Folding aluminum alloy ladder stand

Abstract

The utility model discloses a folding aluminum alloy ladder stand, which comprises a first ladder assembly, a second ladder assembly, a hook and a top block, the second ladder assembly is arranged on one side of the first ladder assembly, one end of the top of the second ladder assembly is rotatably connected with the top of the first ladder assembly, and a third ladder assembly is arranged on one side of the second ladder assembly. The folding ladder can be placed on the ground for use by separating the first ladder assembly from the second ladder assembly, and the hook on one side of the top of the first ladder assembly is rotated outwards to be opened, so that the folding ladder can be fixed through the hook at one end of the top and further fixed on a windowsill through the hook; and the escape device can be suitable for escape in lower floors in case of emergencies such as fire disasters and the like.

Description

Technical Field

[0001] This utility model relates to the field of foldable aluminum alloy ladder technology, specifically a foldable aluminum alloy ladder. Background Technology

[0002] Aluminum alloy ladders are made of high-strength aluminum alloy material, featuring light weight and high strength. A search revealed a new type of adjustable and foldable aluminum alloy ladder disclosed in Chinese Patent Publication No. CN211573349U. Although this adjustable and foldable aluminum alloy ladder increases its flexibility and practicality by changing the overall structure into a lower ladder body, a middle ladder body, and an upper ladder body, allowing the entire structure to be folded and adjusted in height, it has limitations in use. It can only be placed on the ground and cannot be used under various conditions. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a foldable aluminum alloy ladder, which solves the problem mentioned in the background art that existing ladders have limited use and can only be placed on the ground.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a folding aluminum alloy ladder, comprising a first ladder frame, a second ladder frame, hooks, and a top block. A second ladder frame is provided on one side of the first ladder frame, and one top end of the second ladder frame is rotatably connected to the top of the first ladder frame. A third ladder frame is provided on one side of the second ladder frame. The first ladder frame is connected to the second ladder frame on both sides by two connecting rods, with adjacent connecting rods rotatably connected to each other. One end of each connecting rod is rotatably connected to the first ladder frame, and the other end is rotatably connected to the second ladder frame. One top end of the first ladder frame is rotatably connected to two hooks. A top block is provided at one bottom end of the first ladder frame, and one side of the top block is welded to the first ladder frame.

[0005] Preferably, a slot is provided on one side of the top of the first ladder frame, and the hook is inserted into the slot by rotational engagement. The hook has an L-shaped structure, wherein the lower end of the top end of the hook is rotatably connected to the first ladder frame and is rotatably connected to the nut by a through bolt.

[0006] Preferably, the second ladder frame has sliding grooves on both sides, and the inside of the sliding grooves is slidably connected to rollers. The rollers are rotatably connected to one end of the connecting block, and the other end of the connecting block is welded to the sliding ladder frame. By sliding, the sliding ladder frame can slide and extend along the surface of the second ladder frame.

[0007] Preferably, the bottom end of the sliding ladder frame is provided with two pins, which are threaded to the bottom of the sliding ladder frame, and the other end of the pin is inserted into the second ladder frame. The pins help to fix the sliding frame to one side of the second ladder frame.

[0008] Preferably, the surface of the second ladder frame slides in contact with the surface of the sliding ladder frame, and the sliding ladder frame has the same length as the second ladder frame, so that the two ends of the sliding ladder frame can maintain alignment with the second ladder frame when retracted, which is aesthetically pleasing and easy to store.

[0009] This utility model provides a foldable aluminum alloy ladder. It has the following beneficial effects:

[0010] (1) The folding aluminum alloy ladder, when in use, the first ladder frame and the second ladder frame are separated from each other, so that the folding ladder can be placed on the ground. The hook on the top side of the first ladder frame is turned outward to open, so that the folding ladder can be fixed by the hook at the top end, and then fixed to the windowsill by the hook. It can be used for escape from lower floors in case of fire or other emergencies.

[0011] (2) When the folding aluminum alloy ladder is fixed by the hook on the top side of the first ladder frame, the sliding ladder frame can slide by rotating the pin at the bottom of the sliding ladder frame through the rollers on both sides, thereby extending the length of the folding ladder and improving its practicality.

[0012] This solves the problem that existing ladders are limited in use and can only be placed on the ground. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the telescopic sliding ladder frame of this utility model;

[0015] Figure 3 This is a schematic diagram of the sliding ladder frame structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the second ladder structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the first ladder frame structure of this utility model.

