Connecting structure of open drain and inspection well

Abstract

The utility model discloses a connecting structure of an open drain and an inspection well, which relates to the technical field of urban pipelines and comprises the open drain, a drop channel and the inspection well, one end of the drop channel is communicated with the open drain through a water inlet, water flows into the drop channel from the open drain, at least one drop step is arranged in the drop channel, and the drop channel is communicated with the inspection well. At least one water drop step is located at the end, provided with a water inlet, in the water drop channel, and therefore water flow can be slowed down, water flow energy can be consumed, and impact of water flow on the water drop channel and the connecting pipe can be reduced; as the connecting pipe is located between the water inlet and the bottom face of the inner wall of the drop channel, the height difference exists between the inner wall face of the connecting pipe and the ground, the situation that the open drain is difficult to connect into the inspection well due to insufficient soil covering is avoided, the open drain is connected into the inspection well, and detection and maintenance of the open drain by the inspection well are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of urban pipelines, in particular to a connection structure of an open drainage ditch and an inspection well. Background Art

[0002] Generally, urban drainage systems are vital to ensuring the normal operation of cities, the quality of life of residents and environmental protection. Open drainage ditches, drainage pipes and inspection wells are important components of urban drainage systems. Open drainage ditches collect rainwater from the ground and discharge it into drainage pipes. Open drainage ditches are connected to inspection wells so that the inspection wells can monitor and maintain the normal operation of the drainage system. At present, when open drainage ditches are connected to inspection wells, since the open drainage ditches are connected to the ground and the covering soil above the open drainage ditches is insufficient, it is difficult to connect the open drainage ditches to the inspection wells, which is not conducive to the operation and maintenance of urban drainage systems. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a connection structure between an open drainage ditch and an inspection well, so as to avoid the difficulty of connecting the open drainage ditch to the inspection well due to insufficient soil covering.

[0004] According to an embodiment of the utility model, a connection structure of an open drainage ditch and an inspection well is provided, comprising: an open drainage ditch; a drop channel, one end of the drop channel is connected to the open drainage ditch through a water inlet, at least one drop step is provided in the drop channel, at least one drop step is located at the end of the drop channel where the water inlet is provided; an inspection well, connected to the end of the drop channel away from the open drainage ditch through a connecting pipe, and along the vertical direction, the connecting pipe is located between the water inlet and the bottom surface of the inner wall of the drop channel.

[0005] The connection structure of an open drainage ditch and an inspection well described in the utility model has at least the following beneficial effects: the present embodiment is provided with an open drainage ditch, a drop channel and an inspection well, one end of the drop channel is connected to the open drainage ditch through a water inlet, water flows into the drop channel from the open drainage ditch, at least one drop step is provided in the drop channel, at least one drop step is located at one end of the drop channel provided with a water inlet, which is beneficial to slowing down the water flow, consuming the energy of the water flow, and reducing the impact of the water flow on the drop channel, the inspection well is connected to the end of the drop channel away from the open drainage ditch through a connecting pipe, and in the vertical direction, since the connecting pipe is located between the water inlet and the bottom surface of the inner wall of the drop channel, there is a height difference between the inner wall surface of the connecting pipe and the ground, which avoids the difficulty of connecting the open drainage ditch to the inspection well due to insufficient soil covering, thereby realizing the connection of the open drainage ditch to the inspection well, which is beneficial to the inspection well for the detection and maintenance of the open drainage ditch.

[0006] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the connection structure of an open drainage ditch and an inspection well also includes a covering layer, and the covering layer is located above the drop channel, the connecting pipe and the inspection well, and is respectively abutted against the top wall surface of the drop channel and the top end surface of the inspection well.

[0007] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the axis of the connecting pipe is arranged horizontally, a busbar is arranged at the upper end of the inner wall of the connecting pipe, and the distance between the busbar and the ground is H1, H1≥700mm.

[0008] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the water inlet is provided with a grille.

[0009] According to a connection structure of an open drainage ditch and an inspection well described in the utility model, the drop channel is provided with at least two mounting bars, at least two of the mounting bars are located on the side of the grille facing the open drainage ditch, and are symmetrically arranged on both sides of the grille along the width direction of the grille, and a gap is formed between the mounting bars and the end faces of the drop channel for the grille to be inserted.

[0010] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the open drainage ditch is provided with a sludge pool, and the sludge pool is located on one side of the grille.

[0011] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the side wall of the drop step close to the water inlet abuts against the side wall of the sludge tank, and along the vertical direction, the drop step is located below the top end surface of the sludge tank.

[0012] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the connection pipe is arranged horizontally, and the axis of the inspection well and the axis of the connection pipe are perpendicular to each other.

[0013] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the inner wall width of the open drainage ditch, the width of the water inlet, the inner wall width of the drop channel and the inner diameter of the connecting pipe are all the same.

