Field construction fence device convenient to stretch and expand

The expandable construction site barrier system addresses the inflexibility and inefficiency of fixed-length barriers by using a mechanism with limit rods and dual screws for adjustable length and easy assembly, improving construction efficiency.

CN223104295UActive Publication Date: 2025-07-15CHINA CONSTR SECOND ENG BUREAU LTD
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Patent Information

Application Number
CN202422316673.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-15
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing construction fence device has a fixed length, which cannot meet the diverse length needs, and is time-consuming and laborious to disassemble and assemble, affecting construction efficiency.

Method used

A construction fence device including a stretching assembly and a support assembly is designed, and the expansion of the fence is achieved through a stretching assembly composed of a limiting plate, a bidirectional screw, a bevel gear, a shaking handle, etc., and the support assembly of the cross-string rod and a universal wheel is reinforced and moved.

Benefits of technology

It realizes convenient expansion and expansion of fences, improves the scope of application and disassembly and assembly efficiency of the construction area, and reduces operating time and labor intensity.

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Abstract

The utility model discloses a field construction fence device convenient to stretch and expand, which comprises a bottom plate, two vertical shafts are fixedly mounted at the top of the bottom plate, a same top plate is fixedly mounted at the top ends of the two vertical shafts, connecting blocks are rotatably mounted on the two vertical shafts, and storage boxes are fixedly mounted on the two connecting blocks. The sides, away from each other, of the two storage boxes are each of an opening structure and provided with a stretching assembly, and the two stretching assemblies are each provided with a moving box. The fence is reasonable in design, the two-way screw can be driven to rotate by rotating the transverse shaft according to the actual length on site, then the two moving blocks are controlled to be close to each other, the telescopic frames push the moving boxes to be away from the storage box, expansion installation of the fence is completed, the two telescopic frames can be controlled to form a corner according to needs, the application range of the fence is widened, and the practicability is high. And the movable box can be supported and reinforced, the movable box can be conveniently moved, time and labor are saved, and the disassembly and assembly efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction protection, in particular to a on-site construction enclosure device which is convenient for telescopic expansion. Background Technique

[0002] Building construction refers to the production activities in the implementation stage of project construction, which is the construction process of various buildings. It can also be said to be the process of turning the various lines on the design drawings into physical objects at the designated location. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. The place where construction operations are carried out is called the "building construction site" or "construction site", also known as the construction site. When constructing on-site, it is often necessary to set up an enclosure device around the construction area. The enclosure device mostly appears in the form of a fence and needs to be gradually spliced during use. The existing enclosures generally have a fixed length, which is not convenient to meet the diverse length requirements of the construction area environment, and it is time-consuming and laborious to disassemble and assemble the enclosures, affecting the construction efficiency.

[0003] Therefore, we propose a on-site construction enclosure device which is convenient for telescopic expansion to solve the above problems. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a on-site construction enclosure device which is convenient for telescopic expansion, and solves the problems that the general length of the enclosure is fixed, it is not convenient to meet the diverse length requirements of the construction area environment, and it is time-consuming and laborious to disassemble and assemble the enclosure, affecting the construction efficiency.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: A on-site construction enclosure device which is convenient for telescopic expansion, including a bottom plate. Two vertical shafts are fixedly installed at the top of the bottom plate. The top ends of the two vertical shafts are fixedly installed with the same top plate. Connecting blocks are rotatably installed on the two vertical shafts. Storage boxes are fixedly installed on the two connecting blocks. One side of each of the two storage boxes facing away from each other is an open structure and is provided with an extension assembly. Moving boxes are arranged on the two extension assemblies. The extension assembly is used to control the telescopic movement of the moving box. Support assemblies for support and reinforcement are arranged on the two moving boxes.

