Antiskid herringbone ladder

Abstract

The utility model relates to an antiskid herringbone ladder. Comprising a supporting ladder, a climbing ladder and a ladder cap, the upper end of the supporting ladder is rotatably connected to the ladder cap, the upper end of the climbing ladder is fixedly connected to the ladder cap, the middle of the supporting ladder and the middle of the climbing ladder are connected through a pull rod, an A-shaped structure is formed among the supporting ladder, the climbing ladder, the ladder cap and the pull rod, and a supporting pad is arranged at the bottom of the supporting ladder. The bottom of the climbing ladder is rotatably connected with an anti-skid pad, and anti-skid grooves are formed in the bottom of the supporting pad and the bottom of the anti-skid pad. The supporting pad embedded under the supporting ladder is used for basic supporting, the rotatable anti-skid pad arranged under the climbing ladder is used for assisting supporting, and the supporting pad and the anti-skid pad are fastened in a screw locking mode, so that on one hand, the supporting pad and the anti-skid pad can be conveniently detached and replaced, and on the other hand, the supporting pad and the anti-skid pad are conveniently detached and replaced; on the other hand, an enough anti-skid effect can be provided to ensure enough safety of workers during use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of herringbone ladder, specifically relates to a antiskid herringbone ladder. BACKGROUND

[0002] Herringbone ladder as a common climbing tool has wide application in daily life and work, especially plays an important role in high-altitude operation scenes such as decoration, maintenance, and the structural principle of herringbone ladder is mainly based on the stability of triangle. When using, the front and rear ladder bars and the ground form an isosceles triangle, and this structure makes the herringbone ladder have excellent stability.

[0003] The conventional herringbone ladder is provided with rubber pads at the bottom to increase the friction between the herringbone ladder and the ground. With the increase of use time, the rubber pads are easy to loosen and fall off, so that the rubber pads lose the antiskid effect, and the herringbone ladder may also slide off due to sudden rubber falling off during use of the staff, causing safety hazards during use of the staff. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides an antiskid herringbone ladder, the support pad embedded under the support ladder is used for basic support, and the rotatable antiskid pad arranged under the climbing ladder is used for assisting support, and the support pad and the antiskid pad are fastened in the form of screw locking, on the one hand, the support pad and the antiskid pad can be conveniently disassembled and replaced, and on the other hand, sufficient antiskid effect can be provided to ensure that the staff is safe during use.

[0005] To achieve the above object, the utility model adopts the technical scheme that:

[0006] An antiskid herringbone ladder, including support ladder, climbing ladder and ladder cap, the upper end of the support ladder is rotatably connected on the ladder cap, the upper end of the climbing ladder is fixedly connected on the ladder cap, the support ladder and the climbing ladder are connected through the pull rod at the middle, an A-shaped structure is formed between the support ladder, the climbing ladder, the ladder cap and the pull rod, the bottom of the support ladder is provided with a support pad, the bottom of the climbing ladder is rotatably connected with an antiskid pad, and the bottom of the support pad and the antiskid pad is provided with an antiskid groove.

[0007] The upper end face of the antiskid pad is provided with a rotating column, the rotating column is provided with a screw hole, the bottom side wall of the climbing ladder penetrates a screw and is screwed in the screw hole, the bottom end of the climbing ladder is provided with a buffer arc part, and the upper end face of the antiskid pad keeps abutting on the buffer arc part during rotation.

[0008] The upper end surface of the support pad is provided with a fixing groove, and the bottom of the support ladder is fitted into the fixing groove; the upper end surface of the support pad is provided with a fixing column, and the fixing column is provided with a threaded hole; the bottom sidewall of the support ladder is provided with a lock hole matched with the threaded hole, and a screw is screwed into the threaded hole through the lock hole.

[0009] The anti-skid ladder has the following advantages: the ladder cap is fixedly connected to the top end of the climbing ladder, the top end of the support ladder is rotatably connected to the ladder cap, the support ladder is unfolded during use, the climbing ladder and the support ladder are in a herringbone structure, the sidewall of the support ladder is limited by the inner sidewall of the ladder cap, a pull rod is arranged between the support ladder and the climbing ladder to prevent the support ladder from being excessively unfolded, the structure of the ladder is in an A-shaped structure, the support ladder is a support structure and is not used for climbing, and the climbing ladder is longer than the support ladder and is convenient for climbing and applying force to the support ladder.

[0010] In order to ensure the support function of the support ladder, the bottom of the support ladder is embedded into the fixing groove of the support pad, the fixing column of the support pad is screwed into the threaded hole of the fixing column through the screw outside the support ladder, the support pad and the support ladder are tightly connected, the support pad can be conveniently disassembled and replaced, and the anti-skid groove at the bottom of the support pad can maximize the friction effect.

