A waterproof cover plate
By designing a flexible waterstop strip and an air-filled cavity structure for the waterproof cover, the problem of water leakage at the hoisting hole of the lock's control room was solved, achieving both sealing effect and aesthetics, and facilitating installation and maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD
- Filing Date
- 2025-04-23
- Publication Date
- 2026-06-19
AI Technical Summary
The cover plates of the hoisting holes in the existing lock control room are prone to water leakage in rainy weather, which affects the use of equipment and damages the appearance of the lock top.
A waterproof cover plate was designed, which uses a water-stop sealing component composed of a flexible water-stop strip and fasteners. The sealing is achieved through interference fit and an air chamber. The flexible water-stop strip is detachably connected to the outside of the cover plate body, and the air chamber is used to adjust the sealing pressure, which facilitates installation and disassembly.
It effectively prevents rainwater from seeping into the gate room, maintains the flatness of the gate top, is aesthetically pleasing and practical, has a good sealing effect, and is easy to replace and maintain.
Smart Images

Figure CN224378952U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lock cover technology, specifically to a waterproof cover. Background Technology
[0002] The lock gate control room is an enclosed room that houses the miter gates and valve opening and closing equipment. Due to the large size of the equipment, it is mainly lifted into and out of the lock through the lifting hole on the top of the lock, which is sealed with a steel structure cover plate.
[0003] Currently, there are two main methods for sealing the hoisting openings in domestic ship lock control rooms. One method involves slotting the opening and placing a cover plate inside, with the top of the cover plate flush with the top of the lock. This results in a smooth, uniform, and aesthetically pleasing appearance. However, there is no water-stopping seal between the cover plate and the slot, leading to leakage during rainy weather. Rainwater seeps into the control room, affecting its operation. The other method involves installing a water-retaining sill at the opening, with the cover plate completely covering it. While this method avoids leakage, the cover plate protrudes from the lock top, disrupting its flatness. The lock top serves as a passageway on both sides of the lock, impacting aesthetics and traffic flow. Therefore, a cover plate that does not protrude from the lock top while providing waterproofing is needed, satisfying both the aesthetic and practical requirements of ship locks.
[0004] In conclusion, there is an urgent need for a waterproof cover to solve, or at least partially solve, the problems existing in the prior art. Utility Model Content
[0005] The purpose of this utility model is to provide a waterproof cover plate, which aims to solve the problem that existing cover plates are prone to water leakage at the edges, thus threatening the equipment below. The specific technical solution is as follows:
[0006] A waterproof cover plate includes a cover plate body and a water-stop sealing element. The water-stop sealing element is arranged around the outer wall of the cover plate body. The first water-stopping side of the water-stop sealing element abuts and seals against the outer wall of the cover plate body, and the second water-stopping side of the water-stop sealing element is away from the outer wall of the cover plate body and is arranged outward.
[0007] Furthermore, the water-stop sealing element includes a flexible water-stop strip and fasteners. The flexible water-stop strip is arranged around the cover plate body and is detachably connected to the outside of the cover plate body by fasteners.
[0008] Furthermore, an air chamber is provided inside the flexible waterstop strip, and an air nozzle and a valve are provided on the flexible waterstop strip. The valve is arranged inside the air nozzle, one end of the air nozzle is connected to the air chamber inside the flexible waterstop strip, and the second end of the air nozzle is arranged upward through the cover plate body.
[0009] Furthermore, the fasteners include a pressure plate and bolts. The pressure plate presses on the flexible waterstop strip, and the bolts are arranged to pass through the pressure plate, the flexible waterstop strip, and the support plate in sequence, with the bolt heads sinking into the flexible waterstop strip.
[0010] Furthermore, the flexible waterstop strip includes an upper waterstop lip, a lower waterstop lip, and a connecting part. The upper waterstop lip and the lower waterstop lip are connected through the connecting part. A first through hole is provided on the connecting part. A pressure plate is pressed on the connecting part, and bolts are arranged through the first through hole. An air inlet is provided on the upper waterstop lip.
