CN110454078B

CN110454078B - Ladder for building engineering

Info

Publication number: CN110454078B
Application number: CN201910774227.4A
Authority: CN
Inventors: 钱思愉
Original assignee: Individual
Current assignee: Shi Yingjie
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-10-27
Anticipated expiration: 2039-08-21
Also published as: AU2019101275A4; WO2021031228A1; CN110454078A

Abstract

The invention relates to a ladder for constructional engineering, which comprises a main ladder, an auxiliary ladder, a connecting rod and a fixing rod, wherein the main ladder comprises a plurality of ladder rods and first supporting rods symmetrically fixed at two ends of the ladder rods, a hidden groove is formed in one side of each first supporting rod, the auxiliary ladder comprises a plurality of ladder rods and second supporting rods symmetrically fixed at two ends of each ladder rod, the number of the ladder rods is measured by the height actually used to the herringbone ladder, a fixing block is arranged at the bottom end, close to one side of the main ladder, of each second supporting rod and can be fixedly connected with the hidden groove, one end of the connecting rod is rotatably connected with the lower end of the first supporting rod, the other end of the connecting rod is slidably connected with the lower end of the second supporting rod, one end of the fixing rod is hinged to the top end of. In general, the ladder for construction engineering can be interchanged between a herringbone ladder and a straight ladder, and has good structural strength while achieving a higher height than the herringbone ladder when switched to the straight ladder.

Description

Ladder for building engineering

Technical Field

The invention relates to the technical field of herringbone ladders, in particular to a ladder for constructional engineering.

Background

A herringbone ladder: a climbing tool for finishing work in a space above a surface. When the ladder is used, the front ladder rod, the rear ladder rod and the ground form an isosceles triangle which looks like a Chinese character 'ren', so that the ladder is called as a herringbone ladder. The double ladder generally comprises two ladder frames that can rotate relatively, can fold, it is little to take up an area of, be convenient for accomodate, light in weight, it is convenient to remove, expand two ladder frames during the use and be the chevron shape, need not to lean on just can using on other articles, in addition, when the condition of placing can't be expanded to partial bottom surface satisfies the double ladder, can fold into a word ladder with the double ladder and use, but on the market, the height when the double ladder that can form a word ladder most all has maintained original chevron shape, just exceeded original height, it is not very good yet to fix the effect at it.

Disclosure of Invention

Technical problem to be solved

In order to solve the problems, the invention provides a ladder for constructional engineering, which can solve the problems of height and fixing strength when a herringbone ladder is changed into a straight ladder.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a ladder for building engineering, including main ladder, vice ladder, connecting rod and dead lever, main ladder includes that a plurality of terraces poles and symmetry fix the first bracing piece at terraces pole both ends, first bracing piece one side is equipped with the camera obscura, vice ladder includes that a plurality of terraces poles and symmetry fix the second bracing piece at terraces pole both ends, the bottom that second bracing piece is close to main ladder one side is equipped with the fixed block, the fixed block can be with camera obscura fixed connection, connecting rod one end is equipped with the one end rotation connection of adjacent one side of camera obscura with first bracing piece, the connecting rod other end and second bracing piece sliding connection, dead lever one end is connected with first bracing piece top rotation, the other end can be fixed in second bracing piece top.

Preferably, the second supporting rod is axially provided with a sliding rail, the connecting rod comprises a sliding end, and the sliding end is in sliding connection with the sliding rail.

Preferably, the slide rail includes an upper slot and a lower slot, and the sliding ends are respectively clamped between the upper slot and the lower slot.

Preferably, the camera obscura is provided with a first camera obscura and a second camera obscura, the bottom of the first camera obscura is connected with the top of the second camera obscura, and the fixing block can be clamped into the first camera obscura and can slide in the first camera obscura and the second camera obscura.

Preferably, still include the mounting, first camera obscura lower extreme is equipped with first fixed orifices, and the mounting can be with first fixed orifices fixed connection, and the slide rail is close to draw-in groove one end down and is equipped with the second fixed orifices, and the mounting can with second fixed orifices fixed connection.

