Flap water escape valve for dock, dock drainage gallery and dock drainage system

Abstract

The utility model discloses a flap sluice valve for a dock, a dock drainage gallery and a dock drainage system, the flap sluice valve for the dock comprises a valve body and a flap, the valve body is cylindrical, the two ends of the valve body are communicated with the outside, and the two ends of the valve body are respectively constructed into a water inlet surface and an inclined first water retaining surface; the turning plate is rotationally arranged on the first water retaining face and used for controlling opening and closing of the valve body. The dock drainage gallery comprises the flap water escape valve for the dock. The dock drainage system comprises the dock drainage gallery. According to the flap water escape valve for the dock, the dock drainage gallery and the dock drainage system, a valve element is replaced with the flap, the flow of circulating water is increased, the dirt passing performance is higher, the probability of valve blockage is smaller, dredging by professional dredging personnel such as divers is not needed, and the additional use cost is lower; and meanwhile, the structure is simple, overhaul and maintenance are more convenient, and the long-term use cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of dock drainage equipment, in particular to a flap drain valve for a dock, a dock drainage corridor and a dock drainage system. Background Technique

[0002] As an important infrastructure for shipbuilding, the volume of a dry dock is usually in hundreds of thousands of cubic meters. The drainage work of the entire dock drainage system is time-consuming and laborious. Especially in the final stage, after the water level drops, all garbage, floating logs and other sundries flow along the water to the sump, and then the water is transported to the drainage corridor through the sump. A check valve often needs to be arranged on its transportation route, which can only discharge water and cannot intake water in reverse.

[0003] Although there is a trash rack in front of the sump to isolate large-sized dirt, it is difficult to prevent dirt smaller than the hole size of the trash rack from entering the sump. At the same time, due to the large drainage volume, the existing check valve structure form does not meet the requirements. Specifically: First, small-sized dirt will get stuck at the spool position; Second, the spool opening and closing form structure is complex, the water flow throughput is small, the cost is high, and it is not easy to maintain.

[0004] Due to the above reasons, the sump is often blocked and unable to drain water, and professional dredging personnel such as divers are needed to dredge it, resulting in additional cost. Content of the Utility Model

[0005] The purpose of the utility model is to provide a flap drain valve for a dock, a dock drainage corridor and a dock drainage system, which solves the problems of small drainage volume and easy blockage of the existing dock drainage system.

[0006] The utility model is realized by the following technical solutions:

[0007] In the first aspect, the utility model provides a flap drain valve for a dock, including a valve body and a flap. The valve body is cylindrical and both ends are communicated with the outside. The two ends of the valve body are respectively constructed as a water inlet surface and an inclined first water retaining surface; the flap is rotatably arranged on the first water retaining surface and is used to control the opening and closing of the valve body.

[0008] In a possible design, a vertical plate, a connecting shaft and a support plate are arranged on the outer periphery of the valve body. The vertical plate is fixed on the valve body, the connecting shaft is arranged through the vertical plate, one end of the support plate is hinged to the connecting shaft, and the other end of the support plate is fixedly connected to the flap. Correspondingly, the flap and the support plate can rotate around the connecting shaft.

[0009] In a possible design, there are two vertical plates which are fixedly arranged at intervals on the top of the valve body;

[0010] The connecting shaft is passed through the two vertical plates. Correspondingly, the connecting shaft is divided into a first section located between the two vertical plates and a second section located outside the two vertical plates. The support plate is hinged to the first section, and a detachable locking member is provided on the second section;

[0011] There are two support plates arranged at intervals. The upper ends of the support plates are hinged to the first section, and the lower ends of the support plates are fixedly connected to the flap.

[0012] In a possible design, the flap has two opposite outer surfaces. One side is the second water retaining surface facing the first water retaining surface, and a sealing structure adapted to the valve body is provided on the second water retaining surface. Correspondingly, a matching seat plate is provided on the inner circumference of the valve body; the other side is constructed as an exposed surface facing away from the first water retaining surface, and reinforcing ribs are provided on the exposed surface.

