Aluminum alloy section folding ladder

Abstract

The utility model relates to an aluminum alloy section folding ladder which comprises a first movable ladder and a second movable ladder, the second movable ladder and the first movable ladder are identical in structure, a pedal is arranged in the first movable ladder, a top plate is arranged at the top of the first movable ladder, a fixing block is arranged on the side edge of the top plate, and a rivet is arranged in the fixing block. A first fixing rod is installed on the inner side of the first movable ladder, an inner shaft is fixedly connected to the side edge of the pedal, an outer ring is arranged on the side surface of the inner shaft, a second fixing rod is installed on the inner side of the second movable ladder, a connecting hole is formed in the second fixing rod, a threaded hole is formed in the first fixing rod, and a first hand-screwing bolt is arranged on the side edge of the second fixing rod. According to the folding ladder, the folding ladder is convenient to fold and easy to use, the folding angle can be adjusted to meet the requirements of various scenes, and the use safety is effectively improved through effective fixation.

Description

Technical Field

[0001] The utility model relates to the technical field of folding ladders, in particular to an aluminum alloy profile folding ladder. Background Art

[0002] The aluminum alloy profile folding ladder is made of high-strength aluminum alloy profile, with the characteristics of light weight and easy to carry. It is widely used in construction sites such as construction sites and factories, and is also used for home installation and maintenance. The utility model patent with application number: CN202022610284.X discloses an aluminum alloy profile folding ladder, including a support frame and a seat plate, the support frame is provided with a plurality of pedals, each of the pedals is also provided with an anti-slip pad, a plurality of handrails are installed on both sides of the support frame, a folding rod is fixedly provided at both ends of the support frame, and a fixing nut is passed through the inside of the folding rod, the seat plate is installed on the top of the support frame, the bottom of the seat plate is provided with a telescopic rod, the telescopic rod is installed on the fixed rod, and the fixed rod is provided with a detachable adjustment bolt; a light bar is provided on the side of the support frame; a plurality of anti-pinch pads are installed on the anti-slip pad; the support frame is made of high-strength aluminum alloy profile. However, the support frame is a V-shaped structure, lacks relevant movable components, and the folding ladder is difficult to fold as a whole. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides an aluminum alloy profile folding ladder, which can be folded for convenience and ease of use, has an adjustable folding angle to meet the needs of various scenes, and is effectively fixed to increase safety in use.

[0004] The utility model adopts a technical solution to solve its technical problems: the aluminum alloy profile folding ladder comprises a first movable ladder and a second movable ladder, the second movable ladder and the first movable ladder have the same structure, a pedal is arranged inside the first movable ladder, a top plate is arranged on the top of the first movable ladder, the second movable ladder is also provided with a pedal and a top plate, a fixing block is arranged on the side of the top plate, a rivet is arranged inside the fixing block, the rivet passes through the internal hole of the fixing block, and the rivet is connected to the inside of the top plate, a first fixing rod is installed on the inside of the first movable ladder, an inner shaft is fixedly connected to the side of the pedal, the inner shaft is connected to the first movable ladder, an outer ring is arranged on the side surface of the inner shaft, the outer ring rotates and moves along the side surface of the inner shaft, the outer ring is connected to the first fixing rod, a second fixing rod is installed on the inside of the second movable ladder, the installation method of the second fixing rod is the same as that of the first fixing rod, a connecting hole is opened inside the second fixing rod, a threaded hole is opened inside the first fixing rod, and there are multiple threaded holes, a first hand-tightening bolt is arranged on the side of the second fixing rod, the first hand-tightening bolt passes through the connecting hole and is screwed The thread is connected to the inside of the threaded hole, an auxiliary ladder is installed at the bottom of the first movable ladder, and an auxiliary ladder is also installed at the bottom of the second movable ladder. The bottom of the auxiliary ladder is installed with an anti-slip rubber sleeve, the folding ladder is carried as a whole to the construction site, the folding ladder is erected and opened, and the tops of the first movable ladder and the second movable ladder are movable by relying on the fixing block and the rivet. After the folding ladder is opened to a suitable angle, the first fixing rod and the second fixing rod are brought together, and the outer rings connected to the first fixing rod and the second fixing rod are rotated along the side surface of the inner shaft, the first fixing rod and the second fixing rod are brought together to make the connecting hole and the threaded hole correspond to each other, the first movable ladder and the second movable ladder are properly adjusted, the first hand-tightening bolt is obtained, the first hand-tightening bolt passes through the connecting hole, the first hand-tightening bolt is threadedly connected to the threaded hole, the first hand-tightening bolt is tightened so that the first fixing rod and the second fixing rod are fixed, the first movable ladder and the second movable ladder are also fixed, the folding ladder is used normally, folding is convenient and easy to use, the folding angle is adjustable to meet the needs of various scenarios, and effective fixation increases safety in use.