[0018] In the diagram, 1 is the first ladder; 2 is the second ladder; 3 is the sliding ladder; 4 is the hook; 5 is the connecting rod; 6 is the pin; 7 is the top block; 8 is the connecting block; and 9 is the roller. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] Please see Figure 1-5 This utility model provides a technical solution: a folding aluminum alloy ladder, including a first ladder frame 1, a second ladder frame 2, hooks 4, and a top block 7. The second ladder frame 2 is located on one side of the first ladder frame 1, and one end of the top of the second ladder frame 2 is rotatably connected to the top of the first ladder frame 1. A third ladder frame is located on one side of the second ladder frame 2. The first ladder frame 1 is connected to the second ladder frame 2 on both sides by two connecting rods 5, and adjacent connecting rods 5 are rotatably connected to each other. One end of the connecting rod 5 is rotatably connected to the first ladder frame 1, and the other end is rotatably connected to the second ladder frame 2. One end of the top of the first ladder frame 1 is rotatably connected to the hooks 4. Two hooks 4 are provided. A top block 7 is provided at one end of the bottom of the ladder frame 1, and one side of the top block 7 is welded to the first ladder frame 1. A slot is provided on one side of the top of the first ladder frame 1, and the hook 4 is inserted into the slot by rotation. The hook 4 has an L-shaped structure. When the folding ladder is in use, the first ladder frame 1 and the second ladder frame 2 are separated from each other, so that the folding ladder can be placed on the ground. By rotating the hook 4 on the top side of the first ladder frame 1 outward, the folding ladder can be fixed by the hook 4 at the top end, and then fixed to the windowsill by the hook 4. It can be used for escape from lower floors in case of fire or other emergencies.

[0022] Example 2:

[0023] This utility model provides a technical solution: a folding aluminum alloy ladder, wherein the second ladder frame 2 has sliding grooves on both sides, and the inside of the sliding grooves is slidably connected to rollers 9. The rollers 9 are rotatably connected to one end of the connecting block 8, and the other end of the connecting block 8 is welded to the sliding ladder frame 3. Two pins 6 are provided at one bottom end of the sliding ladder frame 3, and the pins 6 are threadedly connected to the bottom of the sliding ladder frame 3. The other end of the pins 6 is inserted into the inside of the second ladder frame 2. The surface of the second ladder frame 2 and the surface of the sliding ladder frame 3 are in sliding contact, and the sliding ladder frame 3 and the second ladder frame 2 are of the same length. When the folding ladder is fixed by the hook 4 on one side of the top of the first ladder frame 1, by rotating the pins 6 at one bottom end of the sliding ladder frame 3, the sliding ladder frame 3 can slide through the rollers 9 on both sides, thereby allowing the sliding ladder frame 3 to extend downward, thus extending the length of the folding ladder and further improving the practicality of the folding ladder.

[0024] Working principle: This folding ladder is designed for ground placement and emergency escape. It unfolds by separating the first ladder frame 1 and the second ladder frame 2. In emergencies, such as fire, the user can rotate the hook 4 on the top side of the first ladder frame 1 outward to open it and fix the ladder to the windowsill through the hook 4, which can meet the escape needs of low-rise buildings. To enhance the practicality of the ladder, the design includes a sliding ladder frame 3, which has a rotatable pin 6 at one end. By operating the pin 6, the sliding ladder frame 3 can slide along the rollers 9 on both sides and extend and retract downward, thereby extending the length of the ladder and improving its range of use and flexibility.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A folding aluminum alloy ladder, characterized in that: It includes a first ladder (1), a second ladder (2), a hook (4) and a top block (7). The second ladder (2) is provided on one side of the first ladder (1). The top end of the second ladder (2) is rotatably connected to the top of the first ladder (1). The third ladder is provided on one side of the second ladder (2). The two sides of the first ladder (1) are respectively connected to the second ladder (2) by two connecting rods (5), and the two adjacent connecting rods (5) are rotatably connected to each other. One end of the connecting rod (5) is rotatably connected to the first ladder (1), and the other end of the connecting rod (5) is rotatably connected to the second ladder (2). The top end of the first ladder (1) is rotatably connected to the hook (4). There are two hooks (4). The bottom end of the first ladder (1) is provided with a top block (7). One side of the top block (7) is welded to the first ladder (1).

2. The folding aluminum alloy ladder according to claim 1, characterized in that: The first ladder (1) has a slot on one side of its top, and the hook (4) is fitted into the slot by rotation. The hook (4) has an L-shaped structure.

3. The folding aluminum alloy ladder according to claim 1, characterized in that: The second ladder frame (2) has sliding grooves on both sides, and the inside of the sliding grooves is slidably connected to the rollers (9). The rollers (9) are rotatably connected to one end of the connecting block (8), and the other end of the connecting block (8) is welded to the sliding ladder frame (3).

4. The folding aluminum alloy ladder according to claim 3, characterized in that: Two pins (6) are provided at one end of the bottom of the sliding ladder frame (3). The pins (6) are threaded to the bottom of the sliding ladder frame (3), and the other end of the pins (6) is inserted into the second ladder frame (2).

5. A folding aluminum alloy ladder according to claim 1, characterized in that: The surface of the second ladder (2) slides in contact with the surface of the sliding ladder (3), and the lengths of the sliding ladder (3) and the second ladder (2) are the same.

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