Protective fence

Through innovative design of support and protective components, the problems of adjusting the support length and assembling the guardrail have been solved, thereby improving the stability and protective effect of the guardrail.

CN224119428UActive Publication Date: 2026-04-14王海成
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
王海成
Filing Date
2025-03-17
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing guardrails are not convenient for flexible adjustment of support length and assembly connection, resulting in poor protective effect.

Method used

The design incorporates support and connection components, including a support frame, connecting slots, telescopic slides, extension plates, limiting base plates, fixing plates, and fixing knobs. The support length can be adjusted and fixed through mortise and tenon joints. Combined with telescopic connecting rods, shock-absorbing springs, buffer airbags, and wear-resistant rubber plates in the protective components, the protective effect is improved.

Benefits of technology

It achieves flexible adjustment of support length and stable connection, enhances the protective effect of the guardrail, reduces collision scratches and provides effective cushioning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a protective fence, and relates to the related technical field of road and bridge protective fences of municipal engineering, the protective fence comprises supporting assemblies, a connecting assembly is arranged between the supporting assemblies, protective assemblies are symmetrically arranged on the two sides of the connecting assembly, and each supporting assembly comprises a supporting frame. A through square hole is formed in the bottom of the supporting frame, the connecting assembly comprises connecting clamping grooves, the connecting clamping grooves are formed in the outer walls of the two sides of the top of the supporting frame, and connecting side plates matched with the connecting clamping grooves are arranged on the inner walls of the connecting clamping grooves. According to the protective fence, the distance between the connecting side plates can be conveniently controlled through sliding of the extension supporting plates in the telescopic sliding grooves, extension supporting is facilitated, the length of the extension supporting plates can be conveniently fixed through fixing rotary knobs, the supporting stability is improved, scratches generated by collision are reduced through wear-resisting rubber plates, and the collision is preliminarily buffered through buffering air bags; and a damping spring is convenient for further buffering the impact, so that the protection effect is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of road and bridge guardrails in municipal engineering, specifically a guardrail. Background Technology

[0002] Roads and bridges generally consist of several major parts, including roadbed, pavement, bridge, tunnel engineering, and traffic engineering facilities. Bridge railings are mainly used for the protection of the sides of highway bridges to prevent out-of-control vehicles from going off the bridge. They also have the functions of preventing vehicles from crossing, going under, or overturning bridges, as well as beautifying the bridge structure. However, the practicality of road and bridge railings is insufficient during use, so there is an urgent need for a new type of railing.

[0003] Currently, guardrails suffer from problems such as inconvenient adjustment of support length, difficulty in assembly and connection, and poor protective effect. Utility Model Content

[0004] The purpose of this utility model is to provide a guardrail to solve the problems mentioned in the background art, such as the inconvenience of flexibly adjusting the support length, the inconvenience of assembly and connection, and the poor protective effect of the guardrail.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a guardrail, including a support assembly, a connecting assembly between the support assemblies, and guardrails symmetrically arranged on both sides of the connecting assembly. Each support assembly includes a support frame with a through square opening at its bottom. The connecting assembly includes a connecting slot located on the top two outer walls of the support frame. A matching connecting side plate is provided on the inner wall of the connecting slot. A telescopic groove is provided on one side of the connecting side plate. An extension support plate is provided inside the telescopic groove. Limiting base plates are provided at both ends of the extension support plate, and the limiting base plates are slidably connected to the inner wall of the matching telescopic groove.

[0006] Preferably, the other side of the connecting side plate is provided with linearly distributed connecting protrusions, and the inner wall of the connecting slot is provided with a connecting groove adapted to the connecting protrusions. The connecting side plate is connected and fixed to the connecting slot by providing connecting protrusions. A fixing plate is provided at the top of one side of the connecting side plate. The fixing plate is provided with a fastening screw groove, and the fastening screw groove is also provided at the top of one side of the connecting side plate. The fastening screw groove is used to connect and fix the fixing plate to the connecting side plate by providing a fastening bolt adapted to it. The two adjacent connecting side plates are connected and fixed by providing a fixing plate, and the connecting side plates are symmetrically distributed.

[0007] Preferably, the protective assembly includes a telescopic link, one end of which is connected to the outer wall of the connecting side plate, and the other end of which is connected to the protective side plate. One end of the shock-absorbing spring is connected to the outer wall of the connecting side plate, and the other end of which is connected to the protective side plate. The shock-absorbing spring is sleeved on the outside of the telescopic link.

[0008] Preferably, the outer wall of the protective side plate is provided with a buffer airbag, and the outer wall of the buffer airbag is provided with a wear-resistant rubber plate.

[0009] Preferably, one of the protective side panels has a linearly distributed fixing slot on one side, and the other protective side panel has a fixing bolt adapted to the fixing slot. The two protective side panels are connected and fixed together by the fixing bolt and the fixing slot.

[0010] Preferably, the bottom of the support frame is provided with a support base, and the two sides of the support base are provided with mounting screw grooves. The mounting screw grooves are connected and fixed to the ground by mounting bolts that are adapted to them.

