PVC guardrail convenient to maintain and replace

Abstract

The PVC guardrail convenient to maintain and replace comprises an upper cross rod, the two ends of the upper cross rod are connected with symmetrically-arranged stand columns in a sliding mode, the lower ends of the two stand columns are connected with lower cross rods in a sliding mode, the surfaces of the upper ends and the lower ends of the two stand columns are provided with limiting grooves, and the lower ends of the inner walls of the two limiting grooves are connected with sleeves in a sliding mode. Springs are fixedly connected between the two sleeves and the tops of the limiting grooves, symmetrically-arranged clamping blocks are fixedly connected to the bottoms of the two sides of the two sleeves, a plurality of vertical rods are slidably connected to the upper transverse rod and the lower transverse rod, the vertical rods penetrate through the upper transverse rod and the lower transverse rod, and first limiting blocks are fixedly connected to the outer surfaces of the upper ends of the vertical rods. The guardrail has the advantages that the vertical rods, the vertical columns, the upper transverse rod and the lower transverse rod can be rapidly disassembled, assembled and maintained, meanwhile, the whole guardrail can be conveniently formed, therefore, rapid connection between guardrails is achieved, and the practicability of the guardrail is improved.

Description

Technical Field

[0001] The utility model relates to a PVC guardrail, in particular to a PVC guardrail which is easy to maintain and replace, and belongs to the technical field of guardrails. Background Art

[0002] PVC plastic-steel guardrail has much better strength than wood. Special-shaped steel is used to reinforce the crossbar and then covered with special PVC material, so that the guardrail has both the strength and aesthetic characteristics of steel. It has bright colors, smooth surface, high strength, strong toughness, corrosion resistance, anti-static, no fading, no cracking, and no brittleness. It has become the most decorative product and is suitable for the middle of urban roads. The clean and spacious streets complement each other, creating a beautiful landscape, adding luster to the city and taking high-grade urban construction to a new level.

[0003] Most of the existing PVC guardrails are fixed by bolts, which often makes disassembly and maintenance very cumbersome, resulting in low maintenance efficiency. In addition, it is not convenient to splice the guardrails together to form a large area of ​​guardrails. For this reason, we propose a PVC guardrail that is easy to maintain and replace. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art and to propose a PVC guardrail which is easy to maintain and replace.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The PVC guardrail designed for easy maintenance and replacement includes an upper cross bar, wherein both ends of the upper cross bar are slidably connected to symmetrically arranged columns, the lower ends of the two columns are slidably connected to the lower cross bar, the upper and lower end surfaces of the two columns are provided with limiting grooves, the lower ends of the inner walls of the two limiting grooves are slidably connected to sleeves, springs are fixedly connected between the two sleeves and the tops of the limiting grooves, the bottoms of the two sides of the two sleeves are fixedly connected to symmetrically arranged blocks, the upper cross bar and the lower cross bar are slidably connected to a plurality of vertical poles, and the plurality of vertical poles pass through the upper cross bar and the lower cross bar, the upper outer surfaces of a plurality of the vertical poles are fixedly connected to a first limiting block, and the first limiting block is located at the bottom of the upper cross bar, the lower outer surfaces of a plurality of the vertical poles are fixedly connected to a second limiting block, and the second limiting block is located at the top of the lower cross bar.

[0007] Preferably, two card slots are provided on the surfaces of both ends of the upper cross bar and the lower cross bar, and the card blocks are all stuck in the card slots.

[0008] Preferably, end covers are fixedly mounted on the tops of the two columns, and bases are fixedly mounted on the bottoms of the two columns.

[0009] Preferably, a plurality of grooves are formed on the outer surfaces of the plurality of sleeves.

[0010] Preferably, a connecting rod is fixedly connected to the outer surface of one side of several of the vertical poles.

[0011] The PVC guardrail that is easy to maintain and replace proposed by the utility model has the beneficial effects of: firstly, by pulling upwards or loosening the sleeve, and then by setting the spring, the limit groove, the clamping block and the clamping groove, the upright post and the upper cross bar and the lower cross bar can be quickly disassembled and assembled, and then when the upper cross bar and the lower cross bar are pulled out, the upright post can be pulled out quickly by the connecting rod, so that the upright post and the upper cross bar and the lower cross bar can be quickly disassembled and maintained, and at the same time, through the quick connection of the upper cross bar and the lower cross bar with the upright post and the upright post, a guardrail as a whole can be formed, which is convenient for realizing the quick connection between the guardrails and improves the practicality of the guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the PVC guardrail that is easy to maintain and replace proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the PVC guardrail pole that is easy to maintain and replace proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the upper crossbar structure of the PVC guardrail proposed by the utility model, which is easy to maintain and replace;

[0015] Figure 4 This is a schematic diagram of the structure of the PVC guardrail column that is easy to maintain and replace proposed by the utility model;

[0016] Figure 5 This is a schematic diagram of the cross-sectional structure of a PVC guardrail sleeve that is easy to maintain and replace, as proposed by the utility model.