[0005] For further improvement, there are two fixing blocks, which are distributed on the left and right sides of the two top plates. There are four rivets in total. The two top plates rely on the fixing blocks and rivets to move, thereby realizing the movement of the first movable ladder and the second movable ladder. The angle adjustment is quick and convenient to operate.

[0006] For further improvement, the top of the top plate is rounded, and the corners of the fixed block are rounded. The rounded corners improve effective protection, reduce corner injuries and increase comfort.

[0007] To further improve, a second hand-tightened bolt is provided on the side of the second fixing rod, and there are two connecting holes. The second hand-tightened bolt passes through the connecting hole and is threadedly connected to the inside of the threaded hole. The second hand-tightened bolt enhances the fixing effect, avoids looseness between the first fixing rod and the second fixing rod, improves the overall stability of the folding ladder, and further increases safety.

[0008] Further improvement, the second hand-tightening bolt and the first hand-tightening bolt have the same structure, the handle positions of the second hand-tightening bolt and the first hand-tightening bolt are set concave and convex, the concave and convex setting of the handle increases the friction between the second hand-tightening bolt and the first hand-tightening bolt during operation, the second hand-tightening bolt and the first hand-tightening bolt have high versatility and can be used interchangeably.

[0009] To further improve, a sleeve is provided at the bottom of the first movable ladder, the column at the bottom of the first movable ladder is sleeved inside the sleeve, the column at the top of the auxiliary ladder is sleeved inside the sleeve, a partition block is fixedly connected inside the sleeve, there are four sleeves, the column at the bottom of the second movable ladder is also sleeved inside the sleeve, the auxiliary ladder is installed at the bottom of the first movable ladder through two sleeves, and the other auxiliary ladder is installed at the bottom of the second movable ladder through two sleeves. The height of the folding ladder is effectively increased to meet the needs of more scenarios, save manpower and improve work efficiency.

[0010] To further improve, a mounting hole is provided on the side of the sleeve, a threaded groove is provided on the side of the first movable ladder, a fixing bolt is provided on the side of the sleeve, the fixing bolt passes through the mounting hole and is threadedly connected to the threaded groove, two fixing bolts are provided on one sleeve, and a threaded groove is also provided on the auxiliary ladder, the fixing bolts pass through the side of the sleeve respectively, and the fixing bolts are respectively connected to the inside of the first movable ladder, the second movable ladder and the auxiliary ladder, and the two auxiliary ladders are further fixed to prevent the two auxiliary ladders from falling off from the bottom of the first movable ladder and the second movable ladder.

[0011] To further improve, the top of the anti-slip rubber sleeve is provided with an inner groove, and the bottom of the auxiliary ladder is plugged into the inner groove, and is installed by direct plugging, which is simple to operate and saves time, and improves the installation efficiency of the anti-slip rubber sleeve.

[0012] The beneficial effects of the utility model are:

[0013] 1. By carrying the folding ladder as a whole to the construction site, the folding ladder is erected and opened, and the tops of the first movable ladder and the second movable ladder are moved by means of the fixing block and the rivet. After the folding ladder is opened to a suitable angle, the first fixing rod and the second fixing rod are brought together, and the outer rings connected to the first fixing rod and the second fixing rod are rotated along the side surface of the inner shaft. The first fixing rod and the second fixing rod are brought together so that the connecting hole and the threaded hole correspond to each other, and the first movable ladder and the second movable ladder are appropriately adjusted, and the first hand-tightening bolt is obtained, and the first hand-tightening bolt passes through the connecting hole, and the first hand-tightening bolt is threadedly connected with the threaded hole. The first hand-tightening bolt is tightened so that the first fixing rod and the second fixing rod are fixed, and the first movable ladder and the second movable ladder are also fixed. The folding ladder is used normally, and it is convenient and easy to use to fold. The folding angle is adjustable to meet the needs of various scenarios, and effective fixation increases safety in use.

