Siphon overflow well mouth structure of sponge city

Abstract

The utility model relates to the technical field of drainage of sponge cities, in particular to a siphon overflow well mouth structure of a sponge city, which comprises a well mouth, an overflow port is arranged on the well mouth, the upper end of the overflow port is connected with an overflow port well seat, an overflow well cover is connected in the overflow port well seat, and at least one pipe placing groove is arranged on the upper portion of the overflow port. A U-shaped pipe is connected into the pipe containing groove, the opening portion of an external pipe section of the U-shaped pipe faces the outside of the well mouth and does not make contact with the upper face of the well mouth, and an internal pipe section of the U-shaped pipe extends into the overflow opening. A central overflow port is formed in the middle of the overflow well lid; and a prompting assembly is movably inserted into the central overflow port. The drainage device is easy to construct, low in cost and good in drainage effect, and can indicate the position of a well mouth during waterlogging disasters.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spongy city drainage technical field, concretely relates to a spongy city siphon overflow well mouth structure. BACKGROUND

[0002] The sunken green land is an important rainwater management system in the spongy city. The sunken green land generally refers to the green land within 200mm below the surrounding paved ground or road, which uses the open space to accept and store rainwater to reduce runoff discharge. The overflow port should be generally arranged in the sunken green land to ensure the overflow discharge of the runoff in the heavy rain.

[0003] When the sunken green land is flooded, it is not easy to accurately and quickly determine the position of the overflow port of the traditional technology, which is not conducive to quickly carrying out the well pit dredging operation. In addition, the sunken green land is not easy to be observed after being submerged, which poses a threat to the safety of the passing personnel due to the low terrain. In addition, the drainage speed of the overflow port of the traditional technology is slow, and the waterlogging problem is easy to occur in the persistent heavy rain weather.

[0004] The patent with publication (announcement) No. CN110093966B discloses a biological retention facility overflow port structure, which comprises a low-repetition period overflow pipeline, an overflow well and a siphon pipeline. Although the technology can realize overflow drainage of different repetition periods, improve the instantaneous drainage flow rate and overflow capacity by using the siphon drainage mode, and avoid the problems of insufficient overflow capacity of the biological retention facility and facility waterlogging, the technology needs to dig multiple deep pits, has large construction amount and high cost, and does not have the well mouth indicating function, which is not conducive to quick positioning and repair in the serious waterlogging situation. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a spongy city siphon overflow well mouth structure which is easy to construct, has low cost, can indicate the well mouth position in the waterlogging disaster, and has good drainage effect.

[0006] In order to solve the above technical problems, the utility model realizes the following technical scheme:

[0007] The utility model provides a spongy city siphon overflow well mouth structure, including well mouth, the well mouth is equipped with overflow port, the upper end of overflow port is connected with overflow port well seat, overflow well cover is connected in overflow port well seat, the upper portion of overflow port is equipped with at least one pipe setting groove, the pipe setting groove is connected with U-shaped tube, the mouth part of the outer pipe section of U-shaped tube faces the outside of well mouth, and does not contact with the upper surface of well mouth, the inner pipe section of U-shaped tube extends into overflow port;The middle part of overflow well cover is equipped with center overflow port, and the center overflow port is movably inserted with prompt assembly.

[0008] Preferably, the center of the center overflow weir is provided with a cover groove, the side of the cover groove is provided with a drain hole, the lower surface of the cover groove is provided with a ribbon groove, the lower surface of the ribbon groove is provided with a plug rod sliding hole penetrating the center overflow weir, and the prompt assembly is movably inserted into the plug rod sliding hole.

[0009] Preferably, the prompt assembly comprises a ribbon, a connecting rod, a top cover connected to the upper end of the connecting rod, and a float connected to the lower end of the connecting rod, the top cover covers the ribbon groove, one end of the ribbon is connected to the lower surface of the top cover, the ribbon can be accommodated in the ribbon groove, and the connecting rod is movably inserted into the plug rod sliding hole.

[0010] Preferably, the shape of the pipe groove is an inverted L shape.

[0011] Preferably, the U-shaped pipe is connected into the pipe groove through an outer pipe segment and an excess pipe segment.

[0012] Preferably, the U-shaped pipe and the pipe groove are connected by foaming glue.

