Foldable ladder for building construction

Abstract

The utility model relates to the technical field of building construction, in particular to a foldable ladder for building construction, which comprises a first sleeve shell, a second sleeve shell and a folding device, the second sleeve shell is arranged below the first sleeve shell, one side of the first sleeve shell and one side of the second sleeve shell are respectively provided with a first plate body and a second plate body, and the folding device is arranged on the surface of the first sleeve shell. The folding device comprises a plurality of sliding sleeves, the sliding sleeves are connected with the inner wall of the first sleeve shell and the inner wall of the second sleeve shell in a sliding mode respectively, the surface of the first plate body and the surface of the second plate body are fixedly connected with a plurality of sliding blocks respectively, and the sliding blocks are connected with the inner walls of the sliding sleeves in a sliding mode. The foldable ladder is simple in structure, the occupied space in the transportation and storage process is greatly reduced, tools and equipment are frequently transferred between different construction sites, the folded ladder can be easily placed in a small transport vehicle, a tool room or a storage box, carrying and storage are convenient, and the overall usability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a foldable ladder for building construction. Background Art

[0002] Folding ladders are often used in the construction process. When construction workers carry out a series of operations such as building exterior wall decoration, roof repair, and high-altitude pipeline installation, they often need to use folding ladders to achieve safe and convenient climbing to successfully reach work positions at different heights.

[0003] The foldable building ladder is constructed by a plurality of latches and a plurality of latches, and the plurality of latches are connected to each other by a plurality of latches. The plurality of latches are connected to each other by a plurality of latches.

[0004] In daily work, it is found that existing construction ladders can usually only be folded in the middle when in use, thereby shortening the overall length of the ladder. The folding mechanism cannot change the width of the ladder. As a result, when the ladder needs to be carried, transported or stored, the ladder will occupy a considerable amount of space due to its fixed width. Whether the ladder is placed in a transport vehicle for transfer between construction sites or stored in the tool storage area of ​​the construction site, the large space occupied will cause many inconveniences to the construction workers. Utility Model Content

[0005] The utility model aims to solve the disadvantage in the prior art that the width of the ladder is inconvenient to fold when folding, and proposes a foldable ladder for construction.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a foldable ladder for construction, comprising a casing one, a casing two and a folding device, wherein the casing two is arranged below the casing one, and a plate body one and a plate body two are respectively arranged on one side of the casing one and the casing two, and the folding device is arranged on the surface of the casing one, and the folding device comprises a plurality of sliding sleeves, and the plurality of sliding sleeves are respectively slidably connected to the inner walls of the casing one and the casing two, and a plurality of sliders are respectively fixedly connected to the surfaces of the plate body one and the plate body two, and the sliders are slidably connected to the inner walls of the sliding sleeves, and the casing one and the casing two and the plate body one and the plate body two are respectively A connecting piece is provided on one side, and one side of the sleeve one and sleeve two and the plate one and plate two are fixedly connected with a rod body, the rod body is rotatably connected to the inner wall of the connecting piece, and a limiting component is provided on the surface of the connecting piece, and a positioning component is provided between the sleeve two and the plate two. Through the above components, when in use, the connecting piece cooperates with the sleeve one and sleeve two and the rod body on one side of the plate one and plate two to achieve rotation, and at the same time, the slider is pushed into the sliding sleeve, and the sliding sleeve is pushed into the sleeve one and sleeve two, and cooperates with the limiting component and the positioning component to achieve a folding effect, and the overall space occupied during transportation and storage is greatly reduced.

[0007] Preferably, the surface of the slider is fixedly connected with two positioning posts 1, the surface of the sleeve is provided with a through hole 1, the positioning post 1 is slidably connected to the inner wall of the through hole 1, the surface of the sleeve is fixedly connected with two positioning posts 2, the surfaces of the sleeve 1 and the sleeve 2 are provided with a through hole 2, the positioning post 2 is slidably connected to the inner wall of the through hole 2. Through the above components, when the sleeve slides in the sleeve 1 and the sleeve 2, the positioning post 2 can play a positioning role, and at the same time, when the slider moves in the sleeve, the positioning post 1 can play a positioning role.

[0008] Preferably, the limiting assembly includes a transmission screw, which is rotatably connected to the inner wall of the connecting piece, and the inner wall of the connecting piece is slidably connected with a threaded sleeve, the transmission screw is threadedly connected to the inner wall of the threaded sleeve, and the surface of the rod body is provided with a plurality of slots, and the threaded sleeves are plugged into the inner walls of the slots. Through the above components, when the shell one and the shell two and the plate one and the plate two are folded or unfolded, the transmission screw can be rotated, and the transmission screw controls the threaded sleeve to be inserted into the corresponding slot on the surface of the rod body to achieve a limiting effect.