[0011] Furthermore, an air chamber is also provided inside the lower water stop lip, and a second through hole is provided on the connecting part. The first end of the second through hole is connected to the air chamber inside the upper water stop lip, and the second end of the second through hole is connected to the air chamber inside the lower water stop lip.
[0012] Furthermore, the cover plate body includes a panel and a support plate. The support plate is fixedly connected to one side of the panel and is arranged around the edge of the panel. The water-stop sealing element is arranged around the outside of the support plate.
[0013] Furthermore, it also includes main ribs, with two main ribs arranged crosswise below the panel, and the top of the main ribs being fixedly connected to the bottom of the panel, and both ends of the main ribs being fixedly connected to the support plate.
[0014] Furthermore, it also includes small ribs, the top of which is fixedly connected to the bottom of the panel, and both ends of which are fixedly connected to the support plate.
[0015] Furthermore, multiple small ribs are arranged, each of which is parallel to one of the two main ribs, and the multiple small ribs are arranged at intervals.
[0016] The application of the technical solution of this utility model has the following beneficial effects:
[0017] The first water-stopping side (i.e., the inner side) of the water-stopping seal abuts against the outer wall of the cover plate body for sealing, and the second water-stopping side (i.e., the outer side) of the water-stopping seal abuts against the inner wall of the lifting hole for sealing. At this time, the water-stopping seal is interference-fitted in the lifting hole, and the sealing is achieved by interference fit, preventing rainwater from flowing into the lock opening and closing machine room from between the lifting hole and the waterproof cover plate.
[0018] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. These will be described below with reference to... Figures 1-6 The present invention will be described in further detail below. Attached Figure Description
[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:
[0020] Figure 1 This is a cross-sectional view of a waterproof cover plate according to this utility model;
[0021] Figure 2 This is a schematic diagram of the overall structure of a waterproof cover plate according to this utility model;
[0022] Figure 3 This is a cross-sectional view of a waterproof cover plate of this utility model covering the hole for hanging objects;
[0023] Figure 4 yes Figure 3 Enlarged view at point A in the middle;
[0024] Figure 5 yes Figure 3 Enlarged view at point B;
[0025] Figure 6 This is the second cross-sectional view of a waterproof cover plate of this utility model covering a hanging hole.
[0026] The components include: 1. Cover plate body; 11. Panel; 12. Support plate; 13. Main rib plate; 14. Small rib plate; 2. Water-stop sealing element; 21. Flexible water-stop strip; 211. Inflation chamber; 212. Air nozzle; 213. Valve; 214. Upper water-stop lip; 215. Lower water-stop lip; 216. Connecting part; 217. Second through hole; 22. Fastener; 221. Pressure plate; 222. Bolt. Detailed Implementation
[0027] To facilitate understanding of this invention, a more comprehensive description is provided below, along with preferred embodiments. However, this invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this invention.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
[0029] Example:
[0030] See Figures 1-6 This embodiment provides a waterproof cover plate, including a cover plate body 1 and a water-stop sealing member 2. The water-stop sealing member 2 is arranged around the outer wall of the cover plate body 1. The first water-stopping side of the water-stop sealing member 2 abuts and seals against the outer wall of the cover plate body 1, and the second water-stopping side of the water-stop sealing member 2 is away from the outer wall of the cover plate body 1 and is arranged outward.
[0031] It should be noted that in the existing lock control room, the top of the control room is equipped with a stepped hoisting hole. The waterproof cover is placed over the hoisting hole to seal it and also to prevent rainwater from entering the lock control room and causing irreversible damage to the equipment inside, or causing water to enter the lock control room and prevent the operators from entering the lock control room to work.
