A-shaped ladder convenient to store

Abstract

The A-shaped ladder convenient to store comprises a top pedal assembly and a side edge support, a plurality of side rods and a connecting plate are arranged in the side edge support, the two ends of the connecting plate are rotatably connected to the side rods on the two sides, one side of each side rod is fixedly connected with a pedal connector, and one end of each pedal connector is rotatably connected with a pedal. One side of the side rod is provided with a side rod groove and a pedal fixing groove, one end of the pedal fixing groove is slidably connected with pedal fixing pins, one ends of the pedal fixing pins are fixedly connected with a synchronous plate, one end of the synchronous plate is fixedly connected with a first spring, one end of the first spring is slidably connected to the inner side of the side rod groove, and one end of the side rod groove is fixedly connected with a side edge cover plate. One end of the side cover plate is in threaded connection with a fixing bolt; the pedal fixing pins are retracted into the side rods, the pedal can rotate, the side rod on one side is pushed at the moment, the pedal and the two side rods are folded, the occupied width can be further reduced, further storage is achieved, and portability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to A type ladder technical field, especially A type ladder convenient to store. BACKGROUND

[0002] A type ladder, namely herringbone ladder, is a kind of climbing tool with unique structure and wide application. Its shape is similar to "person" character, A type ladder is widely applied in factory and mine, building, power and telecommunication and is important tool for construction personnel to climb and operate. Its design of liftable makes height adjustable, adapts to different working scenes. In addition, according to special demand, A type ladder can also be customized to meet the use requirement under special environment, although A type ladder can be simply folded, but still needs to occupy a large space when carrying and storing, which brings inconvenience to use.

[0003] Through the search, the patent with Chinese patent publication No. CN221546835U discloses a foldable herringbone ladder, which comprises a top plate, the top plate is provided with two, the two top plates are hinged, the lower end of each top plate is connected with two symmetrical side frames A, the side frames A are connected with foot pedal rods A, each side frame A is provided with a sliding groove, each sliding groove is connected with a placing groove provided on the side frame A, the inner wall of the placing groove is connected with a contact spring, the contact spring is connected with a clamping column, and the end of the clamping column close to the contact spring is connected with a pull-out column.

[0004] In view of the problem that the foot pedal rod is still perpendicular to the side frame after folding and needs to occupy a large space in the above-mentioned technology, therefore, the A type ladder convenient to store is provided. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model embodiment hopes to provide the A type ladder convenient to store to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial choice.

[0006] The technical scheme of the utility model embodiment is realized as follows: a top pedal assembly and a side support are included, the inside of the side support includes a plurality of side rods and connecting plates, the connecting plates are rotatably connected at both ends to the side rods, a pedal joint is fixedly connected to one side of the side rod, a foot pedal is rotatably connected to one end of the pedal joint, a side rod slot and a pedal fixing groove are opened on one side of the side rod, and a pedal fixing pin is slidably connected to one end of the pedal fixing groove.

[0007] In some embodiments, a plurality of the pedal fixing pins are fixedly connected at one end to a synchronization plate, the synchronization plate is fixedly connected at one end to a spring one, and the spring one is slidably connected at one end to the inside of the side rod slot.

[0008] In some embodiments, the side rod slot is fixedly connected at one end to a side cover plate, the side cover plate is threadedly connected at one end to a fixing bolt, and the fixing bolt is rotatably connected at one end to the synchronization plate.

[0009] In some embodiments, the connecting plate has a plurality of positioning holes at one end, the side rod has a plurality of reversing holes at one end, and the pedal fixing groove is fixedly connected with a sliding rod at one side.

[0010] In some embodiments, the sliding rod is slidingly connected with an adjusting bracket at one end, the adjusting bracket is fixedly connected with a plurality of limiting pins at one end, and the limiting pins and the sliding rod are fixedly connected with a second spring at one end.

[0011] In some embodiments, the top pedal assembly is fixedly connected with a mounting table at one end, and the mounting table and the side rod are fixedly connected with a plug rod at one end.

[0012] In some embodiments, the side rod has a plurality of L-shaped insertion grooves at one end.

[0013] In some embodiments, the L-shaped insertion grooves are fixedly connected with L-shaped insertion plates inside, and the L-shaped insertion plates are rotatably connected with a fixed horizontal rod at one end.