[0011] The anti-skid pad at the bottom of the climbing ladder needs to meet the anti-skid effect in the two use states, the anti-skid pad is fixed by screwing the screw outside the climbing ladder into the screw hole of the rotating column on the anti-skid pad through the rotating column, the screw is loosened before the ladder is used, the anti-skid pad can be adjusted at will, the buffer arc is arranged at the bottom of the climbing ladder, the upper end surface of the anti-skid pad can be kept abutting against the buffer arc during rotation, the support is kept and a larger rotation angle is provided, the anti-skid pad is kept completely attached to the ground after the ladder is unfolded or placed against the wall, a larger friction force is provided through the anti-skid groove of the anti-skid pad, then the screw is locked to fix the angle of the anti-skid pad, the anti-skid pad is kept stable during subsequent use, and the safety of the workers is ensured.

[0012] Further, the support pad is provided with a buffer pad, and the buffer pad is directed towards the climbing ladder and is in abutting connection with the climbing ladder.

[0013] Compared with the prior art, the utility model has the advantages that the support pad on the support ladder realizes the support force effect of the foundation, the longer climbing ladder is connected with the support ladder as the support main body, the rotatable anti-skid pad at the bottom of the climbing ladder can meet the adjustment of the ladder in the process of unfolding or folding more closely to the ground through the rotating form, the anti-skid pad is locked through the screw after the placement of the ladder is completed, displacement in the process of use is avoided, and the safe use of the staff working on it is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying the creative labor for the ordinary skilled in the art.

[0015] Figure 1 It is the three-dimensional view of the folding state of the utility model;

[0016] Figure 2 It is the three-dimensional view of the folding state of the utility model; Figure 1 It is the partial enlarged view of A of the three-dimensional view of the folding state of the utility model;

[0017] Figure 3 It is the three-dimensional view of the unfolding state of the utility model;

[0018] Figure 4 It is the three-dimensional view of the unfolding state of the utility model; Figure 3 It is the partial enlarged view of B of the three-dimensional view of the unfolding state of the utility model;

[0019] Figure 5 It is the partial enlarged view of C of the three-dimensional view of the unfolding state of the utility model; Figure 3 It is the partial enlarged view of C of the three-dimensional view of the unfolding state of the utility model;

[0020] Figure 6 It is the three-dimensional view of the support pad of the utility model;

[0021] Figure 7 It is the three-dimensional view of the anti-skid pad of the utility model.

[0022] 1, support ladder; 11, support pad; 12, anti-skid groove; 13, fixed groove; 14, fixed column; 141, screw hole; 15, lock hole; 16, buffer pad; 2, climbing ladder; 21, anti-skid pad; 22, rotating column; 221, screw hole; 23, screw; 24, buffer arc part; 3, ladder cap; 4, pull rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below. Obviously, the described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0024] The specific embodiments of the utility model will be described below in combination with the drawings:

[0025] As Figures 1-7 The utility model discloses a kind of antiskid ladders, including support ladder 1, climbing ladder 2 and ladder cap 3, the upper end of the support ladder 1 is rotatably connected on ladder cap 3, the upper end of the climbing ladder 2 is fixedly connected on ladder cap 3, the support ladder 1 and climbing ladder 2 intermediate place are connected by pull rod 4, the support ladder 1, climbing ladder 2, ladder cap 3 and pull rod 4 form a A-shaped structure between, the bottom of the support ladder 1 is equipped with support pad 11, the bottom of the climbing ladder 2 is rotatably connected with antiskid pad 21, the bottom of the support pad 11 and antiskid pad 21 is equipped with antiskid groove 12.

[0026] The upper end surface of the antiskid pad 21 is equipped with rotating column 22, the rotating column 22 is equipped with screw hole 221, the bottom side wall of the climbing ladder 2 is penetrated by screw 23 and is screwed in screw hole 221, the bottom end of the climbing ladder 2 is equipped with buffer arc part 24, the upper end surface of the antiskid pad 21 keeps abutting on buffer arc part 24 in the process of rotation.

[0027] The upper end surface of the support pad 11 is equipped with fixed groove 13, the bottom of the support ladder 1 is fitted in fixed groove 13;The upper end surface of the support pad 11 is equipped with fixed column 14, the fixed column 14 is equipped with screw hole 141, the bottom side wall of the support ladder 1 is equipped with lock hole 15 matched with screw hole 141, screw 23 is screwed on screw hole 141 by passing through lock hole 15.

[0028] Further, the support pad 11 is equipped with buffer pad 16, the buffer pad 16 is towards climbing ladder 2 and is abuttingly connected with climbing ladder 2.

