CN215408414U - Adjustable folding ladder for building construction - Google Patents

Abstract

The utility model relates to the technical field of building construction tools, and discloses an adjustable folding ladder for building construction, which comprises a left ladder frame and a right ladder frame, wherein the left ladder frame is movably connected with the right ladder frame, pedals are arranged on the left ladder frame and the right ladder frame, two sides of each pedal are connected with the ladder frames through connecting columns, turnover grooves are oppositely formed in the edges of the top surfaces of the pedals, extension plates are arranged in the two turnover grooves, movable shafts penetrate through the extension plates and are connected with the inner walls of the turnover grooves, torsion springs are sleeved on the movable shafts, two ends of each torsion spring are respectively connected with the extension plates and the turnover grooves, when the left ladder frame and the right ladder frame are opened, a user steps on the pedals, the extension plates on each pedal are in an outward splayed shape and are movably connected through the movable shafts, so that the extension plates can be automatically opened, thereby the size area of increase pedal is that the workman tramples more stably when climbing, promotes stability.

Description

Adjustable folding ladder for building construction

Technical Field

The utility model relates to the technical field of building construction tools, in particular to an adjustable folding ladder for building construction.

Background

The ladder is one of the essential equipment in the fitment process, all can use when scraping wall, furred ceiling, installation lamps and lanterns, and the folding ladder is civil engineering articles for use, helps the staff to fall low on the building site, like the activity stair. The folding ladder is opened when in use and folded after use, thereby being convenient for transfer. The folding ladder is required to be firm and firm for working, is widely applied to various civil engineering and finishing engineering, and is popular among more people due to convenience and dual-purpose property.

At present, the folding ladder on the market mostly only has the function of folding accomodating, especially relates to "people" style of calligraphy folding ladder, and in the use, because the footboard size is less and fixed, the workman is very unstable when the climbing operation, very easily steps on smoothly to produce great potential safety hazard, can't adjust by oneself the width size of footboard, the practicality is not high, to this we propose an adjustable folding ladder for construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable folding ladder for building construction, which solves the problems that most folding ladders on the market in the prior art only have the folding and accommodating functions, in particular to a folding ladder shaped like a Chinese character 'ren', and in the using process, as the size of a pedal is small and fixed, a worker is extremely unstable and is easy to step on the pedal during climbing operation, so that a large potential safety hazard is generated, the width size of the pedal cannot be automatically adjusted, and the practicability is not high.

In order to achieve the purpose, the utility model provides the following technical scheme: including left ladder frame and right ladder frame, left side ladder frame and right ladder frame swing joint, all be equipped with the footboard on left side ladder frame and the right ladder frame, the footboard both sides are connected with ladder frame through the spliced pole, footboard top surface edge is relative form and has seted up the returning face tank, two all be equipped with the extension plate in the returning face tank, wear to be equipped with the loose axle in the extension plate, the loose axle is connected with the inner wall of returning face tank, and the cover is equipped with the torsional spring on the loose axle, the both ends of torsional spring are connected with extension plate and returning face tank respectively.

Preferably, a plurality of pedals are oppositely arranged on the left ladder frame and the right ladder frame.

Preferably, the included angle of each overturning groove is arranged in an acute angle shape.

Preferably, the two extension plates on each pedal are arranged in an external eight shape.

Preferably, a connecting transverse plate is arranged between the left ladder frame and the right ladder frame.

Preferably, the bottoms of the left ladder frame and the right ladder frame are both provided with anti-slip pads, and the anti-slip pads are detachably connected with the left ladder frame and the right ladder frame.

Preferably, two all be equipped with a plurality of skid proof block on the relative outer wall of extension plate, it is a plurality of skid proof block is array form and distributes.

Preferably, each overturning groove bottom wall is provided with a supporting groove, and a supporting component is arranged in each supporting groove.

