Step ladder convenient to disassemble and assemble without damage

Abstract

The utility model relates to the technical field of stairs, in particular to a step ladder convenient for lossless disassembly and assembly, which comprises a ladder body, a top connecting structure and a bottom connecting structure, pedals are arranged on the ladder body; the top connecting structure comprises a stress beam and a transition part arranged on the stress beam, and the ladder body is detachably connected with the transition part; the bottom fixing structure comprises a mounting column and a base, the base is arranged on the outdoor terrace, and the mounting column is arranged at the bottom of the ladder body and inserted into the base. The detachable ladder has the advantages that the ladder body is detachably connected with a building through the top connecting structure and the bottom connecting structure, and welding is avoided; and therefore, the installation is convenient, and the welding steps are reduced. And through the bottom connecting structure, when the step ladder is dismounted, the bottom connecting structure can be directly separated only by dismounting the top connecting structure, and then the ladder body is taken down, so that the recycling of the step ladder is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of stairs, in particular to a step ladder which is easy to disassemble and assemble without damage. Background Art

[0002] Conventional steel ladders are installed by welding the bottom and top of the steel ladder to the building support. This type of steel ladder has many on-site welding steps during the installation process, which generates a lot of pollution and wastes energy. It is also inconvenient to dismantle the steel ladder when it is needed later. In addition, due to the large number of welding steps during the installation process, it is difficult to reuse the steel ladder after it is dismantled. Utility Model Content

[0003] The utility model aims to overcome the disadvantages of the prior art and provide a step ladder which is easy to disassemble and assemble without damage.

[0004] The purpose of the utility model is achieved through the following technical solutions: a step ladder that is easy to disassemble and assemble without damage, comprising a ladder body, a top connecting structure and a bottom connecting structure; a pedal is arranged on the ladder body; the top connecting structure comprises a load-bearing beam and a transition component arranged on the load-bearing beam, and the ladder body and the transition component are detachably connected; the bottom fixed structure comprises a mounting column and a base, the base is arranged on an outdoor floor, the mounting column is arranged at the bottom of the ladder body, and the mounting column is plugged into the base.

[0005] The utility model greatly reduces the installation steps of the step ladder by configuring the top connection structure and the bottom connection structure of the step ladder to be detachable structures, so that on-site welding is no longer required during the installation of the step ladder. In addition, since there is no welding step during installation, the step ladder can be dismantled without loss, which is conducive to the secondary use of the step ladder.

[0006] In some embodiments, the load-bearing beam comprises an I-beam, the transition component is fixedly connected to the load-bearing beam, the transition component has a vertical connection surface for connecting the ladder body, and the transition component is detachably connected to the ladder body through the vertical connection surface. Using an I-beam as a supporting component of the step ladder has a higher strength, so that the step ladder has a higher load-bearing capacity.

[0007] In some embodiments, the vertical connection surface is provided with a first opening, the ladder body is provided with a second opening corresponding to the first opening, and the first opening is connected to the second opening by bolts. The ladder body is connected by bolts to achieve welding-free installation.

[0008] In some embodiments, the ladder body includes a ladder body and a ladder top platform arranged on the top of the ladder body.

[0009] In some embodiments, the ladder body includes a ladder body side plate and a pedal, the two ladder body side plates are arranged opposite to each other, and a plurality of pedals are arranged between the two ladder body side plates and fixedly connected to the ladder body side plates. The ladder body adopts the form of pedals and ladder body side plates, which is easy to process.

[0010] In some embodiments, the ladder top platform includes a ladder top plate and a ladder top side plate, the two ladder top side plates are respectively fixedly connected to the two ladder body side plates, and the two side edges of the ladder top plate are respectively connected to the two ladder top side plates.

[0011] In some embodiments, the base includes a concrete base and a sleeve, the concrete base is buried in the outdoor floor, the sleeve is pre-buried on the top of the concrete base, and the mounting column is inserted into the sleeve.

[0012] In some embodiments, the top of the concrete base is higher than the outdoor floor. When the top of the concrete base is set higher than the outdoor floor, water is not easily accumulated in the sleeve when it rains, which prevents the sleeve from rusting and prolongs the service life of the step ladder.

[0013] In some embodiments, the sleeve has an elliptical cross section, which makes it easier to plug in the mounting post on the ladder.

