Anti-collision type road central isolation pier

By setting fixed edges, limiting holes, and positioning post structures on the isolation piers, combined with bolt locking components, the buffer rubber sleeves can be quickly replaced, solving the problem of replacing the entire buffer layer after it is damaged in the existing technology, reducing the cost of use and maintaining a good buffering effect.

CN224048013UActive Publication Date: 2026-03-27梁毅
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The airbags or buffer layers of existing buffer barriers cannot be quickly replaced after minor impacts, resulting in high replacement costs and complex structures for the entire barrier, leading to high operating costs.

Method used

The structure features a fixed edge, limiting holes, and positioning pins, combined with a bolt locking mechanism, enabling quick disassembly and replacement of the buffer sleeve. The cushioning effect is ensured by the vent holes and the elastic support of the buffer strips, even in the event of a minor impact.

Benefits of technology

It enables quick replacement of the buffer sleeve after minor impacts, reducing replacement costs while maintaining good cushioning performance, preventing pedestrians and vehicles from getting scratched, and reducing damage to the traffic barriers.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224048013U_ABST
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Abstract

The utility model relates to the field of road facilities, and discloses an anti-collision type road central isolation pier which comprises a fixing base, a supporting pier is fixedly connected to the top of the fixing base, a limiting groove is formed in the top face of the fixing base, a fixing base is fixedly connected to the peripheral face of the fixing base, and a buffering rubber sleeve is slidably connected to the interior of the limiting groove. The buffer rubber sleeve comprises an outer rubber sleeve, the bottom end of the outer rubber sleeve is fixedly connected with a fixed edge, a limiting hole is formed in the fixed edge, and the top end of the fixed seat is detachably connected with a locking piece through a bolt. According to the utility model, the fixed edge, the limiting hole and the positioning column are arranged, so that the buffer rubber sleeve cannot be separated from and move from the interior of the limiting groove when the locking plate is pressed downwards, and therefore, after the road barrier is slightly impacted and the buffer rubber sleeve is damaged, the buffer rubber sleeve can be directly replaced, and the whole road barrier does not need to be replaced, so that the cost is saved; and the buffering effect is guaranteed, and the using effect is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road facilities field especially, it is a kind of anti-collision type road central bollard. BACKGROUND

[0002] Central bollard is an important element in road traffic facilities, mainly used to separate vehicles and pedestrians driving in opposite or same direction, to improve traffic safety and driving comfort. It is usually made of high-strength, durable materials such as concrete, reinforced concrete or glass steel, and its shape and size are customized according to road width, traffic flow and design requirements. By setting central bollard, traffic conflicts can be effectively reduced, and vehicles can be prevented from changing lanes or crossing the road randomly, thereby reducing the probability of traffic accidents.

[0003] Prior art, China patent publication number: CN222083418U discloses a kind of buffer type bollard structure, belongs to bollard facility technical field.The utility model includes bollard, the side of the bollard is equipped with vertical groove, the side of the vertical groove is fixedly connected with air bag, the side of the air bag is fixedly connected with connecting block, the utility model is first started motor, the output end of motor rotation drives rotating disc to rotate clockwise, rotating disc rotation drives frame to move inboard, frame moves inboard drives support block to move inboard, support block moves and drives clamping block to move inboard to make clamping block be fixed in the inside of clamping groove and fix illuminating lamp, when illuminating lamp battery is disassembled and replaced, direction operation can be carried out, when vehicle impacts anti-collision pad, anti-collision pad is extruded and drives connecting block to move to side, connecting block moves to side and extrudes air bag and damping rod to buffer anti-collision pad, when impact force disappears, damping rod drives anti-collision pad to reset, improve the stability of bollard, while avoid the problem that driver suffers greater harm.

[0004] The current buffer bollard avoids the damage caused by impact by setting extrusion air bag on the left and right, but the air bag or buffer layer used for buffering is damaged after the bollard is slightly impacted, which cannot be quickly replaced, resulting in the need to replace the entire bollard, high use cost, and the internal structure of the buffer layer is complex, high use cost, not suitable for large-scale promotion, therefore, an anti-collision type road central bollard is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an anti-collision type road central bollard, which aims to improve the problem that the air bag or buffer layer used for buffering in the prior art is damaged and cannot be quickly replaced, resulting in the need to replace the entire bollard, high use cost.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of anti-collision type road central bollard, including fixed base, the fixed base top is fixedly connected with support pier, the fixed base top surface is equipped with limiting recess, the fixed base outer surface is fixedly connected with fixed seat, the limiting recess inside is slidably connected with buffer rubber sleeve, the buffer rubber sleeve includes outer rubber sleeve, the outer rubber sleeve bottom end is fixedly connected with fixed brim, the fixed brim inside is equipped with limiting hole, the fixed seat top end is detachably connected with locking piece by bolt, the locking piece includes locking plate, the locking plate outer surface is fixedly connected with fixed plate, the locking plate bottom end is fixedly connected with locating column.

