Portable aluminum ladder convenient to use

Abstract

The utility model belongs to the technical field of climbing tools, and particularly discloses a portable aluminum ladder convenient to use, which comprises a ladder body, a first base is rotatably connected to the bottom of the ladder body, two symmetrical fixing columns are fixedly connected to the inner wall of the ladder body, a power column is rotatably connected between the two fixing columns, and a second base is fixedly connected to the inner wall of the ladder body. According to the portable aluminum ladder convenient to use, a worker enables the rolling wheels to make contact with the ground and pushes the ladder body at the same time, the rolling wheels can drive the ladder body to move in the sliding process, meanwhile, the ladder body can be conveniently moved, and meanwhile, the ladder body can be conveniently moved. The rolling wheels make contact with the ground, the springs are stressed, compressed and reset, the rolling wheels can be stressed less through acting force generated by the springs, jolt generated in the rolling wheel moving process is reduced, moving is smoother, and a worker can carry the ladder body more conveniently, rapidly and easily to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of climbing tools, in particular to a portable and easy-to-use aluminum ladder. Background Technique

[0002] Ladders are commonly used in daily production and life for assisting in climbing and ascending. There are mainly straight ladders and foldable ladders. Although straight ladders have low production costs, they are not adjustable and not convenient to carry. Although foldable ladders have good stability and some are height-adjustable to a certain extent, they are large in size and long in vertical length and also not convenient to carry. The space in common transportation vehicles is limited. When carrying straight ladders and foldable ladders, the trunk door usually needs to be opened, and the carrying safety is poor.

[0003] After retrieval, it is known that the published patent: CN219158891U, discloses a portable ladder, including a first ladder body and a second ladder body. The first ladder body is axially inserted into the second ladder body with adjustable height up and down. The first ladder body includes two first vertical rods arranged in parallel at intervals, and at least one first pedal is connected between the two first vertical rods. The second ladder body includes two second vertical rods arranged in parallel at intervals, and at least one second pedal is connected between the two second vertical rods. The utility model has reasonable structure, is convenient to carry, and is convenient and flexible to use.

[0004] However, the following problems will still occur during the use of this solution: Since this device shortens the length of the ladder and reduces its volume by compressing the distance between the first ladder body and the second ladder body and then putting it into a storage tool such as the trunk of a car for storage, transportation, and handling, when handling over short distances and in an environment where the car is not convenient to drive, the staff needs to carry it by hand or on the shoulder. However, the ladder itself is generally quite heavy, and carrying it by hand will increase the labor intensity of the staff. In view of the above situation, technical innovation is carried out on the basis of the existing device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a portable and easy-to-use aluminum ladder to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A portable and easy-to-use aluminum ladder, including a ladder body. The bottom of the ladder body is rotatably connected to a first base. Two symmetric fixed columns are fixedly connected to the inner wall of the ladder body. A power column is rotatably connected between the two fixed columns. A power groove is opened inside the power column. A power rod is slidably connected inside the power groove. Both ends of the power rod are fixedly connected to a C-shaped frame. The cross-section of the C-shaped frame is C-shaped. The bottom of the C-shaped frame is rotatably connected to a second base. A steel wire rope is arranged between the second base and the first base. One side of the ladder body is fixedly connected to a transmission frame. A rotation groove is opened inside the transmission frame. A transmission adjustment device is arranged inside the rotation groove.

[0007] Preferably, the transmission adjustment device includes a first threaded rod, which is rotatably connected to the inside of the rotating groove, and the top of the first threaded rod rotates through the top of the transmission frame and extends to the outside of the transmission frame. The outer surface of the first threaded rod is provided with a thread, and the outer surface of the first threaded rod is threadedly connected to a slider, which is slidably connected to the inside of the rotating groove, one side of the slider is rotatably connected to the rotating rod, and the end of the rotating rod away from the slider is rotatably connected to a support frame, and the interior of the support frame is a hollow structure.

[0008] Preferably, a transmission block is fixedly connected to the inner wall of the support frame, and there are two transmission blocks, and transmission grooves are provided inside the two transmission blocks.