[0014] The utility model has the following advantages:

[0015] By arranging a top connecting structure and a bottom connecting structure on the ladder body, the bottom connecting structure is a plug-in structure, and the top connecting structure is a threaded connection structure, the on-site welding process can be avoided during the installation of the step ladder, the installation process is simplified, and the pollution generated during the installation process is reduced; at the same time, when the step ladder needs to be dismantled, since there is no welding step in the installation process, it is only necessary to remove the bolts of the top connecting structure to dismantle the step ladder, thereby avoiding destructive dismantling of the step ladder and facilitating the secondary use of the step ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a step ladder that is easy to disassemble and assemble without damage according to the utility model;

[0017] Figure 2 It is a structural schematic diagram of the connection between the ladder top platform and the transition component of the utility model;

[0018] Figure 3 It is a cross-sectional view of the sleeve in the utility model;

[0019] In the figure: 11, ladder body; 111, ladder body side plate; 112, pedal; 12, ladder top platform; 121, ladder top side plate; 122, ladder top plate; 21, transition component; 22, load beam; 31, base; 311, concrete base; 312, sleeve; 32, mounting column. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figure 1-Figure 3 As shown, a step ladder that is easy to disassemble and assemble without damage includes a ladder body, a top connecting structure and a bottom connecting structure; the ladder body is provided with a pedal 112; the top connecting structure includes a load-bearing beam 22 and a transition component 21 arranged on the load-bearing beam 22, and the ladder body and the transition component 21 are detachably connected; the bottom fixing structure includes a mounting column 32 and a base 31, the base 31 is arranged on an outdoor floor, the mounting column 32 is arranged at the bottom of the ladder body, and the mounting column 32 is plugged into the base 31.

[0023] Specifically, in this embodiment, the front and rear ends of the pedal 112 are both provided with a bending portion, the bending portion of the front end of the pedal 112 is bent downward and perpendicular to the tread to form a front baffle, and the bending portion of the rear end of the pedal 112 is bent upward to form a rear baffle. In the process of pedestrians walking, the front baffle and the rear baffle can prevent the soles of the human body from being too forward to the position between the two steps of the pedal 112, thereby reducing the risk of pedestrians tripping over the pedal 112 when going up the stairs. In this embodiment, the transition component 21 and the load-bearing beam 22 are connected by welding. In this embodiment, the mounting column 32 at the bottom of the ladder body is vertically arranged. During the installation process of the utility model, the mounting column 32 at the bottom of the ladder body is first plugged into the base 31, and then the top of the ladder body is connected to the load-bearing beam 22 through the transition component 21, so as to realize the welding-free installation of the step ladder, and avoid pollution and energy waste during installation; when disassembling the step ladder, since no welding connection is used during installation, non-destructive disassembly can be achieved, which is convenient for the secondary use of the step ladder.

[0024] Preferably, the load-bearing beam 22 includes an I-beam, the transition component 21 is fixedly connected to the load-bearing beam 22, the transition component 21 has a vertical connection surface for connecting the ladder body, and the transition component 21 is detachably connected to the ladder body through the vertical connection surface. Specifically, in this embodiment, the transition component 21 includes a first angle steel and a second angle steel, the first angle steel is arranged in the horizontal direction, the second angle steel is arranged in the vertical direction, one side of the first angle steel is attached to and welded to one side of the second angle steel, one side of the first angle steel is overlapped on the load-bearing beam 22 and welded to the load-bearing beam 22, and one side of the second angle steel forms a vertical connection surface.

[0025] Preferably, a first opening is provided on the vertical connection surface, a second opening is provided on the ladder body corresponding to the first opening, and the first opening is bolted to the second opening. In this embodiment, the vertical connection surface on the second angle steel fits the side of the ladder body, two first openings are provided on the vertical connection surface, and correspondingly, two second openings are provided on the side of the ladder body, and the first opening and the second opening are connected by bolts.

[0026] Preferably, the ladder body includes a ladder body 11 and a ladder top platform 12 arranged on the top of the ladder body 11 .

[0027] Preferably, the ladder body 11 includes a ladder body side plate 111 and a pedal 112, the two ladder body side plates 111 are arranged opposite to each other, and a plurality of pedals 112 are arranged between the two ladder body side plates 111 and fixedly connected to the ladder body side plates 111. In this embodiment, the pedals 112 are welded to the ladder body side plates 111, and the ladder body side plates 111 are channel steels.