[0009] Preferably, the positioning assembly includes a rotating rod rotatably connected to the second surface of the plate body, the surface of the rotating rod is slidably connected to a sleeve block, the surface of the rotating rod is sleeved with a spring, the two ends of the spring are respectively fixedly connected to the surfaces of the rotating rod and the sleeve block, the surface of the sleeve shell is fixedly connected to a fixed rod, and the sleeve block is sleeved and connected to the fixed rod. Through the above components, when folding is completed, the sleeve block can be sleeved on the fixed rod through the spring and the sleeve block, thereby playing a role of positioning and storage.

[0010] Preferably, the surfaces of the second sleeve and the second plate body are provided with auxiliary devices, and the auxiliary devices include two threaded columns, and the two threaded columns are fixedly connected to the surfaces of the second sleeve and the second plate body respectively, and the surfaces of the threaded columns are rotatably connected to auxiliary rods, and the surfaces of the threaded columns are threadedly connected to nuts. Through the above components, when the second sleeve cooperates with the second plate body for oblique support, the auxiliary rod can be rotated so that one side of the auxiliary rod is in contact with the ground, and then the nut is rotated, and the nut squeezes and limits the auxiliary rod, thereby increasing the overall contact area with the ground and ensuring stability.

[0011] Preferably, a non-slip pressing sheet is fixedly connected to the surface of the nut. Through the above components, the nut can be squeezed by the non-slip pressing sheet and the surface of the auxiliary rod, thereby ensuring the overall stability effect.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the utility model, by providing a folding device, the length and width of the construction ladder can be changed after it is folded, so that the space occupied by the ladder during transportation and storage is greatly reduced. When tools and equipment are frequently transferred between different construction sites, the folded ladder can be easily placed in a small transport vehicle, tool room or storage box, which is convenient for carrying and storage, and improves overall usability.

[0014] 2. In the present invention, by providing an auxiliary device, the contact surface with the ground can be increased during the overall support and placement of the device, thereby improving the stability of the overall placement during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural diagram of a foldable ladder for construction;

[0016] Figure 2 The utility model proposes a foldable ladder for construction Figure 1 Schematic diagram of the structure at A in the middle;

[0017] Figure 3 The utility model proposes a foldable ladder for construction Figure 1 Schematic diagram of the structure at B in the middle;

[0018] Figure 4 Another schematic diagram of the structure of a foldable ladder for construction proposed by the utility model;

[0019] Figure 5 The utility model proposes a foldable ladder for construction Figure 4 Schematic diagram of the structure at C in the middle;

[0020] Figure 6 The utility model provides a schematic cross-sectional structural diagram of a limiting component of a foldable ladder for construction.

[0021] Legend:

[0022] 1. Shell 1; 2. Shell 2; 3. Plate 1; 4. Plate 2; 5. Folding device; 51. Slider; 52. Sliding sleeve; 53. Positioning column 1; 54. Positioning column 2; 55. Rod body; 56. Connector; 57. Limiting assembly; 571. Drive screw; 572. Threaded sleeve; 573. Slot; 58. Positioning assembly; 581. Fixed rod; 582. Rotating rod; 583. Sleeve block; 584. Spring; 6. Auxiliary device; 61. Threaded column; 62. Nut; 63. Anti-slip pressure plate; 64. Auxiliary rod. DETAILED DESCRIPTION

[0023] See also Figures 1-6 The utility model provides a technical solution: a foldable ladder for construction, comprising a casing 1, a casing 2 and a folding device 5, wherein the casing 2 is arranged below the casing 1, and a plate 1 3 and a plate 2 4 are respectively arranged on one side of the casing 1 and the casing 2 2, and the folding device 5 is arranged on the surface of the casing 1.

[0024] Specifically, the folding device 5 includes a plurality of sliding sleeves 52, which are respectively slidably connected to the inner walls of the sleeve 1 and the sleeve 2 2, and the surfaces of the plate 1 3 and the plate 2 4 are respectively fixedly connected with a plurality of sliders 51, and the sliders 51 are slidably connected to the inner walls of the sliding sleeves 52. One side of the sleeve 1 and the sleeve 2 2 as well as the plate 1 3 and the plate 2 4 are provided with connecting members 56, and one side of the sleeve 1 and the sleeve 2 as well as the plate 1 3 and the plate 2 4 are fixedly connected with a rod 55, and the rod 55 is rotatably connected to the inner wall of the connecting member 56. A limiting component 57 is provided on the surface of the connecting member 56, and a positioning component 58 is provided between the sleeve 2 2 and the plate 2 4.

