Protective device

By installing folded or curved panels between the guardrail and the concrete guardrail, and filling the gaps with adhesive, the problem of water corrosion was solved, and the corrosion resistance and aesthetics of the protective device were improved.

CN224063321UActive Publication Date: 2026-03-31LINFEN DAQING CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-30
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The small gaps between the existing guardrail panels and the concrete guardrails can easily lead to water corrosion, affecting the protective effect.

Method used

The panel adopts a folded or curved panel design, and the gap between it and the wall to be protected is defined by adhesive. It is made of polyvinyl chloride material layer and acrylonitrile-styrene-acrylate copolymer material layer as a whole board, with folded or curved edges to abut against the wall groove, expansion bolts are fixed and adhesive is injected to fill the gap.

Benefits of technology

It improves the corrosion resistance and aesthetics of the protected wall, prevents water from seeping into the gaps, and enhances the protective effect of the railing.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224063321U_ABST
    Figure CN224063321U_ABST
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Abstract

A protective device belongs to the technical field of guardrails. The protection device comprises a folded panel formed by pressing an integral plate, the folded panel comprises a plurality of panels which extend in the first direction and can be attached to a plurality of planes of a protected wall, and a first free edge of the folded panel forms a folded edge to abut against the protected wall or extend into a first groove formed in the wall face of the protected wall. The second free edge of the folded panel is used for abutting against the road surface or extending into a second groove formed along the road surface, and the folded edge of the folded panel is used for limiting an adhesive for bonding the folded panel and the protected wall in a gap formed by the folded panel and the protected wall. The protective device provided by the utility model can limit the adhesive in the gap formed by the folding panel and the protected wall, so that the corrosion resistance of the protected wall is further improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to a protective device, belonging to the technical field of guardrails. BACKGROUND

[0002] The Chinese utility model patent application with the publication number CN219011059U discloses a kind of anti-aging protective device plate, and the protective device plate includes plate body and ASA material layer that plate body surface composite supply, the plate body is attached to the "L" type structure on the concrete guardrail bottom along, and the outer surface of plate body is the supply surface of ASA material layer, the plate body is sequentially formed inclined plane and straight plane from top to bottom, the straight plane is vertically arranged, and the acute angle formed between inclined plane and horizontal plane is 50 °-60 °. First indentation for positioning and punching of expansion bolt is integrally formed on the outer plate surface of inclined plane close to top edge along horizontal direction, and second indentation for positioning and punching of expansion bolt is integrally formed on the outer plate surface of straight plane close to bottom edge along horizontal direction.

[0003] But the guardrail plate disclosed by the utility model is fixed on the concrete guardrail by expansion bolt, and small gap is formed between the guardrail plate and the concrete guardrail, so the water flowing from the small gap can still corrode the concrete guardrail. CONTENT OF UTILITY MODEL

[0004] To overcome the shortcomings of prior art, the present application aims to provide a protective device, which can limit the adhesive for bonding the folded panel and the protected wall in the gap formed by the folded panel and the protected wall, so as to further improve the corrosion resistance of the protected wall.

[0005] To achieve the application purpose, the utility model provides a protective device, which includes a folded panel pressed and formed by an integral plate, the folded panel includes multiple panels extending along a first direction and capable of being attached to the multiple planes of a protected wall, the first free edge of the folded panel forms a folded edge to abut against the protected wall or extend into a first groove opened from the wall surface of the protected wall, the second free edge of the folded panel abuts against the road surface or extends into a second groove opened along the road surface, and the folded edge of the folded panel is used to limit the adhesive for bonding the folded panel and the protected wall in the gap formed by the folded panel and the protected wall.

[0006] Preferably, the protected wall is a crash barrier.

[0007] Preferably, the crash barrier is a concrete guardrail.

[0008] Preferably, the adhesive is one or more of the following materials: water glass cement paste, cement paste, quick-setting agent cement paste and foam glue.

[0009] Preferably, the water glass includes sodium silicate component.

[0010] Preferably, the integral plate comprises a layer of polyvinyl chloride material and a layer of acrylonitrile-styrene-acrylate copolymer material.

[0011] Preferably, the folded panel is provided with a plurality of indentations for fixing expansion bolts.

[0012] Preferably, one side of the folded panel is provided with a connecting member for connecting two adjacent folded panels when the folded panels are installed on the protected wall.

[0013] Preferably, the folded panel comprises three panels.

[0014] To achieve the object of the present application, the present application further provides a protective device comprising an arc panel pressed from an integral plate, the arc panel also comprising two free edges, the first free edge comprising a folded edge for abutting against the protected wall or extending into a first arc-shaped groove opened from the wall surface of the protected wall, the second free edge of the arc panel abutting against the road surface or being inserted into a second arc-shaped groove opened along the road surface, the folded edge of the arc panel being used to limit the adhesive for bonding the arc panel and the protected wall within the gap formed by the arc panel and the protected wall.