(III) advantageous effects

The invention provides a ladder for constructional engineering, which comprises a main ladder, an auxiliary ladder, a connecting rod and a fixing rod, wherein the main ladder comprises a plurality of ladder rods and first supporting rods symmetrically fixed at two ends of the ladder rods, a hidden groove is formed in one side of each first supporting rod, the auxiliary ladder comprises a plurality of ladder rods and second supporting rods symmetrically fixed at two ends of each ladder rod, the number of the ladder rods is measured by the height actually used for the herringbone ladder, a fixing block is arranged at the bottom end, close to one side of the main ladder, of each second supporting rod and can be fixedly connected with the hidden groove, one end of the connecting rod is rotatably connected with the lower end of each first supporting rod, the other end of the connecting rod is slidably connected with the lower end of each second supporting rod, one end of the fixing rod is hinged to the top end of each first. This ladder for building engineering can solve the double ladder and highly problem and fixed strength problem when changing into a word ladder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 shows a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 shows a second schematic structural diagram of an embodiment of the present invention;

FIG. 3 shows a partial enlarged view of portion A of FIG. 2;

FIG. 4 shows a cross-sectional view of a-a of FIG. 3;

FIG. 5 shows a partial enlarged view of portion B of FIG. 2;

FIG. 6 shows a cross-sectional view of b-b of FIG. 5;

fig. 7 shows a schematic structural view of a connecting rod in an embodiment of the invention.

In the figure: the ladder comprises a main ladder 1, a first support rod 11, a hidden groove 111, a first hidden groove 1111, a second hidden groove 1112, a first fixing hole 12, a secondary ladder 2, a second support rod 21, a fixing block 211, a sliding rail 212, an upper clamping groove 2121, a lower clamping groove 2122, a second fixing hole 22, a ladder rod 3, a fixing rod 4, a connecting rod 5, a sliding end 51 and a fixing piece 6.

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.

Referring to the attached drawings 1-7, the invention discloses a ladder for building engineering, which comprises a main ladder 1, an auxiliary ladder 2, a fixed rod 4 and a connecting rod 5, wherein the main ladder 1 comprises a plurality of ladder bars 3 and first supporting rods 11 symmetrically fixed at two ends of the ladder bars 3, a hidden groove 111 is arranged at one side of each first supporting rod 11, the auxiliary ladder 2 comprises a plurality of ladder bars 3 and second supporting rods 21 symmetrically fixed at two ends of the ladder bars 3, the number of the ladder bars 3 is measured by the height actually used for the herringbone ladder, a fixed block 211 is arranged at the bottom end of one side, close to the main ladder 1, of each second supporting rod 21, the fixed block 211 can be fixedly connected with the hidden groove 111, one end of the connecting rod 5 is rotatably connected with the lower end of the first supporting rod 11, the other end of the connecting rod is slidably connected with the lower end of the second supporting rod 21, one end of the fixed rod 4 is hinged with the top end of.

Based on the scheme, the ladder for the construction engineering has two forms: herringbone ladders and straight ladders. When dead lever 4 and 21 top fixed connection of second bracing piece, connecting rod 5 keeps away from 11 one end of first bracing piece and slides on second bracing piece 21 pole to connecting rod 5 and when ground is parallel, this ladder for building engineering is the word ladder form. When dead lever 4 breaks away from second bracing piece 21 to when reaching the same axial with first bracing piece 11, moreover, remove whole vice ladder 2 to main ladder 1 direction, because the effect of connecting rod 5, vice ladder 2 can be mentioned, and in the fixed block 211 of vice ladder 2 bottom can imbed the camera obscura 111, this ladder for building engineering forms a word ladder state. This ladder for building engineering can solve the double ladder and highly problem and fixed strength problem when changing into a word ladder.

Referring to fig. 5, 6 and 7, the second support rod 21 is axially provided with a slide rail 212, and the connecting rod 4 includes a sliding end 51, and the sliding end 51 is slidably connected with the slide rail 212.