[0032] It should be noted that when the waterproof cover is placed in the lifting hole, the lower surface of the cover body 1 abuts against and is supported on the step of the lifting hole. The first water-stopping side (i.e., the inner side) of the water-stopping seal 2 abuts against the outer wall of the cover body 1 for sealing, and the second water-stopping side (i.e., the outer side) of the water-stopping seal 2 abuts against the inner wall of the lifting hole for sealing. At this time, the water-stopping seal 2 is interference-fitted in the lifting hole, and the seal is achieved by the interference fit, preventing rainwater from flowing into the lock's operating room from between the lifting hole and the waterproof cover. In actual use, a steel plate is installed around the inner wall of the lifting hole, and the water-stopping seal 2 abuts against the steel plate for sealing. The steel plate is smoother than the cement surface, resulting in a better sealing effect and making it less likely to damage the water-stopping seal 2. In addition, the waterproof cover is recessed into the lifting hole so that the top surface of the waterproof cover is flush with the top surface of the lock's operating room.
[0033] In a preferred embodiment, the water-stop seal 2 includes a flexible water-stop strip 21 and a fastener 22. The flexible water-stop strip 21 is arranged around the cover plate body 1 and is detachably connected to the outside of the cover plate body 1 by the fastener 22.
[0034] It should be noted that the flexible waterstop strip 21 is made of one of the following materials: rubber, silicone, or polyurethane.
[0035] It is known that by using a flexible waterstop strip 21 for sealing, the flexible waterstop strip 21 is made of materials with good elastic deformation ability such as rubber, silicone or polyurethane, achieving a better sealing effect. In addition, it is connected detachably using fasteners 22, so that the flexible waterstop strip 21 can be easily replaced when it is worn or damaged.
[0036] In a preferred embodiment, an inflation chamber 211 is provided inside the flexible waterstop strip 21. An air nozzle 212 and a valve 213 are provided on the flexible waterstop strip 21. The valve 213 is arranged inside the air nozzle 212. One end of the air nozzle 212 communicates with the inflation chamber 211 inside the flexible waterstop strip 21, and the second end of the air nozzle 212 extends upward through the cover plate body 1. Specifically, the valve 213 is a valve core. Air can be added to the inflation chamber 211 without removing the valve 213. When inflation stops, the valve 213 closes to prevent gas from escaping from the inflation chamber 211. Simultaneously, when it is necessary to release air, the valve 213 can be manually pressed to allow the gas in the inflation chamber 211 to be discharged.
[0037] It should be noted that during the research process, it was found that when using an interference fit for sealing, the waterproof cover requires a large force to install and remove, which is not conducive to the installation and removal of the waterproof cover.
[0038] As can be seen, with the above arrangement, when the waterproof cover needs to be installed, the gas in the inflation chamber 211 is discharged through the air nozzle 212 and valve 213. At this time, the flexible waterstop strip 21 contracts. When the flexible waterstop strip 21 contracts, it is convenient to install the waterproof cover. After the waterproof cover is installed in place, an air pump is connected to the air nozzle 212, and the inflation chamber 211 is manually inflated. After inflation, the flexible waterstop strip 21 expands, and its inner and outer sides abut against the outer surface of the support plate 12 and the inner surface of the lifting hole, respectively, to achieve a seal. The pressure of the flexible waterstop strip 21 against the support plate 12 and against the inner wall of the lifting hole can be adjusted by the gas pressure in the inflation chamber 211. The more air is inflated, the greater the pressure in the inflation chamber 211, and the greater the pressure exerted by the flexible waterstop strip 21 against the support plate 12 and the inside of the lifting hole; conversely, the less air is inflated, the less pressure is exerted. After inflation is complete, the valve 213 prevents gas from escaping from the air nozzle 212, maintaining a constant pressure in the inflation chamber 211. At this point, the installation of the waterproof cover is complete. When it is necessary to remove the waterproof cover, the valve 213 is opened, allowing the gas in the inflation chamber 211 to be discharged through the air nozzle 212. At this time, the flexible waterstop strip 21 retracts, and the cover can be easily opened. This structural design facilitates the installation and removal of the waterproof cover and further enhances its waterproof performance.
[0039] It is worth noting that the air-filled cavity 211 extends along the length of the flexible waterstop strip 21 and is arranged to surround the support plate 12.
