Double-door municipal sewage pipeline flap valve self-adaptive to river water potential

Abstract

The double-door municipal sewage pipeline flap valve comprises an overflow wall frame, a main flap valve frame is rotationally arranged on one side of the overflow wall frame through a swing assembly, and a plurality of module parts are further arranged on one side of the overflow wall frame through limiting assemblies; an auxiliary flap valve capable of being opened in the side direction is further arranged in the main flap valve frame. The modular split design can be achieved, the effect of local replacement after local corrosion damage can be achieved through the independent module parts, and the installation difficulty is further reduced through the modular split design. Meanwhile, the auxiliary flap valve is arranged on the basis of an original integrated flap valve, and it is guaranteed that in the process that water needs to flush the flap valve open for water drainage, even if a main flap valve frame and a springback type flap hinge lose efficacy due to the dead weight, the auxiliary flap valve can provide the water drainage function.

Description

Technical Field

[0001] The present application relates to the technical field of municipal drainage equipment, and in particular to a double-door municipal sewage pipe flap gate capable of self-adapting to river water potential. Background Art

[0002] At present, the municipal sewage pipe network is a huge systematic project, in which the municipal sewage pipe network is connected to the urban river through overflow pipes, so the municipal sewage pipe network has quite a lot of overflow pipes. Due to social progress and optimization of urban landscape, municipal sewage must not be discharged and must be included in the treatment of the sewage pipe network. Therefore, the overflow pipe is required not to discharge sewage into the river under normal circumstances. However, it is required that under special extreme circumstances (extremely heavy rain), the overflow pipe must be connected to the river for a long time to relieve the pressure on the pipe network; in the extreme case that the river channel is responsible for drainage during the flood season, when the water level of the river channel is higher than the overflow pipe, the gate is closed to ensure that the river water does not flow back into the pipe network through the overflow pipe.

[0003] In the relevant technology, due to the different heights of the riverbed, it is impossible to unify the elevations of the overflow pipes built according to the river channel. In order to ensure that all overflow pipes do not discharge water into the river channel under normal circumstances, but can discharge water into the river channel under extreme circumstances, the current plan is to build overflow walls and flap gates at the overflow pipes in the river channel. Overflow pipes of different elevations are constructed with overflow walls of the same elevation to ensure that sewage is not discharged under normal circumstances. Long-term closed flap gates are set to maintain relative connectivity between the overflow pipes and the river channel. In the extreme case that the pipe network system cannot accommodate excessive water flow during the rainy season, the water will flow over the overflow wall, break open the flap gate and discharge water into the river channel.

[0004] The overflow wall is constructed using masonry and cement. Once the elevation of the overflow wall is determined, the elevation can only be adjusted by destructive demolition. In addition, masonry and cement operations on the overflow pipe are difficult and time-consuming.

[0005] With regard to the above-mentioned related technologies, the inventors believe that the existing flap gates are traditional cast iron flap gates, which are heavy. Taking the commonly used DN800 cast iron flap gate as an example, the overall mass is about 160kg. When the pipe network system is unable to accommodate excessive water flow due to the rainy season, the water flow needs to flush open the flap gate to flow into the river to discharge water. In the process, such a heavy flap gate combined with the long-term inactive flap gate hinges will make it difficult to flush open the flap gate, and the purpose of the flap gate to discharge water cannot be achieved. Utility Model Content

[0006] The purpose of the present application is to provide a double-door municipal sewage pipe flap gate that is adaptive to the water level of the river, so as to solve the problem that when the pipe network system cannot accommodate excessive water level due to the rainy season, the water level needs to flush open the flap gate to discharge water into the river. However, the heavy weight of the flap gate combined with the long-term inactive flap gate hinge will make it difficult to flush open the flap gate, thereby failing to achieve the purpose of the flap gate to discharge water.

