Foldable ladder stand handrail for emergency security vehicle

Abstract

The utility model is applicable to the technical field of emergency security vehicles, and provides a foldable ladder stand handrail for an emergency security vehicle, which comprises a ladder stand and a handrail arranged on the ladder stand, the handrail is connected with the ladder stand through a folding assembly, the folding assembly comprises a base and a limiting piece arranged on the base, the base is of a hollow structure, and the limiting piece is arranged on the base. A notch is formed in one side of the limiting piece, a limiting column is fixedly installed on the limiting assembly, a sliding column is arranged in the base, a sliding hole is longitudinally formed in the sliding column, the limiting column penetrates through the sliding hole, a connecting piece is fixedly installed at the top end of the sliding column, and the diameter of the connecting piece is larger than that of the hollow structure of the base. The base is fixedly connected with the crawling ladder, and the connecting piece is fixedly connected with the handrail. When the handrail is used, the handrail can be completely erected only by lifting the handrail and sliding the sliding column into the hollow space of the base, the structure is simpler, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessory technical field, especially in an emergency guarantee car -used foldable ladder handrail. BACKGROUND

[0002] The emergency guarantee car is generally large in model and high in chassis, is generally equipped with a pull -out type ladder, and most of the pull -out type ladders are not provided with a ladder handrail due to the limited space of the chassis. Some ladders are provided with a ladder handrail, but the structure is relatively complex, such as a pull -out ladder with a handrail disclosed in patent announcement No. SUMMARY

[0003] In order to overcome the defects in the prior art, the utility model provides an emergency guarantee car -used foldable ladder handrail, which is composed of a ladder and a handrail installed on the ladder, the handrail and the ladder are connected through a folding assembly, the folding assembly comprises a base and a limiting piece arranged on the base, the base is a hollow structure, one side of the limiting piece is provided with a notch, a limiting column is fixedly installed on the limiting assembly, a sliding column is arranged in the base, a sliding hole is longitudinally arranged on the sliding column, the limiting column passes through the sliding hole, a connecting piece is fixedly installed at the top end of the sliding column, the diameter of the connecting piece is greater than that of the hollow structure of the base, the base is fixedly connected with the ladder, and the connecting piece is fixedly connected with the handrail.

[0004] In order to make the handrail shake less after being folded, the width of the notch is equal to the diameter of the sliding column.

[0005] In order to make the fixing effect of the folding assembly better, the base is fixedly installed in the ladder.

[0006] The utility model has the advantages that when the utility model is used, the handrail can be completely erected by only lifting the handrail and sliding the sliding column into the hollow space of the base, the structure is simpler, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0007] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0008] Fig. 1 is a structural schematic diagram of the folding assembly.

[0009] Fig. 2 is a structural schematic diagram of the folding assembly.

[0010] Fig. 3 is a sectional structural schematic diagram of the folding assembly.

[0011] In the drawing: ladder 1, handrail 2, folding assembly 3, connecting piece 4, limiting piece 5, limiting column 6, base 7, sliding column 8, notch 9, sliding hole 10. DETAILED DESCRIPTION

[0012] The present application will be described with respect to the following drawings in which the various embodiments of the application are illustrated. The drawings provided herein are intended to illustrate the general manner of construction and should not be construed as limiting the application. That is, the drawings are not necessarily drawn to scale exact scale and relative dimensions are intended to convey concepts more readily than an exact drawing could do.

[0013] In addition, the descriptions such as "first", "second", etc. in the present application are only for the purpose of description, and do not mean to particularly indicate the order or sequence, nor to limit the present application. They are merely used to distinguish components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0014] In Figs. 1 to 3The utility model provides a kind of foldable ladder handrail of emergency support vehicle, its composition includes ladder 1 and handrail 2 installed on ladder 1, the handrail 2 is connected between ladder 1 by folding assembly 3, the folding assembly 3 includes base 7 and limiting piece 5 being arranged on base 7, the base 7 is hollow structure, the limiting piece 5 is provided with notch 9 on one side, limiting column 6 is fixedly installed on the limiting piece 5, sliding column 8 is arranged in the base 7, sliding hole 10 is longitudinally arranged on the sliding column 8, the limiting column 6 passes through sliding hole 10, connecting piece 4 is fixedly installed on the top of sliding column 8, the diameter of connecting piece 4 is greater than the diameter of base 7 hollow structure, the base 7 is fixedly connected with ladder 1, and the connecting piece 4 is fixedly connected with handrail 2.

[0015] Further, the width of the notch 9 is equal to the diameter of the sliding column 8.

[0016] Further, the base 7 is fixedly installed in the ladder 1.

[0017] After pulling out the ladder 1 from the vehicle body, the handrail 2 is held and lifted upward, and then put down, at this time, the sliding column 8 slides into the hollow space of the base 7, at this time, the handrail 2 stands up. When folding the handrail 2, the handrail 2 is lifted upward, and then the handrail 2 is laid down in the direction of the notch 9.

[0018] The structure is simple in design, convenient in operation, and beneficial to the modification and installation on the existing ladder,

[0019] The above description is only an embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the scope of the claims of the utility model.

Claims

1. A foldable ladder-rail for emergency service vehicles, comprising a ladder (1) and a rail (2) mounted on the ladder (1), characterized in that: The handrail (2) is connected with the ladder (1) through a folding assembly (3), the folding assembly (3) comprises a base (7) and a limiting piece (5) arranged on the base (7), the base (7) is a hollow structure, one side of the limiting piece (5) is provided with a notch (9), the limiting piece (5) is fixedly installed with a limiting column (6), the base (7) is provided with a sliding column (8) inside, the sliding column (8) is longitudinally provided with a sliding hole (10), the limiting column (6) passes through the sliding hole (10), the top end of the sliding column (8) is fixedly installed with a connecting piece (4), the diameter of the connecting piece (4) is greater than the diameter of the hollow structure of the base (7), the base (7) is fixedly connected with the ladder (1), and the connecting piece (4) is fixedly connected with the handrail (2).

2. The foldable ladder stand of claim 1, wherein: The width of the notch (9) is equal to the diameter of the sliding column (8).

3. The foldable ladder stand of claim 1, wherein: The base (7) is fixedly installed in the ladder (1).

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