Multifunctional building hanging ladder

Abstract

The utility model discloses a multifunctional building hanging ladder. The multifunctional building hanging ladder comprises a first ladder assembly and a second ladder assembly, first supporting rods on the two sides of the first ladder frame are connected with second supporting rods on the two sides of the second ladder frame through damping rotating shafts, and the supporting rods are connected through multiple sets of transverse foot bars arranged at equal intervals; the end, away from the damping rotating shaft, of the second ladder frame is movably connected with a third ladder frame used for hanging, and rotating supporting rods are symmetrically arranged on the two sides of the first ladder frame, the two sides of the second ladder frame and the two sides of the third ladder frame. The first ladder assembly and the second ladder assembly are folded and erected to form a herringbone ladder or a straight ladder, meanwhile, the third ladder assembly at the tail end of the second ladder assembly can be vertically folded to form a hanging ladder so as to adapt to different construction requirements in a construction site, the rotating supporting rod can vertically rotate to form a supporting limiting rod, and the supporting limiting rod is convenient to use. The support between the hanging ladder and the wall body is ensured, and the stability of the hanging ladder is ensured.

Description

Technical Field

[0001] This application belongs to the field of ladder technology, specifically relating to a multifunctional building ladder. Background Technology

[0002] With the continuous deepening of urbanization, the urban construction industry is booming, and hanging ladders are often used on construction sites. A hanging ladder is a ladder with hooks at the top. When using it, construction workers attach the hooks to the top of the building to suspend and fix the main body of the ladder to the side of the building. Due to its portability, hanging ladders have been widely used in the construction field.

[0003] For example, patent CN207453853U provides a construction safety ladder with a damping pivot. When the support rod needs to be folded and bent, the support rod is moved, causing the swing rod to drive the pivot to rotate. The control ring controls the limit ring to adjust the angle of the support rod. Once the appropriate bending angle is reached, the locking rod automatically passes through the limit ring to control the control ring, preventing workers from climbing and automatically adjusting, thus effectively improving the ladder's functionality. However, this patent uses a top hook for fixing, which can only be hung on relatively thin walls, limiting its applicability. Furthermore, there is no support rod between the ladder frame and the wall, making it prone to swaying when people climb. Utility Model Content

[0004] This application provides a multifunctional building ladder to solve the above-mentioned technical problems.

[0005] To solve the above-mentioned technical problems, the technical solution adopted in this application is: a multifunctional building ladder, including a first ladder frame and a second ladder frame; the first support rods on both sides of the first ladder frame and the second support rods on both sides of the second ladder frame are connected by a damping pivot, and the support rods are connected by multiple sets of equidistant transverse steps; a third ladder frame for hanging is movably connected to the end of the second ladder frame away from the damping pivot, wherein rotating support rods are symmetrically provided on both sides of the first ladder frame, the second ladder frame and the third ladder frame.

[0006] Furthermore, the ends of the third support rods on both sides of the third ladder are provided with semi-circular inner plates, and the ends of the second support rods are provided with semi-circular outer plates that are inserted into the outer side of the inner plates. The centers of the inner plates and the outer plates are connected by a rotating shaft and fixed by a pin. Limiting plates are provided on both sides of the rotating shaft.

[0007] Furthermore, the thickness of both the inner and outer insert plates is half the thickness of the second support rod.

[0008] Furthermore, the outer insert plate has four through holes at equal angles around the rotating shaft, and the inner insert plate has insertion holes corresponding to the through holes. The pin passes through the through holes and is inserted into the insertion holes.

[0009] Furthermore, the length of the vertical connection between the third support rod and the second support rod is the same as the length of the first support rod; wherein, the ends of the first support rod and the third support rod away from the damping pivot are provided with a first anti-slip pad.

[0010] Furthermore, one end of the rotating support rod is provided with a shaft hole, and the other side of the rotating support rod is provided with a second anti-slip pad; the rotating support rod is sleeved on the threaded post on the outside of the first support rod through the shaft hole and connected by a bolt sleeve.

[0011] Furthermore, a limiting nut is provided at the end of the bolt sleeve furthest from one of the rods.