[0007] The double-door municipal sewage pipe flap gate with adaptive river water potential provided in this application adopts the following technical solution:

[0008] A double-door municipal sewage pipe flap gate that is adaptive to the water potential of a river comprises an overflow wall frame, one side of the overflow wall frame is provided with a main flap gate frame that is rotatably arranged through a swing assembly, one side of the overflow wall frame is also provided with a plurality of module components through a limit assembly, and an auxiliary flap gate that opens sideways is also arranged in the main flap gate frame.

[0009] Furthermore, the limiting assembly includes module component fixing grooves symmetrically arranged on both sides of the overflow wall frame, the two module component fixing grooves are respectively matched with the module components, and a limiting component is also arranged between the module components and the overflow wall frame.

[0010] Furthermore, the limiting member includes a plurality of fixing protrusions arranged on one side of the overflow wall frame, and a plurality of fixing notches are formed on a plurality of the module components, and the fixing notches are engaged with the fixing protrusions.

[0011] Furthermore, the swing assembly includes fixed blocks symmetrically arranged on the top side of the overflow wall frame, and fixing grooves are provided on both of the fixed blocks. Swing rods are hinged in both of the fixing grooves, and the sides of the two swing rods away from the fixed blocks are connected to the top side of the main flap door frame.

[0012] Furthermore, the secondary door includes a secondary door frame arranged on the inner side of the main door frame, and the inner side of the secondary door frame is symmetrically hinged with door panels, and the two door panels open laterally respectively, and rebound door hinges are respectively arranged between the two door panels and the secondary door frame.

[0013] Furthermore, a clamping piece is provided between two adjacent module components.

[0014] Furthermore, the clamping component includes a clamping strip arranged on one side of the module component, and a clamping groove is provided on the side of the module component away from the clamping strip, and the clamping strip on one of the module components is clamped with the clamping groove on the other module component.

[0015] Furthermore, the plurality of module components are all rectangular structures, and the plurality of module components are respectively designed into specifications of three different sizes.

[0016] Compared with the prior art, the beneficial effect of the present application is that: by setting an overflow wall frame, a limit assembly and an overflow wall structure formed by the combination of several module components, a modular split design can be achieved, and the independent module components can achieve the effect of local replacement after local corrosion damage, and the modular split further reduces the difficulty of installation. At the same time, a secondary flap door is set on the basis of the original integrated flap door to ensure that in the process of water pressure needing to open the flap door to drain water, even if the main flap door frame fails due to its own weight and the rebound door hinge, the secondary flap door can provide a water drainage function. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a double-gate municipal sewage pipe flap gate that is adaptive to river water potential in an embodiment of the present application.

[0018] Figure 2 It is a schematic diagram of the structure of the module components of the embodiment of the present application.

[0019] Explanation of the reference numerals: 1. Overflow wall frame; 11. Fixing protrusion; 12. Fixing block; 13. Fixing groove; 14. Swing rod; 2. Module component; 21. Snap-in strip; 22. Snap-in groove; 23. Fixing notch; 3. Main door frame; 4. Auxiliary door frame; 41. Door panel; 42. Rebound door hinge; 5. Module component fixing groove. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-2 This application is described in further detail.

[0021] The present application embodiment discloses a double-door municipal sewage pipe flap gate that is adaptive to the water potential of a river channel, referring to Figure 1 and Figure 2 In this embodiment, the double-door municipal sewage pipe flap door comprises an overflow wall frame 1, a module component 2, a limit assembly, a main flap door frame 3, a swing assembly and an auxiliary flap door. Among them, the module component 2 is provided with three pieces, and the three module components 2 are all rectangular structures. The three module components 2 are stacked up and down to form an integral plate structure, and the integral plate structure is fixedly installed on one side of the overflow wall frame 1 through the limit assembly, so that the overflow wall can be built.

[0022] A snap-in component is provided between two adjacent module components 2, and the snap-in component includes a snap-in strip 21, which is installed on one side of the module component 2, and a snap-in groove 22 is opened on the side of the module component 2 away from the snap-in strip 21, and the snap-in groove 22 and the snap-in strip 21 are snap-connected with each other.

