CN214741032U - Ladder for building - Google Patents

Abstract

The utility model discloses a ladder for building, the length of a first ascending unit is equal to that of a fourth ascending unit, the length of a second ascending unit is equal to that of a third ascending unit, the first ascending unit and the second ascending unit can be hinged and fixed to any included angle, the second ascending unit and the third ascending unit are hinged and fixed to any included angle, the third ascending unit and the fourth ascending unit are hinged and fixed to any included angle, the inner side surface of the fourth ascending unit is provided with a chute, the top end of the chute passes through the top end of the fourth ascending unit, the top end of the chute is provided with a clamping groove, a sliding block is arranged in the chute, a fifth ascending unit is arranged between the sliding blocks, the middle of the fifth ascending unit is an auxiliary pedal rod, the auxiliary pedal rod is provided with a clamping ring, the clamping ring is fixedly connected with the auxiliary pedal rod, the middle of the first ascending unit is a main pedal rod, the clamping ring can be clamped on the main rod of the first ascending unit, the height can be freely adjusted, a standing type platform is built, and the safety and the convenience of the building construction process are improved.

Description

Ladder for building

Technical Field

The utility model belongs to the technical field of the construction, concretely relates to ladder for building.

Background

In the building work progress, often need personnel to use the ladder to climb and carry out relevant work, traditional ladder is for falling V-arrangement ladder, and personnel can only lie prone on or work on standing on, is difficult for turning round etc. the operation of swinging by a wide margin, otherwise can cause the ladder unstably and fall down, causes serious bodily injury, and this kind of ladder is highly certain moreover, can not adjust the height at will, and suitable occasion is few, can't satisfy the various complex conditions in the building work progress, uses very inconveniently.

Disclosure of Invention

For solving the problem that proposes among the above-mentioned background art, the utility model provides a platform formula, be convenient for adjust use height, multi-functional ladder for building.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a first climbing unit, a second climbing unit, a third climbing unit and a fourth climbing unit, wherein the first climbing unit and the fourth climbing unit are equal in length, the second climbing unit and the third climbing unit are equal in length, the first climbing unit and the second climbing unit are hinged, the first climbing unit and the second climbing unit can be fixed to any included angle, the second climbing unit and the third climbing unit are hinged, the second climbing unit and the third climbing unit can be fixed to any included angle, the third climbing unit and the fourth climbing unit are hinged, the third climbing unit and the fourth climbing unit can be fixed to any included angle, a sliding groove is arranged on the inner side surface of the fourth climbing unit, and the top end of the sliding groove penetrates through the top end of the fourth climbing unit, the top of spout is provided with the draw-in groove, be provided with the slider in the spout, the slider is followed the spout slides from top to bottom, the slider can block in the draw-in groove internal rotation, be provided with the fifth unit of ascending a height between the slider, fifth unit side fixed connection of ascending a height the slider, the centre of fifth unit of ascending a height is vice foot bar, be provided with the snap ring on the vice foot bar, snap ring fixed connection vice foot bar, the centre of first unit of ascending a height, second unit of ascending a height, third unit of ascending a height, fourth unit of ascending a height is main foot bar, the snap ring can block in on the main foot bar of first unit of ascending a height.

Preferably, a first connecting rod is disposed on a side surface of the first ascending unit, one end of the first connecting rod is rotatably connected to the first ascending unit, the other end of the first connecting rod is fixedly connected to a side surface of the fourth ascending unit, a second connecting rod is disposed on a side surface of the second ascending unit, one end of the second connecting rod is rotatably connected to the second ascending unit, the other end of the second connecting rod is fixedly connected to a side surface of the third ascending unit, a third connecting rod is disposed on a side surface of the third ascending unit, one end of the third connecting rod is rotatably connected to the second ascending unit, the other end of the third connecting rod is fixedly connected to a side surface of the second ascending unit, a fourth connecting rod is disposed on a side surface of the fourth ascending unit, and one end of the fourth connecting rod is rotatably connected to the fourth ascending unit, the other end of the fourth connecting rod can be fixedly connected with the side face of the first ascending unit, the side face of the first ascending unit is provided with a fifth connecting rod, one end of the fifth connecting rod is connected with the first ascending unit in a rotating mode, the side face of the fourth ascending unit is provided with a sixth connecting rod, and one end of the sixth connecting rod is connected with the fourth ascending unit in a rotating mode.

Preferably, the auxiliary pedal rods are provided with snap rings.

