Fence device for safety construction of underground parking lot
The telescopic and folding structure composed of multiple baffles and connecting rods solves the shortcomings of existing fencing devices in terms of shape adaptability and protective effect, and achieves flexible adaptation and efficient protection for complex construction areas.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GANSU NO 5 CONSTR ENG CO
- Filing Date
- 2025-02-20
- Publication Date
- 2026-05-15
AI Technical Summary
Existing fencing devices are inadequate in terms of shape adaptability and protective effect, making it difficult to meet the needs of irregular or special-shaped construction areas. Furthermore, their structures are prone to deformation and damage, failing to effectively isolate construction areas and posing safety hazards.
The device employs a telescopic and folding structure composed of multiple baffles and connecting rods. The baffle angle is fixed by a locking structure, enabling the enclosure to change shape and enhancing its support strength and stability.
This technology enables the fencing device to be flexibly adapted to complex construction areas, improving its practicality and construction efficiency, and ensuring the safety and protection of the construction area.
Smart Images

Figure CN224244569U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of construction site enclosure technology, and in particular relates to an enclosure device for safe construction of underground parking lots. Background Technology
[0002] Construction site fencing is a common safety protection facility used on construction sites. Its main function is to effectively isolate the construction area from the external environment, ensuring the safe conduct of construction activities and protecting surrounding personnel and property from the impact of construction activities. The application of fencing is particularly important in parking lot safety construction. It not only prevents vehicles from accidentally entering the construction area but also effectively isolates construction noise and dust, ensuring the safety of parked vehicles in the surrounding area. Common fencing devices include walls built with various masonry materials and enclosures constructed with various prefabricated panels. These fixed fencing devices are relatively simple in shape and size, making it difficult to meet the needs of irregular or specially shaped construction areas. Furthermore, they are difficult to recycle and occupy a large area after dismantling.
[0003] Patent CN214996656U discloses a safety construction fencing device for parking lots, including a base, an alarm light, and a net roll. The net roll is rotatably connected to a mesh cylinder at both ends, and the mesh cylinder has a mesh outlet. A fencing net extends from the mesh outlet, and a support rod is installed at the beginning of the net. Several hooks are hinged to the right side of the support rod. By connecting several devices in series, the construction site of the parking lot is enclosed. The fencing process is quick and convenient and can adapt to various irregular construction sites. Although this fencing device can change shape to some extent, solving the shape adaptability problem, its structure often lacks sufficient support strength, resulting in poor protective effect. This type of roll-type fencing device is prone to deformation or damage when subjected to external impact, failing to effectively isolate the construction area and thus posing a safety hazard. Furthermore, due to the lack of support in the net roll, the inflection point of the fencing can only be changed by altering the placement of the support rod, which significantly reduces its practicality for complex-shaped enclosure areas.
[0004] Therefore, we propose a safety enclosure device for underground parking lot construction to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to solve the problem in the existing technology that it is impossible to balance shape adaptability and protective effect, and to propose a safety enclosure device for underground parking lot construction.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A safety enclosure device for construction of an underground parking lot includes two side boxes, multiple baffles, and connecting rods;
[0008] The side box has a receiving cavity, and the receiving cavities of the two side boxes are arranged facing each other;
[0009] Multiple baffles are connected in pairs by connecting rods to form a telescopic folding structure with a variable shape. The two baffles on the outer side are rotatably connected to the two side boxes respectively.
[0010] The connecting rod is equipped with a locking structure to fix the included angle between two adjacent baffles, thereby fixing the shape of the telescopic folding structure.
[0011] Preferably, the connecting rod has symmetrical mounting grooves on both sides, and the baffle has protrusions fixedly installed on both sides. The protrusions are embedded in the mounting grooves, and a connecting shaft is provided on the protrusion. The connecting shaft passes through the connecting rod and is rotatably connected to the connecting rod.
[0012] Preferably, the width of the connecting rod is greater than the thickness of the two baffles.
[0013] Preferably, the locking structure includes a mounting cavity located on the connecting rod, and the mounting cavity is provided with two laterally sliding abutment blocks and a longitudinally sliding control block;
[0014] The connecting rod is rotatably equipped with a control rod for driving the displacement of the control block;
[0015] The control block and the clamping block are in sliding engagement. When the control block slides longitudinally, it drives the clamping block to move laterally and apply pressure to the connecting shaft.