Preferably, the supporting component comprises a plurality of springs, the springs are distributed in the supporting groove in an array shape, and the top surfaces of the springs are connected with the supporting plate together.

Preferably, the area of the bottom surface of the support plate is larger than the area of the notch of the support groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the utility model relates to an adjustable folding ladder for building construction, which is provided with a turnover groove, extension plates and a movable shaft, wherein when a left ladder frame and a right ladder frame are opened, a user steps on pedals, the extension plates on each pedal are in a splayed shape and are movably connected through the movable shaft, so that the extension plates can be automatically opened, the size area of the pedals is increased, and the folding ladder is more stable when the user steps on and climbs, and the stability is improved.

(2) The utility model relates to an adjustable folding ladder for building construction, which is provided with a torsional force of a torsional spring, and can drive an extension plate to automatically reset when no pressure exists on the upper parts of a pedal and the extension plate, so as to facilitate the next operation.

(3) The adjustable folding ladder for building construction is provided with the anti-skidding lugs, so that a worker can be ensured not to skid easily when climbing, and the safety of climbing operation is improved.

(4) The utility model relates to an adjustable folding ladder for building construction, which is provided with a spring and a supporting plate, and can stably support an extension plate when the extension plate is turned over, so that the stability of the extension plate under extrusion is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the reference symbols: 11. a left ladder frame; 12. a right ladder frame; 13. connecting the transverse plates; 14. a pedal; 141. a turnover groove; 142. a support groove; 15. connecting columns; 2. a non-slip mat; 3. an anti-slip bump; 41. an extension plate; 42. a movable shaft; 43. a torsion spring; 51. a spring; 52. and a support plate.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1, the present invention provides an adjustable folding ladder for building construction, which comprises: including left ladder frame 11 and right ladder frame 12, left side ladder frame 11 and right ladder frame 12 swing joint, all be equipped with footboard 14 on left side ladder frame 11 and the right ladder frame 12, footboard 14 both sides are connected with the ladder frame through spliced pole 15, footboard 14 top surface edge is relative form and has seted up upset groove 141, all be equipped with extension plate 41 in two upset grooves 141, wear to be equipped with loose axle 42 in the extension plate 41, loose axle 42 is connected with upset groove 141's inner wall, and the cover is equipped with torsional spring 43 on the loose axle 42, the both ends of torsional spring 43 are connected with extension plate 41 and upset groove 141 respectively, it is concrete, torsional spring 43 and extension plate 41 and upset groove 141 fixed connection, it sets up a plurality of footboards 14 to be relative form on left side ladder frame 11 and the right ladder frame 12, the contained angle of every upset groove 141 all is the acute angle shape setting, two extension plates 41 on every footboard 14 are outer eight forms setting.

In this embodiment, open left ladder frame 11 and right ladder frame 12, when the workman climbs, step on the footboard 14 with the foot, owing to be the extension plate 41 of outer eight characters form, utilize torsional spring 43's torsional force simultaneously, drive extension plate 41 upset, keep the level with footboard 14, expand extension plate 41 promptly, the workman of being convenient for climbs and tramples, improve the security of climbing, when the power that receives on footboard 14 disappears, torsional spring 43 releases the elastic force, drives extension plate 41 promptly and resets, realizes adaptive control.

Further, be provided with between left ladder frame 11 and the right ladder frame 12 and connect diaphragm 13, it is specific, connect diaphragm 13 and be used for fixing left ladder frame 11 and right ladder frame 12 to guarantee the stability of left ladder frame 11 and right ladder frame 12.

Further, the bottom of left ladder frame 11 and right ladder frame 12 all is equipped with slipmat 2, and is concrete, and slipmat 2 can guarantee the stability that left ladder frame 11 and right ladder frame 12 placed, and slipmat 2 can dismantle with left ladder frame 11 and right ladder frame 12 and be connected.

