Construction site protection device convenient to disassemble and assemble

Abstract

The utility model relates to the field of protective fences, in particular to a construction site protective device convenient to disassemble and assemble, which comprises protective fences and connecting pieces for connecting two adjacent protective fences, stand columns are arranged at the two ends of the protective fence respectively; the stand column is in a hollow circular tube shape, and an adjustable base mechanism is arranged at the lower end of the stand column. The connecting piece comprises a transversely-arranged connecting plate, connecting parts extending downwards are arranged at the two ends of the connecting plate respectively, limiting plates are installed on the outer sides of the two connecting parts respectively, the two limiting plates are the first limiting plate and the second limiting plate respectively, and the two limiting plates are in a U shape with opposite opening parts. Mounting grooves allowing the stand columns to penetrate through are formed between the limiting plates and the corresponding connecting parts, and the adjacent stand columns of the two protective fences are rotationally arranged in the two mounting grooves in a sleeved mode respectively. The stand columns on every two adjacent protective fences are rotationally arranged in the mounting grooves in the two ends of the corresponding connecting piece in a sleeved mode respectively, and the two protective fences can rotate relatively so that the two protective fences can be defined into different angles.

Description

Technical Field

[0001] This utility model relates to the field of guardrails, specifically to a construction site protection device that is easy to assemble and disassemble. Background Technology

[0002] Construction sites require appropriate safety measures, among which construction safety barriers are an important type of protective facility. Construction safety barriers can protect workers, passersby, and surrounding buildings from the impact of construction activities, effectively reducing unnecessary injuries and losses.

[0003] In the prior art, utility model patent application number CN202421312135.7 discloses a construction safety railing, including a baffle. A pair of fixing blocks are fixed to one side of the baffle, and each fixing block has a convex groove at one end. Two locking blocks are fixed to the inner walls of the upper and lower sides of the convex groove. A pair of mounting plates are fixed to the other side of the baffle, and one end of each mounting plate has a first rectangular hole. The fixing blocks are movably inserted into the first rectangular hole, and a locking mechanism is provided within the mounting plate. Through the coordinated use of these components, the problem of cumbersome installation and disassembly of construction safety railings is solved, allowing for quick assembly and disassembly.

[0004] However, the two guardrails in the above-mentioned construction safety railing can only be connected in a straight line, which makes it inconvenient to adjust the angle between the two guardrails and makes them inflexible in use, and needs to be improved. Utility Model Content

[0005] The purpose of this utility model is to provide a construction site protection device that is easy to assemble and disassemble, and to facilitate the adjustment of the angle between two guardrails, so as to solve the defects mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A construction site safety device that is easy to assemble and disassemble includes a guardrail and a connector for connecting two adjacent guardrails. Each guardrail has a post at both ends. Each post is a hollow cylindrical tube, and its lower end has an adjustable base mechanism. The connector includes a horizontally arranged connecting plate, with downwardly extending connecting portions at both ends. Limiting plates are installed on the outer sides of the two connecting portions. These two limiting plates are a first limiting plate and a second limiting plate, respectively. The two limiting plates are U-shaped with their openings facing each other. An installation groove is provided between the limiting plate and the corresponding connecting portion for the post to pass through. Adjacent posts of the two guardrails are rotatably fitted into the two installation grooves.

[0008] As a further improvement, the first limiting plate is provided with a semi-circular first arc-shaped part, and two parallel connecting arms are provided at both ends of the first arc-shaped part. The end of the connecting arm away from the first arc-shaped part is fixedly installed on the corresponding connecting part by bolts.

[0009] As a further improvement, the second limiting plate is provided with a semi-circular second arc-shaped portion, and the two ends of the second arc-shaped portion are provided with parallel long arms and short arms. The length of the long arm is greater than the length of the short arm. The long arm is slidably mounted on the corresponding connecting portion along its length direction. The corresponding connecting portion is also provided with a positioning hole for inserting one end of the short arm. The long arm is also provided with a limiting member for restricting the second limiting plate from moving away from the corresponding connecting portion.