[0011] Preferably, a fixing screw groove is provided on the top of one side of the connecting side plate, and the fixing screw groove is connected and fixed to the extension support plate by a fixing knob that is adapted to it.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This guardrail uses a support frame to provide support for the connecting side panels, a support base to support the support frame, and mounting bolts to easily fix the support base to the road or bridge. Connecting slots allow for limiting the position of the connecting side panels, and the connecting protrusions and grooves form a mortise and tenon structure for further fixation. Fixing bolts pass through the fixing plate to easily fix the connecting side panels to the top of the support frame. The extension plate slides within the telescopic groove to easily control the distance between the connecting side panels and facilitates extending the support. A limiting base plate prevents the extension plate from falling out of the telescopic groove, and a fixing knob allows for easy fixing of the length of the extension plate, improving the stability of the support.

[0014] 2. This guardrail uses fixing bolts and fixing slots to form a mortise and tenon structure, which facilitates flexible connection of the protective side panels. The wear-resistant rubber plate reduces scratches caused by collisions, the buffer airbag facilitates initial cushioning of impacts, and the shock-absorbing spring facilitates further cushioning of impacts, which helps to improve the protective effect. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the protective component of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the connecting component of this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the support component of this utility model.

[0019] In the diagram: 1. Support assembly; 101. Support frame; 102. Support base; 103. Mounting screw groove; 104. Mounting bolt; 2. Connecting assembly; 201. Connecting slot; 202. Connecting side plate; 203. Connecting protrusion; 204. Connecting groove; 205. Fixing plate; 206. Fastening screw groove; 207. Fastening bolt; 208. Telescopic slide; 209. Extension support plate; 210. Limiting base plate; 211. Fixing screw groove; 212. Fixing knob; 3. Protective assembly; 301. Telescopic connecting rod; 302. Shock-absorbing spring; 303. Protective side plate; 304. Buffer airbag; 305. Wear-resistant rubber plate; 306. Fixing slot; 307. Fixing bolt. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4This utility model provides a technical solution: a guardrail, including a support component 1, a connecting component 2 between the support components 1, and protective components 3 symmetrically arranged on both sides of the connecting component 2. The support component 1 includes a support frame 101, with a through square opening at the bottom of the support frame 101 and a support base 102 at the bottom of the support frame 101. The support base 102 has mounting screw grooves 103 on both sides, which are fixed to the ground by mounting bolts 104 that are compatible with them. The connecting component 2 includes a connecting slot 201, which is formed on the top two outer walls of the support frame 101. The inner wall of the connecting slot 201 has a corresponding connecting slot. The connecting side plate 202 is adapted to a telescopic slide groove 208 on one side. An extension support plate 209 is installed inside the telescopic slide groove 208. Limiting base plates 210 are installed at both ends of the extension support plate 209. The limiting base plates 210 are slidably connected to the inner wall of the adapted telescopic slide groove 208. Connecting protrusions 203 are linearly distributed on the other side of the connecting side plate 202. A connecting groove 204, which matches the connecting protrusions 203, is opened on the inner wall of the connecting slot 201. The connecting side plate 202 is connected and fixed to the connecting slot 201 by the connecting protrusions 203. A fixing plate 205 is installed at the top of one side of the connecting side plate 202. The fixing plate 205 has... A fastening screw groove 206 is provided, and the fastening screw groove 206 is also formed on the top of one side of the connecting side plate 202. The fastening screw groove 206 is used to connect and fix the fixing plate 205 to the connecting side plate 202 by setting a matching fastening bolt 207. Two adjacent connecting side plates 202 are connected and fixed by setting a fixing plate 205, and the connecting side plates 202 are symmetrically distributed. A fixing screw groove 211 is provided on the top of one side of the connecting side plate 202. The fixing screw groove 211 is connected and fixed to the extension support plate 209 by setting a matching fixing knob 212. The support frame 101 provides support for the connecting side plate 202, and the support base 102 supports the support frame 101. Bolt 104 facilitates the installation and fixation of the support base 102 to the road and bridge. Connecting slot 201 facilitates the limiting of the connecting side plate 202. Connecting protrusion 203 and connecting groove 204 form a tenon and mortise structure for further fixation. Fixing bolts pass through fixing plate 205 to facilitate the installation and fixation of the connecting side plate 202 to the top of the support frame 101. Extending support plate 209 slides inside telescopic slide 208 to facilitate the control of the distance between connecting side plates 202 and to facilitate the extension of the support. Limiting base plate 210 prevents the extended support plate 209 from falling out of telescopic slide 208. Fixing knob 212 facilitates the fixing of the length of the extended support plate 209 and improves the stability of the support.