Further, all be equipped with a plurality of skid proof block 3 on two extension plate 41's the relative outer wall, a plurality of skid proof block 3 are array form and distribute, and is concrete, and during the use, skid proof block 3 can guarantee that the workman is more stable when trampling extension plate 41, avoids appearing the problem of skidding.

Further, all begin to have support recess 142 on every upset groove 141 diapire, be equipped with supporting component in the support recess 142, supporting component includes a plurality of springs 51, and a plurality of springs 51 are array form and distribute in supporting recess 142, and a plurality of springs 51's top surface is connected with backup pad 52 jointly, and backup pad 52 bottom surface area is greater than the notch area of supporting recess 142.

In the present embodiment, the extension plate 41 is supported by the support plate 52 by the elastic action of the spring 51, and the extension plate 41 is secured to be stable when stretched.

Specifically, the working principle and the using process of the utility model are as follows: open left ladder frame 11 and right ladder frame 12, when the workman climbs, step on the footboard 14 with the foot, owing to be the extension plate 41 of outer eight characters form, utilize torsional spring 43's torsional force simultaneously, drive extension plate 41 upset, keep the level until with footboard 14, and right extension plate 41 extrudees backup pad 52 and spring 51, expand extension plate 41 promptly, the workman of being convenient for climbs and tramples, improve the security of climbing, when the power that receives on the footboard 14 disappears, torsional spring 43 releases the elastic force, drive extension plate 41 promptly and reset, realize self-adaptation regulation, until accomplishing whole work order.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an adjustable folding ladder for construction, its characterized in that, includes left ladder frame (11) and right ladder frame (12), left side ladder frame (11) and right ladder frame (12) swing joint, all be equipped with footboard (14) on left side ladder frame (11) and right ladder frame (12), footboard (14) both sides are connected with ladder frame through spliced pole (15), footboard (14) top surface edge is relative form and has seted up turn-over groove (141), two all be equipped with extension plate (41) in turn-over groove (141), wear to be equipped with loose axle (42) in extension plate (41), loose axle (42) are connected with the inner wall of turn-over groove (141), and the cover is equipped with torsional spring (43) on loose axle (42), the both ends of torsional spring (43) are connected with extension plate (41) and turn-over groove (141) respectively.

2. The adjustable folding ladder for building construction as claimed in claim 1, wherein: the left ladder frame (11) and the right ladder frame (12) are oppositely provided with a plurality of pedals (14).

3. The adjustable folding ladder for building construction as claimed in claim 2, wherein: the included angle of each overturning groove (141) is arranged in an acute angle shape.

4. The adjustable folding ladder for building construction as claimed in claim 2, wherein: the two extension plates (41) on each pedal (14) are arranged in an external eight shape.

5. The adjustable folding ladder for building construction as claimed in claim 1, wherein: a connecting transverse plate (13) is arranged between the left ladder frame (11) and the right ladder frame (12).

6. The adjustable folding ladder for building construction as claimed in claim 1, wherein: the bottom of left side ladder frame (11) and right ladder frame (12) all is equipped with slipmat (2), just slipmat (2) can be dismantled with left ladder frame (11) and right ladder frame (12) and be connected.

7. The adjustable folding ladder for building construction as claimed in claim 1, wherein: two all be equipped with a plurality of skid proof block (3) on the relative outer wall of extension plate (41), it is a plurality of skid proof block (3) are array form and distribute.

8. The adjustable folding ladder for building construction as claimed in claim 1, wherein: supporting grooves (142) are formed in the bottom wall of each overturning groove (141), and supporting components are arranged in the supporting grooves (142).

9. The adjustable folding ladder for building construction as claimed in claim 8, wherein: the supporting component comprises a plurality of springs (51), the springs (51) are distributed in the supporting groove (142) in an array shape, and the top surfaces of the springs (51) are connected with the supporting plate (52) together.

10. The adjustable folding ladder for building construction as claimed in claim 9, wherein: the area of the bottom surface of the support plate (52) is larger than the area of the notch of the support groove (142).

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