[0008] Preferably, the stretching component includes a limit plate, a bidirectional screw, a first bevel gear, a horizontal shaft, a second bevel gear, a crank, two moving blocks, two first hinge seats, a telescopic frame, a sliding rod, two sliding sleeves and two second hinge seats. The limit plate is fixedly installed in the corresponding storage box. The bidirectional screw is rotatably installed on the inner wall of the top of the storage box. The bottom end of the bidirectional screw rotatably penetrates through the limit plate. The first bevel gear is fixedly installed at the bottom end of the bidirectional screw. The horizontal shaft is rotatably installed on the front side wall of the storage box. The second bevel gear is fixedly installed at the rear end of the horizontal shaft and meshes with the first bevel gear. The crank is fixedly installed at the front end of the horizontal shaft. The two moving blocks are both threadedly installed on the bidirectional screw and are symmetrically distributed. The two first hinge seats are respectively fixedly installed on the two moving blocks. The telescopic frame is rotatably installed on the two first hinge seats. The sliding rod is fixedly installed in the moving box. The two sliding sleeves are both slidably installed on the sliding rod. The two second hinge seats are respectively fixedly installed on the two sliding sleeves and are rotatably connected to the telescopic frame.

[0009] Preferably, a guide rod is fixedly installed on the top of the limit plate. The two moving blocks are both slidably installed on the guide rod.

[0010] Preferably, support blocks are fixedly installed at the bottoms of the two moving boxes. The bottom ends of the bottom plate and the two support blocks are rotatably installed with first universal wheels.

[0011] Preferably, the support component includes two cross braces, two vertical rods and two second universal wheels. The two cross braces are respectively fixedly installed on the front and rear sides of the moving box. The two vertical rods are respectively fixedly installed at the bottoms of the two cross braces. The two second universal wheels are respectively rotatably installed at the bottom ends of the two vertical rods.

[0012] Preferably, a U-shaped connecting plate is fixedly installed on the right side of the right moving box. A connecting head is fixedly installed on the left side of the left moving box. Connecting holes are formed in both the U-shaped connecting plate and the connecting head.

[0013] Preferably, reflective warning stickers are fixedly installed on the front, rear, left and right sides of the two storage boxes and the two moving boxes.

[0014] (III) Beneficial effects

[0015] The utility model provides a on-site construction enclosure device which is convenient for telescopic expansion. It has the following beneficial effects:

[0016] (1). The on-site construction enclosure device that is convenient for telescopic expansion can, by using the expansion assembly composed of a limit plate, a bidirectional screw, a first bevel gear, a horizontal shaft, a second bevel gear, a crank, two moving blocks, two first hinge seats, a telescopic frame, a sliding rod, two sliding sleeves and two second hinge seats, according to the actual length on-site, drive the bidirectional screw to rotate by rotating the horizontal shaft, and then control the two moving blocks to approach each other, so that the telescopic frame pushes the moving box away from the storage box to complete the expansion installation of the enclosure, and can, according to needs, control the two telescopic frames to form an angle to increase the applicable range of the enclosure.

[0017] (2). The on-site construction enclosure device that is convenient for telescopic expansion can, by using the support assembly composed of two cross braces, two vertical rods and two second universal wheels, support and reinforce the moving box, and facilitate the movement of the moving box, saving time and effort and improving the disassembly and assembly efficiency. Description of the Drawings

[0018] Figure 1 Schematic three-dimensional structure of the present utility model Figure 1 ;

[0019] Figure 2 Schematic cross-sectional structure of the front view of the present utility model;

[0020] Figure 3 is Figure 2 Enlarged schematic view of part A in

[0021] Figure 4 Schematic three-dimensional structure of the present utility model Figure 2 .

[0022] In the figure: 1, bottom plate; 2, vertical shaft; 3, top plate; 4, connecting block; 5, storage box; 6, moving box; 7, limit plate; 8, bidirectional screw; 9, first bevel gear; 10, horizontal shaft; 11, second bevel gear; 12, crank; 13, moving block; 14, first hinge seat; 15, telescopic frame; 16, sliding rod; 17, sliding sleeve; 18, second hinge seat; 19, guide rod; 20, support block; 21, first universal wheel; 22, cross brace; 23, vertical rod; 24, second universal wheel; 25, U-shaped connecting plate; 26, connector; 27, reflective warning sticker. Detailed Description of the Preferred Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] As shown Figures 1-4 in the figure, the present utility model provides a technical solution: a on-site construction enclosure device that is convenient for telescopic expansion, including a bottom plate 1. Two vertical shafts 2 are fixedly installed at the top of the bottom plate 1. The top ends of the two vertical shafts 2 are fixedly installed with the same top plate 3. Connecting blocks 4 are rotatably installed on the two vertical shafts 2. Storage boxes 5 are fixedly installed on the two connecting blocks 4. One side of the two storage boxes 5 away from each other is an open structure and is provided with an extension component. By using the two storage boxes 5 and the two moving boxes 6, the telescopic component can be stored and protected. Moving boxes 6 are arranged on both extension components. The extension component is used to control the telescopic movement of the moving box 6. Support components for support and reinforcement are arranged on the two moving boxes 6.