[0009] Preferably, the interiors of the two transmission grooves are slidably connected with transmission rods extending to the outside thereof, and a roller is arranged between the two transmission rods.

[0010] Preferably, one end of the transmission rod is fixedly connected to a spring, and one end of the spring away from the transmission rod is fixedly connected to the inner wall of the transmission groove.

[0011] Preferably, the inner wall of the rotating groove is fixedly connected to a limit frame, a limit groove is provided inside the limit frame, and a limit block extending to the outside of the limit groove is slidably connected inside the limit groove.

[0012] Preferably, one side of the limit block is fixedly connected to the support frame.

[0013] Preferably, the power slot is internally rotatably connected to a second threaded rod, the outer surface of the second threaded rod is provided with threads, the second threaded rod is connected to the internal threads of the power rod, and the top of the second threaded rod rotates through the top of the power column and extends to the outside of the power column.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. This portable and easy-to-use aluminum ladder can make the roller contact with the ground and push the ladder body at the same time, so that the ladder body can be moved during the sliding process of the roller. At the same time, the spring is stressed and compressed and reset through the contact between the roller and the ground. The force generated by the spring can reduce the force on the roller and reduce the bumps caused during the movement of the roller, making the movement smoother. To a certain extent, it can make the staff carry the ladder body more convenient and easy, and reduce the staff's strength.

[0016] 2. The portable and easy-to-use aluminum ladder can drive the U-shaped frame to drive the second base to adjust according to the inclination angle of the ladder body and contact the ground by rotating the second threaded rod, so as to enhance the stability of the ladder body. To a certain extent, the applicable range of the second base is expanded, enabling it to be adjusted according to different inclination angles of the ladder body and contact the ground for fixation. The ladder body is connected and tightened with the first base through a steel wire rope to increase the stability of the ladder body, reducing the occurrence of dangerous situations such as tilting, sliding, and unstable fixation during the use of the ladder body, which may cause injuries to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 1 is a schematic structural diagram of a portable and easy-to-use aluminum ladder of the present invention;

[0018] Figure 2 FIG. 2 is a schematic structural diagram of a rotating groove of the present invention;

[0019] Figure 3 FIG. 3 is a schematic structural diagram of a spring of the present invention;

[0020] Figure 4 FIG. 4 is a schematic structural diagram of a power groove of the present invention.

[0021] In the figures: 1, ladder body; 2, first base; 3, fixed column; 4, power column; 5, U-shaped frame; 6, second base; 7, transmission frame; 8, power rod; 9, second threaded rod; 10, roller; 11, power groove; 12, transmission rod; 13, support frame; 14, connecting plate; 15, spring; 16, transmission groove; 17, limit block; 18, limit frame; 19, limit groove; 20, rotating rod; 21, slider; 22, first threaded rod; 23, rotating groove; 24, transmission block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figure 1-4, the present utility model provides a technical solution: a portable and easy-to-use aluminum ladder, including a ladder body 1. The ladder body 1 is a conventional structure and will not be elaborated here. For reference, please refer to the published patent: CN219158891U. A first base 2 is rotatably connected to the bottom of the ladder body 1. Two symmetrical fixing columns 3 are fixedly connected to the inner wall of the ladder body 1. A power column 4 is rotatably connected between the two fixing columns 3. A power groove 11 is formed inside the power column 4. A power rod 8 is slidably connected to the inside of the power groove 11. Both ends of the power rod 8 are fixedly connected with a C-shaped frame 5. The cross-section of the C-shaped frame 5 is in the shape of a C. A second base 6 is rotatably connected to the bottom of the C-shaped frame 5. A steel wire rope is arranged between the second base 6 and the first base 2. When a worker uses the ladder for construction, by making the first base 2 and the second base 6 contact the ground to increase the contact area, and by using the steel wire rope to restrain and tighten the first base 2 and the second base 6, the stability of the ladder can be enhanced, and the situation of the ladder body 1 tilting can be reduced. A transmission frame 7 is fixedly connected to one side of the ladder body 1. A rotation groove 23 is formed inside the transmission frame 7. A transmission adjustment device is arranged inside the rotation groove 23.

