Sheet drain assembly and drainage system

Abstract

The application discloses a loose-leaf type drainage assembly and a drainage system, and relates to the technical field of drainage devices, wherein the loose-leaf type drainage assembly comprises a mounting frame, a baffle and a cover body, the mounting frame is arranged on a wall surface and located at the periphery of a drainage opening, the mounting frame is provided with a frame opening, the frame opening is communicated with the drainage opening, the baffle is rotationally arranged on the mounting frame, and the baffle is arranged on the drainage opening, the baffle is provided with a plurality of first water passing holes, the baffle is configured to be opened when the actual water discharge of the drainage opening is greater than a preset water discharge, the cover body is arranged on the mounting frame and covers the drainage opening, and the cover body is provided with a plurality of second water passing holes; in the technical scheme provided by the application, when heavy rain weather occurs and water flow instantaneously increases, sewage can flush away the baffle, so that the baffle is passively opened, drainage is performed in the gap between the baffle and the wall surface, the drainage demand when the drainage amount is relatively large can be met, and due to the existence of the cover body, small animals can be prevented from entering the transformer station from the drainage opening.

Description

Technical Field

[0001] This application relates to the field of drainage device technology, and in particular to a hinged drainage component and drainage system. Background Technology

[0002] The safe and stable operation of equipment and facilities in substations is closely related to their surrounding environment. Areas with high rainfall, humidity, and frequent animal and plant activity place even higher demands on the operation of substations. Currently, existing substation cable trenches commonly face problems such as poor drainage and small animal intrusion due to inadequate initial design considerations and substandard construction techniques. These issues not only pose serious safety hazards to the equipment but also significantly increase the daily workload of maintenance personnel. To address the drainage and small animal prevention requirements of cable trenches, traditional cable trench drainage outlets typically employ a fixed mesh grille sealing design. The intention behind this design is to achieve drainage while simultaneously preventing small animals from entering the cable trench through the mesh grille's barrier function, thus balancing both drainage and small animal prevention needs. However, this fixed mesh structure has significant drawbacks in practical applications. On the one hand, the mesh is easily clogged by foreign objects, and its structure restricts drainage flow, often leading to insufficient drainage efficiency or even blockages, which in turn cause rainwater backflow. On the other hand, removing the mesh to solve the drainage problem fails to meet the requirements for preventing small animals from entering the enclosure. This contradictory situation causes great trouble for the enclosure's maintenance personnel and further increases their workload. Utility Model Content

[0003] This application proposes a hinged drainage assembly and drainage system, which aims to provide a hinged drainage assembly that can simultaneously match water flow for drainage and prevent small animals from entering the substation.

[0004] One embodiment of this application provides a hinged drainage assembly, comprising: An installation frame is mounted on the wall and located around the drain outlet. The installation frame has an opening that communicates with the drain outlet. A baffle is rotatably mounted on the mounting frame and covers the drain outlet. The baffle has multiple first water passage holes and is configured to open when the actual water flow from the drain outlet is greater than a preset water flow. A cover is provided on the mounting frame and covers the drain outlet, and the cover has multiple second water passage holes.

[0005] In one embodiment, the cover and the wall form a receiving cavity, the baffle is movably disposed in the receiving cavity, and the drain outlet is connected to the receiving cavity.

[0006] In one embodiment, the hinged drainage assembly includes a first mounting plate and a second mounting plate. The first mounting plate is disposed on the mounting frame or the wall, and the second mounting plate is rotatably connected to the first mounting plate. The baffle is detachably disposed on the second mounting plate.

[0007] In one embodiment, the first mounting plate has a first pivot hole near the second mounting plate, and the second mounting plate has a second pivot hole near the first mounting plate. The hinged drainage assembly also includes a pivot shaft that passes through the first pivot hole and the second pivot hole.

[0008] In one embodiment, the baffle is threadedly connected to the second mounting plate.

[0009] In one embodiment, the hinged drainage assembly further includes a counterweight disposed at the end of the baffle away from the second mounting plate; The counterweight and the baffle are integrally formed, or the counterweight and the baffle are welded together.

[0010] In one embodiment, the inner diameter of the second water passage is larger than the inner diameter of the first water passage.

[0011] In one embodiment, the hinged drainage assembly further includes a waste container, which is attached to the cover and used to collect waste flushed out of the drain outlet.

[0012] In one embodiment, the baffle is made of stainless steel; and / or The cover is made of stainless steel.

[0013] One embodiment of this application also proposes a drainage system comprising a hinged drainage assembly as described above.