[0025] In this embodiment, a U-shaped connecting plate 25 is fixedly installed on the right side of the right moving box 6, and a connecting head 26 is fixedly installed on the left side of the left moving box 6. Connecting holes are formed in both the U-shaped connecting plate 25 and the connecting head 26. By using bolts to connect the U-shaped connecting plate 25 with the corresponding connecting head 26, multiple enclosures can be connected in series to form a whole. Reflective warning stickers 27 are fixedly installed on the front, back, left, and right sides of the two storage boxes 5 and the two moving boxes 6. The reflective warning stickers 27 can prompt the presence of the enclosure at night and avoid accidents.

[0026] In this embodiment, the above-mentioned extension component includes a limiting plate 7, a bidirectional screw 8, a first bevel gear 9, a horizontal shaft 10, a second bevel gear 11, a crank 12, two moving blocks 13, two first hinge seats 14, a telescopic frame 15, a sliding rod 16, two sliding sleeves 17, and two second hinge seats 18. The limiting plate 7 is fixedly installed in the corresponding storage box 5. The bidirectional screw 8 is rotatably installed on the inner wall of the top of the storage box 5. The bottom end of the bidirectional screw 8 rotatably penetrates through the limiting plate 7. The first bevel gear 9 is fixedly installed at the bottom end of the bidirectional screw 8. The horizontal shaft 10 is rotatably installed on the front side wall of the storage box 5. The second bevel gear 11 is fixedly installed at the rear end of the horizontal shaft 10 and meshes with the first bevel gear 9. By using the meshing rotation of the first bevel gear 9 and the second bevel gear 11, the rotation of the bidirectional screw 8 can be controlled. The crank 12 is fixedly installed at the front end of the horizontal shaft 10. The two moving blocks 13 are both threadedly installed on the bidirectional screw 8 and are symmetrically distributed. The two first hinge seats 14 are respectively fixedly installed on the two moving blocks 13. The telescopic frame 15 is rotatably installed on the two first hinge seats 14. The sliding rod 16 is fixedly installed in the moving box 6. The two sliding sleeves 17 are both slidably installed on the sliding rod 16. The two second hinge seats 18 are respectively fixedly installed on the two sliding sleeves 17 and are rotatably connected to the telescopic frame 15. A guide rod 19 is fixedly installed at the top of the limiting plate 7. The two moving blocks 13 are both slidably installed on the guide rod 19.

[0027] In this embodiment, support blocks 20 are fixedly installed at the bottoms of the two moving boxes 6 described above. First universal wheels 21 are rotatably installed at the bottoms of the bottom plate 1 and the two support blocks 20. The first universal wheels 21 can facilitate the control of the movement of the enclosure body, saving time and effort.

[0028] In this embodiment, the above-mentioned support assembly includes two cross braces 22, two vertical rods 23 and two second universal wheels 24. The two cross braces 22 are respectively fixedly installed on the front and rear sides of the moving box 6. The two vertical rods 23 are respectively fixedly installed at the bottoms of the two cross braces 22. The two second universal wheels 24 are respectively rotatably installed at the bottoms of the two vertical rods 23.

[0029] With the above structure, a site construction enclosure device provided by the present utility model that is convenient for telescopic expansion can, according to the actual length on site, drive the bidirectional screw 8 to rotate by rotating the cross shaft 10, and then control the two moving blocks 13 to approach each other, so that the telescopic frame 15 pushes the moving box 6 away from the storage box 5 to complete the extended installation of the enclosure. And it can, according to needs, control the two telescopic frames 15 to form an angle to improve the applicable range of the enclosure. It can also support and reinforce the moving box 6 and facilitate the control of the movement of the moving box 6, saving time and effort and improving the disassembly and assembly efficiency. When specifically used, the enclosure body is pushed to the installation position. When it is necessary to control the extension of the moving box 6 on one side, control the corresponding crank 12 to rotate. The crank 12 controls the second bevel gear 11 to rotate. By utilizing the meshing rotation of the first bevel gear 9 and the second bevel gear 11, the bidirectional screw 8 can be controlled to rotate, and then the two moving blocks 13 can be controlled to approach each other, so that the telescopic frame 15 unfolds and pushes the moving box 6 away from the storage box 5. Similarly, when it is necessary to control the unfolding of the moving box 6 on the other side, rotate the corresponding crank 12. When there is a turn in the enclosure area, the bottom plate 1 can be placed at the turning position and the two telescopic frames 15 can be controlled to bend to form an angle, greatly improving the applicable range of the enclosure and enhancing the practicality of the enclosure.