[0016] Preferably, the control block is an isosceles trapezoid, and the abutting block has an inclined surface on the side near the control block that matches the inclined side of the control block. A guide groove is provided on the inclined surface, and multiple T-shaped locking posts that are slidably connected to the guide groove are provided on the inclined side of the control block.
[0017] Preferably, the side of the abutment block near the connecting shaft is an arc-shaped surface, and the arc-shaped surface is provided with multiple axially arranged protrusions, and the part of the connecting shaft corresponding to the abutment block is provided with multiple axially arranged grooves.
[0018] Preferably, the rotating end of the control lever is provided with a gear, and the surface of the control block is provided with a rack that meshes with the gear.
[0019] Preferably, the control rod is made of magnetic material, and the connecting rod is provided with two magnets, which are located on the upper and lower sides of the control rod and correspond to the far end of the control rod.
[0020] In summary, the technical effects and advantages of this utility model are as follows: This underground parking lot safety construction enclosure device, through the telescopic and folding structure of multiple baffles and connecting rods, achieves flexible adjustment of the shape of the enclosure device, enabling it to easily adapt to various complex and varied construction areas, especially in space-constrained and irregularly shaped places such as underground parking lots. Whether it is a straight section or a turning point area, a perfect fit can be achieved by adjusting the included angle between the baffles, greatly improving the practicality and flexibility of the enclosure device.
[0021] This invention allows for the rapid installation and shape adjustment of the fencing device through simple folding and locking operations, greatly improving construction efficiency and reducing labor costs.
[0022] Although this utility model adopts a telescopic and folding structure, the locking structure on the connecting rod ensures the fixation of the included angle between adjacent baffles, so that the enclosure device has sufficient support strength after the shape is fixed. This not only ensures the structural stability of the enclosure device, but also enables it to effectively resist external impacts, providing reliable protection and ensuring the safety of the construction area. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the structure of this utility model in its stretching and changing state;
[0025] Figure 3 This is a schematic diagram of the structure of the baffle in this utility model;
[0026] Figure 4 This is a schematic diagram of the connecting rod in this utility model;
[0027] Figure 5 for Figure 4 A magnified structural diagram of part A in the middle;
[0028] Figure 6 This is a schematic diagram of the structure of the clamping block and the control block in this utility model.
[0029] In the diagram: 1. Side box; 11. Receiving cavity; 2. Baffle; 21. Protrusion; 22. Connecting shaft; 221. Groove; 3. Connecting rod; 31. Mounting slot; 32. Clamping block; 321. Inclined surface; 322. Guide groove; 323. Raised strip; 324. Arc surface; 33. Control block; 331. T-shaped locking post; 332. Rack; 34. Control rod; 341. Gear; 35. Magnet. Detailed Implementation
[0030] Reference Figure 1-6A safety enclosure device for underground parking lot construction includes two side boxes 1, multiple baffles 2 and connecting rods 3.
[0031] Multiple baffles 2 are connected in pairs by connecting rods 3 to form a telescopic folding structure with variable shape. The two baffles 2 on the outside are rotatably connected to the two side boxes 1 respectively. When in use, the shape of the telescopic folding structure can be controlled so that the enclosure area of the multiple baffles 2 matches the construction range to meet the construction requirements. Since the multiple baffles 2 can be folded and retracted, when not in use, the telescopic folding structure can be folded together to reduce the floor space and facilitate organization.
[0032] Since the baffles 2 are connected by connecting rods 3, the angles of two adjacent baffles 2 can be adjusted freely without additional support. Therefore, for complex construction areas with many turning points, the installation and shape adjustment of the enclosure device can be completed quickly, which greatly improves construction efficiency and reduces labor costs.
[0033] The side box 1 has a receiving cavity 11. The receiving cavities 11 of the two side boxes 1 are arranged facing each other. The bottom of the side box 1 is provided with a support plate to ensure the stability of the enclosure device during use. When storing, multiple baffles 2 are folded and stacked together and extended into the receiving cavity 11 to keep the side box 1 stable. By binding with ropes or other means, the two side boxes 1 can protect the multiple baffles 2 in the middle for storage.
[0034] Reference Figure 3-5 The connecting rod 3 has symmetrical mounting grooves 31 on both sides. The baffle 2 has protrusions 21 fixedly installed on both sides. The protrusions 21 are embedded in the mounting grooves 31. The protrusions 21 are provided with connecting shafts 22, which pass through the connecting rod 3 and are rotatably connected to the connecting rod 3.