[0014] According to the connection structure of an open drainage ditch and an inspection well described in the utility model, the top wall of the drop channel is provided with an opening, the opening is covered with a cover plate, and the cover plate is located below the ground.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 It is a cross-sectional view of a connection structure of an open drainage ditch and an inspection well in an embodiment of the utility model;

[0018] Figure 2 for Figure 1 A partial enlarged view of the A part;

[0019] Figure 3 It is a top view of a connection structure of an open drainage ditch and an inspection well in an embodiment of the utility model;

[0020] Figure 4 for Figure 3 Cross-sectional view of the AA portion.

[0021] Reference numerals:

[0022] Drainage ditch 100; ground 101; sludge tank 110;

[0023] Water drop channel 200; water inlet 201; opening 202; grille 210; mounting strip 211; water drop step 220; cover plate 230;

[0024] Connecting pipe 300; busbar 301;

[0025] Inspection well 400;

[0026] Covering layer 500. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference Figures 1 to 3 The embodiment of the utility model provides a connection structure of an open drainage ditch and an inspection well, including an open drainage ditch 100, a water drop channel 200, and an inspection well 400. The open drainage ditch 100 is set in the open air, and the water flow on the ground 101 can flow into the open drainage ditch 100. One end of the water drop channel 200 is provided with a water inlet 201, and the water drop channel 200 is connected to the open drainage ditch 100 through the water inlet 201. At least one water drop step 220 is provided in the water drop channel 200, and at least one water drop step 220 is located at one end of the water drop channel 200 where the water inlet 201 is provided. Water flows into the water drop channel 200 from the water inlet 201, and the water flows through the water drop step 220 to reach the bottom surface of the inner wall of the water drop channel 200, which is conducive to slowing down the water flow speed and reducing The water flow energy is used to reduce the impact and erosion of the water flow on the drop channel 200, the connecting pipe 300, and the inspection well 400. The inspection well 400 is connected to the end of the drop channel 200 away from the open drainage ditch 100 through the connecting pipe 300. The water flows from the drop channel 200 through the connecting pipe 300 into the inspection well 400, so that the open drainage ditch 100 is connected to the inspection well 400, which is beneficial to the monitoring and maintenance of the open drainage ditch 100 by the inspection well 400. In the vertical direction, the connecting pipe 300 is located between the water inlet 201 and the bottom surface of the inner wall of the drop channel 200, that is, there is a height difference between the inner wall surface of the connecting pipe 300 and the ground 101, so as to avoid the open drainage ditch 100 from being difficult to connect to the inspection well 400 due to insufficient covering soil, and facilitate the connection of the open drainage ditch 100 to the inspection well 400.

[0032] In some embodiments, the height of the waterfall step 220 is H2, and H2 is designed to meet the following conditions: 200mm≤H2≤400mm, so that the waterfall step 220 can effectively slow down the water flow speed, while avoiding the waterfall step 220 being too high and increasing excessive impact on the downstream structure of the waterfall step 220. The length of the waterfall step 220 is B1, and B1 is designed to meet the following conditions: 400mm≤B1≤600mm, ensuring that the waterfall step 220 has sufficient length to slow down the water flow speed, while avoiding the waterfall step 220 being too large and increasing the floor space cost.

[0033] In some embodiments, a plurality of waterfall steps 220 are provided in the waterfall channel 200, and the plurality of waterfall steps 220 form a waterfall ladder, wherein one end of the waterfall ladder close to the open drainage ditch 100 is higher than the other end. The water flows through the waterfall steps in sequence and reaches the bottom surface of the inner wall of the waterfall channel 200, thereby gradually slowing down the flow rate of the water flow and reducing the impact and erosion of the water flow.

[0034] It is understandable that the number of the waterfall steps 220 can be selected according to the actual water flow of the open drainage ditch 100, the load of the open drainage ditch 100, etc., and this application does not make a sole limitation.

[0035] Reference Figure 1 Optionally, in some embodiments of the present invention, a connection structure of an open drainage ditch and an inspection well includes a covering layer 500, and the covering layer 500 is located above the drop channel 200, the connecting pipe 300 and the inspection well 400, and is respectively abutted against the top wall surface of the drop channel 200 and the top end surface of the inspection well 400, and the covering layer 500 is used to protect the drop channel 200, the connecting pipe 300, and the inspection well 400, and prevent damage to the drop channel 200, the connecting pipe 300, and the inspection well 400.

[0036] It can be understood that the covering layer 500 is provided according to the specific use scenario of the connection structure of an open drainage ditch and an inspection well in an embodiment of the utility model. For example, the covering layer 500 can be a structure such as asphalt, concrete, stone, floor tiles, etc., so that the surface of the covering layer 500 can be passed by pedestrians and vehicles to protect the drop channel 200, the connecting pipe 300 and the inspection well 400. This application does not make a sole limitation.

