Folding telescopic protective fence

Abstract

The utility model relates to a folding telescopic protective fence which comprises a bottom protective fence, a top protective fence is installed on the bottom protective fence in a sliding mode, a height limiting assembly inserted into the top protective fence to fix the position of the top protective fence is arranged on the bottom protective fence, and a guide assembly assisting opening and closing of the bottom protective fence is arranged at the bottom of the bottom protective fence. A hinge assembly is arranged on the side, away from the guide assembly, of the bottom guardrail, and a plug pin assembly for fixing the position of the bottom guardrail is arranged on the side, away from the hinge assembly, of the bottom guardrail. The top guardrail is installed on the bottom guardrail in a sliding mode, the height of the top guardrail can be adjusted, the top guardrail can adapt to different use environments, meanwhile, opening and closing are assisted through the directional wheels and the hinge assemblies, rapid opening is achieved, the structure is simple and efficient, use is safe and reliable, energy is saved, environment friendliness is achieved, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of guardrails, and particularly relates to a folding telescopic guardrail. BACKGROUND

[0002] At present, the guardrails of working platforms are usually fixed guardrails, or only have folding structures or telescopic structures, and have single functions, so they cannot meet complex working conditions. In the face of different working conditions, workers sometimes need to open the guardrails to facilitate personnel passing, sometimes need to close the guardrails to protect personnel safety, and sometimes need to lower the guardrails to a certain height to avoid obstacles above in narrow spaces, so as to play a certain protection function and avoid personnel or tools falling off the tooling table.

[0003] In summary, how to facilitate workers to quickly change the height of the guardrails, control the opening and closing of the guardrails, and improve work efficiency needs to design a multifunctional folding telescopic guardrail device which is stable and reliable. SUMMARY

[0004] In order to solve the above technical problems, the utility model provides a folding telescopic guardrail. The technical problems to be solved by the utility model are solved by adopting the following technical solutions:

[0005] A folding telescopic guardrail, comprising a bottom guardrail, a top guardrail is slidably installed on the bottom guardrail, a height limiting assembly is arranged on the bottom guardrail to insert into the top guardrail to fix the position of the top guardrail, a guide assembly is arranged on the bottom guardrail to assist the opening and closing of the bottom guardrail, a hinge assembly is arranged on one side of the bottom guardrail away from the guide assembly, and a bolt assembly is arranged on the other side of the bottom guardrail away from the hinge assembly to fix the position of the bottom guardrail.

[0006] The bottom guardrail comprises two first horizontal pipes which are arranged in parallel along the height direction, a plurality of first vertical pipes which are arranged in parallel along the horizontal direction to connect the two first horizontal pipes are arranged between the two first horizontal pipes, and the height limiting assembly is arranged on one of the first horizontal pipes.

[0007] The height limiting assembly comprises a tethered steel wire which is arranged on the first horizontal pipe and corresponds to the first vertical pipe, the tethered steel wire is connected with a quick-release pin which is inserted into the top guardrail to limit the position of the top guardrail, and the first vertical pipe is provided with a positioning hole which cooperates with the corresponding quick-release pin.

[0008] The top guardrail comprises a second horizontal rod, a second vertical pipe is arranged on the second horizontal rod and inserted into the first vertical pipe, and the second vertical pipe is provided with a limiting hole which is arranged along the height direction of the second vertical pipe and cooperates with the quick-release pin.

[0009] The utility model has the advantages of:

[0010] The utility model discloses a top guardrail is slidably installed on the bottom guardrail and can adjust height, can adapt to different use environment, and through directional wheel and hinge assembly auxiliary opening and closing quick open, simple and efficient structure, safe and reliable in use, energy -concerving and environment -protective, convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model is further illustrated below in combination with the drawings and examples.

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is the three-dimensional structure schematic diagram of the bottom guardrail of the utility model;

[0014] Figure 3 It is the three-dimensional structure schematic diagram of the top guardrail of the utility model;

[0015] Figure 4 It is the three-dimensional structure schematic diagram of the bolt assembly of the utility model.