[0035] The width of the connecting rod 3 is greater than the thickness of the two baffles 2, so that when the two baffles 2 are folded to their maximum extent, the two baffles 2 are perpendicular to the surface of the connecting rod 3 and parallel to each other, thus occupying the least space when stored.
[0036] The connecting rod 3 is equipped with a locking structure to fix the included angle of two adjacent baffles 2, so that the shape of the telescopic folding structure is fixed. The locking structure on the connecting rod 3 ensures that the included angle of the adjacent baffles 2 is fixed, so that the enclosure device has sufficient support strength after the shape is fixed. This not only ensures the structural stability of the enclosure device, but also enables it to effectively resist external impacts, providing reliable protection and ensuring the safety of the construction area.
[0037] Reference Figure 3-6 The locking structure includes a mounting cavity located on the connecting rod 3. The mounting cavity is connected to the through hole of the connecting shaft 22 in cooperation with the connecting rod 3. Two horizontally sliding abutment blocks 32 and a vertically sliding control block 33 are provided in the mounting cavity. The control block 33 and the abutment blocks 32 are in sliding cooperation.
[0038] A control rod 34 is rotatably mounted on the connecting rod 3 to drive the displacement of the control block 33. By rotating the control rod 34, the control block 33 slides longitudinally and drives the clamping block 32 to move laterally to apply pressure to the connecting shaft 22. When the clamping block 32 applies pressure to the connecting shaft 22, it restricts the rotation of the connecting shaft 22, so that the relative stability between the baffle 2 and the connecting rod 3 is maintained.
[0039] Reference Figure 3-6 The control block 33 is an isosceles trapezoid. The abutment block 32 has an inclined surface 321 on the side near the control block 33 that matches the inclined side of the control block 33. A guide groove 322 is provided on the inclined surface 321. Multiple T-shaped locking posts 331 are provided on the inclined side of the control block 33 and are slidably connected to the guide groove 322. When the control block 33 slides downward, since the inclined surface 321 of the control block 33 corresponds to the inclined surface 321 of the abutment block 32, the T-shaped locking posts 331 slide in the guide groove 322, pulling the abutment block 32 towards the control block 33. At this time, the abutment block 32 is away from the connecting shaft 22. When the control block 33 slides upward, the T-shaped locking posts 331 slide in the guide groove 322, pushing the abutment block 32 towards the connecting shaft 22 and abutting against the connecting shaft 22, thereby limiting the position of the connecting shaft 22.
[0040] Reference Figure 3-6 The side of the clamping block 32 near the connecting shaft 22 is an arc-shaped surface 324, which can better fit the outer circumference of the connecting shaft 22 and increase the contact area. Multiple axially arranged protrusions 323 are provided on the arc-shaped surface 324. Multiple axially arranged grooves 221 are provided on the part of the connecting shaft 22 corresponding to the clamping block 32. The protrusions 323 and the grooves 221 cooperate to increase the limiting effect of the clamping block 32 on the connecting shaft 22.
[0041] Reference Figure 3-6 The control lever 34 has a gear 341 at its rotating end, and the control block 33 has a rack 332 on its surface that meshes with the gear 341. By rotating the control lever 34, the control lever 34 can increase the torque, which drives the rack 332 through the gear 341, causing the control block 33 to move. It should be noted that a longitudinal limiting strip is provided in the mounting cavity. The control block 33 is slidably connected to the limiting strip, which has a lateral limiting effect on the control block 33, preventing the control block 33 and the clamping block 32 from being misaligned as a whole in the mounting cavity.
[0042] Reference Figure 3-6 The control rod 34 is made of magnetic material, specifically iron in this embodiment. Two magnets 35 are provided on the connecting rod 3. The two magnets 35 are located on the upper and lower sides of the control rod 34 and correspond to the far end of the control rod 34. When the control rod 34 is flipped up or down to its limit position, the magnets 35 attract the far end of the control rod 34, keeping the control rod 34 locked or unlocked from the connecting shaft 22.
[0043] The outer surface of the baffle 2 can be fitted with reflective strips and other warning signs to alert pedestrians and vehicles.