[0014] This application provides several embodiments of a hinged drainage assembly and system. The hinged drainage assembly includes a mounting frame, a baffle, and a cover. The drainage assembly is fixed to a wall with a drain outlet via the mounting frame, which is located on the circumferential side of the drain outlet. The baffle is rotatably connected to the mounting frame and covers the drain outlet. The baffle has multiple first water passage holes. Under gravity, the baffle remains in contact with the wall, ensuring it covers the drain outlet. When the water flow is low, wastewater can drain through the first water passage holes. During heavy rain, when the water flow increases instantaneously, the wastewater can force open the baffle, causing it to open passively and drain through the gap between the baffle and the wall, meeting drainage needs when the volume is large. Furthermore, a cover with second water passage holes is provided outside the drain outlet. This does not obstruct wastewater discharge, but the cover prevents small animals from entering the substation through the drain outlet. The hinged drainage assembly proposed in this application can meet the drainage needs of different drainage volumes and effectively prevent small animals from entering the substation through the drainage outlet. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments or prior art of this application, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the structure of an embodiment of the hinged drainage assembly provided in this application; Figure 2 for Figure 1 Schematic diagram of the middle baffle; Figure 3 This is a structural schematic diagram of the hinged drainage assembly provided in this application from another angle.

[0017] Explanation of icon numbers: 100. Hinged drainage assembly; 1. Mounting frame; 11. First fixing component; 2. Baffle; 21. Counterweight; 2a. First water passage hole; 3. Cover; 3a. Second water passage hole; 4. First mounting plate; 41. Second fixing component; 4a. First pivot hole; 5. Second mounting plate; 5a. Second pivot hole; 6. Pivot rod; 7. Garbage box; 7a. Third water passage hole; 7b. Drain outlet. Detailed Implementation

[0018] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings of several embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0019] It should be noted that if multiple embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0020] Furthermore, if multiple embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text implies three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0021] The safe and stable operation of equipment and facilities in substations is closely related to their environment. In areas with high rainfall, humidity, and frequent animal activity, the operation of substations faces even higher demands. Currently, existing cable trenches in operating substations generally suffer from poor drainage and small animal intrusion due to inadequate initial design and substandard construction techniques. These problems not only pose serious safety hazards to the equipment but also significantly increase the daily workload of maintenance personnel. Once small animals enter the cable trench, they can gnaw on the insulation layer, causing exposed short circuits. The instantaneous arc can burn out switchgear or even cause a fire throughout the entire substation. Simultaneously, rodents like to climb along cables to the high-voltage busbars, causing instantaneous connections between conductors and creating phase-to-phase short circuits, leading to protection tripping, large-scale power outages, high repair costs, and serious threats to power grid safety. To address the drainage and small animal prevention needs of cable trenches, existing traditional cable trenches typically use a fixed mesh grid sealing structure for their drainage outlets. The original intention of this design was to achieve drainage while preventing small animals from entering the cable trench through the barrier effect of the mesh, so as to meet the needs of both drainage and small animal prevention. However, this fixed mesh structure has significant drawbacks in practical applications. On the one hand, the mesh is easily clogged by foreign objects, and its structure restricts drainage flow, often leading to insufficient drainage efficiency or even blockages, which in turn cause rainwater backflow. On the other hand, removing the mesh to solve the drainage problem fails to meet the requirements for preventing small animals from entering the enclosure. This contradictory situation causes great trouble for the enclosure's maintenance personnel and further increases their workload.

[0022] To address the aforementioned problems, this application proposes a hinged drainage assembly 100 to solve the technical issues mentioned above.

[0023] Please see Figure 1 In one embodiment of this application, the hinged drainage assembly 100 includes a mounting frame 1, a baffle 2, and a cover 3. The mounting frame 1 is disposed on the wall and located around the drain outlet. The mounting frame 1 has a frame opening that communicates with the drain outlet. The baffle 2 is rotatably disposed on the mounting frame 1 and covers the drain outlet. The baffle 2 has a plurality of first water passage holes 2a. The baffle 2 is configured to open when the actual water flow from the drain outlet is greater than a preset water flow. The cover 3 is disposed on the mounting frame 1 and covers the drain outlet. The cover 3 has a plurality of second water passage holes 3a.

[0024] This application provides several embodiments of a hinged drainage assembly 100 and a drainage system. The hinged drainage assembly 100 includes a mounting frame 1, a baffle 2, and a cover 3. The drainage assembly is fixed to a wall with a drain outlet via the mounting frame 1, which is located on the circumferential side of the drain outlet. The baffle 2 is rotatably connected to the mounting frame 1 and covers the drain outlet. The baffle 2 has multiple first water passage holes 2a. Under the action of gravity, the baffle 2 always adheres to the wall, ensuring that it covers the drain outlet. When the water flow is small, sewage can be discharged through the first water passage holes 2a. When encountering heavy rain and the water flow increases instantaneously, the sewage can force open the baffle 2, causing it to open passively, thus draining water through the gap between the baffle 2 and the wall, which can meet the drainage needs when the drainage volume is large. In addition, a cover 3 is provided outside the drain outlet. The cover 3 is provided with second water passage holes 3a, which does not obstruct the discharge of sewage, but the presence of the cover 3 can prevent small animals from entering the substation through the drain outlet. The hinged drainage component 100 proposed in this application can not only meet the drainage needs of different drainage volumes, but also effectively prevent small animals from entering the substation through the drainage outlet.