Further, the slide rail 212 includes an upper slot 2121 and a lower slot 2122, which are respectively disposed at two ends, the sliding end 51 can be respectively clamped to the upper slot 2121 and the lower slot 2122, and when the sliding end 51 is clamped to the upper slot 2121, the ladder for construction engineering is in a straight ladder shape; when the sliding end 51 is engaged with the lower engaging groove 2122, the ladder for construction engineering is in a herringbone ladder shape.

Referring to fig. 3 and 4, the hidden channel 111 is provided with a first hidden channel 1111 and a second hidden channel 1112, the bottom of the first hidden channel 1111 is connected with the top of the second hidden channel 1112, the fixing block 211 can be clamped into the first hidden channel 1111 and slide in the first hidden channel 1111 and the second hidden channel 1112, and when the bottom of the fixing block 211 is attached to the bottom of the second hidden channel 1112, the ladder for construction engineering is in a straight ladder shape.

In order to achieve a good fixing effect when the double ladder is folded, the double ladder further comprises a fixing part 6, a first fixing hole 12 is formed in the lower end of the first hidden groove 1111, the fixing part 6 can be fixedly connected with the first fixing hole 12, a second fixing hole 22 is formed in one end, close to the lower clamping groove 2122, of the sliding rail 212, the fixing part 6 can be fixedly connected with the second fixing hole 22, when the ladder for construction engineering is in a straight ladder shape, the fixing part 6 is fixedly connected with the first fixing hole 12, the auxiliary ladder 2 is firmly attached to the main ladder 1 under the action of the fixing part 6, fixing strength of the straight ladder shape is enhanced, when the ladder for construction engineering is the double ladder, the fixing part 6 is fixedly connected with the second fixing hole 22, and under the action of the fixing part 6, the sliding end 51 of the connecting rod 5 is fixedly connected with the lower clamping groove 2122, so that fixing strength of the double ladder shape is enhanced.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ladder for building engineering comprises a main ladder (1) and an auxiliary ladder (2), wherein the main ladder (1) comprises a plurality of ladder bars (3) and first support bars (11) symmetrically fixed at two ends of the ladder bars (3), the auxiliary ladder (2) comprises a plurality of ladder bars (3) and second support bars (21) symmetrically fixed at two ends of the ladder bars (3), and the ladder is characterized by further comprising connecting rods (5) and fixing rods (4);

a hidden groove (111) is formed in one side of the first support rod (11);

the bottom end of one side, close to the main ladder (1), of the second support rod (21) is provided with a fixed block (211), and the fixed block (211) can be fixedly connected with the hidden groove (111);

one end of the connecting rod (5) is rotatably connected with the lower end of the first supporting rod (11), and the other end of the connecting rod is slidably connected with the lower end of the second supporting rod (21);

one end of the fixed rod (4) is rotatably connected with the top end of the first supporting rod (11), and the other end of the fixed rod can be clamped with the top end of the second supporting rod (21).

2. A ladder as claimed in claim 1, characterized in that said second support bar (21) is axially provided with sliding rails (212), said connecting bar (5) comprising sliding ends (51), said sliding ends (51) being slidably connected to said sliding rails (212).

3. The ladder for construction engineering as claimed in claim 2, wherein the slide rail (212) comprises an upper slot (2121) and a lower slot (2122) and is respectively disposed at two ends of the slide rail (212), and the sliding end (51) is respectively engaged with the upper slot (2121) and the lower slot (2122).

4. A ladder as claimed in claim 3, wherein the camera (111) is provided with a first camera (1111) and a second camera (1112), the bottom of the first camera (1111) is connected to the top of the second camera (1112), and the fixing block (211) can be snapped into the first camera (1111) and slide in the first camera (1111) and the second camera (1112).

5. The ladder for the building engineering as claimed in claim 4, further comprising a fixing member (6), wherein a first fixing hole (12) is formed at the lower end of the first hidden groove (1111), the fixing member (6) can be fixedly connected with the first fixing hole (12), a second fixing hole (22) is formed at one end of the sliding rail (212) close to the lower clamping groove (2122), and the fixing member (6) can be fixedly connected with the second fixing hole (22).