[0037] Reference Figure 4 Optionally, in some embodiments of the utility model, a connection structure between an open drainage ditch and an inspection well is not provided with a covering layer 500, and an opening 202 is provided on the top wall of the drop channel 200, and a cover plate 230 is covered on the opening 202. The cover plate 230 is located below the ground 101, and the cover plate 230 can be opened movably. By opening the cover plate 230, the drop channel 200 can be inspected and maintained, which is beneficial to the inspection and maintenance of the drop channel 200.

[0038] Optionally, in some embodiments of the present invention, if a connection structure between an open drainage ditch and an inspection well is provided with a covering layer 500 , the wall surface of the drop channel 200 is provided as an integral structure, so as to facilitate the processing and production of the drop channel 200 .

[0039] Reference Figure 1Optionally, the axis of the connecting pipe 300 is set horizontally, and a busbar 301 is provided at the upper end of the inner wall of the connecting pipe 300. The busbar 301 is parallel to the axis of the connecting pipe 300, and the distance between the busbar 301 and the bottom surface is H1. H1 is designed to meet the following requirements: H1 ≥ 700 mm, so as to ensure that there is a height difference between the inner wall of the connecting pipe 300 and the ground 101, to ensure that there is a certain thickness of covering soil above the connecting pipe 300, to avoid insufficient covering soil when the open drainage ditch 100 is connected to the inspection well 400, and to ensure that the open drainage ditch 100 can be connected to the inspection well 400.

[0040] Reference Figures 1 to 3 Optionally, a grille 210 is provided at the water inlet 201. The grille 210 can intercept garbage and other dirt to prevent the garbage from entering the drop channel 200, the connecting pipe 300 and the inspection well 400, and avoid the garbage in the open drainage ditch 100 from clogging in the drop channel 200, the connecting pipe 300 and the inspection well 400. The grille 210 can intercept the water flow, which is beneficial to reducing the flow rate of the water flow and reducing the impact and erosion of the water flow on the connection structure of the open drainage ditch and the inspection well in the embodiment of the present application. The grille 210 is located at the water inlet 201, which is beneficial to prevent people from falling into the drop channel 200 and avoiding safety accidents.

[0041] In some embodiments, the grille 210 is composed of a frame and bars, and a plurality of bars are installed on the frame at intervals along the horizontal and vertical directions. The specific structure of the grille 210 can be selected according to the actual application, and this application does not make a sole limitation.

[0042] It is understandable that the material of the grille 210 is stainless steel, which has the advantages of corrosion resistance and high strength. The material of the grille 210 can also be carbon steel, fiberglass, etc. The material of the grid is selected according to the actual application, and this application does not make a sole limitation.

[0043] Reference Figures 1 to 3 Optionally, the drop channel 200 is provided with at least two mounting bars 211, which are located on the side of the grille 210 facing the open drainage ditch 100 and are symmetrically arranged on both sides of the grille along the width direction of the grille. A gap for inserting the grille 210 is formed between the mounting bars 211 and the end surface of the drop channel 200, so that the grille 210 can be plugged into the at least two mounting bars 211 in the vertical direction, and the grille 210 can be detachably mounted on the mounting bars 211, which is convenient for repairing and replacing the grille 210.

[0044] It can be understood that in some embodiments, the drop channel 200 is provided with a supporting portion, the supporting portion is located below the water inlet 201, the supporting portion is located on the side of the grille 210 facing the open drainage ditch 100, the two sides of the grille 210 are plugged into at least two mounting bars 211, and the bottom surface of the grille 210 is supported by the supporting portion to achieve vertical fixation of the grille 210, so that the grille 210 can be fixed to one side of the water inlet 201.

[0045] In some embodiments, both sides of the grille 210 are plugged into at least two mounting bars 211, and a metal wire is passed through the mesh of the grille 210 and then wrapped around and fixed to the mounting bars 211, so that the grille 210 is fixed in the vertical direction, so that the grille 210 can be fixed to one side of the water inlet 201. It can be understood that the fixation of the grille 210 in the vertical direction can be selected according to the actual application, and this application does not make a sole limitation.

[0046] Reference Figure 1 and Figure 3 In some embodiments, the open drainage ditch 100 is provided with a sedimentation tank 110, which is located below the water inlet 201. The sedimentation tank 110 is located on one side of the grille 210. The water flows through the sedimentation tank 110 first and then through the grille 210. The sedimentation tank 110 is used to deposit sand and mud in the water flow, reduce silt deposition in the pipeline, and prevent silt blockage in the drop pipe, the connecting pipe 300, and the inspection well 400. The water flows through the sedimentation tank 110 and the grille 210 to deposit and intercept dirt, which is beneficial to prevent garbage sludge and other dirt in the open drainage ditch 100 from entering the inspection well 400, avoiding clogging of the inspection well 400.