[0040] In a preferred embodiment, the fastener 22 includes a pressure plate 221 and a bolt 222. The pressure plate 221 presses on the flexible waterstop strip 21, and the bolt 222 is arranged to pass through the pressure plate 221, the flexible waterstop strip 21 and the support plate 12 in sequence. The head of the bolt 222 is recessed into the flexible waterstop strip 21.
[0041] It is known that because the flexible waterstop strip 21 is relatively soft, if bolts 222 are used directly for connection, the contact area between the bolts 222 and the flexible waterstop strip 21 is small, resulting in poor connection and potential damage to the flexible waterstop strip. However, by using a pressure plate 221 to press onto the flexible waterstop strip 21 and locking it with bolts 222, the contact area between the pressure plate 221 and the flexible waterstop strip 21 is large during locking, making the flexible waterstop strip 21 less prone to damage.
[0042] It is worth noting that in this application, the waterproof cover is a square cover with rounded corners. Four pressure plates 221 are arranged independently and are pressed onto the flexible waterstop strip 21 from four directions by bolts 222. If the waterproof cover is a circular cover, the pressure plates 221 are configured as two semi-circular pressure plates 221 to press the circular flexible waterstop strip 21.
[0043] It should be noted that in some other embodiments of this application, the fastener 22 may also include only bolts 222 or screws, and the flexible waterstop strip 21 may be directly fixed to the outer wall of the support plate 12 by bolts 222 or screws.
[0044] In a preferred embodiment, the flexible waterstop strip 21 includes an upper waterstop lip 214, a lower waterstop lip 215, and a connecting portion 216. The upper waterstop lip 214 and the lower waterstop lip 215 are connected through the connecting portion 216. A first through hole is provided on the connecting portion 216. A pressure plate 221 is pressed on the connecting portion 216, and a bolt 222 is arranged through the first through hole. An air inlet 211 is provided on the upper waterstop lip 214.
[0045] It is known that the waterproof cover can be waterproofed by inflating the air chamber 211 in the upper water-stop lip 214.
[0046] In a preferred embodiment, an air chamber 211 is also provided inside the lower water stop lip 215, and a second through hole 217 is provided on the connecting part 216. The first end of the second through hole 217 is connected to the air chamber 211 inside the upper water stop lip 214, and the second end of the second through hole 217 is connected to the air chamber 211 inside the lower water stop lip 215.
[0047] It is understood that by setting air chambers 211 on both the upper water-stop lip 214 and the lower water-stop lip 215, two seals are formed along the height direction of the waterproof cover plate to achieve a better sealing effect.
[0048] In a preferred embodiment, the cover plate body 1 includes a panel 11 and a support plate 12. The support plate 12 is fixedly connected to one side of the panel 11 and is arranged around the edge of the panel 11. The water-stop sealing member 2 is arranged around the outside of the support plate 12.
[0049] The support plate 12 is fixedly connected to the lower surface of the panel 11 by welding. The support plate 12 extends along the height direction to facilitate the installation of the water-stop sealing element 2.
[0050] In a preferred embodiment, the main rib plate 13 is also included. Two main rib plates 13 are arranged crosswise below the panel 11. The top of the main rib plate 13 is fixedly connected to the bottom of the panel 11 by welding. Both ends of the main rib plate 13 are fixedly connected to the support plate 12 by welding.
[0051] It is understood that the arrangement of the main ribs 13 strengthens the panel 11, preventing it from deforming significantly during use and affecting normal operation. The main ribs 13 also improve the overall rigidity of the waterproof cover, thereby increasing its load-bearing capacity.
[0052] Of course, in some other embodiments of this application, the main rib plate 13 can also be fixedly connected to the panel 11 and the support plate 12 by riveting or screw locking.
[0053] In a preferred embodiment, a small rib plate 14 is also included. The top of the small rib plate 14 is fixedly connected to the bottom of the panel 11, and both ends of the small rib plate 14 are fixedly connected to the support plate 12. The small rib plate 14 is fixedly connected to the bottom of the panel 11 by welding, and both ends of the small rib plate 14 are fixedly connected to the support plate 12 by welding. Of course, in some other embodiments of this application, the small rib plate 14 can also be fixedly connected to the panel 11 and the support plate 12 by riveting or screw locking.