[0010] As a further improvement, the limiting member includes an elastic plate, one end of which is fixedly mounted on the long arm, and the other end of which extends toward the second arcuate portion. The end of the elastic plate near the second arcuate portion is tilted away from the elastic plate. Correspondingly, the connecting portion is provided with a mounting hole through which the long arm and the elastic plate attached to the long arm pass, and the long arm is slidably mounted in the mounting hole.

[0011] As a further improvement, a stop block is fixedly installed at the end of the long arm away from the second arcuate portion to prevent the second limiting plate from falling off the corresponding connecting portion.

[0012] As a further improvement, the guardrail is provided with a horizontal bar fixedly installed between two posts, two of which are arranged vertically opposite each other, and multiple vertical bars are also fixedly installed between the two horizontal bars; the connector is connected to the post located between the two horizontal bars.

[0013] As a further improvement, the adjustable base mechanism includes a sealing head fixedly installed at the lower end of the column, a vertically extending screw screwed onto the sealing head, and a support base fixedly installed at the lower end of the screw screw.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The lower end of the column of this application is provided with an adjustable base mechanism. By rotating the screw, the distance between the support base and the lower end of the column can be adjusted, so as to make the guardrail level and install the guardrail on uneven terrain.

[0016] 2. The posts on two adjacent guardrails of this application are respectively rotatably fitted into the mounting grooves at both ends of the connector. The two guardrails can rotate relative to each other so that the two guardrails can be enclosed into different angles to meet various installation requirements of the guardrails.

[0017] 3. This application allows the elastic plate to be pressed and attached to one side of the long arm, so that the long arm and the elastic plate can pass through the mounting hole to the right at the same time, so that the second limiting plate can be moved to the right and away from the right side connection part, so that an opening is formed between the left end of the short arm and the right side connection part for the column to pass through, which facilitates the disassembly of the two guardrails. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the column according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the connector according to an embodiment of the present utility model;

[0022] Figure 4 This is a cross-sectional schematic diagram of the connector according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the short arm detaching from the right connecting part in an embodiment of this utility model.

[0024] In the diagram: 1-Guardrail; 2-Connector; 3-Post; 4-Horizontal bar; 5-Vertical bar; 6-Sealing head; 7-Screw; 8-Support base; 9-Connecting plate; 10-Connecting part; 11-First limiting plate; 12-Second limiting plate; 13-Mounting groove; 14-First arc-shaped part; 15-Connecting arm; 16-Second arc-shaped part; 17-Long arm; 18-Short arm; 19-Positioning hole; 20-Elastic plate; 21-Mounting hole; 22-Stop block. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0026] like Figures 1 to 5As shown, a construction site safety device that is easy to assemble and disassemble includes a guardrail 1 and a connector 2 for connecting two adjacent guardrails 1. The guardrail 1 includes two uprights 3 arranged opposite each other on the left and right. The uprights 3 are cylindrical. Two horizontal bars 4 arranged opposite each other on the top and bottom are welded between the two uprights 3. A plurality of vertical bars 5 are welded between the two horizontal bars 4 at even intervals.

[0027] The lower end of column 3 is equipped with an adjustable base mechanism, such as... Figure 2 As shown, the adjustable base mechanism includes a sealing head 6 fixedly installed at the lower end of the column 3 by bolts. The sealing head 6 has a vertically penetrating screw hole, and a vertically extending screw 7 is screwed into the screw hole. The lower end of the screw 7 is fixedly installed with a support base 8 by bolts. By rotating the screw 7, the distance between the support base 8 and the lower end of the column 3 can be adjusted, making it easy to level the guardrail 1 so that the guardrail 1 can be installed on uneven terrain.

[0028] like Figure 3 As shown, the connector includes a horizontally arranged connecting plate 9. The left and right ends of the connecting plate 9 are integrally bent to form downwardly extending connecting portions 10. Limiting plates are respectively installed on the outer sides of the two connecting portions 10. The two limiting plates are a first limiting plate 11 on the left and a second limiting plate 12 on the right. The two limiting plates are U-shaped with their openings facing each other. An installation groove 13 is provided between the limiting plates and the corresponding connecting portions 10 for the column 3 to pass through. Figure 1 As shown, the connector is positioned between the left and right guardrails 1. The right post 3 of the left guardrail 1 is rotatably fitted into the mounting groove 13 between the first limiting plate 11 and the left connecting part 10. The left post 3 of the right guardrail 1 is rotatably fitted into the mounting groove 13 between the second limiting plate 12 and the right connecting part 10. This allows the two guardrails 1 to rotate relative to each other, forming different angles to meet various installation requirements. Furthermore, the mounting grooves 13 at both ends of the connector are respectively fitted onto the post 3 between the two crossbars 4, preventing the connector from sliding up or down and falling off along the post 3.