The utility model has the advantages of as follows: the A-shaped ladder can be converted into an M-shaped ladder through folding, the fifth ascending unit is clamped behind the main foot bar and is paved on the fifth ascending unit by using a flat plate, a plane on which personnel stand is constructed, articles are convenient to place, meanwhile, the swing amplitude of personnel operation is enhanced, and the folding type ladder is very convenient and fast; when the M-shaped ladder is used, the height of the platform can be adjusted at will by adjusting the included angle between the second climbing unit and the third climbing unit, so that the requirements of personnel on different construction heights are met; the installation is dismantled conveniently, easily transports and uses.

Drawings

Fig. 1 is a schematic structural view of the ladder for building of the present invention.

Fig. 2 is a schematic structural view of the ladder for building after being folded and laid flat.

Fig. 3 is a schematic view of the folding and flatly placing back side of the ladder for building of the present invention.

Fig. 4 is the internal structure schematic diagram of the ladder for building of the utility model.

Fig. 5 is a schematic structural view of a fifth ascending unit junction of the ladder for buildings according to the present invention.

In the figure: 1. a first ascending unit; 2. a second ascending unit; 3. a third ascending unit; 4. a fourth ascending unit; 5. a first connecting rod; 6. a second connecting rod; 7. a third connecting rod; 8. a fourth connecting rod; 9. a fifth connecting rod; 10. a sixth connecting rod; 11. a fifth ascending unit; 12. a chute; 13. a card slot; 14. a slider; 15. an auxiliary foot bar; 16. a snap ring; 17. a main foot bar.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the first ascending unit 1 and the fourth ascending unit 4 have the same length, the second ascending unit 2 and the third ascending unit 3 have the same length, the first ascending unit 1, the second ascending unit 2, the third ascending unit 3 and the fourth ascending unit 4 have a plurality of threaded holes on the sides thereof, the first ascending unit 1 and the second ascending unit 2 are hinged via a central shaft, the second ascending unit 2 and the third ascending unit 3 are hinged via a central shaft, the third ascending unit 3 and the fourth ascending unit 4 are hinged via a central shaft, a first connecting rod 5 is mounted on the side of the first ascending unit 1, one end of the first connecting rod 5 is rotatably connected to the first ascending unit 1 via a shaft, the other end of the first connecting rod 5 has a circular hole, one end of the first connecting rod 5 can be fixed in the threaded hole on the side of the fourth ascending unit 4 via a screw, a second connecting rod 6 is installed on the side surface of the second ascending unit 2, one end of the second connecting rod 6 is rotatably connected with the second ascending unit 2 through a shaft, the other end of the second connecting rod 6 is provided with a round hole, one end of the second connecting rod 6 can be fixed in a threaded hole on the side surface of the third ascending unit 3 through a screw, a third connecting rod 7 is installed on the side surface of the third ascending unit 3, one end of the third connecting rod 7 is rotatably connected with the second ascending unit 2 through a shaft, the other end of the third connecting rod 7 is provided with a round hole, one end of the third connecting rod 7 can be fixed in a threaded hole on the side surface of the second ascending unit 2 through a screw, a fourth connecting rod 8 is installed on the side surface of the fourth ascending unit 4, one end of the fourth connecting rod 8 is rotatably connected with the fourth ascending unit 4 through a shaft, the other end of the fourth connecting rod 8 is provided with a round hole, one end of the fourth connecting rod 8 can be fixed in a threaded hole on the side surface of the first ascending unit 1 through a screw, a fifth connecting rod 9 is arranged on the side surface of the first ascending unit 1, one end of the fifth connecting rod 9 is rotatably connected with the first ascending unit 1 through a shaft, the other end of the fifth connecting rod 9 is provided with a round hole, one end of the fifth connecting rod 9 can be fixedly connected in a threaded hole of the second ascending unit 2 through a screw, the fifth connecting rod 9, the first ascending unit 1 and the second ascending unit 2 form a triangle, a sixth connecting rod 10 is arranged on the side surface of the fourth ascending unit 4, one end of the sixth connecting rod 10 is rotatably connected with the fourth ascending unit 4 through a shaft, the other end of the sixth connecting rod 10 is provided with a round hole, one end of the sixth connecting rod 10 can be fixedly connected in a threaded hole of the third ascending unit 3 through a screw, the sixth connecting rod 10, the third ascending unit 3 and the fourth ascending unit 4 form a triangle, two inner side surfaces of the fourth ascending unit 4 are provided with chutes 12, the top end of the sliding chute 12 penetrates through the top end of the fourth ascending unit 4, the top end of the sliding chute 12 is a semicircular clamping groove 13, 4 sliding blocks 14 are installed in the sliding chute 12, the sliding blocks 14 slide up and down along the sliding chute 12, the sliding blocks 14 can be clamped in the clamping groove 13 to rotate, a fifth ascending unit 11 is installed between the sliding blocks 14, the sliding blocks 14 are integrally and fixedly connected to the side face of the fifth ascending unit 11, an auxiliary pedal rod 15 is arranged in the middle of the fifth ascending unit 11, a clamping ring 16 is installed on the auxiliary pedal rod 15 and is two semicircular rings, the auxiliary pedal rod 15 is welded to one end of the clamping ring 16, a main pedal rod 17 is arranged in the middle of each of the first ascending unit 1, the second ascending unit 2, the third ascending unit 3 and the fourth ascending unit 4, and the clamping ring 16 can be clamped on the main pedal rod 17 of the first ascending unit 1.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims (3)