[0014] The embodiments of the utility model have the following advantages due to the adoption of the above technical scheme:

[0015] The utility model discloses a pedal fixing pin is retracted into the side rod, and the pedal can rotate, and the pedal and the two side rods are folded by pushing the side rod, so that the occupied width can be further reduced, further storage is realized, and portability is improved.

[0016] The pedal fixing pins on both sides can fix the pedal on both sides when the device is used, prevent rotation, and when storage is needed, the fixed bolt can be rotated, the spring I can pull back the synchronous plate and the pedal fixing pin into the slot of the side rod, and folding can be quickly realized.

[0017] The mounting table can be inserted into the slot in the side rod, the plug rod can be inserted into the opening of the mounting table and the side rod for fixation, and quick assembly and quick disassembly are realized.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent to those skilled in the art by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0020] Figure 1 It is a front view of the utility model.

[0021] Figure 2 The top pedal assembly installation structure view of the utility model.

[0022] Figure 3 The side rod disassembly structure view of the utility model.

[0023] Figure 4 The foot pedal installation structure view of the utility model.

[0024] Reference signs:

[0025] 1, top pedal assembly;2, side support;3, side rod;4, installation table;5, plug rod;6, side rod slot;7, fixed crossbar;8, pedal fixing pin;9, side cover plate;10, fixed bolt;11, synchronization plate;12, spring one;13, L slot;14, pedal fixing groove;15, pedal joint;16, foot pedal;17, reversing hole;18, connecting plate;19, positioning hole;20, sliding rod;21, adjusting support;22, limit pin;23, spring two;24, L plugboard. DETAILED DESCRIPTION

[0026] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0027] The embodiments of the utility model will be described in detail below with reference to the drawings. Embodiment 1

[0028] As Figures 1-4 Indicated, the A-type ladder convenient to store includes top pedal assembly 1 and side support 2, and the top pedal assembly 1 is composed of two opposite rotating top pedals, the inside of side support 2 includes multiple side rods 3 and connecting plates 18, and the connecting plate 18 is rotatably connected to both side rods 3 at both ends, the side rod 3 is fixedly connected with pedal joint 15 on one side, the pedal joint 15 is rotatably connected with foot pedal 16 on one end, the side rod 3 is provided with side rod slot 6 and pedal fixing groove 14 on one side, and the pedal fixing groove 14 is slidably connected with pedal fixing pin 8 on one end.

[0029] The A-type ladder is composed of four side supports 2 and one top pedal assembly 1, when folding is needed, after two groups of side supports 2 are combined, the top pedal assembly 1 is removed, two side rods 3 can be combined by rotating connecting plate 18, so that a lot of space can be saved by folding twice.

[0030] Then the pedal fixed pin 8 is withdrawn into the side rod 3, and the foot pedal 16 can rotate. At this time, push one side of the side rod 3, and fold the foot pedal 16 and the two side rods 3, which can further reduce the occupied width, achieve further storage, and improve portability.

[0031] In this embodiment, one end of the plurality of pedal fixed pins 8 is fixedly connected with a synchronous plate 11, one end of the synchronous plate 11 is fixedly connected with a spring 12, one end of the spring 12 is slidably connected inside the side rod slot 6, one end of the side rod slot 6 is fixedly connected with a side cover plate 9, one end of the side cover plate 9 is threadedly connected with a fixed bolt 10, and one end of the fixed bolt 10 is rotatably connected with the synchronous plate 11.

[0032] The pedal fixed pins 8 on both sides can fix the foot pedal 16 on both sides when the device is used to prevent rotation. When storage is needed, the fixed bolt 10 can be rotated, and the spring 12 pulls the synchronous plate 11 and the pedal fixed pin 8 back into the side rod slot 6, which can be quickly folded.

[0033] In this embodiment, the connecting plate 18 has two positioning holes 19 at one end, the side rod 3 has four reversing holes 17 at one end, and the pedal fixed slot 14 has a slide rod 20 fixedly connected on one side; the slide rod 20 has an adjusting bracket 21 slidably connected at one end, the adjusting bracket 21 has a plurality of limiting pins 22 fixedly connected at one end, and the limiting pins 22 and the slide rod 20 have springs 23 fixedly connected at one end.

[0034] When the angle of the side rod 3 needs to be fixed, the limiting pin 22 can be inserted through the positioning hole 19 into the corresponding reversing hole 17 to fix the angle of the side rod 3, and the device can be unfolded for use and folded for storage.

