Angle-adjustable movable ladder

Abstract

The utility model provides an angle-adjustable movable ladder, and belongs to the technical field of construction equipment. The problem that the angle between existing ladders cannot be adjusted is solved. The angle-adjustable movable ladder comprises a bottom frame, a first ladder body and a second ladder body, the bottom end of the first ladder body is rotationally connected with the bottom frame, the top end of the first ladder body is rotationally connected with the second ladder body, a plurality of fixing holes are formed in the bottom frame, and a fixing insertion block is arranged at the bottom end of the second ladder body. The fixing insertion blocks are used for being inserted into the fixing holes. The ladder has the advantages that the angle between the two ladders can be adjusted, and meanwhile, the ladder has better stability and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building instruments, especially relates to an angle-adjustable movable ladder. BACKGROUND

[0002] In the process of building construction, the ladder as the common auxiliary tool can facilitate the staff to reach the higher point position to carry out a number of work.

[0003] In the use process, it is found that the existing ladder has the following problems, two ladders are mostly connected by two connecting rods, so that it prevents two ladders from being close to each other in the use process, which causes the user to fall down, since the length of the connecting rod cannot be changed, the included angle between the two ladders cannot be changed, so that it is difficult to adjust the ladder height according to the demand. SUMMARY

[0004] The utility model aims at the above problems existing in the prior art, provides an angle-adjustable movable ladder.

[0005] The utility model discloses a kind of angle-adjustable movable ladders, it is characterized by including chassis, first ladder and second ladder, the first ladder bottom end is rotatably connected with the chassis, the first ladder top end is rotatably connected with the second ladder, a plurality of fixed holes are provided on the chassis, the second ladder bottom end is provided with fixed plug, the fixed plug is used to insert into the fixed hole.

[0006] The working principle of the utility model: before use, the chassis is placed on the ground, first rotate the second ladder and the first ladder, until the height of the first ladder and the second ladder meets the work demand, insert the fixed plug into the nearest fixed hole, complete fixation, this angle-adjustable movable ladder adjusts the angle between the first ladder and the second ladder by adjusting the fixed hole position of fixed plug insertion, so that this angle-adjustable movable ladder can meet the demand of different height in work.

[0007] In the above-mentioned angle-adjustable movable ladder, the chassis includes a support base and two fixed rods arranged on one side of the support base, the fixed holes are arranged on the fixed rods, and the support base is rotatably connected with the first ladder.

[0008] In the above-mentioned angle-adjustable movable ladder, the fixed rod includes a fixed end and a rotating end, one end of the fixed end is connected with the support base, the other end of the fixed end is rotatably connected with the rotating end, the fixed end and the rotating end are both provided with rotating inclined surfaces, the fixed end is provided with a rotating ball head, and the moving end is provided with a rotating ball groove.

[0009] The rotating end is provided with a clamping block through a rotating shaft, and the second ladder is provided with a clamping groove.

[0010] The first ladder and the second ladder are provided at the top with magnetic blocks.

[0011] The first ladder and the second ladder are provided at the top with rotating arc rings and abutting arc columns, and the rotating arc rings of the first ladder and the second ladder are connected through rotating connecting pieces.

[0012] The abutting arc column is provided with a flexible pad.

[0013] The first ladder and the second ladder each include a plurality of steps, and the steps are arranged obliquely.

[0014] Compared with the prior art, the adjustable angle ladder has the advantages that the angle between the two ladders can be adjusted, and good stability is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the utility model.

[0016] Figure 2 is a structural schematic diagram of the utility model when stored.

[0017] Figure 3 is a cross-sectional structural schematic diagram of the utility model when stored.

[0018] Figure 4 is a structural schematic diagram of the utility model chassis.

[0019] Figure 5 is an exploded structural schematic diagram of the utility model.

[0020] In the figure, 1, chassis; 2, first ladder; 3, second ladder; 4, fixed hole; 5, fixed plug; 6, support base; 7, fixed rod; 8, fixed end; 9, rotating end; 10, rotating inclined surface; 11, rotating ball head; 12, rotating ball groove; 13, clamping block; 14, clamping groove; 15, magnetic block; 16, rotating arc ring; 17, abutting arc column; 18, flexible pad; 19, step; 20, rotating connecting piece. DETAILED DESCRIPTION

[0021] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0022] AsFigures 1-5 As shown, the adjustable angle movable ladder includes a base frame 1, a first ladder 2 and a second ladder 3, the bottom end of the first ladder 2 is rotationally connected with the base frame 1, the top end of the first ladder 2 is rotationally connected with the second ladder 3, a plurality of fixing holes 4 are arranged on the base frame 1, and a fixing plug 5 is arranged at the bottom end of the second ladder 3, and the fixing plug 5 is used for being inserted into the fixing hole 4.