[0016] As shown in the figure: 1, bottom guardrail;2, top guardrail;3, height limiting assembly;4, guide assembly;5, hinge assembly;6, bolt assembly;11, one horizontal pipe;12, one vertical pipe;13, positioning hole;14, skirting board;21, two horizontal rods;22, two vertical pipes;23, limiting hole;24, extension rod;31, tethered steel wire;32, quick release pin;41, mounting plate;42, directional wheel;43, self-locking nut;44, mounting seat;61, limiting pin;62, upper stop block;63, lower stop block;64, extension rod;65, clamping groove;66, auxiliary stop block. DETAILED DESCRIPTION

[0017] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be described more clearly and more completely below in combination with the drawings in the examples, and of course the described examples are only a part of the utility model but not all, based on this example, the technical personnel in the art obtain other examples without paying the creative labor, and all are within the protection scope of the utility model.

[0018] As Figures 1 to 4 Shown, a kind of folding telescopic guardrail, including bottom guardrail 1, the top guardrail 2 is slidably installed on the bottom guardrail 1, the bottom guardrail 1 is equipped with height limiting assembly 3 of insertion top guardrail 2 to fixed top guardrail 2 position, the bottom guardrail 1 bottom is equipped with the guide assembly 4 of auxiliary bottom guardrail 1 opening and closing, the bottom guardrail 1 is equipped with hinge assembly 5 in the side away from guide assembly 4, the bottom guardrail 1 is equipped with bolt assembly 6 in the side away from hinge assembly 5 of fixed bottom guardrail 1 position.

[0019] The bottom guardrail 1 comprises two No. 1 horizontal pipes 11 distributed in parallel along the height direction, and a plurality of No. 1 vertical pipes 12 distributed in parallel along the horizontal direction to connect the two No. 1 horizontal pipes 11 are arranged between the No. 1 horizontal pipes 11, and the height limiting assembly 3 is arranged on one of the No. 1 horizontal pipes 11.

[0020] The height limiting assembly 3 comprises a tethering steel wire 31 mounted on the No. 1 horizontal pipe 11 and corresponding to the No. 1 vertical pipe 12, the tethering steel wire 31 is connected with a quick release pin 32 inserted into the top guardrail 2 to limit the top guardrail 2, and the No. 1 vertical pipe 12 is provided with a positioning hole 13 matched with the corresponding quick release pin 32. Figure 1 As shown in the figure, the tethering steel wire 31 is mounted on the No. 1 horizontal pipe 11 close to the top guardrail 2, which can reduce the length of the steel wire and facilitate manual rapid positioning; the positioning hole 13 is arranged at the top of the No. 1 vertical pipe 12; the No. 1 horizontal pipe 11 away from the top guardrail 2 is provided with a kick plate 14 to protect the No. 1 horizontal pipe 11 and the worker.

[0021] The top guardrail 2 comprises a No. 2 horizontal rod 21, the No. 2 horizontal rod 21 is provided with a No. 2 vertical pipe 22 corresponding to the No. 1 vertical pipe 12 and inserted into the No. 1 vertical pipe 12, and the No. 2 vertical pipe 22 is provided with a limiting hole 23 distributed along the height direction of the No. 2 vertical pipe 22 and matched with the quick release pin 32; the limiting hole 23 is the same size as the positioning hole 13; by matching the quick release pin 32 with the limiting hole 23, the height of the No. 2 horizontal rod 21 can be adjusted to adapt to different working environments.

[0022] The No. 2 horizontal rod 21 is provided with an extension rod 24 extending downward to the same height as the No. 2 vertical pipe 22 at both ends; the extension rod 24 is matched with the No. 1 vertical pipe 12 on both sides to form a frame structure.

[0023] The guide assembly 4 comprises a mounting plate 41 fixed at the bottom of the bottom guardrail 1, and the mounting plate 41 is provided with a directional wheel 42; the guide assembly 4 is arranged on the No. 1 horizontal pipe 11 away from the top guardrail 2; the mounting plate 41 is provided with a mounting seat 44 for mounting the directional wheel 42, and the mounting plate 41 is provided with a plurality of self-locking nuts 43 for fixing the mounting seat 44.