[0035] In this embodiment, the A-type ladder is composed of four side edge supports 2 and a top pedal assembly 1. When folding is needed, the two groups of side edge supports 2 are combined, and then the top pedal assembly 1 is removed. The two side rods 3 can be combined by rotating the connecting plate 18, which can be folded twice to save a lot of space.

[0036] Then the pedal fixed pin 8 is withdrawn into the side rod 3, and the foot pedal 16 can rotate. At this time, push one side of the side rod 3, and fold the foot pedal 16 and the two side rods 3, which can further reduce the occupied width, achieve further storage, and improve portability.

[0037] The pedal fixed pins 8 on both sides can fix the foot pedal 16 on both sides when the device is used to prevent rotation. When storage is needed, the fixed bolt 10 can be rotated, and the spring 12 pulls the synchronous plate 11 and the pedal fixed pin 8 back into the side rod slot 6, which can be quickly folded.

[0038] When the angle of the side rod 3 needs to be fixed, the limiting pin 22 can be inserted through the positioning hole 19 into the corresponding reversing hole 17 to fix the angle of the side rod 3, and the device can be unfolded for use and folded for storage. Embodiment 2

[0039] The A-shaped ladder is convenient to store, and the embodiment is improved on the basis of embodiment 1, as shown in Figures 1-4 ,

[0040] In the embodiment, one end of the top pedal assembly 1 is fixedly connected with a mounting table 4, the mounting table 4 and one end of the side rod 3 are fixedly connected with a plug rod 5, the mounting table 4 can be inserted into a slot in the side rod 3, and the plug rod 5 can be inserted into an opening of the mounting table 4 and the side rod 3 for fixation, so that quick assembly and quick disassembly are realized.

[0041] In the embodiment, the L-shaped slot 13 is fixedly connected with L-shaped plates 24 inside, a plurality of the L-shaped plates 24 are rotatably connected with a fixed cross rod 7 at one end, the fixed cross rod 7 can be inserted into the L-shaped slots 13 of different heights through the L-shaped plates 24 on both sides, so as to adjust the unfolding angle and height of the device during use.

[0042] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An A-frame ladder that is easy to store, comprising a top step assembly (1) and a side support (2), characterized in that: The side bracket (2) includes multiple side rods (3) and a connecting plate (18). The two ends of the connecting plate (18) are rotatably connected to the two side rods (3). A pedal connector (15) is fixedly connected to one side of the side rod (3). A foot pedal (16) is rotatably connected to one end of the pedal connector (15). A side rod slot (6) and a pedal fixing slot (14) are opened on one side of the side rod (3). A pedal fixing pin (8) is slidably connected to one end of the pedal fixing slot (14).

2. The easily foldable A-type ladder according to claim 1, characterized in that: One end of each of the multiple pedal fixing pins (8) is fixedly connected to a timing plate (11), and one end of the timing plate (11) is fixedly connected to a spring (12). One end of the spring (12) is slidably connected to the inside of the side rod slot (6).

3. The easily foldable A-type ladder according to claim 2, characterized in that: One end of the side rod slot (6) is fixedly connected to a side cover plate (9), one end of the side cover plate (9) is threadedly connected to a fixing bolt (10), and one end of the fixing bolt (10) is rotatably connected to a synchronization plate (11).

4. The easily foldable A-type ladder according to claim 1, characterized in that: The connecting plate (18) has multiple positioning holes (19) at one end, the side rod (3) has multiple reversing holes (17) at one end, and the pedal fixing groove (14) has a slide rod (20) fixedly connected to one side.

5. The easily foldable A-type ladder according to claim 4, characterized in that: One end of the slide rod (20) is slidably connected to an adjustment bracket (21), and one end of the adjustment bracket (21) is fixedly connected to a plurality of limit pins (22). The limit pins (22) and one end of the slide rod (20) are fixedly connected to a spring (23).

6. The easily foldable A-type ladder according to claim 4, characterized in that: The top pedal assembly (1) is fixedly connected to a mounting platform (4) at one end, and a plug rod (5) is fixedly connected to one end of the mounting platform (4) and the side rod (3).

7. The easily foldable A-type ladder according to claim 1, characterized in that: The side rod (3) has multiple L slots (13) at one end.

8. The easily foldable A-type ladder according to claim 7, characterized in that: The L slot (13) is fixedly connected to an L insert plate (24), and one end of each L insert plate (24) is rotatably connected to a fixed crossbar (7).

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