[0007] As further description of the above technical solution:

[0008] The buffer rubber sleeve further includes air hole, the air hole is arranged on the outer wall of the left and right sides of the outer rubber sleeve, and the inner side of the outer rubber sleeve is fixedly connected with a buffer rubber strip.

[0009] As further description of the above technical solution:

[0010] The outer periphery of the fixed brim is slidably connected inside the limiting recess, and the top surface of the fixed brim is in contact with the bottom surface of the locking plate.

[0011] As further description of the above technical solution:

[0012] The outer periphery of the locating column is slidably connected inside the limiting hole.

[0013] As further description of the above technical solution:

[0014] The outer periphery of the locking plate is slidably connected inside the limiting recess, and the bottom end of the locating column is in contact with the inner wall of the bottom end of the limiting recess.

[0015] As further description of the above technical solution:

[0016] The fixed plate is opposite to the position of the fixed seat, and the bottom surface of the fixed plate is detachably connected to the top surface of the fixed seat by bolt.

[0017] As further description of the above technical solution:

[0018] The outer wall of the buffer rubber sleeve is provided with a rounded corner.

[0019] As further description of the above technical solution:

[0020] The inner side of the buffer rubber strip is in contact with the left and right side walls of the support pier.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, through setting fixed edge, limiting hole and positioning column, when the locking plate is pressed down, the buffer rubber sleeve cannot separate from and move in the limiting groove, and through the alignment between the fixed plate and the fixed seat, locking is carried out by the bolt, so that the buffer rubber sleeve can be quickly replaced, so that when the barrier is slightly impacted, the buffer rubber sleeve can be directly replaced, the whole barrier does not need to be replaced, cost is saved, the buffering effect is ensured, and the use effect is good.

[0023] 2. In the utility model, the outer periphery of the buffer rubber sleeve is set as a fillet, so that pedestrians and vehicles are prevented from being scratched by sharp parts, and the buffer rubber strip and the air hole are arranged, so that the elasticity of the buffer rubber sleeve and the damping generated when air is compressed support and buffer the outer rubber sleeve, so that when some slight impact or splashing stones are faced, the damage of the support pier can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole front view schematic diagram of the anti-collision type road central barrier proposed in the utility model;

[0025] Figure 2 It is a whole separation schematic diagram of the anti-collision type road central barrier proposed in the utility model;

[0026] Figure 3 It is a fixed base top surface schematic diagram of the anti-collision type road central barrier proposed in the utility model;

[0027] Figure 4 It is a buffer rubber sleeve front view sectional schematic diagram of the anti-collision type road central barrier proposed in the utility model.

[0028] LEGEND:

[0029] 1, fixed base; 2, support pier; 3, limiting groove; 4, fixed seat; 5, buffer rubber sleeve; 51, outer rubber sleeve; 52, fixed edge; 53, limiting hole; 54, air hole; 55, buffer rubber strip; 6, locking piece; 61, locking plate; 62, fixed plate; 63, positioning column; 7, bolt. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] REFERENCE Figures 1-3The utility model provides an embodiment: a kind of anti-collision type road central bollard, fixed base 1 of fixed and bearing equipment is provided, fixed base 1 top is fixedly connected with the support pier 2 of providing center support, support pier 2 is made of cement, and the strength and hardness are higher, fixed base 1 top surface is provided with limit groove 3, fixed base 1 outer circumferential surface is fixedly connected with fixed seat 4, fixed seat 4 is provided with six groups, and one group is symmetrically arranged in front and back, and two groups are symmetrically arranged in left and right, buffer rubber sleeve 5 is slidably connected in limit groove 3, buffer rubber sleeve 5 is made of rubber, with certain elasticity and deformation ability, the outer wall of buffer rubber sleeve 5 transition surface is all set as fillet, prevent pedestrian or vehicle contact to produce scratch, buffer rubber sleeve 5 includes outer rubber sleeve 51, and outer rubber sleeve 51 bottom end is fixedly connected with fixed rim 52, and fixed rim 52 outer circumferential surface is slidably connected in the inside of limit groove 3, limit groove 3 limits that fixed rim 52 can only slide up and down on the inner wall of limit groove 3, limit hole 53 is set in the inside of fixed rim 52, and limit hole 53 is provided with four groups, and is respectively arranged at the four corners of fixed rim 52.