[0047] Optionally, in some embodiments, the sludge tank 110 is arranged in the open air to facilitate cleaning and maintenance of the sludge tank 110 .

[0048] In some embodiments, the height of the sludge tank 110 is H3, H3 is set to: 400mm≤H3≤600mm, the length of the sludge tank 110 is B2, B2 is set to, 900mm≤B2≤1100mm, so that the water flow can effectively deposit silt, sand and gravel in the sludge tank 110, while avoiding problems such as the sludge tank 110 being too large.

[0049] Reference Figure 1Optionally, the side wall of the drop step 220 close to the water inlet 201 abuts against the side wall of the sludge tank 110. In the vertical direction, the drop step 220 is located below the top surface of the sludge tank 110. The water flow first passes through the sludge tank 110 to deposit dirt, and enters the drop channel 200 from the top of the sludge tank 110 through the water inlet 201. Due to the height difference between the top surface of the sludge tank 110 and the top surface of the drop step 220, when the water flow flows from the top surface of the sludge tank 110 to the drop step 220, the flow rate of the water flow is slowed down, the energy of the water flow is reduced, and it is beneficial to reduce the impact and erosion of the water flow.

[0050] Reference Figure 1 Optionally, the connecting pipe 300 is horizontally arranged, and the axis of the connecting pipe 300 is perpendicular to the axis of the inspection well 400, which is beneficial to the installation and connection of the connecting pipe 300 and the inspection well 400, and is beneficial to the laying of the connecting pipe 300 and the inspection well 400.

[0051] Reference Figure 3 Optionally, in some embodiments, the inner wall width of the open drainage ditch 100, the width of the water inlet 201, the inner wall width used for the drop channel and the inner diameter of the connecting pipe 300 are all the same, which is conducive to the laying and connection of the open drainage ditch 100, the drop channel 200, and the connecting pipe 300, and is convenient for workers to install.

[0052] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation 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.

[0053] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A connection structure between an open drainage ditch and an inspection well, characterized in that: include: Open drainage ditch; A water drop channel, one end of which is connected to the open drainage ditch through a water inlet, and at least one water drop step is provided in the water drop channel, and at least one water drop step is located at one end of the water drop channel where the water inlet is provided; The inspection well is connected to the end of the water drop channel away from the open drainage ditch through a connecting pipe. Along the vertical direction, the connecting pipe is located between the water inlet and the bottom surface of the inner wall of the water drop channel.

2. The connection structure of an open drainage ditch and an inspection well according to claim 1, characterized in that: The connection structure of the open drainage ditch and the inspection well also includes a covering layer, which is located above the drop channel, the connecting pipe and the inspection well, and abuts against the top wall surface of the drop channel and the top end surface of the inspection well respectively.

3. A connection structure of an open drainage ditch and an inspection well according to claim 1 or 2, characterized in that: The axis of the connecting pipe is arranged horizontally, a busbar is arranged at the upper end of the inner wall of the connecting pipe, and the distance between the busbar and the ground is H1, H1≥700mm.

4. The connection structure of an open drainage ditch and an inspection well according to claim 1, characterized in that: The water inlet is provided with a grille.

5. The connection structure of an open drainage ditch and an inspection well according to claim 4, characterized in that: The drop channel is provided with at least two mounting bars, at least two of which are located on the side of the grille facing the open drainage ditch and are symmetrically arranged on both sides of the grille along the width direction of the grille, and a gap is formed between the mounting bars and the end surface of the drop channel for the grille to be inserted.

6. The connection structure of an open drainage ditch and an inspection well according to claim 4, characterized in that: The open drainage ditch is provided with a sludge pool, and the sludge pool is located on one side of the grille.

7. The connection structure of an open drainage ditch and an inspection well according to claim 6, characterized in that: The side wall of the water drop step close to the water inlet abuts against the side wall of the sludge tank. In the vertical direction, the water drop step is located below the top end surface of the sludge tank.

8. The connection structure of an open drainage ditch and an inspection well according to claim 1, characterized in that: The connecting pipe is arranged horizontally, and the axis of the inspection well and the axis of the connecting pipe are perpendicular to each other.

9. The connection structure of an open drainage ditch and an inspection well according to claim 1, characterized in that: The inner wall width of the open drainage ditch, the width of the water inlet, the inner wall width of the drop channel and the inner diameter of the connecting pipe are all the same.

10. The connection structure of an open drainage ditch and an inspection well according to claim 1, characterized in that: The top wall of the drop channel is provided with an opening, and the opening is covered with a cover plate, and the cover plate is located below the ground.

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