[0025] In this embodiment: when in use, the connecting piece 56 cooperates with the sleeve 1 and sleeve 2 and the rod body 55 on one side of the plate 1 3 and plate 2 4 to achieve rotation, and at the same time, the slider 51 is pushed into the sliding sleeve 52, and the sliding sleeve 52 is pushed into the sleeve 1 and sleeve 2 2, and cooperates with the limiting component 57 and the positioning component 58 to achieve a folding effect, which greatly reduces the overall space occupied during transportation and storage.

[0026] Specifically, two positioning columns 53 are fixedly connected to the surface of the slider 51, a through hole 1 is provided on the surface of the sliding sleeve 52, and the positioning columns 1 53 are slidably connected to the inner wall of the through hole 1. Two positioning columns 54 are fixedly connected to the surface of the sliding sleeve 52, and a through hole 2 is provided on the surfaces of the sleeve 1 and the sleeve 2, and the positioning columns 2 54 are slidably connected to the inner wall of the through hole 2. When the sliding sleeve 52 slides in the sleeve 1 and the sleeve 2, the positioning columns 2 54 can play a positioning role. At the same time, when the slider 51 moves in the sliding sleeve 52, the positioning columns 1 53 can play a positioning role.

[0027] Specifically, the limiting assembly 57 includes a transmission screw 571, which is rotatably connected to the inner wall of the connecting member 56, and the inner wall of the connecting member 56 is slidably connected with a threaded sleeve 572. The transmission screw 571 is threadedly connected to the inner wall of the threaded sleeve 572, and a plurality of slots 573 are opened on the surface of the rod body 55, and the threaded sleeve 572 is plugged into the inner wall of the slot 573.

[0028] In this embodiment: when the shell 1 and the shell 2 2 and the plate 1 3 and the plate 2 4 are folded or unfolded, the transmission screw 571 can be rotated, and the transmission screw 571 controls the threaded sleeve 572 to be inserted into the corresponding slot 573 on the surface of the rod body 55 to achieve a limiting effect.

[0029] Specifically, the positioning assembly 58 includes a rotating rod 582 rotatably connected to the surface of the plate body 2 4, and a sleeve block 583 is slidably connected to the surface of the rotating rod 582. A spring 584 is sleeved on the surface of the rotating rod 582, and the two ends of the spring 584 are respectively fixedly connected to the surfaces of the rotating rod 582 and the sleeve block 583. The surface of the housing 2 is fixedly connected to the fixed rod 581, and the sleeve block 583 is sleeved and connected to the fixed rod 581. When the folding is completed, the sleeve block 583 can be cooperated with the spring 584 to sleeve the block 583 on the fixed rod 581, thereby playing a role in positioning and storage.

[0030] Specifically, an auxiliary device 6 is provided on the surface of the casing 2 and the plate 4. The auxiliary device 6 includes two threaded columns 61. The two threaded columns 61 are fixedly connected to the surface of the casing 2 and the plate 4 respectively. The surface of the threaded column 61 is rotatably connected to an auxiliary rod 64, and the surface of the threaded column 61 is threadedly connected to a nut 62.

[0031] In this embodiment: when the housing 2 cooperates with the plate 2 4 for oblique support, the auxiliary rod 64 can be rotated so that one side of the auxiliary rod 64 is in contact with the ground, and then the nut 62 is rotated, and the nut 62 squeezes and limits the auxiliary rod 64, thereby increasing the overall contact area with the ground and ensuring stability.

[0032] Specifically, the surface of the nut 62 is fixedly connected with an anti-slip pressing piece 63 , and the nut 62 can be squeezed by the anti-slip pressing piece 63 and the surface of the auxiliary rod 64 to ensure the overall stability.