[0054] In a preferred embodiment, multiple small ribs 14 are arranged, each of which is parallel to one of the two main ribs 13, and the multiple small ribs 14 are arranged at equal intervals.
[0055] It can be seen that because the panel 11 has a large area, the arrangement of multiple small ribs 14 enhances the support for the panel 11 and improves its load-bearing capacity.
[0056] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A waterproof cover, characterized in that: It includes a cover plate body (1) and a water-stop sealing element (2). The water-stop sealing element (2) is arranged around the outer wall of the cover plate body (1). The first water-stopping side of the water-stop sealing element (2) abuts against and seals the outer wall of the cover plate body (1). The second water-stopping side of the water-stop sealing element (2) is away from the outer wall of the cover plate body (1) and is arranged outward.
2. The waterproof cover plate according to claim 1, characterized in that: The water-stop sealing element (2) includes a flexible water-stop strip (21) and a fastener (22). The flexible water-stop strip (21) is arranged around the cover plate body (1) and is detachably connected to the outside of the cover plate body (1) by the fastener (22).
3. A waterproof cover plate according to claim 2, characterized in that: An air chamber (211) is provided inside the flexible waterstop strip (21). An air nozzle (212) and a valve (213) are provided on the flexible waterstop strip (21). The valve (213) is arranged inside the air nozzle (212). One end of the air nozzle (212) is connected to the air chamber (211) inside the flexible waterstop strip (21). The second end of the air nozzle (212) is arranged upward through the cover plate body (1).
4. A waterproof cover plate according to claim 3, characterized in that: The fastener (22) includes a pressure plate (221) and a bolt (222). The pressure plate (221) presses on the flexible waterstop strip (21). The bolt (222) is arranged to pass through the pressure plate (221), the flexible waterstop strip (21) and the support plate (12) in sequence. The head of the bolt (222) is recessed into the flexible waterstop strip (21).
5. A waterproof cover plate according to claim 4, characterized in that: The flexible waterstop strip (21) includes an upper waterstop lip (214), a lower waterstop lip (215), and a connecting part (216). The upper waterstop lip (214) and the lower waterstop lip (215) are connected by the connecting part (216). The connecting part (216) is provided with a first through hole. The pressure plate (221) is pressed on the connecting part (216), and the bolt (222) is arranged through the first through hole. The air chamber (211) is provided on the upper waterstop lip (214).
6. A waterproof cover plate according to claim 5, characterized in that: An air chamber (211) is also provided inside the lower water stop lip (215). A second through hole (217) is provided on the connecting part (216). The first end of the second through hole (217) is connected to the air chamber (211) inside the upper water stop lip (214), and the second end of the second through hole (217) is connected to the air chamber (211) inside the lower water stop lip (215).
7. A waterproof cover plate according to any one of claims 1-6, characterized in that: The cover body (1) includes a panel (11) and a support plate (12). The support plate (12) is fixedly connected to one side of the panel (11) and the support plate (12) is arranged around the edge of the panel (11). The water-stop sealing element (2) is arranged around the outside of the support plate (12).
8. A waterproof cover plate according to claim 7, characterized in that: It also includes a main rib plate (13), two main rib plates (13) are arranged, the two main rib plates (13) are arranged crosswise below the panel (11), and the top of the main rib plate (13) is fixedly connected to the bottom of the panel (11), and both ends of the main rib plate (13) are fixedly connected to the support plate (12).
9. A waterproof cover plate according to claim 8, characterized in that: It also includes a small rib plate (14), the top of which is fixedly connected to the bottom of the panel (11), and both ends of which are fixedly connected to the support plate (12).
10. A waterproof cover plate according to claim 9, characterized in that: Multiple small ribs (14) are arranged, each of which is parallel to one of the two main ribs (13), and the multiple small ribs (14) are arranged at intervals.