[0017] In the figure: 1, upper cross bar 11, slot 2, column 201, limit slot 21, end cover 22, base 3, lower cross bar 4, sleeve 41, block 401, groove 5, spring 6, column 61, first limit block 62, second limit block 7, connecting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-5, a PVC guardrail that is easy to maintain and replace, includes an upper cross bar 1, two ends of the upper cross bar 1 are slidably connected with columns 2 that are symmetrically arranged, the lower ends of the two columns 2 are slidably connected with a lower cross bar 3, the upper and lower end surfaces of the two columns 2 are provided with limit grooves 201, the lower ends of the inner walls of the two limit grooves 201 are slidably connected with sleeves 4, the two sleeves 4 are fixedly connected to the tops of the limit grooves 201 with springs 5, the bottoms of both sides of the two sleeves 4 are fixedly connected with symmetrically arranged card blocks 41, the upper cross bar 1 and the lower cross bar 3 are slidably connected with a plurality of vertical rods 6, and the plurality of vertical rods 6 all penetrate the upper cross bar 1 and the lower cross bar 3, the upper outer surfaces of the plurality of vertical rods 6 are fixedly connected with a first limit block 61, and the first limit block 61 is located at the bottom of the upper cross bar 1, and the lower outer surfaces of the plurality of vertical rods 6 are fixedly connected with a second limit block 62, and the second limit block 62 is located at the top of the lower cross bar 3.

[0020] Furthermore, two slots 11 are provided on both ends of the upper crossbar 1 and the lower crossbar 3. The blocks 41 are all clamped in the slots 11, and when the blocks 41 are clamped in the slots 11, the column 2 can be fixed to the upper crossbar 1 and the lower crossbar 3.

[0021] Furthermore, end covers 21 are fixedly installed on the tops of the two columns 2 , and bases 22 are fixedly installed on the bottoms of the two columns 2 , and the bases 22 can support the columns 2 .

[0022] Furthermore, a plurality of grooves 401 are formed on the outer surfaces of the plurality of sleeves 4 , and the plurality of grooves 401 can achieve the effect of increasing resistance.

[0023] Furthermore, a connecting rod 7 is fixedly connected to the outer surface of one side of the plurality of upright poles 6 , and the plurality of upright poles 6 can be lifted up by the connecting rod 7 .

[0024] Working principle: When the PVC guardrail needs to be maintained or replaced, first pull the sleeve 4 upwards, so that the top of the sleeve 4 compresses the spring 5, and then the block 41 set at the bottom of the sleeve 4 will be disengaged from the card slot 11, and then the upper crossbar 1 and the lower crossbar 3 can be pulled out, and then the upper crossbar 1 is pulled upwards and pulled out along the upper end of the vertical rod 6, and then the lower crossbar 3 is pulled out along the lower end of the vertical rod 6, so that the vertical rod 6 can be replaced and maintained. When the PVC guardrail needs to be installed, first First, several vertical poles 6 are picked up through the connecting rod 7, and then the vertical poles 6 are passed through the upper cross bar 1, and then the upper cross bar 1 can be supported by the first limit block 61, and then the sleeve 4 is pulled upward to make the block 41 rise, and then the upper cross bar 1 and the lower cross bar 3 are inserted into the interior of the column 2, and the force of the spring 5 can make the block 41 be inserted into the slot 11, so as to fix the column 2 to the upper cross bar 1 and the lower cross bar 3, and the second limit block 62 can prevent the vertical pole 6 from sliding down and falling off.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PVC guardrail that is easy to maintain and replace, comprising an upper crossbar (1), characterized in that: The two ends of the upper cross bar (1) are slidably connected to symmetrically arranged upright posts (2), the lower ends of the two upright posts (2) are slidably connected to the lower cross bar (3), the upper and lower surfaces of the two upright posts (2) are provided with limiting grooves (201), the lower ends of the inner walls of the two limiting grooves (201) are slidably connected to sleeves (4), the two sleeves (4) are fixedly connected to the tops of the limiting grooves (201) with springs (5), and the bottoms of the two sides of the two sleeves (4) are fixedly connected to symmetrically arranged springs (6). The upper cross bar (1) and the lower cross bar (3) are slidably connected to a plurality of vertical rods (6), and the plurality of vertical rods (6) all penetrate the upper cross bar (1) and the lower cross bar (3); the upper outer surfaces of the plurality of vertical rods (6) are fixedly connected to a first limit block (61), and the first limit block (61) is located at the bottom of the upper cross bar (1); the lower outer surfaces of the plurality of vertical rods (6) are fixedly connected to a second limit block (62), and the second limit block (62) is located at the top of the lower cross bar (3).

2. The PVC guardrail that is easy to maintain and replace according to claim 1 is characterized in that: Two clamping grooves (11) are provided on the surfaces of both ends of the upper cross bar (1) and the lower cross bar (3), and the clamping blocks (41) are clamped in the clamping grooves (11).

3. The PVC guardrail that is easy to maintain and replace according to claim 1 is characterized in that: The tops of the two upright posts (2) are both fixedly mounted with end covers (21), and the bottoms of the two upright posts (2) are both fixedly mounted with bases (22).

4. The PVC guardrail that is easy to maintain and replace according to claim 1 is characterized in that: The outer surfaces of the plurality of sleeves (4) are each provided with a plurality of grooves (401).

5. The PVC guardrail that is easy to maintain and replace according to claim 1 is characterized in that: The outer surfaces of one side of a plurality of the vertical poles (6) are all fixedly connected with connecting rods (7).

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