[0033] Working principle: When folding is required, the plate body 1 3 and the plate body 2 4 can be pushed toward the side close to the casing 1 1 and the casing 2 2 first, and the plate body 1 3 and the plate body 2 4 drive the slider 51 to move, so that the slider 51 is inserted into the sliding sleeve 52, and the sliding sleeve 52 is inserted into the inner wall of the casing 1 1 and the casing 2 2, until the plate body 1 3 and the plate body 2 4 are respectively fitted with the casing 1 1 and the casing 2 2, and the spring 584 cooperates with the sleeve block 583, and the sleeve block 583 is set on the fixed rod 581, thereby playing the role of positioning and storage, and then the transmission screw 571 is rotated, and the transmission screw 571 drives the threaded sleeve 572 from the slot 5 on the surface of the rod body 55 73 is moved out, and then the rod body 55 cooperates with the connecting piece 56 to realize the rotation between the shell 1 and the shell 2 2 and the plate 1 3 and the plate 2 4, so as to realize the overall folding operation. At the same time, during the use of the whole, the shell 2 2 cooperates with the plate 2 4 to support and place it on the ground. During the placement process, the auxiliary rod 64 can be rotated on the threaded column 61 to make the auxiliary rod 64 fit with the ground. After fitting, the nut 62 can be rotated, and the nut 62 can drive the anti-skid pressure plate 63 to squeeze on the auxiliary rod 64, limiting the auxiliary rod 64, so that the auxiliary rod 64 can increase the contact area between the whole and the ground, thereby improving the overall stability.

Claims

1. A foldable ladder for construction, comprising a first casing (1), a second casing (2) and a folding device (5), characterized in that: The second housing (2) is located below the first housing (1), and a plate body (3) and a plate body (4) are respectively provided on one side of the first housing (1) and the second housing (2). The folding device (5) is provided on the surface of the first housing (1), and the folding device (5) includes a plurality of sliding sleeves (52). The plurality of sliding sleeves (52) are respectively slidably connected to the inner walls of the first housing (1) and the second housing (2). The surfaces of the plate body (3) and the plate body (4) are respectively fixedly connected with a plurality of sliders (51). The sliders (51) Slidingly connected to the inner wall of the sliding sleeve (52), the sleeve shell 1 (1) and the sleeve shell 2 (2) as well as the plate body 1 (3) and the plate body 2 (4) are all provided with a connecting piece (56) on one side, the sleeve shell 1 (1) and the sleeve shell 2 as well as the plate body 1 (3) and the plate body 2 (4) are all fixedly connected with a rod body (55) on one side, the rod body (55) is rotatably connected to the inner wall of the connecting piece (56), a limiting component (57) is provided on the surface of the connecting piece (56), and a positioning component (58) is provided between the sleeve shell 2 (2) and the plate body 2 (4).

2. A foldable ladder for construction according to claim 1, characterized in that: The surface of the slider (51) is fixedly connected with two positioning columns (53), the surface of the sliding sleeve (52) is provided with a through hole (1), the positioning column (53) is slidably connected to the inner wall of the through hole (1), the surface of the sliding sleeve (52) is fixedly connected with two positioning columns (54), the surfaces of the sleeve (1) and the sleeve (2) are provided with a through hole (2), the positioning column (54) is slidably connected to the inner wall of the through hole (2).

3. A foldable ladder for construction according to claim 1, characterized in that: The limiting assembly (57) includes a transmission screw (571), the transmission screw (571) is rotatably connected to the inner wall of the connecting member (56), the inner wall of the connecting member (56) is slidably connected to a threaded sleeve (572), the transmission screw (571) is threadedly connected to the inner wall of the threaded sleeve (572), the surface of the rod body (55) is provided with a plurality of slots (573), and the threaded sleeves (572) are plugged into the inner walls of the slots (573).

4. A foldable ladder for construction according to claim 1, characterized in that: The positioning assembly (58) includes a rotating rod (582) rotatably connected to the surface of the second plate body (4), the surface of the rotating rod (582) is slidably connected to a sleeve block (583), the surface of the rotating rod (582) is sleeved with a spring (584), the two ends of the spring (584) are respectively fixedly connected to the surfaces of the rotating rod (582) and the sleeve block (583), the surface of the sleeve shell (2) is fixedly connected to a fixed rod (581), and the sleeve block (583) is sleeved and connected to the fixed rod (581).

5. The foldable ladder for construction according to claim 1, characterized in that: The surfaces of the second casing (2) and the second plate body (4) are provided with an auxiliary device (6), and the auxiliary device (6) comprises two threaded columns (61). The two threaded columns (61) are fixedly connected to the surfaces of the second casing (2) and the second plate body (4), respectively. The surfaces of the threaded columns (61) are rotatably connected to auxiliary rods (64), and the surfaces of the threaded columns (61) are threadedly connected to nuts (62).

6. A foldable ladder for construction according to claim 5, characterized in that: An anti-slip pressing sheet (63) is fixedly connected to the surface of the nut (62).

Images