[0024] The bolt assembly 6 comprises a limiting pin 61 slidingly mounted on the bottom guardrail 1, and further comprises an upper stop block 62 and a lower stop block 63 distributed in parallel along the height direction of the bottom guardrail 1, and the limiting pin 61 is provided with an extension rod 64 matched with the upper stop block 62 and the lower stop block 63; the bottom guardrail 1 is provided with an auxiliary stop block 66 slidingly matched with the limiting pin 61, and the top of the limiting pin 61 is provided with a ball head to prevent disengagement from the auxiliary stop block 66.

[0025] The upper stop block 62 and the lower stop block 63 are provided with clamping grooves 65 matched with the extension rod 64; when the extension rod 64 is matched with the clamping groove 65 of the lower stop block 63, the limiting pin 61 is inserted into the ground or the bottom to fix the position of the bottom guardrail 1; when the extension rod 64 is matched with the clamping groove 65 of the upper stop block 62, the limiting pin 61 is disengaged, and the bottom guardrail 1 or the top guardrail 2 is pushed to open and close under the assistance of the directional wheel 42 and the hinge assembly 5.

[0026] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A folding telescoping guardrail characterized by: The application relates to a bottom guardrail (1) which is provided with a top guardrail (2) slidingly installed thereon, a height-limiting assembly (3) arranged on the bottom guardrail (1) and inserted into the top guardrail (2) to fix the position of the top guardrail (2), a guide assembly (4) arranged at the bottom of the bottom guardrail (1) to assist the opening and closing of the bottom guardrail (1), a hinge assembly (5) arranged on one side of the bottom guardrail (1) away from the guide assembly (4), and a bolt assembly (6) arranged on the bottom guardrail (1) away from the hinge assembly (5) to fix the position of the bottom guardrail (1).

2. The folding telescoping guardrail according to claim 1, wherein: The bottom guardrail (1) comprises two first horizontal pipes (11) which are arranged in parallel along the height direction, and a plurality of first vertical pipes (12) which are arranged in parallel along the horizontal direction and are used for connecting the two first horizontal pipes (11), and the height-limiting assembly (3) is arranged on one of the first horizontal pipes (11).

3. The folding telescoping guardrail according to claim 1, wherein: The height-limiting assembly (3) comprises a tethering steel wire (31) which is arranged on the first horizontal pipe (11) and corresponds to the first vertical pipe (12), and the tethering steel wire (31) is connected with a quick-release pin (32) which is inserted into the top guardrail (2) to limit the position of the top guardrail (2), and the first vertical pipe (12) is provided with a positioning hole (13) which cooperates with the corresponding quick-release pin (32).

4. A folding telescoping guardrail according to claim 3, wherein: The top guardrail (2) comprises a second horizontal rod (21), and the second horizontal rod (21) is provided with a second vertical pipe (22) which corresponds to the first vertical pipe (12) and is inserted into the first vertical pipe (12), and the second vertical pipe (22) is provided with a limiting hole (23) which is arranged along the height direction of the second vertical pipe (22) and cooperates with the quick-release pin (32).

5. A folding telescoping guardrail according to claim 4, wherein: The second horizontal rod (21) is provided with an extension rod (24) which extends downward to the same height as the second vertical pipe (22) at both ends of the second horizontal rod (21).

6. The foldable telescoping guardrail according to claim 1, wherein: The guide assembly (4) comprises a mounting plate (41) which is fixed at the bottom of the bottom guardrail (1), and the mounting plate (41) is provided with a directional wheel (42).

7. The foldable telescoping guardrail according to claim 1, wherein: The bolt assembly (6) comprises a limiting pin (61) which is slidingly installed on the bottom guardrail (1), and further comprises an upper stop block (62) and a lower stop block (63) which are arranged in parallel along the height direction of the bottom guardrail (1), and the limiting pin (61) is provided with an extension rod (64) which cooperates with the upper stop block (62) and the lower stop block (63).

8. A folding telescoping guardrail according to claim 7, wherein: The upper stop block (62) and the lower stop block (63) are provided with a clamping groove (65) which cooperates with the extension rod (64).

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