[0023] Specifically, a clamping groove 22 is provided at the bottom of the topmost module component 2; a clamping strip 21 is installed at the top of the middle module component 2 and a clamping groove 22 is provided at the bottom; a clamping strip 21 is installed at the top of the bottommost module component 2. In this way, the three module components 2 are clamped in sequence from bottom to top, so that stacking and installation are facilitated.

[0024] Better, refer to Figure 2 In this embodiment, in order to take into account the integrity of the overflow wall and the flexibility of module construction, the three module components 2 are designed into three different sizes. If only one small-sized module component 2 is designed, if a plurality of single small-sized module components 2 are required to build a high-level overflow wall, there will be too many joints, which is not conducive to the integrity. Therefore, by designing three sizes of module components 2, overflow walls of different heights can be built by combining module components 2 of different sizes, and the number of joints can be controlled to a moderate level.

[0025] More specifically, refer to Figure 1 and Figure 2 In this embodiment, the limiting assembly includes a module component fixing groove 5 and a limiting member. There are two module component fixing grooves 5, which are symmetrically installed on the top side and the bottom side of the overflow wall frame 1. The three module components 2 stacked and installed together cooperate with the two module component fixing grooves 5 at the same time, and then slide and install into the two module component fixing grooves 5 from one side of the two module component fixing grooves 5.

[0026] Preferably, since the environment where the actual overflow pipe is located may contain garbage brought by sewage, the module component fixing groove 5 is set to be open on the side, which can reduce the situation where garbage blocks the module component fixing groove 5 and makes it difficult to insert the module component 2 into the module component fixing groove 5.

[0027] The limiting member is arranged between the overflow wall frame 1 and the module components 2 to securely engage and engage one side of the module components 2. Specifically, the limiting member includes a fixing protrusion 11, and a plurality of fixing protrusions 11 are provided. The fixing protrusions 11 are respectively installed on one side of the overflow wall frame 1, and a plurality of fixing notches 23 are provided on both sides of the module components 2. The fixing notches 23 are respectively engaged with the fixing protrusions 11 to enhance the stability of the overflow wall built by the module components 2 in the module component fixing groove 5.

[0028] More specifically, there are five fixing protrusions 11 in total, and the five fixing protrusions 11 are vertically installed in sequence on one side of the overflow wall frame 1; and there are five fixing notches 23 in total, among which, one fixing notch 23 is opened on both sides of the module component 2 located at the top; one fixing notch 23 is opened on both sides of the module component 2 located in the middle; and three fixing notches 23 are opened on both sides of the module component 2 located at the bottom.

[0029] When it is necessary to install the module components 2 into the two module component fixing grooves 5, the side of the overflow wall frame 1 where the fixing protrusions 11 are not provided is used as the entrance, and then the module components 2 are slid into the interior of the two module component fixing grooves 5 along the entrance, and then the fixing notches 23 on the sides of the module components 2 are engaged with the fixing protrusions 11, thereby facilitating the effective limiting and tightening of the module components 2.

[0030] Therefore, the overflow wall structure formed by the overflow wall frame 1, the limit assembly and a plurality of module components 2 can achieve a modular split design. The independent module components 2 can achieve the effect of local replacement after local corrosion damage, and the modular split can further reduce the difficulty of installation.

[0031] In addition, refer to Figure 1 In this embodiment, the main door frame 3 is rotatably mounted on one side of the overflow wall frame 1 through a swing assembly, and the main door frame 3 abuts against the module component fixing groove 5. Specifically, the swing assembly includes a fixing block 12 and a swing rod 14.

[0032] Among them, there are two fixed blocks 12, and the two fixed blocks 12 are symmetrically installed on the top side of the overflow wall frame 1, and fixed grooves 13 are opened on the sides of the two fixed blocks 12 that are away from the overflow wall frame 1 respectively, and two swing rods 14 are provided. One end of the two swing rods 14 is hinged in the two fixed grooves 13 through a rotating shaft, and the ends of the two swing rods 14 that are away from the fixed blocks 12 are fixedly connected to the top side of the main flap door frame 3, so as to realize the rotation installation of the main flap door frame 3 on one side of the overflow wall frame 1, and then the main flap door frame 3 can be opened and closed and swung up and down on one side of the overflow wall frame 1.