[0023] Further, the transmission adjustment device includes a first threaded rod 22. The first threaded rod 22 is rotatably connected to the inside of the rotation groove 23. The top of the first threaded rod 22 rotatably penetrates through the top of the transmission frame 7 and extends to the outside of the transmission frame 7. Threads are provided on the outer surface of the first threaded rod 22. A slider 21 is threadedly connected to the outer surface of the first threaded rod 22. The slider 21 is slidably connected to the inside of the rotation groove 23. There are multiple sliders 21. One side of the slider 21 is rotatably connected to a rotation rod 20. The end of the rotation rod 20 away from the slider 21 is rotatably connected to a support frame 13. The inside of the support frame 13 is a hollow structure. There are multiple support frames 13. The multiple support frames 13 are fixedly connected by a connecting plate 14.

[0024] Further, a transmission block 24 is fixedly connected to the inner wall of the support frame 13. There are two transmission blocks 24. Transmission grooves 16 are formed inside both of the two transmission blocks 24.

[0025] Further, transmission rods 12 extending to the outside of them are slidably connected to the inside of both of the two transmission grooves 16. A roller 10 is arranged between the two transmission rods 12.

[0026] Further, springs 15 are fixedly connected to one ends of the transmission rods 12 respectively. The ends of the springs 15 away from the transmission rods 12 are fixedly connected to the inner walls of the transmission grooves 16. By making the transmission rods 12 slide, the springs 15 can be compressed and reset.

[0027] Furthermore, a limiting frame 18 is fixedly connected to the inner wall of the rotating groove 23. The number of the limiting frames 18 is multiple. A limiting groove 19 is formed inside the limiting frame 18. A limiting block 17 extending outside the limiting groove 19 is slidably connected inside the limiting groove 19.

[0028] Furthermore, one side of the limiting block 17 is fixedly connected to the support frame 13. By sliding the limiting block 17 inside the limiting groove 19, the support frame 13 can be limited and made to slide more smoothly.

[0029] The staff rotates the first threaded rod 22, which can drive the slider 21 to move up and down. The slider 21 can drive the support frame 13 to slide out of and into the rotating groove 23 through the rotating rod 20 for storage. By sliding the limiting block 17 inside the limiting groove 19, the support frame 13 can be limited and made to slide smoothly and stably. Then, the staff makes the rollers 10 contact the ground and simultaneously pushes the ladder body 1, so that the rollers can drive the ladder body 1 to move during the sliding process. At the same time, when the rollers 10 contact the ground, the spring 15 is stressed and compressed and reset. The acting force generated by the spring 15 can make the rollers receive less impact during the movement, making the movement smoother. To a certain extent, it can make the handling of the ladder body 1 by the staff more convenient and easier, reducing the staff's intensity.

[0030] Furthermore, a second threaded rod 9 is rotatably connected inside the power groove 11. Threads are provided on the outer surface of the second threaded rod 9. The second threaded rod 9 is threadedly connected to the inside of the power rod 8. The top of the second threaded rod 9 rotatably penetrates the top of the power column 4 and extends outside the power column 4.

[0031] The staff rotates the second threaded rod 9, which can drive the power rod 8 to move up and down. The power rod 8 drives the U-shaped frame 5 to move up and down. The U-shaped frame 5 drives the second base 6 to move up and down. By rotating the second threaded rod 9, the U-shaped frame 5 can drive the second base 6 to be adjusted according to the inclination angle of the ladder body 1 and contact the ground to enhance the stability of the ladder body 1. To a certain extent, the applicable range of the second base 6 is expanded, enabling it to be adjusted according to different inclination angles of the ladder body 1 and contact the ground for fixation. It is connected and tightened to the first base 2 through a steel wire rope to increase the stability of the ladder body 1, reducing the occurrence of dangerous situations such as the ladder body 1 tilting, sliding, and being fixed unstably during use, which may cause injuries to the staff.