[0013] In a possible design, the sealing structure includes a sealing plate configured as a ring and a retaining ring for fixing the sealing plate;

[0014] The sealing plate is made of an elastic waterproof material. The outer diameter of the sealing plate is larger than the inner diameter of the valve body. When the flap presses against the first water retaining surface and closes the valve body, the sealing plate deforms and is inserted into the valve body and abuts against the seat plate;

[0015] A number of fixing rods are detachably provided on the retaining ring. The fixing rods pass through the retaining ring and the sealing plate and then connect to the flap to fix the sealing plate.

[0016] In a possible design, the seat plate is configured as a boss. Correspondingly, the seat plate has a relative top surface and bottom surface, and relative sealing surfaces and a third water retaining surface;

[0017] The bottom surface of the seat plate is fixedly connected to the valve body. The top surface or the sealing surface of the seat plate abuts against the sealing plate. The third water retaining surface of the seat plate is configured as an inclined surface, and along the water flow direction, the third water retaining surface gradually inclines from the inner circumference of the valve body and is connected to the top surface of the seat plate.

[0018] In a second aspect, the present utility model provides a dock drainage corridor, including a corridor and the dock flap drain valve provided on the corridor.

[0019] In a possible design, a trash rack and a receiving net are provided on the corridor;

[0020] The trash rack is fixed on the corridor and is used to intercept dirt;

[0021] The receiving net is located upstream of the trash rack. Sliders and lifting ropes are provided on the sides of the receiving net. Sliding grooves adapted to the sliders are provided on both the trash rack and the side wall of the corridor. The sliding grooves extend from below the liquid level to above the liquid level. A number of sliders are provided and are respectively slidably arranged in the sliding grooves. A number of lifting ropes are provided and respectively extend along the sliding grooves to the outside of the corridor;

[0022] Correspondingly, a lifting device is provided outside the corridor. The lifting device is connected to the storage net through a lifting rope to lift the storage net from bottom to top.

[0023] In a possible design, there are several sliding grooves, and the several sliding grooves gradually converge from bottom to top.

[0024] In a third aspect, the present utility model provides a dock drainage system, including the dock drainage corridor described above.

[0025] Compared with the prior art, the present utility model has the following advantages and beneficial effects:

[0026] By replacing the valve core with a flap, the flow rate of the flowing water is increased, the dirt passing performance is stronger, the probability of valve blockage is smaller, there is no need for professional dredging personnel such as divers to dredge, and the additional use cost is less; at the same time, the structure is simple, the inspection and maintenance are more convenient, which helps to reduce the long-term use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0028] Figure 1 It is a schematic structural diagram of a flap drain valve for a dock.

[0029] Figure 2 For Figure 1 The sectional structure diagram.

[0030] Figure 3 For Figure 1 The front view structural diagram.

[0031] Figure 4 It is a schematic structural diagram of a dock drainage corridor.

[0032] Marks in the drawings and corresponding component names:

[0033] 1. Valve body; 2. Flap; 3. Vertical plate; 4. Connecting shaft; 5. Support plate; 6. Seat plate; 7. Reinforcing rib; 8. Sealing plate; 9. Pressure ring; 10. Fixed rod; 11. Corridor; 12. Trash rack; 13. Storage net; 14. Lifting rope; 15. Lifting device; 16. Ring platform. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] To make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with embodiments and the accompanying drawings. The illustrative embodiments of the present utility model and their descriptions are only used to explain the present utility model and are not intended to limit the present utility model.

[0035] Embodiment:

[0036] As Figures 1-4 shown, a flap drain valve for a dock includes a valve body 1 and a flap 2. The valve body 1 is cylindrical and both ends communicate with the outside world. The two ends of the valve body 1 are respectively configured as a water inlet surface and an inclined first water retaining surface; the flap 2 is rotatably arranged on the first water retaining surface and is used to control the opening and closing of the valve body 1.