[0013] Preferably, the length of the inner pipe segment is greater than or equal to the length of the outer pipe segment.

[0014] Preferably, the length of the inner pipe segment is greater than the length of the outer pipe segment.

[0015] Preferably, the inner diameter of the inner pipe segment is smaller than the inner diameter of the outer pipe segment.

[0016] Preferably, the mouth of the outer pipe segment is connected with a mesh screen.

[0017] Preferably, the U-shaped pipe is made of polyvinyl chloride plastic.

[0018] Preferably, the lower surface of the top cover is an arc-shaped concave surface.

[0019] Preferably, the lower surface of the float is connected with a weight for preventing the connecting rod from being easily inclined and promoting the connecting rod to be in a nearly vertical state.

[0020] Preferably, the weight is a strip-shaped cement block with a symmetrical structure.

[0021] Preferably, the overflow port is made of concrete.

[0022] Preferably, the overflow well cover is made of nodular cast iron.

[0023] Compared with the prior art, the utility model has at least the following beneficial effects:

[0024] The sponge city siphon overflow well mouth structure provided by the utility model can realize a better drainage mode according to rainfall, not only can fully play the water storage function of the sponge city at normal rainfall, but also can more efficiently reduce or remove the waterlogging and other problems caused by disastrous rainfall. The U-shaped pipe structure adopted by the utility model is simple, easy to produce and low in cost, and only needs to be connected with the U-shaped pipe through burying and other modes in the construction of the traditional overflow port, so that the construction is easy. At the same time, when waterlogging occurs, the utility model can realize automatic indication of the well mouth position and prompt pedestrians to pay attention to the low nearby terrain and the existence of danger through the prompt assembly, and can play an important role in serious waterlogging disasters, thereby being convenient for rapid positioning and repair.

[0025] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically described below, and the accompanying drawings are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the specific embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the description of the specific embodiment, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0027] Figure 1 The cross-sectional view schematic diagram of the application state of the sponge city siphon overflow well mouth structure is provided for the embodiments of the utility model;

[0028] Figure 2 For Figure 1 The enlarged schematic view of A in the utility model;

[0029] Figure 3 For Figure 1 The half cross-sectional schematic view of the prompt assembly in the utility model;

[0030] Figure 4 For Figure 1 The cross-sectional schematic view of the U-shaped pipe in the utility model;

[0031] Figure 5 For Figure 1 The top view schematic view of the sponge city siphon overflow well mouth structure in the utility model;

[0032] Figure 6 is a schematic view of the overflow well cover after being removed from Figure 5 ;

[0033] Figure 7 is a schematic view of the U-shaped pipe after being removed from Figure 6 ;

[0034] Figure 8 is a schematic view of the A-A cross section of Figure 7 .

[0035] In the figure: 1, overflow well cover; 11, center overflow; 111, cover slot; 112, ribbon slot; 113, drain hole; 114, plug rod sliding hole; 12, base; 2, U-shaped pipe; 21, outer pipe section; 22, transition pipe section; 23, inner pipe section; 3, well mouth; 31, overflow; 311, pipe slot; 312, overflow well base; 32, well; 4, debris screen; 5, prompt assembly; 51, top cover; 52, ribbon; 53, connecting rod; 54, float; 55, weight; 6, sunken green space. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0038] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0039] In the utility model, unless another definite provision and limitation, the term "connect", "connection" and other terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrated;Can be mechanical connection, also can be electrical connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication or two element interaction relationship, unless another definite limitation.For ordinary skilled in the art, the above terms can be understood according to the specific meaning in the utility model.

[0040] In the utility model, unless another definite provision and limitation, the first feature is on the second feature "on" or "under" can be the first and second features direct contact, or the first and second features indirectly contact through intermediate medium.Moreover, the first feature is on the second feature "on", "above" and "on" can be the first feature is directly above or obliquely above the second feature, or just indicate that the first feature horizontal height is higher than the second feature.The first feature is on the second feature "under", "below" and "under" can be the first feature is directly below or obliquely below the second feature, or just indicate that the first feature horizontal height is less than the second feature.

[0041] In the utility model, the term "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples without contradiction.