[0014] 2. The fixing effect is enhanced by the second hand-tightening bolt to prevent loosening between the first fixing rod and the second fixing rod, thereby improving the overall stability of the folding ladder and further increasing safety. The concave and convex setting of the handle increases the friction between the second hand-tightening bolt and the first hand-tightening bolt during operation. The second hand-tightening bolt and the first hand-tightening bolt have high versatility and can be used interchangeably.

[0015] 3. The auxiliary ladder is installed at the bottom of the first movable ladder through two sleeves, and the other auxiliary ladder is installed at the bottom of the second movable ladder through two sleeves. The height of the folding ladder is effectively increased to meet the needs of more scenarios, save manpower and improve work efficiency. The fixing bolts pass through the sides of the sleeves respectively, and the fixing bolts are respectively connected to the inside of the first movable ladder, the second movable ladder and the auxiliary ladder. The two auxiliary ladders are further fixed to prevent the two auxiliary ladders from falling off from the bottom of the first movable ladder and the second movable ladder. The installation is carried out by direct plug-in, which is simple to operate and saves time, and improves the installation efficiency of the anti-slip rubber sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 For the utility model Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 This is a first-hand bolt tightening activity demonstration diagram of the utility model;

[0020] Figure 5 For the utility model Figure 1 Enlarged view of point C in the middle;

[0021] Figure 6 This is a diagram showing the activities of the fixing bolts of the utility model;

[0022] Figure 7 For the utility model Figure 1 Enlarged view of point D in the middle.

[0023] Explanation of the reference numerals: 1. first movable ladder; 2. second movable ladder; 3. pedal; 4. top plate; 5. fixing block; 6. rivet; 7. first fixing rod; 8. inner shaft; 9. outer ring; 10. second fixing rod; 11. connecting hole; 12. threaded hole; 13. first hand-tightening bolt; 14. auxiliary ladder; 15. anti-slip rubber sleeve; 16. second hand-tightening bolt; 17. sleeve; 18. partition block; 19. mounting hole; 20. threaded groove; 21. fixing bolt; 22. inner groove. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-7 This embodiment is further described:

[0025] like Figure 1-7 As shown: In this embodiment, an aluminum alloy profile folding ladder comprises a first movable ladder 1 and a second movable ladder 2. The second movable ladder 2 has the same structure as the first movable ladder 1. A pedal 3 is arranged inside the first movable ladder 1, and a top plate 4 is arranged on the top of the first movable ladder 1. The second movable ladder 2 is also provided with a pedal 3 and a top plate 4. A fixing block 5 is arranged on the side of the top plate 4. A rivet 6 is arranged inside the fixing block 5. The rivet 6 passes through the internal hole of the fixing block 5 and is connected to the inside of the top plate 4. A first fixing rod 7 is installed on the inside of the first movable ladder 1. An inner shaft 8 is fixedly connected to the side of the pedal 3. The inner shaft 8 is connected to the first movable ladder 1. An outer ring 9 is arranged on the side surface of the inner shaft 8. The outer ring 9 rotates along the side surface of the inner shaft 8. The outer ring 9 is connected to the first fixing rod 7. A second fixing rod 10 is installed on the inside of the ladder 2. The installation method of the second fixing rod 10 is the same as that of the first fixing rod 7. A connecting hole 11 is opened inside the second fixing rod 10. A threaded hole 12 is opened inside the first fixing rod 7. There are multiple threaded holes 12. A first hand-tightening bolt 13 is arranged on the side of the second fixing rod 10. The first hand-tightening bolt 13 passes through the connecting hole 11 and is threadedly connected to the inside of the threaded hole 12. A secondary ladder 14 is installed at the bottom of the first movable ladder 1. A secondary ladder 14 is also installed at the bottom of the second movable ladder 2. An anti-slip rubber sleeve 15 is installed at the bottom of the secondary ladder 14. There are two fixing blocks 5, which are distributed on the left and right sides of the two top plates 4. There are four rivets 6 in total. The top of the top plate 4 is rounded, and the corners of the fixing blocks 5 are rounded.