[0028] Preferably, the ladder top platform 12 includes a ladder top plate 122 and a ladder top side plate 121, the two ladder top side plates 121 are respectively fixedly connected to the two ladder body side plates 111, and the two sides of the ladder top plate 122 are respectively connected to the two ladder top side plates 121. In this embodiment, the ladder top plate 122 and the ladder top side plates 121 are welded, the ladder top side plates 121 are channel steel, and the ladder top side plates 121 and the ladder body side plates 111 are welded. The ladder top side plates 121 are arranged in abutment with the vertical connection surface, and two second openings are provided on the ladder top side plates 121, and are connected to the vertical connection surface by bolts.

[0029] Preferably, the base 31 includes a concrete base 311 and a sleeve 312, the concrete base 311 is buried in the outdoor floor, the sleeve 312 is pre-buried on the top of the concrete base 311, and the mounting column 32 is inserted into the sleeve 312. The mounting column 32 in this embodiment is vertically arranged, and accordingly, the sleeve 312 is vertically pre-buried in the concrete base 311.

[0030] Preferably, the top of the concrete base 311 is higher than the outdoor floor. Since the sleeve 312 is vertically embedded in the concrete base 311, water is easily accumulated in the sleeve 312 when it rains. Therefore, the top of the concrete base 311 is raised to the outdoor floor, so that water is not easy to accumulate in the sleeve 312, and the installation column 32 and the sleeve 312 are not easy to be soaked in water and rusted, thereby extending the service life of the step ladder.

[0031] Preferably, the sleeve 312 has an elliptical cross section. In this embodiment, the length of the minor axis in the elliptical cross section of the sleeve 312 is greater than the diameter of the mounting post 32, ensuring that the mounting post 32 can be inserted into the sleeve 312. At the same time, the sleeve 312 with an elliptical cross section ensures that the mounting post 32 has a certain amount of movement space to compensate for the position error of the concrete base 311.

[0032] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A step ladder that is easy to disassemble and assemble without damage, characterized in that: include: A ladder body, wherein a step (112) is arranged on the ladder body; A top connection structure, the top connection structure comprising a load-bearing beam (22) and a transition component (21) arranged on the load-bearing beam (22), the ladder body being detachably connected to the transition component (21); The bottom fixing structure comprises a mounting column (32) and a base (31), wherein the base (31) is arranged on an outdoor floor, the mounting column (32) is arranged at the bottom of the ladder body, and the mounting column (32) is plugged into the base (31).

2. A step ladder that is easy to disassemble and assemble without damage according to claim 1, characterized in that: The load-bearing beam (22) comprises an I-beam, the transition component (21) is fixedly connected to the load-bearing beam (22), the transition component (21) has a vertical connection surface for connecting to a ladder body, and the transition component (21) is detachably connected to the ladder body via the vertical connection surface.

3. A step ladder that is easy to disassemble and assemble without damage according to claim 2, characterized in that: The vertical connection surface is provided with a first opening, the ladder body is provided with a second opening corresponding to the first opening, and the first opening is bolted to the second opening.

4. A step ladder that is easy to disassemble and assemble without damage according to claim 1, characterized in that: The ladder body comprises a ladder body (11) and a ladder top platform (12) arranged on the top of the ladder body (11).

5. A step ladder that is easy to disassemble and assemble without damage according to claim 4, characterized in that: The ladder body (11) comprises a ladder body side plate (111) and a pedal (112), wherein the two ladder body side plates (111) are arranged opposite to each other, and a plurality of pedals (112) are arranged between the two ladder body side plates (111) and are fixedly connected to the ladder body side plates (111).

6. A step ladder that is easy to disassemble and assemble without damage according to claim 5, characterized in that: The ladder top platform (12) comprises a ladder top plate (122) and a ladder top side plate (121), the two ladder top side plates (121) are respectively fixedly connected to the two ladder body side plates (111), and the two side edges of the ladder top plate (122) are respectively connected to the two ladder top side plates (121).

7. The step ladder that is easy to disassemble and assemble without damage according to claim 1 is characterized in that: The base (31) comprises a concrete base (311) and a sleeve (312); the concrete base (311) is buried in an outdoor floor; the sleeve (312) is pre-buried on the top of the concrete base (311); and the mounting column (32) is inserted into the sleeve (312).

8. A step ladder that is easy to disassemble and assemble without damage according to claim 7, characterized in that: The top of the concrete base (311) is higher than the outdoor floor.

9. The step ladder that is easy to disassemble and assemble without damage according to claim 7, characterized in that: The cross section of the sleeve (312) is elliptical.

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