[0037] The flap drain valve for the dock has improved the structure. The flap 2 for controlling the opening and closing is arranged outside the valve body 1. By rotating the flap 2, the opening and closing of the valve body 1 can be controlled, and there is no need for a valve core in the prior art. On the one hand, the structure is simplified, and the problem of dirt being stuck in the valve core is avoided. On the other hand, the water flow circulation is increased, and the drainage volume is larger. At the same time, the drainage direction is one-way drainage, acting as a check valve to prevent the discharged water from flowing back.

[0038] Among them, the valve body 1 can be configured as a cylindrical duplex stainless steel structure, or any suitable material and any suitable shape can be selected to adapt to drainage corridors of different shapes, broadening the scope of use; the first water retaining surface is configured as an inclined surface, which is convenient for placing the flap 2, and at the same time, the flap 2 is closed by its own gravity, simplifying the structure while ensuring that the flap 2 effectively retains water. And as Figure 1 shown, the valve body 1 is provided with an extended ring platform 16 at the water inlet surface end, and the ring platform 16 is used to connect other devices to fix the valve body 1 on the drainage corridor.

[0039] The flap 2 can be cut from an oval duplex stainless steel plate, or processed from any other suitable plate; for the flap 2, since the first water retaining surface is inclined, the flap 2 can press against the first water retaining surface under its own gravity, closing the valve body 1; conversely, applying an external force, or using the force of the water flow, to make the flap 2 rotate and separate from the first water retaining surface, the valve body 1 opens and communicates with the outside world, and the water flow passes through the valve body 1 and is discharged. Further, the opening degree of the flap 2 can also be used to control the drainage volume of the flap drain valve for the dock. Therefore, when draining water, the staff can rotate the flap 2 to a suitable position as needed.

[0040] During operation, the flap 2 generally presses against the first water retaining surface to shut off the valve body 1. When it is necessary to drain water outward, the flap 2 rotates and separates from the first water retaining surface, the valve body 1 opens, and the water flow flows out from the valve body 1.

[0041] Based on this, the flap drain valve for the dock replaces the valve core with the flap 2, increasing the flow rate of the flowing water, having stronger dirt passing performance, a lower probability of valve blockage, and eliminating the need for professional dredging personnel such as divers, resulting in less additional usage cost. At the same time, the structure of the flap drain valve for the dock is simple, making inspection and maintenance more convenient, which helps to reduce the long-term usage cost.

[0042] In a possible implementation, a vertical plate 3, a connecting shaft 4, and a support plate 5 are provided on the outer periphery of the valve body 1. The vertical plate 3 is fixed on the valve body 1, the connecting shaft 4 is passed through the vertical plate 3, one end of the support plate 5 is hinged to the connecting shaft 4, and the other end of the support plate 5 is fixedly connected to the flap 2. Correspondingly, the flap 2 and the support plate 5 can rotate around the connecting shaft 4.

[0043] Based on the above design, the vertical plate 3, the connecting shaft 4, and the support plate 5 form a connecting structure. The connecting structure is not only used for connecting the valve body 1 and the flap 2, but also realizes the rotation of the flap 2 through the setting of the connecting shaft 4. Specifically, the vertical plate 3 is fixed on the valve body 1 and serves as a fixed support. It is easy to understand that multiple vertical plates 3 can be set as needed to improve the mechanical performance. The connecting shaft 4 plays a connecting role and can also rotate. The size of one end of the support plate 5 connected to the connecting shaft 4 is relatively small, avoiding the support plate 5 from abutting against surrounding components and improving the flexibility of rotation. Similarly, multiple support plates 5 can also be set.

[0044] In addition, both the vertical plate 3 and the support plate 5 can be made of any suitable material and constructed into any suitable shape, and the present utility model does not make any restrictions on this.