[0042] Referring to Figure 1 , Figure 5 , Figure 6 , Figure 7 And Figure 8 The utility model discloses an embodiment of a sponge city siphon overflow well mouth structure, including well mouth 3, be equipped with overflow port 31 on well mouth 3, the upper end of overflow port 31 is buried and is equipped with overflow port well seat 312, is connected with overflow well lid 1 in overflow port well seat 312 through pin shaft, the side and upper end of overflow port 31 are equipped with 2 inverted L shape pipe setting groove 311, and U shape pipe 2 is connected in pipe setting groove 311, and the outer pipe section 21 and the transition pipe section 22 of U shape pipe 2 are connected in pipe setting groove 311 through foaming glue.

[0043] Referring to Figure 1 , Figure 4 AndFigure 5 As shown in the figure, the mouth of the outer tube section 21 of the U-shaped tube 2 is clamped with the foreign matter screen 4, the mouth is towards the outside of the well mouth 3, and does not contact the upper surface of the well mouth 3, the inner tube section 23 of the U-shaped tube 2 extends into the overflow port 31, the length of the inner tube section 23 is greater than the length of the outer tube section 21, and the inner diameter of the inner tube section 23 is smaller than the inner diameter of the outer tube section 21.

[0044] Specifically, when the rain water overflows the lower inner surface of the excess tube section 22 of the U-shaped tube 2, the rain water flows into the shaft 32 through the U-shaped tube 2; when the rain water overflows the upper inner surface of the U-shaped tube 2, the U-shaped tube 2 drains the rain water into the shaft 32 through siphon effect; when the water level rises to overflow the overflow port 31, the rain water flows into the shaft 32 through the siphon drainage of the U-shaped tube 2 and the overflow port 31; when the water level is lower than the overflow port 31, the rain water continues to flow into the shaft 32 through the U-shaped tube 2; when the water level is close to the lower end of the outer tube section 21, the rain water gradually stops flowing into the shaft 32.

[0045] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown in the figure, the center of the overflow well cover 1 is provided with the center overflow port 11, the center of the center overflow port 11 is provided with the cover slot 111, the side of the cover slot 111 is provided with the water drain hole 113 (for timely draining the accumulated water between the cover slot 111 and the top cover 51), the lower surface of the cover slot 111 is provided with the ribbon slot 112, the lower surface of the ribbon slot 112 is provided with the plug rod sliding hole 114 penetrating through the center overflow port 11; the prompt assembly 5 is movably inserted into the plug rod sliding hole 114, the prompt assembly 5 comprises the ribbon 52, the connecting rod 53, the top cover 51 connected to the upper end of the connecting rod 53, and the floating block 54 connected to the lower end of the connecting rod 53, the lower surface of the floating block 54 is fixedly connected with the symmetrically-structured strip-shaped cement block. The lower surface of the top cover 51 is arc-shaped concave surface, and the top cover 51 covers the ribbon slot 112. One end of the ribbon 52 is connected to the lower surface of the top cover 51, and the ribbon 52 can be accommodated in the ribbon slot 112. The connecting rod 53 is movably inserted into the plug rod sliding hole 114, and the water drain hole 113 is used for timely draining the accumulated water between the cover slot 111 and the top cover 51, so as to prevent the accumulated water from overflowing into the ribbon slot 112.

[0046] Specifically, the principle of starting and realizing the prompt of the prompt assembly 5 is as follows: when the inner waterlogging or the sinking green land 6 is submerged due to the shaft blockage and the like, the water level in the shaft 32 is higher than the position of the floating block 54 and continues to rise, the prompt assembly 5 also rises with the rising water level under the floating force of the floating block 54, in the process of rising of the prompt assembly 5, the top cover 51 rises and pulls out the ribbon 52 from the ribbon slot 112, and the ribbon 52 can float on the water surface to realize the well mouth position indication and prompt pedestrians to pay attention to the nearby terrain low. The prompt function of the utility model can play a greater role in the serious inner waterlogging disaster.

[0047] The utility model discloses in the waterlogging condition starting prompt assembly 5 is convenient for quick and fast to determine the well mouth position and dredges, also can prompt the pedestrian to pay attention to the danger of sunken greenbelt (nearby terrain is low).