[0033] In addition, refer to Figure 1In this embodiment, the secondary door is installed on the inner side of the main door frame 3. Specifically, the secondary door includes a secondary door frame 4, a door panel 41 and a rebound door hinge 42. The secondary door frame 4 is fixedly installed on the inner side of the main door frame 3; two door panels 41 are provided, and the two door panels 41 are symmetrically installed on both sides of the secondary door frame 4 through the rebound door hinge 42. The two door panels 41 are respectively opened sideways. The side opening setting of the two door panels 41 can ensure that the secondary door will not affect the opening and closing of the door due to its own weight; and by setting the rebound door hinge 42, it can be ensured that after the two door panels 41 are flushed open by water and the water is drained, the two door panels 41 can be automatically closed.

[0034] Therefore, an auxiliary flap door is provided on the basis of the original integrated flap door to ensure that when the water pressure needs to open the flap door to release water, even if the main flap door frame 3 fails due to its own weight and the rebound door hinge 42, the auxiliary flap door can provide the water discharge function.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A double-door municipal sewage pipe flap gate that is adaptive to river water potential, characterized by: The invention comprises an overflow wall frame (1), one side of the overflow wall frame (1) is provided with a main flap door frame (3) by means of a swing assembly, one side of the overflow wall frame (1) is provided with a plurality of module components (2) by means of a limit assembly, and the main flap door frame (3) is also provided with a side-opening auxiliary flap door.

2. The double-door municipal sewage pipe flap gate according to claim 1, which is adaptive to the water potential of the river, is characterized by: The limiting assembly comprises module component fixing grooves (5) symmetrically arranged on both sides of the overflow wall frame (1), the two module component fixing grooves (5) respectively cooperate with the module component (2), and a limiting member is also arranged between the module component (2) and the overflow wall frame (1).

3. The double-door municipal sewage pipe flap gate according to claim 2, which is adaptive to the water potential of the river, is characterized by: The limiting member comprises a plurality of fixing protrusions (11) arranged on one side of the overflow wall frame (1), and a plurality of fixing notches (23) are provided on the plurality of module components (2), and the fixing notches (23) are engaged with the fixing protrusions (11).

4. The double-door municipal sewage pipe flap gate according to claim 1, which is adaptive to river water potential, is characterized by: The swing assembly comprises fixed blocks (12) symmetrically arranged on the top side of the overflow wall frame (1), and the two fixed blocks (12) are each provided with a fixed groove (13), and the two fixed grooves (13) are each hinged with a swing rod (14), and the sides of the two swing rods (14) away from the fixed blocks (12) are both connected to the top side of the main flap door frame (3).

5. The double-door municipal sewage pipe flap gate according to claim 1, which is adaptive to river water potential, is characterized by: The secondary door comprises a secondary door frame (4) arranged on the inner side of the main door frame (3), the inner side of the secondary door frame (4) is symmetrically hinged with door panels (41), the two door panels (41) are respectively opened sideways, and rebound door hinges (42) are respectively arranged between the two door panels (41) and the secondary door frame (4).

6. The double-door municipal sewage pipe flap gate capable of self-adapting to river water potential according to claim 1, characterized in that: A clamping piece is provided between two adjacent module components (2).

7. The double-door municipal sewage pipe flap gate capable of self-adapting to river water potential according to claim 6, characterized in that: The clamping component comprises a clamping strip (21) arranged on one side of the module component (2); a clamping groove (22) is provided on the side of the module component (2) facing away from the clamping strip (21); the clamping strip (21) on one of the module components (2) is clamped with the clamping groove (22) on another of the module components (2).

8. The double-door municipal sewage pipe flap gate capable of self-adapting to river water potential according to claim 7, characterized in that: The plurality of module components (2) are all rectangular structures, and the plurality of module components (2) are respectively designed into specifications of three different sizes.

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