[0032] Working principle: For a portable and easy-to-use aluminum ladder of this type, first, the staff rotates the first threaded rod 22, which can drive the slider 21 to move up and down. The slider 21 can drive the support frame 13 to slide out of the rotation groove 23 and slide into the inside of the rotation groove 23 for storage through the rotating rod 20. By sliding the limit block 17 inside the limit groove 19, the support frame 13 can be limited. Then, the staff makes the rollers 10 contact the ground and simultaneously pushes the ladder body 1, so that the rollers can drive the ladder body 1 to move during the sliding process. The staff rotates the second threaded rod 9, which can drive the power rod 8 to move up and down. The power rod 8 drives the U-shaped frame 5 to move up and down. The U-shaped frame 5 drives the second base 6 to move up and down. By rotating the second threaded rod 9, the U-shaped frame 5 can drive the second base 6 to be adjusted according to the inclination angle of the ladder body 1 and contact the ground to enhance the stability of the ladder body 1.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable and easy-to-use aluminum ladder, comprising a ladder body (1), characterized in that: The bottom of the ladder body (1) is rotatably connected to a first base (2). Two symmetric fixing columns (3) are fixedly connected to the inner wall of the ladder body (1). A power column (4) is rotatably connected between the two fixing columns (3). A power groove (11) is formed inside the power column (4). A power rod (8) is slidably connected inside the power groove (11). Two ends of the power rod (8) are fixedly connected to a U-shaped frame (5). The cross-section of the U-shaped frame (5) is U-shaped. The bottom of the U-shaped frame (5) is rotatably connected to a second base (6). A steel wire rope is arranged between the second base (6) and the first base (2). One side of the ladder body (1) is fixedly connected to a transmission frame (7). A rotation groove (23) is formed inside the transmission frame (7). A transmission adjustment device is arranged inside the rotation groove (23).

2. A portable and easy-to-use aluminum ladder according to claim 1, characterized in that: The transmission adjustment device includes a first threaded rod (22). The first threaded rod (22) is rotatably connected to the inside of the rotation groove (23). The top of the first threaded rod (22) rotatably penetrates through the top of the transmission frame (7) and extends to the outside of the transmission frame (7). Threads are arranged on the outer surface of the first threaded rod (22). A slider (21) is threadedly connected to the outer surface of the first threaded rod (22). The slider (21) is slidably connected to the inside of the rotation groove (23). One side of the slider (21) is rotatably connected to a rotation rod (20). The end of the rotation rod (20) away from the slider (21) is rotatably connected to a support frame (13). The inside of the support frame (13) is a hollow structure.

3. A portable and easy-to-use aluminum ladder according to claim 2, characterized in that: A transmission block (24) is fixedly connected to the inner wall of the support frame (13). The number of the transmission blocks (24) is two. Transmission grooves (16) are formed inside both of the two transmission blocks (24).

4. A portable and easy-to-use aluminum ladder according to claim 3, characterized in that: Transmission rods (12) extending to the outside of the transmission grooves (16) are slidably connected to the inside of the two transmission grooves (16). A roller (10) is arranged between the two transmission rods (12).

5. A portable and easy-to-use aluminum ladder according to claim 4, characterized in that: One end of each of the transmission rods (12) is fixedly connected to a spring (15). The end of the spring (15) away from the transmission rod (12) is fixedly connected to the inner wall of the transmission groove (16).

6. A portable and easy-to-use aluminum ladder according to claim 2, characterized in that: A limit frame (18) is fixedly connected to the inner wall of the rotation groove (23). A limit groove (19) is formed inside the limit frame (18). A limit block (17) extending to the outside of the limit groove (19) is slidably connected to the inside of the limit groove (19).

7. A portable and easy-to-use aluminum ladder according to claim 6, characterized in that: One side of the limit block (17) is fixedly connected to the support frame (13).

8. The portable and easy-to-use aluminum ladder according to claim 1 is characterized by: A second threaded rod (9) is rotatably connected to the inside of the power groove (11). Threads are arranged on the outer surface of the second threaded rod (9). The second threaded rod (9) is threadedly connected to the inside of the power rod (8). The top of the second threaded rod (9) rotatably penetrates through the top of the power column (4) and extends to the outside of the power column (4).

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