[0026] like Figure 3-4 As shown: a second hand-tightening bolt 16 is arranged on the side of the second fixing rod 10, and there are two connecting holes 11. The second hand-tightening bolt 16 passes through the connecting hole 11 and is threadedly connected to the inside of the threaded hole 12. The second hand-tightening bolt 16 has the same structure as the first hand-tightening bolt 13, and the handle positions of the second hand-tightening bolt 16 and the first hand-tightening bolt 13 are arranged in concave and convex manner.

[0027] like Figure 1 , Figure 5 , Figure 6 and Figure 7As shown: a sleeve 17 is provided at the bottom of the first movable ladder 1, a column at the bottom of the first movable ladder 1 is sleeved inside the sleeve 17, a column at the top of the auxiliary ladder 14 is sleeved inside the sleeve 17, a partition block 18 is fixedly connected inside the sleeve 17, there are four sleeves 17, a column at the bottom of the second movable ladder 2 is also sleeved inside the sleeve 17, a mounting hole 19 is provided on the side of the sleeve 17, a threaded groove 20 is provided on the side of the first movable ladder 1, a fixing bolt 21 is provided on the side of the sleeve 17, the fixing bolt 21 passes through the mounting hole 19 and is threadedly connected with the threaded groove 20, one sleeve 17 is provided with two fixing bolts 21, the auxiliary ladder 14 is also provided with a threaded groove 20, an inner groove 22 is provided on the top of the anti-slip rubber sleeve 15, and the bottom of the auxiliary ladder 14 is inserted into the inner groove 22.

[0028] When the utility model is in use, the folding ladder is carried to the construction site as a whole, the folding ladder is laid down first, four sleeves 17 are obtained, and the four sleeves 17 are respectively sleeved with the bottom of the first movable ladder 1 and the second movable ladder 2, two auxiliary ladders 14 are obtained, and the two auxiliary ladders 14 are respectively sleeved with the four sleeves 17, a plurality of fixing bolts 21 are obtained, and the plurality of fixing bolts 21 pass through the mounting holes 19 of the sleeves 17 respectively, and the fixing bolts 21 are respectively connected to the threaded grooves 20 of the first movable ladder 1, the second movable ladder 2 and the auxiliary ladder 14, and the two auxiliary ladders 14 are installed and fixed, a plurality of anti-skid rubber sleeves 15 are obtained, and the inner grooves 22 provided with the anti-skid rubber sleeves 15 are mutually plugged with the bottom of the auxiliary ladder 14 to realize the installation of the anti-skid rubber sleeves 15, and the folding ladder is erected and opened, and the tops of the first movable ladder 1 and the second movable ladder 2 are movable by relying on the fixing blocks 5 and the rivets 6. After the folding ladder is opened to a suitable angle, the first fixing rod 7 and the second fixing rod 10 are brought together, and the first The outer rings 9 connected to the fixing rod 7 and the second fixing rod 10 are respectively rotatable along the side surface of the inner shaft 8, and the first fixing rod 7 and the second fixing rod 10 are brought together so that the connecting hole 11 and the threaded hole 12 correspond to each other. The first movable ladder 1 and the second movable ladder 2 are appropriately adjusted, and the first hand-tightening bolt 13 is obtained. The first hand-tightening bolt 13 passes through the connecting hole 11, and the first hand-tightening bolt 13 is threadedly connected with the threaded hole 12. The first hand-tightening bolt 13 is tightened so that the first fixing rod 7 and the second fixing rod 10 are fixed, and the first movable ladder 1 and the second movable ladder 2 are also fixed. The folding ladder is used normally, and it is convenient and easy to use to fold. The folding angle is adjustable to meet the needs of various scenarios. Effective fixation increases safety in use. In order to enhance the fixing effect, the second hand-tightening bolt 16 is obtained, and the second hand-tightening bolt 16 passes through the connecting hole 11 and is threadedly connected to the inside of the threaded hole 12 to avoid loosening between the first fixing rod 7 and the second fixing rod 10, thereby improving the overall stability of the folding ladder.