[0029] The first limiting plate 11 has a semi-circular first arc-shaped portion 14. Two parallel connecting arms 15 extending to the right are integrally formed at both ends of the first arc-shaped portion 14. The two connecting arms 15 are of equal length. The right end of the connecting arm 15 is fixedly mounted to the connecting portion 10 on the left side by bolts, thereby restricting the connector to the post 3 of the left guardrail 1 and preventing the connector from being lost. In this embodiment, the inner diameter of the first arc-shaped portion 14 is the same as or slightly larger than the diameter of the post 3, and the length of the connecting arm 15 is the same as or slightly larger than the radius of the post 3, thereby reducing the movement space of the post 3 within the mounting groove 13 between the first limiting plate 11 and the corresponding connecting portion 10.

[0030] The second limiting plate 12 has a semi-circular second arc-shaped portion 16. Both ends of the second arc-shaped portion 16 are integrally formed with parallel, left-extending long arms 17 and short arms 18. The length of the long arm 17 is greater than the length of the short arm 18. The inner diameter of the second arc-shaped portion 16 is the same as or slightly larger than the diameter of the column 3. The lengths of both the long arm 17 and the short arm 18 are greater than the radius of the column 3. The long arm 17 is laterally slidably mounted on the connecting portion 10 on the right side along its length. The connecting portion 10 on the right side also has a positioning hole 19 for the left end of the short arm 18 to be inserted.

[0031] In use, the second limiting plate 12 is moved to the right and away from the right-side connecting part 10 along the length of the long arm 17, causing the short arm 18 to disengage from the connecting part 10 to the right. Figure 5 As shown, an opening is formed between the left end of the short arm 18 and the connecting part 10 on the right side for the post 3 of the right guardrail 1 to pass through, so that the post 3 can enter and exit the mounting groove 13 between the second limiting plate 12 and the right connecting part 10 through the opening between the short arm 18 and the connecting part 10, facilitating the assembly and disassembly of two adjacent guardrails 1; after the post 3 is placed into the mounting groove 13 between the second limiting plate 12 and the right connecting part 10 through the opening between the short arm 18 and the right connecting part 10, the second limiting plate 12 is then moved to the left and closer to the right connecting part 10, so that the left end of the short arm 18 is inserted into the positioning hole 19 on the right connecting part 10, as shown. Figure 4 As shown, this prevents the post 3 of the right guardrail 1 from coming out of the mounting groove 13 between the second limiting plate 12 and the right connecting part 10, thus achieving the connection function of the two guardrails 1.

[0032] The long arm 17 is also provided with a limiting member for restricting the movement of the second limiting plate 12 to the right and away from the right connecting part 10. The limiting member includes an elastic plate 20, one end of which is riveted to the inner side of the left end of the long arm 17, and the other end of which extends to the right and closer to the second arc-shaped part 16. The end of the elastic plate 20 near the second arc-shaped part 16 is raised away from the elastic plate 20. The right connecting part 10 is provided with a mounting hole 21 through which the long arm 17 and the elastic plate 20 attached to the long arm 17 pass. The long arm 17 is slidably mounted in the mounting hole 21.

[0033] After inserting the post 3 of the right-side guardrail 1 into the mounting groove 13 between the second limiting plate 12 and the right-side connecting part 10 through the opening between the short arm 18 and the right-side connecting part 10, move the second limiting plate 12 to the left and closer to the right-side connecting part 10, so that the left end of the short arm 18 is inserted into the positioning hole 19 on the right-side connecting part 10 to the right. The long arm 17 and the elastic plate 20 can pass through the mounting hole 21 to the left in one direction. When the elastic plate 20 has completely passed through the mounting hole 21 to the left, the right end of the elastic plate 20 will tilt away from the long arm 17, thereby blocking the long arm 17 and the second limiting plate 10. The second limiting plate 12 moves to the right and away from the right connecting part 10, and the post 3 of the right guardrail 1 is stably restricted in the mounting groove 13 between the second limiting plate 12 and the right connecting part 10; or the elastic plate 20 is pressed to fit against one side of the long arm 17, so that the long arm 17 and the elastic plate 20 can pass through the mounting hole 21 to the right at the same time, so that the second limiting plate 12 moves to the right and away from the right connecting part 10, so that an opening is formed between the left end of the short arm 18 and the right connecting part 10 for the post 3 to pass through, thereby realizing the separation of the two guardrails 1.