[0045] Optionally, as Figures 1-3 shown, there are two vertical plates 3 which are fixedly spaced on the top of the valve body 1;

[0046] The connecting shaft 4 is passed through the two vertical plates 3. Correspondingly, the connecting shaft 4 is divided into a first section located between the two vertical plates 3 and a second section located outside the two vertical plates 3. The support plate 5 is hinged to the first section, and a detachable locking member is provided on the second section;

[0047] There are two support plates 5 which are spaced apart. The upper ends of the support plates 5 are hinged to the first section, and the lower ends of the support plates 5 are fixedly connected to the flap 2.

[0048] Furthermore, both the vertical plate 3 and the support plate 5 are made of duplex stainless steel, the connecting shaft 4 is made of a hollow stainless steel pipe, and the locking member is a nut. Correspondingly, the connecting shaft 4 is provided with threads.

[0049] In a possible implementation, the flap 2 has two opposite outer surfaces, one side of which is the second water retaining surface facing the first water retaining surface. A sealing structure adapted to the valve body 1 is provided on the second water retaining surface. Correspondingly, a mating seat plate 6 is provided on the inner circumference of the valve body 1; the other side is configured as an exposed surface facing away from the first water retaining surface, and reinforcing ribs 7 are provided on the exposed surface.

[0050] Based on the above design, the sealing performance of the flap 2 is improved through the sealing structure, effectively preventing leakage. The strength and stiffness of the flap 2 are improved by the arrangement of the reinforcing ribs 7, overcoming the deformation of the flap 2 caused by uneven thickness, ensuring the sealing performance; optionally, a plurality of reinforcing ribs 7 can be provided and arranged in any suitable shape.

[0051] Optionally, the sealing structure includes a sealing plate 8 configured as a ring and a retaining ring 9 for fixing the sealing plate 8;

[0052] The sealing plate 8 is made of an elastic waterproof material. The outer diameter of the sealing plate 8 is larger than the inner diameter of the valve body 1. When the flap 2 presses against the first water retaining surface and closes the valve body 1, the sealing plate 8 deforms and is inserted into the valve body 1 and abuts against the seat plate 6;

[0053] A plurality of fixing rods 10 are detachably provided on the retaining ring 9. The fixing rods 10 pass through the retaining ring 9 and the sealing plate 8 and then connect to the flap 2 to fix the sealing plate 8.

[0054] Based on the above design, the sealing plate 8 is made of an elastic waterproof material such as nitrile rubber. Optionally, the sealing plate 8 is cut and formed from a rubber plate; when the sealing plate 8 is inserted into the valve body 1, the sealing plate 8 can be appropriately deformed and closely attached to the valve body 1, thereby improving the sealing performance and reducing the probability of leakage; at the same time, the seat plate 6 is used to increase the force-bearing area and reduce the extrusion force on the sealing plate 8, which helps to improve the service life of the sealing plate 8. The retaining ring 9 is used to fix the sealing plate 8 and also fixes the sealing plate 8 on the flap 2. It is easy to understand that the fixing rods 10 can be selected as bolts.

[0055] In a possible implementation, the seat plate 6 is configured as a boss. Correspondingly, the seat plate 6 has opposite top and bottom surfaces, and opposite sealing surfaces and a third water retaining surface;

[0056] The bottom surface of the seat plate 6 is fixedly connected to the valve body 1. The top surface or the sealing surface of the seat plate 6 abuts against the sealing plate 8. The third water retaining surface of the seat plate 6 is configured as an inclined surface, and along the water flow direction, the third water retaining surface gradually inclines from the inner circumference of the valve body 1 and is connected to the top surface of the seat plate 6.

[0057] Based on the above design, according to the different sizes of the sealing plate 8, the top surface or the sealing surface of the seat plate 6 contacts the sealing plate 8 to ensure a flat contact surface between the valve body 1 and the sealing plate 8, prevent leakage, and ensure the sealing effect. At the same time, in order to avoid the seat plate 6 intercepting some small-sized dirt, an inclined third water retaining surface is designed, and the dirt can flow through the seat plate 6 under the drive of the water flow, avoiding being intercepted and reducing dirt deposition.