[0023] Further, the base frame 1 includes a support base 6 and two fixing rods 7 arranged on one side of the support base 6, the fixing holes 4 are arranged on the fixing rods 7, and the support base is used for rotationally connecting with the first ladder 2, which is arranged to reduce the area of the base frame 1 and reduce the overall weight.

[0024] Further, the fixing rod 7 includes a fixed end 8 and a rotating end 9, one end of the fixed end 8 is connected with the support base 6, the other end of the fixed end 8 is rotationally connected with the rotating end 9, the fixed end 8 and the rotating end 9 are both provided with a rotating inclined surface 10, the fixed end 8 is provided with a rotating ball head 11, and the rotating end is provided with a rotating ball groove 12, which is arranged to facilitate storage, and when stored, the rotating end 9 is rotated to be attached to the second ladder 3, thereby reducing the ground occupation area, and the rotating end 9 can also reduce the collision with other objects during transportation, and the fixing plug 5 is inserted into the fixing hole 4 of the fixed end 8 during storage.

[0025] Further, the rotating end 9 is connected with a clamping block 13 through a rotating shaft, the second ladder 3 is provided with a clamping groove 14, and the clamping block 13 is buckled with the clamping groove 14, which is arranged to fix the rotating end 9 on the second ladder 3 during transportation, so that the rotating end 9 will not rotate.

[0026] Further, the top of the first ladder 2 and the second ladder 3 is provided with a rotating circular arc ring 16 and an abutting arc column 17, and the rotating circular arc rings 16 of the first ladder 2 and the second ladder 3 are connected through a rotating connecting piece 20, which is arranged to facilitate quick disassembly and maintenance, and the rotation is smooth.

[0027] Further, the abutting arc column 17 is provided with a flexible pad 18, which is arranged to change the hard collision into a flexible collision when the two abutting arc columns 17 are in contact, and to reduce the severity of the injury to the hand.

[0028] Further, the first ladder 2 and the second ladder 3 each include a plurality of steps 19, and the steps 19 are arranged obliquely, which can facilitate climbing and increase comfort.

[0029] Further, the topmost step 19 is detachably provided with a magnetic block 15, which is arranged to attract some nails and other building supplies, and the user can attract the needed items on the magnetic block 15 before climbing the stairs, and then climb the stairs, without worrying about the items falling to the ground due to shaking during the climbing process.

[0030] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0031] Although a large number of terms are used herein, the possibility of using other terms is not excluded. The use of these terms is merely to facilitate the description and explanation of the essence of the present application; any additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. An angle adjustable extension ladder characterized by, The utility model provides a double ladder, including bottom frame (1), first ladder (2) and second ladder (3), first ladder (2) bottom end is rotatably connected with bottom frame (1), first ladder (2) top end is rotatably connected with second ladder (3), bottom frame (1) is provided with a plurality of fixed holes (4), and second ladder (3) bottom end is provided with fixed plug -in block (5), and fixed plug -in block (5) is used for inserting fixed hole (4).

2. An adjustable angle extension ladder according to claim 1, wherein, The bottom frame (1) comprises a support base (6) and two fixed rods (7) arranged on one side of the support base (6), the fixed holes (4) are arranged on the fixed rods (7), and the support base (6) is used for being rotatably connected with the first ladder (2).

3. An adjustable angle extension ladder according to claim 2, wherein, The fixed rod (7) comprises a fixed end (8) and a rotating end (9), one end of the fixed end (8) is connected with the support base (6), the other end of the fixed end (8) is rotatably connected with the rotating end (9), the fixed end (8) and the rotating end (9) are both provided with rotating inclined surfaces (10), the fixed end (8) is provided with a rotating ball head (11), and the rotating end (9) is provided with a rotating ball groove (12).

4. An adjustable angle extension ladder according to claim 3, wherein, The rotating end (9) is connected with a clamping block (13) through a rotating shaft, the second ladder (3) is provided with a clamping groove (14), and the clamping block (13) is buckled with the clamping groove (14).

5. An adjustable angle extension ladder according to claim 1, wherein, The first ladder (2) and the second ladder (3) are both provided with rotating arc rings (16) and abutting arc columns (17) at the top, and the rotating arc rings (16) of the first ladder (2) and the second ladder (3) are connected through rotating connecting pieces (20).

6. An adjustable angle extension ladder according to claim 5, wherein, The abutting arc column (17) is provided with a flexible pad (18).

7. An adjustable angle extension ladder according to claim 1, wherein, The first ladder (2) and the second ladder (3) both comprise a plurality of steps (19), and the steps (19) are arranged obliquely.

8. An adjustable angle extension ladder according to claim 7, wherein, The topmost step (19) is detachably provided with a magnetic block (15).

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