[0029] The working mode of the utility model is described:

[0030] The anti-skid ladder with the structure is provided with a ladder cap 3 fixedly connected to the top of the climbing ladder 2, and the top of the supporting ladder 1 is rotatably connected to the ladder cap 3, so that the supporting ladder 1 is unfolded during use, and the climbing ladder 2 and the supporting ladder 1 are in the shape of a herringbone, the side wall of the supporting ladder 1 is limited by abutting against the inner side wall of the ladder cap 3, in order to avoid over-expansion of the supporting ladder 1, a pull rod 4 is arranged between the supporting ladder 1 and the climbing ladder 2 to pull, so that the structure of the ladder is in the shape of A, the supporting ladder 1 is a supporting structure and is not used for climbing, and the climbing ladder 2 is longer than the supporting ladder 1, so as to facilitate climbing and exerting force on the supporting ladder 1, since the climbing ladder 2 is used for climbing up and down, and the pull rod 4 is used for avoiding over-expansion, the structure is the prior art, and thus the detailed structure and how to use are not described in detail.

[0031] In order to ensure the supporting effect of the supporting ladder 1, the bottom of the supporting ladder 1 is embedded in the fixed groove 13 of the supporting pad 11, and the fixed column 14 on the supporting pad 11 is screwed into the threaded hole 141 on the fixed column 14 through the external screw 23 passing through the lock hole 15 on the supporting ladder 1, so as to realize the fastening connection of the supporting pad 11 and the supporting ladder 1, and facilitate disassembly and replacement, and the anti-skid groove 12 at the bottom of the supporting pad 11 can maximize the effect of increasing friction.

[0032] Since the ladder is used in the state of being unfolded to the shape of A, and the supporting ladder 1 and the climbing ladder 2 are folded and placed against the wall for use, the anti-skid pad 21 at the bottom of the climbing ladder 2 needs to satisfy the anti-skid effect in the two use states, so the anti-skid pad 21 is fixed by rotating the rotating column 22 on the anti-skid pad 21 through the external screw 23 passing through the climbing ladder 2 and being screwed into the screw hole 221 on the rotating column 22, before the ladder is used, the screw 23 can be loosened, so that the anti-skid pad 21 can be adjusted at will, in order to make the rotating angle larger, and to avoid the bottom of the climbing ladder 2 interfering with the rotation of the anti-skid pad 21, a buffer arc part 24 is arranged at the bottom of the climbing ladder 2, so that the upper end surface of the anti-skid pad 21 can abut against the buffer arc part 24 during rotation, supporting while providing a larger rotating angle, so that after the ladder is unfolded or folded and placed against the wall, the anti-skid pad 21 is kept in complete contact with the ground, a larger friction force is provided by the anti-skid groove 12 on the anti-skid pad 21, and then the screw 23 is locked to fix the angle of the anti-skid pad 21, so that the stability is maintained during subsequent use, and the safety of the workers is ensured.

[0033] In order to ensure that the support pad 11 will not cause damage to the ladder during the process of folding the ladder, the buffer pad 16 is arranged on the support pad 11, so that the buffer pad 16 can play a buffering role between the support pad 11 and the climbing ladder 2 during the folding process of the ladder, reduce the impact, and prolong the service life of the ladder.

[0034] The utility model discloses the beneficial effect lies in: through the support pad 11 on the support ladder 1 realizes the support force effect of foundation, and longer climbing ladder 2 is connected with the support ladder 1 as the support main part, and the rotatable antiskid pad 21 of climbing ladder 2 bottom can satisfy the more ground -hugging adjustment of ladder during the process of unfolding or folding through the form of rotation, and after the placement of ladder is completed, the antiskid pad 21 is locked through screw 23, avoids the displacement in the process of using, ensures the safe use of the staff on it.

[0035] The above embodiments are only used to illustrate the technical solutions of the utility model, and are not limited thereto; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A non-slip ladder, characterised in that: The application relates to a support ladder, a climbing ladder and a ladder cap, wherein the upper end of the support ladder is rotatably connected to the ladder cap, the upper end of the climbing ladder is fixedly connected to the ladder cap, the support ladder and the climbing ladder are connected through a pull rod at the middle part, an A-shaped structure is formed among the support ladder, the climbing ladder, the ladder cap and the pull rod, the bottom of the support ladder is provided with a support pad, the bottom of the climbing ladder is rotatably connected with an antiskid pad, and the bottom of the support pad and the antiskid pad is provided with an antiskid groove.

2. The non-slip ladder according to claim 1, wherein: The upper end surface of the antiskid pad is provided with a rotating column, the rotating column is provided with a screw hole, the bottom side wall of the climbing ladder is screwed into the screw hole, the bottom end of the climbing ladder is provided with a buffer arc part, and the upper end surface of the antiskid pad keeps abutting against the buffer arc part during rotation.

3. The non-slip ladder according to claim 2, wherein: The upper end surface of the support pad is provided with a fixing groove, and the bottom of the support ladder is matched with the fixing groove.

4. The non-slip ladder according to claim 3, wherein: The upper end surface of the support pad is provided with a fixing column, the fixing column is provided with a threaded hole, the bottom side wall of the support ladder is provided with a lock hole matched with the threaded hole, and a screw is screwed into the threaded hole through the lock hole.

5. The non-slip ladder according to claim 4, wherein: The support pad is provided with a buffer pad, the buffer pad faces the climbing ladder and is abuttingly connected with the climbing ladder.

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