[0058] Based on this shipyard flap drain valve of this embodiment, a shipyard drainage corridor is introduced. The shipyard drainage corridor includes a corridor 11 and the shipyard flap drain valve provided on the corridor 11.

[0059] Based on this, the corridor 11 can be constructed in any suitable shape, or any suitable pipe can be selected. Correspondingly, the shipyard flap drain valve is provided on the corridor 11 to control the opening and closing of the corridor 11.

[0060] For the shipyard drainage corridor, the dirt in the corridor 11 is intercepted by the trash rack 12. However, the accumulation of dirt on the trash rack 12 will increase the pressure on the trash rack 12. Therefore, it is necessary to clean it in time. Specifically: as Figure 4 shown, the corridor 11 is provided with a trash rack 12 and a receiving net 13;

[0061] The trash rack 12 is fixed on the corridor 11 and is used to intercept dirt;

[0062] The receiving net 13 is located upstream of the trash rack 12. The side of the receiving net 13 is provided with sliders and lifting ropes 14. The trash rack 12 and the side wall of the corridor 11 are both provided with chutes adapted to the sliders. The chutes extend from below the liquid level to above the liquid level. There are several sliders which are respectively slidably arranged in the chutes, and there are several lifting ropes 14 which respectively extend along the chutes to the outside of the corridor 11;

[0063] Correspondingly, a lifting device 15 is provided outside the corridor 11. The lifting device 15 is connected to the receiving net 13 through the lifting rope 14 to pull up the receiving net 13 from bottom to top.

[0064] Based on the above design, the trash rack 12 can be selected from any suitable existing model to adapt to the corresponding interception requirements. The receiving net 13 is arranged below the liquid level. When cleaning the dirt at the trash rack 12, the lifting device 15 applies a force and pulls up the receiving net 13. The receiving net 13 rises along the chute through the slider. The dirt above the receiving net 13 is lifted by the receiving net 13 and separated from the trash rack 12, realizing the cleaning of the dirt and restoring the water passing capacity of the trash rack 12.

[0065] Furthermore, the side of the receiving net 13 is closely attached to the trash rack 12 and the side wall of the corridor 11 through the slider, which helps to expand the receiving area of the receiving net 13 to ensure that as much dirt as possible is fished up and improves the cleaning efficiency.

[0066] It is easy to understand that the lifting rope 14 and the lifting device 15 can be any suitable existing devices.

[0067] Preferably, there are several sliding grooves, and the several sliding grooves gradually converge from bottom to top. Based on this, after the dirt is collected, the side edges of the collection net 13 gradually converge along with the sliding grooves, reducing the probability of the dirt falling off and detaching from the collection net 13, and improving the comprehensiveness of cleaning.

[0068] This embodiment also introduces a dock drainage system, and the dock drainage system includes the above-mentioned dock drainage corridor. Based on this, the dock drainage system has a large water flow rate, strong dirt passing ability, and can avoid valve jamming. Moreover, other any suitable functional modules can be set in the dock drainage system to enrich the functions and meet the actual use requirements; it is easy to understand that the functional modules can be any suitable existing devices.

[0069] The specific embodiments described above have further elaborated on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flap drain valve for a dock, characterized in that: The valve body (1) comprises a valve body (1) and a flap (2); the valve body (1) is cylindrical and both ends of the valve body (1) are connected to the outside; the two ends of the valve body (1) are respectively configured as a water inlet surface and an inclined first water retaining surface; the flap (2) is rotatably arranged on the first water retaining surface and is used to control the opening and closing of the valve body (1).

2. The dock flap drain valve according to claim 1, characterized in that: A vertical plate (3), a connecting shaft (4) and a support plate (5) are provided on the outer periphery of the valve body (1); the vertical plate (3) is fixed on the valve body (1); the connecting shaft (4) is passed through the vertical plate (3); one end of the support plate (5) is hinged to the connecting shaft (4); the other end of the support plate (5) is fixedly connected to the flap (2); accordingly, the flap (2) and the support plate (5) can rotate around the connecting shaft (4).