[0032] Referring to Figures 1-2 , fixed seat 4 top end is detachably connected with locking piece 6 by bolt 7, locking piece 6 includes locking plate 61, and the top surface of fixed rim 52 is in contact with the bottom surface of locking plate 61, and locking plate 61 presses fixed rim 52, and the outer circumferential surface of locking plate 61 is fixedly connected with fixed plate 62 for fixed connection, and fixed plate 62 is provided with six groups, and the position is opposite to the position of fixed seat 4, and the bottom end of locking plate 61 is fixedly connected with positioning column 63, and the outer circumferential surface of positioning column 63 is slidably connected in the inside of limit hole 53, so that fixed rim 52 cannot move, and the outer circumferential surface of locking plate 61 is slidably connected in the inside of limit groove 3, and the bottom end of positioning column 63 is in contact with the bottom end inner wall of limit groove 3, and the bottom surface of fixed plate 62 is detachably connected on the top surface of fixed seat 4 by bolt 7, and fixed plate 62 can be fixed or disassembled by rotating bolt 7.

[0033] Referring to Figure 1 And Figure 4 , buffer rubber sleeve 5 further includes air hole 54, and the air hole 54 is provided with several groups, and several groups of air holes 54 are set on the outer wall of the left and right sides of outer rubber sleeve 51, and the air hole 54 is used for balancing internal and external air pressure, and can discharge internal air when impacting, and the inner side of outer rubber sleeve 51 is fixedly connected with buffer rubber strip 55, and the buffer rubber strip 55 is provided with several groups, and is distributed on the inner side of outer rubber sleeve 51, and the inner side of buffer rubber strip 55 is in contact with the side wall of the left and right sides of support pier 2, and the outer rubber sleeve 51 is supported and buffered.

[0034] Working principle: when the buffer rubber sleeve 5 is desired to be conveniently replaced, the bolts 7 are removed, the locking member 6 is lifted, the positioning column 63 is slid out of the limiting hole 53, the buffer rubber sleeve 5 is taken out, the buffer rubber sleeve 5 is replaced, the damaged buffer rubber sleeve 5 can be quickly replaced, and the use cost is reduced. When the collision occurs, the impact force is transmitted from the outer rubber sleeve 51 to the buffer rubber strip 55, the buffer rubber strip 55 is deformed and generates elastic force, meanwhile, the outer rubber sleeve 51 is deformed and compresses the internal air, the internal air is discharged from the air hole 54, but the air hole 54 has low exhaust speed, the internal air is compressed and generates elastic force, thereby the impact is buffered.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A crashworthy median barrier of the type comprising a fixed base (1) characterised in that: The top of the fixed base (1) is fixedly connected with a supporting pier (2), the top surface of the fixed base (1) is provided with a limiting groove (3), the outer circumferential surface of the fixed base (1) is fixedly connected with a fixed seat (4), the limiting groove (3) is slidably connected with a buffer rubber sleeve (5), the buffer rubber sleeve (5) comprises an outer rubber sleeve (51), the bottom end of the outer rubber sleeve (51) is fixedly connected with a fixed edge (52), the inner part of the fixed edge (52) is provided with a limiting hole (53), the top end of the fixed seat (4) is detachably connected with a locking piece (6) through a bolt (7), the locking piece (6) comprises a locking plate (61), the outer circumferential surface of the locking plate (61) is fixedly connected with a fixed plate (62), and the bottom end of the locking plate (61) is fixedly connected with a positioning column (63).

2. The crashworthy median barrier according to claim 1, wherein: The buffer rubber sleeve (5) further comprises air holes (54) which are arranged on the left and right outer walls of the outer rubber sleeve (51), and the inner side of the outer rubber sleeve (51) is fixedly connected with a buffer rubber strip (55).

3. The crashworthy median barrier according to claim 1, wherein: The outer circumferential surface of the fixed edge (52) is slidably connected in the limiting groove (3), and the top surface of the fixed edge (52) is in contact with the bottom surface of the locking plate (61).

4. The crashworthy median barrier of claim 1, wherein: The outer circumferential surface of the positioning column (63) is slidably connected in the limiting hole (53).

5. The crashworthy median barrier of claim 1, wherein: The outer circumferential surface of the locking plate (61) is slidably connected in the limiting groove (3), and the bottom end of the positioning column (63) is in contact with the inner wall of the bottom end of the limiting groove (3).

6. A crashworthy median barrier according to claim 1, characterised in that: The fixed plate (62) is opposite to the fixed seat (4), and the bottom surface of the fixed plate (62) is detachably connected to the top surface of the fixed seat (4) through the bolt (7).

7. The crashworthy median barrier of claim 1, wherein: The outer wall of the buffer rubber sleeve (5) is provided with a round corner.

8. A crashworthy median barrier according to claim 2, wherein: The inner side of the buffer rubber strip (55) is in contact with the left and right side walls of the supporting pier (2).

Citation Information

Patent Citations

  • Buffer type road barrier structure

    CN222083418U