[0012] The beneficial effects of this application are: by folding and straightening the first and second ladder frames, this application can be combined into an A-frame ladder or a straight ladder. At the same time, the third ladder frame at the end of the second ladder frame can be folded vertically to become a hanging ladder, so as to adapt to different construction needs on the construction site. The rotating support rod can rotate vertically to form a support limit rod, ensuring the support of the hanging ladder to the wall and ensuring the stability of the hanging ladder. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of an embodiment of the multifunctional building ladder of this application;

[0014] Figure 2 This is a schematic diagram of another embodiment of the multifunctional building ladder of this application;

[0015] Figure 3 This is a schematic diagram of the structure of yet another embodiment of the multifunctional building ladder of this application;

[0016] Figure 4 yes Figure 1 A schematic diagram of the structure of an embodiment of the third ladder frame;

[0017] Figure 5 yes Figure 5 A cross-sectional structural schematic diagram of an embodiment of the third ladder frame;

[0018] Figure 6 yes Figure 1 A schematic diagram of the structure of an embodiment of the rotating support rod;

[0019] Figure 7 yes Figure 6 A schematic diagram of the structure of region A in the diagram. Detailed Implementation

[0020] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0021] like Figure 1-7As shown, this application provides a multifunctional building hanging ladder, including a first ladder frame 1 and a second ladder frame 2. First support rods 11 on both sides of the first ladder frame 1 and second support rods 21 on both sides of the second ladder frame 2 are connected by damping pivots 4. The support rods are connected by multiple sets of equidistant transverse steps 12. A third ladder frame 3 for hanging is movably connected to the end of the second ladder frame 2 away from the damping pivots 4. Rotating support rods 5 are symmetrically arranged on both sides of the first ladder frame 1, the second ladder frame 2, and the third ladder frame 3. In the above design, the first support rods 11 and the second ladder frame 2 can be folded into an A-frame shape via the damping pivots 4, thus serving as an A-frame ladder. The first support rods 11 and the second ladder frame 2 can also be vertically connected, serving as a straight ladder. Simultaneously, the third ladder frame 3 can be vertically connected to the second ladder frame 2, thus serving as a hanging ladder, adapting to more construction environments.

[0022] The third support rods 31 on both sides of the third ladder frame 3 are provided with semi-circular inner insert plates 32 at their ends, and the second support rod 21 is provided with semi-circular outer insert plates 22 inserted into the outer side of the inner insert plates 32 at its end. The centers of the inner insert plates 32 and the outer insert plates 22 are connected by a rotating shaft 7 and fixed by a pin 6. The rotating shaft 7 is provided with limiting plates 71 on both sides. In the above design, the inner insert plates 32 and the outer insert plates can be rotated by the rotating shaft 7, so that the third ladder frame 3 is vertically or vertically connected to the second ladder frame 2 to form a hanging ladder or a straight ladder.

[0023] The thickness of both the inner insert plate 32 and the outer insert plate 22 is half the thickness of the second support rod 21. This design ensures that when the inner insert plate 32 and the outer insert plate 22 are fitted together, their thicknesses are the same as those of the second support rod 21. Furthermore, the second support rod 21, the third support rod 31, and the first support rod 11 all have the same thickness, thus ensuring that the thicknesses of the support rods on both sides are consistent when the structure is a straight ladder.

[0024] The outer insert plate 22 has four through holes 221 at equal angles around the rotating shaft 7. The inner insert plate 32 has insertion holes 321 corresponding to the through holes 221. The pin 6 passes through the through holes 221 and is inserted into the insertion holes 321. In the above design, the pin 6 fixes the angle between the inner insert plate 32 and the outer insert plate 22 through the through holes 221 and the insertion holes 321. The center of the four through holes 221 and the axis of the rotating shaft form an angle of 90 degrees, so that the rotation angle of the inner and outer insert plates 22 can only be a multiple of 90 degrees. Therefore, the connection angle between the third ladder 3 and the second ladder 2 can only be a right angle or a straight line. The pin 6 can increase the connection strength between the outer insert plates 22, ensuring that the third ladder 3 can be stably hung on the wall when used as a hanging ladder.

[0025] The length of the vertical connection between the third support rod 31 and the second support rod 21 is the same as the length of the first support rod 11; wherein, the ends of the first support rod 11 and the third support rod 31 away from the damping pivot 4 are provided with a first anti-slip pad 8. In the above design, when the second support rod 21 and the third support rod 31 are vertically connected, the first ladder frame 1 and the second ladder frame 2 can rotate through the damping pivot 4 to form an A-frame ladder or a straight ladder. The first anti-slip pad 8 at the end can prevent the A-frame ladder or straight ladder from slipping during use.