[0048] In this embodiment, the U-shaped pipe 2 is made of polyvinyl chloride (PVC) plastic, which can effectively resist the erosion of water and other fluids while maintaining the structural integrity in the drainage system. The overflow port 31 is built with concrete, which can withstand a large pressure and weight. The overflow well cover 1 and the overflow port well seat 312 are both made of ductile cast iron, which can withstand the weight of vehicles and pedestrians while preventing illegal entry and damage. The top cover 51 and the connecting rod 53 are made of ABS (acrylonitrile-butadiene-styrene) engineering plastic by integral injection molding, which has excellent processing performance, mechanical properties and corrosion resistance, and is light in weight and high in strength. The ribbon 52 is made of polyethylene film, and the floating block 54 is made of polyurethane foam. The gravity of the prompt assembly 5 is less than the buoyancy of the floating block 54 in water.

[0049] In the description of the utility model, it is understood that the terms "upper", "lower", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0050] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0051] In the utility model, unless otherwise specifically defined and limited, the terms "connected", "connected" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0052] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0053] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the present application and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0054] Finally, it should be noted that: the above-described embodiments are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, and are not limited thereto, the protection scope of the present application is not limited thereto, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand: any skilled person in the art within the technical range disclosed by the present application, they can still modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and all should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sponge city siphon overflow well head structure, characterized in that: The wellhead (3) is provided with an overflow port (31), the upper end of the overflow port (31) is connected with an overflow port well seat (312), the overflow port well seat (312) is connected with an overflow well cover (1) inside, the upper part of the overflow port (31) is provided with at least one pipe setting groove (311), the pipe setting groove (311) is connected with a U-shaped pipe (2) inside, the outer pipe section (21) of the U-shaped pipe (2) is directed to the outside of the wellhead (3) and does not contact the upper surface of the wellhead (3), the inner pipe section (23) of the U-shaped pipe (2) extends into the overflow port (31); the middle part of the overflow well cover (1) is provided with a central overflow port (11), the central overflow port (11) is movably inserted with a prompt assembly (5).

2. The sponge city siphonic overflow inlet structure according to claim 1, wherein: The center of the central overflow port (11) is provided with a cover setting groove (111), the side of the cover setting groove (111) is provided with a water leakage hole (113), the lower surface of the cover setting groove (111) is provided with a ribbon groove (112), the lower surface of the ribbon groove (112) is provided with a plug rod sliding hole (114) penetrating the central overflow port (11), the prompt assembly (5) is movably inserted into the plug rod sliding hole (114).

3. The sponge city siphonic overflow inlet structure of claim 2, wherein: The prompt assembly (5) comprises a ribbon (52), a connecting rod (53), a top cover (51) connected to the upper end of the connecting rod (53), and a floating block (54) connected to the lower end of the connecting rod (53), the top cover (51) covers the ribbon groove (112); one end of the ribbon (52) is connected to the lower surface of the top cover (51), the ribbon (52) can be accommodated in the ribbon groove (112); the connecting rod (53) is movably inserted into the plug rod sliding hole (114).

4. The sponge city siphonic overflow inlet structure of claim 3, wherein: The lower surface of the floating block (54) is fixedly connected with a symmetrically structured strip-shaped cement block.

5. The sponge city siphonic overflow inlet structure of claim 1, wherein: The shape of the pipe setting groove (311) is inverted L-shaped.

6. The sponge city siphonic overflow inlet structure of claim 1, wherein: The U-shaped pipe (2) is connected in the pipe setting groove (311) through the outer pipe section (21) and the excess pipe section (22).

7. The sponge city siphonic overflow inlet structure of claim 1, wherein: The length of the inner pipe section (23) is greater than or equal to the length of the outer pipe section (21), and the inner diameter of the inner pipe section (23) is smaller than the inner diameter of the outer pipe section (21).

8. The sponge city siphonic overflow inlet structure of claim 1, wherein: The mouth of the outer pipe section (21) is connected with a sundry screen (4).

9. The sponge city siphonic overflow inlet structure of claim 1, wherein: The U-shaped pipe (2) is made of polyvinyl chloride plastic.

10. The sponge city siphonic overflow inlet structure of claim 1, wherein: The overflow well cover (1) is made of nodular cast iron.

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