[0022] The protective component 3 includes a telescopic link 301, one end of which is connected to the outer wall of the connecting side plate 202, and the other end of which is connected to the protective side plate 303. A shock-absorbing spring 302 is connected to the outer wall of the connecting side plate 202, and the other end of which is connected to the protective side plate 303. The shock-absorbing spring 302 is sleeved on the outside of the telescopic link 301. A buffer airbag 304 is provided on the outer wall of the protective side plate 303, and a wear-resistant rubber plate 305 is provided on the outer wall of the buffer airbag 304. One side of one of the protective side plates 303 is provided with a... The linearly distributed fixing slots 306 and the other protective side plate 303 are provided with fixing bolts 307 that are adapted to the fixing slots 306. The two protective side plates 303 are connected and fixed by fixing bolts 307 and fixing slots 306. The fixing bolts 307 and fixing slots 306 facilitate the formation of a tenon and mortise structure, which makes it easy to flexibly connect the protective side plates 303. The wear-resistant rubber plate 305 reduces scratches caused by collisions, the buffer airbag 304 facilitates the initial buffering of impacts, and the shock-absorbing spring 302 facilitates further buffering of impacts, which helps to improve the protective effect.

[0023] Working principle: First, the support frame 101 provides support for the connecting side plate 202. The support base 102 supports the support frame 101. The mounting bolts 104 facilitate the installation and fixation of the support base 102 to the road / bridge. The connecting slot 201 limits the position of the connecting side plate 202. The connecting protrusion 203 and the connecting groove 204 form a tenon and mortise structure for further fixation. The fixing bolts pass through the fixing plate 205 to facilitate the installation and fixation of the connecting side plate 202 to the top of the support frame 101. The extension plate 209 slides inside the telescopic groove 208 to facilitate the control of the connecting side plate 202. The distance between them facilitates the extension of the support. The limiting base plate 210 prevents the extension support plate 209 from falling out of the telescopic slide groove 208. The fixing knob 212 makes it easy to fix the length of the extension support plate 209, improving the stability of the support. The fixing bolt 307 and the fixing groove 306 make it easy to form a tenon and mortise structure, which facilitates the flexible connection of the protective side plate 303. The wear-resistant rubber plate 305 reduces scratches caused by collisions. The buffer airbag 304 makes it easy to initially buffer the impact. The shock-absorbing spring 302 makes it easy to further buffer the impact, which helps to improve the protective effect. This completes the operation process of a guardrail.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective fence, characterized in that, The system includes a support assembly (1), a connecting side plate (202), and a shock-absorbing spring (302). A connecting assembly (2) is provided between the support assemblies (1). Protective assemblies (3) are symmetrically arranged on both sides of the connecting assembly (2). The support assembly (1) includes a support frame (101). A through square opening is provided at the bottom of the support frame (101). The connecting assembly (2) includes a connecting slot (201). The connecting slot (201) is opened on the top two outer walls of the support frame (101). A connecting side plate (202) is provided on the inner wall of the connecting slot (201). A telescopic slide (208) is provided on one side of the connecting side plate (202). An extension support plate (209) is provided inside the telescopic slide (208). Limiting base plates (210) are provided at both ends of the extension support plate (209). The limiting base plates (210) are slidably connected to the inner wall of the telescopic slide (208) that is adapted to them.

2. A protective fence according to claim 1, characterized in that: The other side of the connecting side plate (202) is provided with linearly distributed connecting protrusions (203). The inner wall of the connecting slot (201) is provided with a connecting groove (204) that matches the connecting protrusions (203). The connecting side plate (202) is connected and fixed to the connecting slot (201) by providing connecting protrusions (203). A fixing plate (205) is provided on the top of one side of the connecting side plate (202). A fastening screw groove (206) is provided on the fixing plate (205). The fastening screw groove (206) is also provided on the top of one side of the connecting side plate (202). The fastening screw groove (206) is connected and fixed to the fixing plate (205) and the connecting side plate (202) by providing a fastening bolt (207) that matches it. The two adjacent connecting side plates (202) are connected and fixed by providing fixing plates (205). The connecting side plates (202) are symmetrically distributed.

3. A protective fence according to claim 1, characterized in that: The protective component (3) includes a telescopic link (301), one end of which is connected to the outer wall of the connecting side plate (202), and the other end of which is connected to the protective side plate (303). One end of the shock-absorbing spring (302) is connected to the outer wall of the connecting side plate (202), and the other end of which is connected to the protective side plate (303). The shock-absorbing spring (302) is sleeved on the outside of the telescopic link (301).

4. A protective fence according to claim 3, characterized in that: The outer wall of the protective side plate (303) is provided with a buffer airbag (304), and the outer wall of the buffer airbag (304) is provided with a wear-resistant rubber plate (305).

5. A protective fence according to claim 3, characterized in that: One of the protective side panels (303) is provided with a linearly distributed fixing slot (306) on one side, and the other protective side panel (303) is provided with a fixing bolt (307) that is adapted to the fixing slot (306). The two protective side panels (303) are connected and fixed to each other by the fixing bolt (307) and the fixing slot (306).

6. A protective fence according to claim 1, characterized in that: The bottom of the support frame (101) is provided with a support base (102), and the two sides of the support base (102) are provided with mounting screw grooves (103). The mounting screw grooves (103) are connected and fixed to the ground by mounting bolts (104) that are adapted to them.

7. A protective fence according to claim 1, characterized in that: The top of one side of the connecting side plate (202) is provided with a fixing screw groove (211), and the fixing screw groove (211) is connected and fixed to the extension support plate (209) by a fixing knob (212) that is adapted to it.