[0025] It is understood that the hinged drainage assembly 100 proposed in this application is installed on the outer wall of the substation, that is, located outside the substation, and the mounting frame 1 is fixed to the wall by the first fastener 11. It should be noted that the first fastener 11 can be a bolt or a screw; this application does not limit this. In one embodiment of this application, the first fastener 11 is an expansion bolt. For details, please refer to further reference. Figure 1 First, drill holes of the appropriate diameter and depth in the wall. After cleaning the dust, insert the expansion tube. Then, align the hole of the installation frame 1, screw in the expansion bolt and tighten it. The bolt cone opens the expansion tube, so that its outer wall is firmly biting the concrete of the hole wall, forming a high-strength pull-out anchor. The expansion bolt installation does not require pre-embedding, and can be done by drilling on site. The construction is fast, vibration-resistant and loosening-proof. Even if the outer wall of the pavilion is weathered over the years, it can provide reliable anchoring force to ensure that the hinged drainage components will not loosen or fall off for a long time under the impact of rainstorms and the scratching and biting of small animals.

[0026] Furthermore, the cover 3 and the wall form a receiving cavity, and the baffle 2 is movably installed in the receiving cavity, with the drain outlet connected to the receiving cavity. The cover 3 and the wall form a closed receiving cavity, housing the baffle 2 inside: normally, the baffle 2 is pressed tightly against the drain outlet by its own weight, and light rain only seeps out slowly from the first water passage 2a; during heavy rain, water instantly accumulates in the cavity, and the water pressure evenly pushes the baffle 2 to swing outward as a whole, opening at a large angle and draining quickly. Moreover, the cavity prevents rats, snakes, and birds from directly contacting the baffle 2, achieving the dual function of "large drainage for heavy rain, small drainage for light rain, and no gaps for animals to squeeze through".

[0027] In one embodiment of this application, the hinged drainage assembly 100 includes a first mounting plate 4 and a second mounting plate 5. The first mounting plate 4 is disposed on the mounting frame 1 or the wall, and the second mounting plate 5 is rotatably connected to the first mounting plate 4. A baffle 2 is detachably disposed on the second mounting plate 5. During installation, the first mounting plate 4 is first welded or bolted to the already positioned mounting frame 1 or the wall. Then, the second mounting plate 5 with a pivot hole is aligned with the first mounting plate 4 and inserted into the pivot rod 6 to form a hinge. Subsequently, the screws on the back of the baffle 2 are screwed into the pre-drilled threaded holes of the second mounting plate 5 to complete the rapid assembly. The entire process does not require moving the heavy baffle 2 as a whole, nor does it require overhead welding or secondary hole alignment at height on narrow walls, reducing assembly time by half. Subsequent maintenance only requires loosening a few screws to remove the baffle 2 for cleaning and replacement, significantly reducing maintenance difficulty and power outage time.

[0028] The first mounting plate 4 has a first pivot hole 4a near the second mounting plate 5, and the second mounting plate 5 has a second pivot hole 5a near the first mounting plate 4. The hinged drainage assembly 100 also includes a pivot rod 6, which passes through the first pivot hole 4a and the second pivot hole 5a. The pivot rod 6 passes through the pivot holes of both mounting plates at once, forming an exposed hinge: no welding or riveting is required on site; assembly can be completed simply by inserting the rod and using the retaining springs at both ends, reducing the difficulty of working at heights; the exposed pivot can be lubricated at any time to prevent rust and jamming, ensuring that the baffle 2 can still open flexibly and fully under the impact of heavy rain, and the drainage capacity does not decrease. At the same time, the high precision of the hole and rod fit ensures accurate return of the baffle 2, extending its service life. The baffle 2 and the second mounting plate 5 are connected by threads, and maintenance personnel can complete the disassembly and assembly within 1 minute with just a wrench, without having to disassemble the entire hinge; cleaning the water holes, replacing the sealing strip, or winter maintenance can all be done by removing the baffle 2 first and then performing the delicate work, greatly reducing the intensity of maintenance and safety risks.