[0029] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An aluminum alloy profile folding ladder, comprising a first movable ladder (1) and a second movable ladder (2), characterized in that: The second stepladder (2) and the first stepladder (1) have the same structure. A pedal (3) is arranged inside the first stepladder (1). A top plate (4) is arranged on the top of the first stepladder (1). The second stepladder (2) is also provided with a pedal (3) and a top plate (4). A fixing block (5) is arranged on the side of the top plate (4). A rivet (6) is arranged inside the fixing block (5). The rivet (6) passes through the internal hole of the fixing block (5). The rivet (6) is connected to the inside of the top plate (4). A first fixing rod (7) is installed on the inside of the first stepladder (1). An inner shaft (8) is fixedly connected to the side of the pedal (3). The inner shaft (8) is connected to the first stepladder (1). An outer ring (9) is arranged on the side surface of the inner shaft (8). The outer ring (9) rotates along the side surface of the inner shaft (8). The outer ring (9) is connected to the first fixing rod (7), a second fixing rod (10) is installed on the inner side of the second movable ladder (2), the installation method of the second fixing rod (10) is the same as the installation method of the first fixing rod (7), a connecting hole (11) is opened inside the second fixing rod (10), a threaded hole (12) is opened inside the first fixing rod (7), there are a plurality of threaded holes (12), a first hand-tightening bolt (13) is arranged on the side of the second fixing rod (10), the first hand-tightening bolt (13) passes through the connecting hole (11) and is threadedly connected to the inside of the threaded hole (12), a secondary ladder (14) is installed at the bottom of the first movable ladder (1), and a secondary ladder (14) is also installed at the bottom of the second movable ladder (2), and a non-slip rubber sleeve (15) is installed at the bottom of the secondary ladder (14).

2. The aluminum alloy profile folding ladder according to claim 1 is characterized in that: There are two fixing blocks (5), which are distributed on the left and right sides of the two top plates (4), and there are four rivets (6) in total.

3. The aluminum alloy profile folding ladder according to claim 1 is characterized in that: The top of the top plate (4) is rounded, and the corners of the fixing block (5) are rounded.

4. The aluminum alloy profile folding ladder according to claim 1 is characterized in that: A second hand-tightening bolt (16) is arranged on the side of the second fixing rod (10), and there are two connecting holes (11). The second hand-tightening bolt (16) passes through the connecting hole (11) and is threadedly connected to the inside of the threaded hole (12).

5. The aluminum alloy profile folding ladder according to claim 4 is characterized in that: The second hand-tightening bolt (16) and the first hand-tightening bolt (13) have the same structure, and the handle positions of the second hand-tightening bolt (16) and the first hand-tightening bolt (13) are arranged in concave and convex configurations.

6. The aluminum alloy profile folding ladder according to claim 1 is characterized in that: A sleeve (17) is provided at the bottom of the first movable ladder (1), a column at the bottom of the first movable ladder (1) is sleeved inside the sleeve (17), a column at the top of the auxiliary ladder (14) is sleeved inside the sleeve (17), a partition block (18) is fixedly connected inside the sleeve (17), there are four sleeves (17), and a column at the bottom of the second movable ladder (2) is also sleeved inside the sleeve (17).

7. The aluminum alloy profile folding ladder according to claim 6 is characterized in that: The sleeve (17) has a mounting hole (19) on its side, the first movable ladder (1) has a threaded groove (20) on its side, the sleeve (17) has a fixing bolt (21) on its side, the fixing bolt (21) passes through the mounting hole (19) and is threadedly connected to the threaded groove (20), one sleeve (17) is provided with two fixing bolts (21), and the auxiliary ladder (14) also has a threaded groove (20).

8. The aluminum alloy profile folding ladder according to claim 1 is characterized in that: The top of the anti-slip rubber sleeve (15) is provided with an inner groove (22), and the bottom of the auxiliary ladder (14) is inserted into the inner groove (22).

Images