[0034] A stop 22 is fixedly installed on the outer side of the left end of the long arm 17 by screws to prevent the second limiting plate 12 from falling off the right connecting part 10. The stop 22 is located between the left and right connecting parts 10 to prevent the second limiting plate 12 from being lost.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A construction site protection device that is easy to assemble and disassemble, characterized by: The utility model provides a fence and connecting piece for connecting two adjacent fences, the fence comprises a fence (1) and a connecting piece (2) for connecting two adjacent fences (1), both ends of the fence (1) are provided with a stand (3), the stand (3) is a hollow circular tube, the lower end of the stand (3) is provided with an adjustable base mechanism, the connecting piece (2) comprises a transversely arranged connecting plate (9), both ends of the connecting plate (9) are provided with a downwardly extending connecting part (10), the outer sides of the two connecting parts (10) are respectively provided with a limiting plate, the two limiting plates are a first limiting plate (11) and a second limiting plate (12), the two limiting plates are U-shaped with the mouth parts oppositely arranged, the limiting plate and the corresponding connecting part (10) are provided with an installation slot (13) for the stand (3) to pass through, and the adjacent stands (3) of the two fences (1) are rotatably sleeved in the two installation slots (13) respectively.

2. A construction site protection device of claim 1, wherein: The first limiting plate (11) is provided with a semicircular first arc-shaped part (14), both ends of the first arc-shaped part (14) are provided with two parallel connecting arms (15), and one end of the connecting arm (15) away from the first arc-shaped part (14) is fixedly installed on the corresponding connecting part (10) by means of bolts.

3. A construction site protection device of claim 1, wherein: The second limiting plate (12) is provided with a semicircular second arc-shaped part (16), both ends of the second arc-shaped part (16) are provided with a long arm (17) and a short arm (18) arranged in parallel, the length of the long arm (17) is greater than that of the short arm (18), the long arm (17) is slidingly installed on the corresponding connecting part (10) along the length direction, the corresponding connecting part (10) is further provided with a positioning hole (19) for inserting one end of the short arm (18), and the long arm (17) is further provided with a limiting piece for limiting the second limiting plate (12) from moving away from the corresponding connecting part (10).

4. A construction site protection device of claim 3, wherein: The limiting piece comprises an elastic plate (20), one end of the elastic plate (20) is fixedly installed on the long arm (17), the other end of the elastic plate (20) extends towards the second arc-shaped part (16), one end of the elastic plate (20) close to the second arc-shaped part (16) is tilted away from the elastic plate (20), the corresponding connecting part (10) is provided with an installation hole (21) for the long arm (17) and the elastic plate (20) fitted on the long arm (17) to pass through together, and the long arm (17) is slidingly installed in the installation hole (21).

5. A construction site protection device of claim 4, wherein: One end of the long arm (17) away from the second arc-shaped part (16) is fixedly installed with a stop block (22) for preventing the second limiting plate (12) from falling off from the corresponding connecting part (10).

6. A construction site protection device of easy assembly and disassembly according to claim 1, characterized in that: The fence (1) is provided with a cross bar (4) fixedly installed between the two stands (3), two cross bars (4) are oppositely arranged on the upper and lower sides, a plurality of vertical bars (5) are further fixedly installed between the two cross bars (4), and the connecting piece (2) is connected to the stand (3) between the two cross bars (4).

7. A construction site protection device of easy assembly and disassembly according to claim 1, characterized in that: The adjustable base mechanism comprises a blocking head (6) fixedly installed at the lower end of the column (3), a vertically extending screw rod (7) is screwed on the blocking head (6), and a supporting base (8) is fixedly installed at the lower end of the screw rod (7).

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