[0029] To ensure that the baffle 2 always remains in contact with the wall, the hinged drainage assembly 100 also includes a counterweight 21, which is located at the end of the baffle 2 furthest from the second mounting plate 5. For further details, please refer to [link / reference needed]. Figure 2 The counterweight 21 creates a constant downward pressure at the free end of the baffle 2, ensuring that the baffle 2 remains firmly against the wall without the need for springs or additional latches. It prevents gaps caused by swaying in light rain, completely blocking small animals from entering. Simultaneously, the counterweight and water pressure create a torque balance; during heavy rain, the remaining torque is overcome to open the baffle 2, achieving intelligent opening and closing – "no opening for small amounts of water, opening for large amounts," thus combining rodent prevention with efficient drainage. The counterweight and baffle 2 are integrally molded or welded, eliminating bolts and loosening, and ensuring they won't detach even under long-term vibration. Their lifespan is synchronized with the baffle 2. This eliminates additional assembly processes, allowing for production after a single machining cycle, reducing the number of parts and inventory costs. Furthermore, the weld or integral cast reinforcement allows for precise torque calculation, ensuring the baffle reaches the designed clamping force upon leaving the factory, eliminating the need for on-site adjustments and improving batch consistency.

[0030] In one embodiment of this application, the inner diameter of the second water passage 3a is larger than the inner diameter of the first water passage 2a. The larger size of the second water passage 3a on the cover 3 ensures that debris such as branches and leaves fall through the second water passage 3a when the baffle 2 is opened, thus falling into the waste box 7 below, preventing debris from accumulating inside the cover 3 and affecting sewage discharge. Correspondingly, the hinged drainage assembly 100 also includes a waste box 7; for details, please refer to further description. Figure 3The trash can 7 is hung on the cover 3 and is used to collect trash flushed from the drain outlet. The trash can 7 is suspended below the cover 3, allowing leaves and plastic bags flushed in to fall directly into the can. Maintenance personnel only need to pull out the can to empty it, without having to remove the entire cover 3 or crawl into the trench for cleaning. A third drainage hole 7a is located at the bottom of the can, allowing water to drain immediately without accumulating or emitting odors, keeping the trench clean and ensuring unobstructed drainage, significantly reducing the workload of daily inspections and dredging. A drain outlet 7b is formed between the trash can 7 and the cover 3. When trash accumulates in the trash can 7 and blocks the third drainage hole 7a, wastewater can be discharged through the drain outlet 7b, while the heavier trash accumulates inside the trash can 7.

[0031] This application also proposes a drainage system, which includes the hinged drainage component 100 mentioned above. The specific structure of the hinged drainage component 100 is as described in the above embodiments. Since this drainage system adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0032] The above description is merely an exemplary embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the technical concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A hinged drainage assembly, characterized in that, include: An installation frame is mounted on the wall and located around the drain outlet. The installation frame has an opening that communicates with the drain outlet. A baffle is rotatably mounted on the mounting frame and covers the drain outlet. The baffle has multiple first water passage holes and is configured to open when the actual water flow from the drain outlet is greater than a preset water flow. A cover is provided on the mounting frame and covers the drain outlet, and the cover has multiple second water passage holes.

2. The hinged drainage assembly as described in claim 1, characterized in that, The cover and the wall form a receiving cavity, the baffle is movably disposed in the receiving cavity, and the drain outlet is connected to the receiving cavity.

3. The hinged drainage assembly as described in any one of claims 1 or 2, characterized in that, The hinged drainage assembly includes a first mounting plate and a second mounting plate. The first mounting plate is disposed on the mounting frame or the wall, and the second mounting plate is rotatably connected to the first mounting plate. The baffle is detachably disposed on the second mounting plate.

4. The hinged drainage assembly as described in claim 3, characterized in that, The first mounting plate has a first pivot hole near the second mounting plate, and the second mounting plate has a second pivot hole near the first mounting plate. The hinged drainage assembly also includes a pivot rod that passes through the first pivot hole and the second pivot hole.

5. The hinged drainage assembly as described in claim 3, characterized in that, The baffle is threadedly connected to the second mounting plate.

6. The hinged drainage assembly as described in claim 3, characterized in that, The hinge-type drainage assembly also includes a counterweight, which is located at the end of the baffle away from the second mounting plate. The counterweight and the baffle are integrally formed, or the counterweight and the baffle are welded together.

7. The hinged drainage assembly as described in claim 1, characterized in that, The inner diameter of the second water passage is larger than the inner diameter of the first water passage.

8. The hinged drainage assembly as described in claim 1, characterized in that, The hinged drainage assembly also includes a garbage box, which is hung on the cover and used to collect garbage flushed out of the drain outlet.

9. The hinged drainage assembly as described in claim 1, characterized in that, The baffle is made of stainless steel; and / or The cover is made of stainless steel.

10. A drainage system, characterized in that, Includes the hinged drainage assembly as described in any one of claims 1 to 9.

Images