[0030] The above is only the specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope recorded by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A on-site construction enclosure device that is convenient for telescopic expansion, characterized in that: It includes a bottom plate (1). At the top of the bottom plate (1), two vertical shafts (2) are fixedly installed. At the top ends of the two vertical shafts (2), the same top plate (3) is fixedly installed. On each of the two vertical shafts (2), a connecting block (4) is rotatably installed. On each of the two connecting blocks (4), a storage box (5) is fixedly installed. One side of each of the two storage boxes (5) facing away from each other is an open structure and is provided with an extension assembly. On each of the two extension assemblies, a moving box (6) is provided. The extension assembly is used to control the telescopic movement of the moving box (6). On each of the two moving boxes (6), a support assembly for support and reinforcement is provided.

2. The on-site construction enclosure device convenient for telescopic expansion according to claim 1, wherein: The extension assembly includes a limiting plate (7), a bidirectional screw rod (8), a first bevel gear (9), a horizontal shaft (10), a second bevel gear (11), a crank (12), two moving blocks (13), two first hinge seats (14), a telescopic frame (15), a sliding rod (16), two sliding sleeves (17) and two second hinge seats (18). The limiting plate (7) is fixedly installed in the corresponding storage box (5). The bidirectional screw rod (8) is rotatably installed on the inner wall of the top of the storage box (5). The bottom end of the bidirectional screw rod (8) rotatably penetrates through the limiting plate (7). The first bevel gear (9) is fixedly installed at the bottom end of the bidirectional screw rod (8). The horizontal shaft (10) is rotatably installed on the front side wall of the storage box (5). The second bevel gear (11) is fixedly installed at the rear end of the horizontal shaft (10) and meshes with the first bevel gear (9). The crank (12) is fixedly installed at the front end of the horizontal shaft (10). The two moving blocks (13) are both threadedly installed on the bidirectional screw rod (8) and are symmetrically distributed. The two first hinge seats (14) are respectively fixedly installed on the two moving blocks (13). The telescopic frame (15) is rotatably installed on the two first hinge seats (14). The sliding rod (16) is fixedly installed in the moving box (6). The two sliding sleeves (17) are both slidably installed on the sliding rod (16). The two second hinge seats (18) are respectively fixedly installed on the two sliding sleeves (17) and are rotatably connected to the telescopic frame (15).

3. The on-site construction enclosure device that is convenient for telescopic expansion according to claim 2, characterized in that: A guide rod (19) is fixedly installed at the top of the limiting plate (7). The two moving blocks (13) are both slidably installed on the guide rod (19).

4. A site construction enclosure device facilitating telescopic expansion according to claim 1, characterized in that: At the bottom of each of the two moving boxes (6), a support block (20) is fixedly installed. At the bottom of the bottom plate (1) and the two support blocks (20), a first universal wheel (21) is rotatably installed.

5. A site construction enclosure device that is convenient for telescopic expansion, characterized in that: The support assembly includes two cross braces (22), two vertical rods (23) and two second universal wheels (24). The two cross braces (22) are respectively fixedly installed on the front and rear sides of the moving box (6). The two vertical rods (23) are respectively fixedly installed at the bottoms of the two cross braces (22). The two second universal wheels (24) are respectively rotatably installed at the bottom ends of the two vertical rods (23).

6. A on-site construction enclosure device that is convenient for telescopic expansion, characterized in that: On the right side of the moving box (6) on the right side, a U-shaped connecting plate (25) is fixedly installed, and on the left side of the moving box (6) on the left side, a connector (26) is fixedly installed. Connecting holes are provided on both the U-shaped connecting plate (25) and the connector (26).

7. A on-site construction enclosure device that is convenient for telescopic expansion, characterized in that: Reflective warning stickers (27) are fixedly installed on the front and rear sides of the two storage boxes (5) and the two moving boxes (6).