3. The dock flap drain valve according to claim 2, characterized in that: Two vertical plates (3) are provided and fixed at intervals on the top of the valve body (1); The connecting shaft (4) is passed through the two vertical plates (3); accordingly, the connecting shaft (4) is divided into a first section located between the two vertical plates (3) and a second section located outside the two vertical plates (3); the support plate (5) is hinged to the first section, and a detachable locking member is provided on the second section; Two support plates (5) are provided and spaced apart from each other. The upper end of the support plate (5) is hinged to the first section, and the lower end of the support plate (5) is fixedly connected to the flap (2).

4. The dock flap drain valve according to any one of claims 1 to 3, characterized in that: The flap (2) has two opposing outer surfaces, one of which is a second water retaining surface facing the first water retaining surface, the second water retaining surface being provided with a sealing structure adapted to the valve body (1), and correspondingly, an adapted seat plate (6) is provided on the inner periphery of the valve body (1); the other side is constructed as an exposed surface facing away from the first water retaining surface, the exposed surface being provided with reinforcing ribs (7).

5. The dock flap drain valve according to claim 4, characterized in that: The sealing structure comprises a sealing plate (8) constructed in an annular shape and a pressure ring (9) for fixing the sealing plate (8); The sealing plate (8) is made of an elastic waterproof material. The outer diameter of the sealing plate (8) is larger than the inner diameter of the valve body (1). When the flap (2) presses against the first water retaining surface and closes the valve body (1), the sealing plate (8) is deformed and inserted into the valve body (1) and abuts against the seat plate (6). A plurality of fixing rods (10) are detachably provided on the pressure ring (9), and the fixing rods (10) pass through the pressure ring (9) and the sealing plate (8) and are connected to the flap (2) to fix the sealing plate (8).

6. The dock flap drain valve according to claim 4, characterized in that: The seat plate (6) is constructed as a boss; accordingly, the seat plate (6) has an opposite top surface and a bottom surface, as well as an opposite sealing surface and a third water retaining surface; The bottom surface of the seat plate (6) is fixedly connected to the valve body (1), the top surface or sealing surface of the seat plate (6) is in contact with the sealing plate (8), and the third water retaining surface of the seat plate (6) is constructed as an inclined surface, and along the direction of water flow, the third water retaining surface is gradually inclined from the inner periphery of the valve body (1) and connected to the top surface of the seat plate (6).

7. A dock drainage corridor, characterized in that: The invention comprises a corridor (11) and a dock flap drain valve according to any one of claims 1 to 6, which is arranged on the corridor (11).

8. The dock drainage corridor according to claim 7, characterized in that: A trash rack (12) and a collection net (13) are provided on the corridor (11); The trash rack (12) is fixed on the gallery (11) and is used to intercept trash; The receiving net (13) is located upstream of the trash rack (12), and a slider and a pull rope (14) are provided on the side of the receiving net (13). The trash rack (12) and the side wall of the corridor (11) are both provided with a slide groove adapted for the slider, and the slide groove extends from below the liquid surface to above the liquid surface. A plurality of sliders are provided and are slidably arranged in the slide grooves, and a plurality of pull ropes (14) are provided and extend along the slide grooves to the outside of the corridor (11); Correspondingly, a lifting device (15) is provided outside the corridor (11), and the lifting device (15) is connected to the storage net (13) via a lifting rope (14) so ​​as to pull up the storage net (13) from bottom to top.

9. The dock drainage gallery according to claim 8, characterized in that: A plurality of chutes are provided, and the plurality of chutes are gradually gathered from bottom to top.

10. A dock drainage system, characterized in that: The invention comprises the dock drainage gallery as described in any one of claims 7 to 9.

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