[0044] Working principle:
[0045] During the construction of underground parking lots, such as ground crack repair and parking space repainting, the two side boxes 1 are pulled apart by a certain distance to allow the telescopic folding structure to extend. The shape of the telescopic folding structure is controlled according to the outline of the construction area so that the enclosure area of multiple baffles 2 matches the construction area to meet the construction requirements. If the extension length of the telescopic folding structure is insufficient, multiple enclosure devices can be used in series until the construction area is completely enclosed.
[0046] After the enclosure device is arranged according to the construction area, pull down the control lever 34. The gear 341 drives the rack 332, causing the control block 33 to slide upward. The T-shaped locking post 331 slides in the guide groove 322, pushing the clamping block 32 to move towards the connecting shaft 22 and clamp against it. When clamped, the protrusion 323 cooperates with the groove 221 to limit the connection shaft 22, ensuring the fixation of the included angle of the adjacent baffles 2. This ensures that the enclosure device has sufficient support strength after its shape is fixed. It not only ensures the structural stability of the enclosure device, but also enables it to effectively resist external impacts, providing reliable protection and ensuring the safety of the construction area.
[0047] After construction is completed, pull the control lever 34 upward to contact the limit of the connecting shaft 22. The multiple baffles 2 are folded and stacked together and extended into the receiving cavity 11. By binding with ropes or other means, the two side boxes 1 protect and store the multiple baffles 2 in the middle.
Claims
1. A safety enclosure device for construction of an underground parking lot, characterized in that, It includes two side boxes (1), multiple baffles (2) and connecting rods (3); The side box (1) has a receiving cavity (11), and the receiving cavities (11) of the two side boxes (1) are arranged facing each other; Multiple baffles (2) are connected in pairs by connecting rods (3) to form a telescopic folding structure with variable shape. The two baffles (2) on the outside are rotatably connected to the two side boxes (1) respectively. The connecting rod (3) is provided with a locking structure to fix the included angle between two adjacent baffles (2) so that the shape of the telescopic folding structure is fixed.
2. The safety construction enclosure device for an underground parking lot according to claim 1, characterized in that, The connecting rod (3) has symmetrically provided mounting grooves (31) on both sides. The baffle (2) has protrusions (21) fixedly installed on both sides. The protrusions (21) are embedded in the mounting grooves (31). The protrusions (21) are provided with connecting shafts (22). The connecting shafts (22) pass through the connecting rod (3) and are rotatably connected to the connecting rod (3).
3. The safety construction enclosure device for an underground parking lot according to claim 1, characterized in that, The width of the connecting rod (3) is greater than the thickness of the two baffles (2).
4. The safety construction enclosure device for an underground parking lot according to claim 1, characterized in that, The locking structure includes a mounting cavity located on the connecting rod (3), and the mounting cavity is provided with two horizontally sliding abutment blocks (32) and a vertically sliding control block (33). The connecting rod (3) is rotatably provided with a control rod (34) for driving the displacement of the control block (33). The control block (33) and the abutment block (32) slide together, and when the control block (33) slides longitudinally, it drives the abutment block (32) to move laterally to apply pressure to the connecting shaft (22).
5. A safety enclosure device for underground parking lot construction according to claim 4, characterized in that, The control block (33) is an isosceles trapezoid. The abutting block (32) has an inclined surface (321) on the side near the control block (33) that matches the inclined side of the control block (33). A guide groove (322) is provided on the inclined surface (321). A plurality of T-shaped locking posts (331) that are slidably connected to the guide groove (322) are provided on the inclined side of the control block (33).
6. A safety enclosure device for underground parking lot construction according to claim 4, characterized in that, The side of the abutment block (32) near the connecting shaft (22) is an arc-shaped surface (324), and multiple axially arranged protrusions (323) are provided on the arc-shaped surface (324). Multiple axially arranged grooves (221) are provided on the part of the connecting shaft (22) corresponding to the abutment block (32).
7. A safety enclosure device for underground parking lot construction according to claim 4, characterized in that, The control lever (34) has a gear (341) at its rotating end, and the control block (33) has a rack (332) on its surface that meshes with the gear (341).
8. A safety enclosure device for underground parking lot construction according to claim 4, characterized in that, The control rod (34) is made of magnetic material, and two magnets (35) are provided on the connecting rod (3). The two magnets (35) are located on the upper and lower sides of the control rod (34) and correspond to the far end of the control rod (34).