[0026] One end of the rotating support rod 5 has a shaft hole 51, and the other side of the rotating support rod 5 has a second anti-slip pad 52. The rotating support rod 5 is sleeved on the threaded post 13 on the outside of the first support rod 11 through the shaft hole 51 and connected by a bolt sleeve 53. In the above design, the bolt sleeve 53 connects the rotating support rod 5 to the threaded post 13 on the outside of the support rod. By tightening and then loosening the bolt sleeve 53, the rotating support rod 5 can rotate to an angle perpendicular to the support rod. Among them, the rotating support rods 5 on the first support rod 11 and the second support rod 21 can support the ladder on the wall, while the second anti-slip pad 52 ensures that the first ladder frame 1 and the second ladder frame 2 are stable and do not wobble. When the rotating support rod 5 on the third bracket is perpendicular, it can form a barb, thereby hooking the other side of the top of the wall to prevent the ladder from falling off.

[0027] A limiting nut 54 is provided at the end of the bolt sleeve 53 away from the support rod, which can fix the angle of the rotating support rod 5 when the limiting nut 54 is tightened.

[0028] In terms of specific working principle, the inner insert plate 32 and the outer insert plate 22 are vertically inserted. When used as a straight ladder, the first support rod 11 is rotated by the damping shaft 4 so that the first support rod 11, the second support rod 21, and the third support rod 31 are aligned in a straight line. When used as an A-frame ladder, the first support rod 11 is rotated by the damping shaft 4 so that the first support rod 11 and the second support rod 21 are in an A-shape. When used as a hanging ladder, the first support rod 11 is rotated by the damping shaft 4 so that the first support rod 11 and the second support rod 21 are aligned in a straight line, and the pin 6 of the outer insert plate 22 is pulled out. Then, the inner insert plate 32 is aligned vertically with the outer insert plate 22, and the pin 6 is reinserted, so that the third ladder frame 3 is aligned vertically with the second ladder frame 2. Subsequently, the bolt sleeves 53 of each rotating support rod 5 are loosened by rotating the limit nut 54 so that the rotating support rod 5 is perpendicular to the support rod it is connected to, and the bolt sleeves 53 are tightened. Hook the third ladder frame 3 onto the upper part of the wall and secure it to the wall with the barbs formed by the rotating bracket to ensure a stable and secure connection of the hanging ladder.

[0029] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A multifunctional building ladder, characterized in that, include: A first ladder frame and a second ladder frame; the first support rods on both sides of the first ladder frame are connected to the second support rods on both sides of the second ladder frame via damping pivots, and the support rods are connected by multiple sets of equidistant transverse steps; a third ladder frame for hanging is movably connected to the end of the second ladder frame away from the damping pivots, wherein rotating support rods are symmetrically provided on both sides of the first ladder frame, the second ladder frame and the third ladder frame.

2. The multifunctional building ladder according to claim 1, characterized in that, The third support rods on both sides of the third ladder are provided with semi-circular inner plates, and the ends of the second support rods are provided with semi-circular outer plates that are inserted into the outer side of the inner plates. The centers of the inner plates and the outer plates are connected by a rotating shaft and fixed by a pin. Limiting plates are provided on both sides of the rotating shaft.

3. A multifunctional building ladder according to claim 2, characterized in that, The thickness of both the inner and outer insert plates is half the thickness of the second support rod.

4. A multifunctional building ladder according to claim 2, characterized in that, The outer insert plate has four through holes at equal angles around the rotating shaft, and the inner insert plate has insertion holes corresponding to the through holes. The pin passes through the through holes and is inserted into the insertion holes.

5. A multifunctional building ladder according to claim 2, characterized in that, The length of the vertical connection between the third support rod and the second support rod is the same as the length of the first support rod; wherein, the ends of the first support rod and the third support rod away from the damping pivot are provided with a first anti-slip pad.

6. A multifunctional building ladder according to claim 1, characterized in that, One end of the rotating support rod is provided with a shaft hole, and the other side of the rotating support rod is provided with a second anti-slip pad; the rotating support rod is sleeved on the threaded post on the outside of the first support rod through the shaft hole and connected by a bolt sleeve.

7. A multifunctional building ladder according to claim 6, characterized in that, The bolt sleeve has a limiting nut at the end away from the support rod.

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