1. A ladder for building which is characterized in that: comprises a first climbing unit (1), a second climbing unit (2), a third climbing unit (3) and a fourth climbing unit (4), wherein the first climbing unit (1) and the fourth climbing unit (4) have the same length, the second climbing unit (2) and the third climbing unit (3) have the same length, the first climbing unit (1) and the second climbing unit (2) are hinged with each other, the first climbing unit (1) and the second climbing unit (2) can be fixed to any included angle, the second climbing unit (2) and the third climbing unit (3) are hinged with each other, the second climbing unit (2) and the third climbing unit (3) can be fixed to any included angle, the third climbing unit (3) and the fourth climbing unit (4) are hinged with each other, and the third climbing unit (3) and the fourth climbing unit (4) can be fixed to any included angle, the inner side surface of the fourth ascending unit (4) is provided with a sliding groove (12), the top end of the sliding groove (12) penetrates through the top end of the fourth ascending unit (4), a clamping groove (13) is formed in the top end of the sliding groove (12), a sliding block (14) is arranged in the sliding groove (12), the sliding block (14) slides up and down along the sliding groove (12), the sliding block (14) can be clamped in the clamping groove (13) to rotate, a fifth ascending unit (11) is arranged between the sliding blocks (14), the side surface of the fifth ascending unit (11) is fixedly connected with the sliding block (14), an auxiliary pedal rod (15) is arranged in the middle of the fifth ascending unit (11), a clamping ring (16) is arranged on the auxiliary pedal rod (15), the clamping ring (16) is fixedly connected with the auxiliary pedal rod (15), and the first ascending unit (1), the second ascending unit (2), the third ascending unit (3), The middle of the fourth ascending unit (4) is provided with a main pedal rod (17), and the snap ring (16) can be clamped on the main pedal rod (17) of the first ascending unit (1).

2. A ladder as set forth in claim 1, wherein: a first connecting rod (5) is arranged on the side surface of the first ascending unit (1), one end of the first connecting rod (5) is rotatably connected with the first ascending unit (1), the other end of the first connecting rod (5) can be fixedly connected with the side surface of the fourth ascending unit (4), a second connecting rod (6) is arranged on the side surface of the second ascending unit (2), one end of the second connecting rod (6) is rotatably connected with the second ascending unit (2), the other end of the second connecting rod (6) can be fixedly connected with the side surface of the third ascending unit (3), a third connecting rod (7) is arranged on the side surface of the third ascending unit (3), one end of the third connecting rod (7) is rotatably connected with the second ascending unit (2), the other end of the third connecting rod (7) can be fixedly connected with the side surface of the second ascending unit (2), the side of fourth unit (4) of ascending a height is provided with fourth connecting rod (8), the one end of fourth connecting rod (8) is rotated and is connected fourth unit (4) of ascending a height, the other end fixed connection of fourth connecting rod (8) the side of first unit (1) of ascending a height, the side of first unit (1) of ascending a height is provided with fifth connecting rod (9), the one end of fifth connecting rod (9) is rotated and is connected first unit (1) of ascending a height, the side of fourth unit (4) of ascending a height is provided with sixth connecting rod (10), the one end of sixth connecting rod (10) is rotated and is connected fourth unit (4) of ascending a height.

3. A ladder as set forth in claim 1, wherein: the auxiliary pedal rods (15) are provided with snap rings (16).

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