[0015] Compared with the prior art, the present application has the following beneficial effects: by providing the folded edge capable of abutting against the protected wall or extending into the first groove or the first arc-shaped groove opened from the wall surface of the protected wall on the first free edge of the folded panel or the arc panel, the adhesive for bonding the folded panel and the protected wall is limited within the gap formed by the folded panel or the arc panel and the protected wall, the corrosion resistance of the protected wall is further improved, and the appearance is improved; at the same time, the folded panel is pressed from an integral plate, and there is no gap between the connected edges, so that water cannot enter, and the corrosion resistance of the protected wall is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the protective device provided by the present application;

[0017] Fig. 2 is a structural schematic view of the protective device provided by the present application adhered to the concrete guardrail. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0019] As Figs. 1-2As shown, the protective device provided by the utility model is formed by a foldable panel which is pressed from a whole plate, the foldable panel includes a plurality of panels which extend along a first direction and can be attached to a plurality of planes of the protected wall 8, a first free edge of the foldable panel forms a fold edge 4 to abut against the protected wall or extend into a first groove opened from the wall plane of the protected wall, a second free edge of the foldable panel abuts against the road surface or is inserted into a second groove opened along the road surface, and the fold edge 4 of the foldable panel is used to limit the adhesive 5 which is used to bond the foldable panel and the protected wall within the gap formed by the foldable panel and the protected wall. The first groove and the second groove extend along the first direction, and the first direction is a direction which is parallel to the planes of the protected wall and consistent with the extension of the road surface. Preferably, the foldable panel is matched with the shape of the outer surface of the protected wall, and when installed, the gap formed between the foldable panel and the wall surface of the protected wall is as small as possible, so that the adhesive can be saved, and meanwhile, the foldable panel can be more attached to the wall surface of the protected wall.

[0020] In the utility model, the protected wall is a crash barrier, and preferably, the crash barrier is a concrete guardrail.

[0021] In the utility model, the adhesive is one or more of the following materials: water glass cement slurry, cement slurry, quick-setting agent cement slurry and foam adhesive, and preferably, the water glass includes sodium silicate components.

[0022] In the utility model, the whole plate includes a layer of polyvinyl chloride material and a layer of acrylonitrile-styrene-acrylate copolymer material.

[0023] In the utility model, a plurality of indentations 6 for fixing expansion bolts 7 are arranged on the foldable panel, and the indentations 6 are preferably circular grooves.

[0024] In the utility model, one side of the foldable panel which is perpendicular to the first direction is provided with a connecting piece 9, and when a plurality of foldable panels are installed on the protected wall 8, the connecting piece is used to be connected to two adjacent foldable panels, and the connecting piece 9 is preferably embedded into a groove.

[0025] In the utility model, the length of each foldable panel along the first direction is reduced at the place where the protected wall has an arc-shaped corner, and a plurality of foldable panels are embedded and inserted, so that a protective device which is matched with the arc-shaped corner of the protected wall is formed. Alternatively, the foldable panel is replaced by an arc panel which is matched with the arc-shaped corner of the protected wall. The arc panel is also pressed from a whole plate. The arc panel also includes two free edges, a first free edge includes a fold edge to abut against the protected wall or extend into a first arc-shaped groove opened from the wall plane of the protected wall, and a second free edge of the arc panel abuts against the road surface or is inserted into a second arc-shaped groove opened along the road surface. The fold edge of the arc panel is used to limit the adhesive which is used to bond the arc panel and the protected wall within the gap formed by the arc panel and the protected wall.

[0026] The utility model discloses, the folding panel includes three panels, for example first panel 1, second panel 2 and third panel 3. The present application has been described with the example of the folding panel including three panels, but is not limited to three, so that the protection device can be adhered to the protected wall by adhesive, according to the shape of the facade of the protected wall, can be set up multiple, make the folding panel every face can be attached on the corresponding facade of the protected wall.

[0027] The utility model discloses, the folding panel has certain elasticity, when installing, through the expansion bolt 7, the folding panel is fixed on the protected wall, and the end of the folding panel including the folding edge is pried gently, and the adhesive is injected between the folding panel and the protected wall through the injection gun, and the adhesive is solidified and adheres to the protected wall, and fills the gap, so that water can not flow into the gap again, thereby the anticorrosive property of the protected wall is further improved, and the appearance is improved. Preferably, the gap formed between the folding edge of the first free end of the folding panel and the protected wall can be edged with a sealant. The gap formed between the folding edge of the second free end of the folding panel and the road surface can be edged with a sealant

[0028] It should be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0029] The terms "left", "right", "up", "down" and the like refer only to the left and right, up and down of the components in the drawings, and in actual application, the angle of installation is changed.

[0030] The basic principles and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate 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 claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A protective device, characterized in that It comprises a folded panel formed by pressing a single sheet, the folded panel comprising a plurality of panels extending in a first direction and conformable to a plurality of planes of a protected wall, a first free edge of the folded panel forming a folded edge to abut the protected wall or extend into a first recess formed in a wall plane of the protected wall, a second free edge of the folded panel to abut a road surface or extend into a second recess formed in the road surface, the folded edge of the folded panel to confine adhesive bonding the folded panel to the protected wall to a gap formed between the folded panel and the protected wall.

2. The guard of claim 1, wherein The protected wall is a crash barrier.

3. The guard of claim 2, wherein, The crash barrier is a concrete barrier.

4. The guard of claim 1, wherein The single sheet comprises a layer of polyvinyl chloride material and a layer of acrylonitrile-styrene-acrylate copolymer material.

5. The guard of claim 1, wherein, The folded panel is provided with a plurality of indentations for securing expansion bolts.

6. The guard of claim 4, wherein, One edge of the folded panel is provided with a connector for connecting adjacent folded panels when the folded panels are mounted to the protected wall.

7. The guard of any one of claims 1-6, wherein, The folded panel comprises three panels.

8. A protective device, characterized in that It comprises an arcuate panel formed by pressing a single sheet, the arcuate panel also comprising two free edges, a first free edge comprising a folded edge to abut the protected wall or extend into a first arcuate recess formed in a wall plane of the protected wall, a second free edge of the arcuate panel to abut a road surface or extend into a second arcuate recess formed in the road surface, the folded edge of the arcuate panel to confine adhesive bonding the arcuate panel to the protected wall to a gap formed between the arcuate panel and the protected wall.

Citation Information

Patent Citations

  • Anti-aging anti-collision wall guardrail plate

    CN219011059U