CN217630374U

CN217630374U - Drainage overflow structure

Info

Publication number: CN217630374U
Application number: CN202221765736.4U
Authority: CN
Inventors: 陶金; 易海涛; 张玺; 张�浩
Original assignee: CCTEG Chongqing Engineering Group Co Ltd
Current assignee: CCTEG Chongqing Engineering Group Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-21
Anticipated expiration: 2032-07-08

Abstract

The utility model relates to the technical field of municipal road sponge cities, and discloses a drainage overflow structure, which comprises a cover body, a potential energy part, a cover plate and a support part, wherein a second-stage groove is arranged in the center of the cover body, an emergency drainage port is arranged on the surface of the second-stage groove, the cover plate connected to an overflow channel is arranged above the emergency drainage port, and a common drainage port is arranged on the upper surface of the cover body; the potential energy piece is fixedly arranged below the cover body, so that the cover body is connected with the overflowing channel in a sliding manner. To provide a drainage overflow structure capable of dynamically draining water according to the water pressure.

Description

Drainage overflow structure

Technical Field

The utility model relates to a town road city technical field, concretely relates to drainage overflow structure.

Background

The biological retention zones arranged on the two sides of the road are the most common and widely applied modes in municipal road sponge city practice. In the biological detention area, often realize leading excessive rainwater directly to arranging in the municipal drainage pipe network through setting up the overflow well, this wherein, the effect of the overflow well lid of overflow well top is crucial, however the overflow well that currently uses has following defect: when the rainfall is large, the rainwater cannot be discharged from the overflow well in time, so that the problems of urban waterlogging, ponding and the like are easily caused, and a lot of inconvenience is brought to vehicles and pedestrians; cast iron grates are usually used for most overflow well covers, gaps among grates are large, foreign matters such as leaves, garbage and sand often fall into an inspection well, so that a great deal of inconvenience is brought to maintenance engineering of municipal pipe networks, and drainage efficiency is affected.

Disclosure of Invention

The utility model provides a drainage overflow structure to a drainage overflow structure that can carry out dynamic drainage according to the water pressure size is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a drainage overflow structure comprises a cover body, a potential energy part, a cover plate and a supporting part, wherein a second-stage groove is formed in the center of the cover body, an emergency drainage port is formed in the surface of the second-stage groove, the cover plate connected to a drainage channel is arranged above the emergency drainage port, and a common drainage port is formed in the upper surface of the cover body; the potential energy piece is fixedly arranged below the cover body, so that the cover body is in sliding connection with the overflowing channel.

The beneficial effect of this scheme does:

1. the amount of water displaced is dynamically adjusted. When the rain falls in a light rain, accumulated water can flow into a municipal drainage pipeline network along a common water outlet, and in a common drainage state, the cover body is supported by the potential energy piece and is in contact with the cover plate, so that the cover plate is sealed on the emergency water outlet; when rainfall or waterlogging take place, rise rapidly in the water yield short time, the water yield of piling up in the second grade recess also can increase, the lid receives the water pressure of gathering ponding above that, the potential energy power that water pressure overcome the potential energy spare orders about the vertical lapse of lid, make lid and apron separation, open emergent outlet, a large amount of rainwater can be discharged, and the water yield of piling up is big more, apron and lid can be further separated along with the water yield change, realize forward feedback and make ponding discharge as early as possible.

2. The flow speed of the water flow is increased, and accumulated water is discharged more quickly. When rainfall is great, rivers flow to the in-process of second grade recess from ground, the high reduction of rivers, gravitational potential energy reduces, the water velocity increases, a large amount of water is being gathered above the lid in addition, the water body velocity of flow that actually flows through emergent outlet is very fast, play the effect of washing away, some rubbish or sand and soil that cover on ordinary outlet can be taken away to the in-process, make the partial ordinary outlet that is blockked up resume drainage ability, the comprehensive effect is exactly that let ponding discharge sooner. To the condition that the ordinary water outlet can not be discharged in time due to sudden increase of accumulated water, the emergency water outlet can also be driven to be opened by water pressure, and the device can also be applied to emergency water discharge under the condition of sudden increase of the accumulated water amount.

Preferably, as an improved cover body is round, the emergency water outlet and the cover body are coaxially arranged, the round well lid is uniformly stressed, the phenomena of crushing and collapse caused by treading are not easy to occur, the phenomenon that the well lid falls is not easy to occur, and the use is safer; compared with a square well lid, the round well lid is made of fewer materials, the cost is lower, and the direction is not required to be adjusted during installation, so that the round well lid is more convenient.

Preferably, as an improvement lid upper surface is equipped with first order recess, ordinary outlet locate on first order recess, first order recess is higher than second level recess and the two communicates. The advantage that sets up like this lies in, the rainwater flows to first order recess upper surface from lid body upper surface, and the gravitational potential energy of rainwater reduces, and kinetic energy increases for the rainwater velocity of flow accelerates, compares in the discharge rainwater that the well lid that does not have first recess can be faster.

Preferably, as an improvement, the cover body is provided with at least 4 common water outlets which are uniformly distributed around the central axis of the cover body, and the number of the common water outlets can be set according to local conditions according to the local conventional maximum rainfall. The common water outlet is uniformly distributed around the central axis, so that rainwater can be discharged from the common water outlet as much as possible when the precipitation is not large.

Preferably, the caliber of the emergency water outlet is improved to be larger than that of a common water outlet, so that the larger displacement of the emergency water outlet is kept, and the emergency water outlet is prevented from being blocked. Emergent outlet is opened the time or just ordinary outlet is stopped up, or just the water yield short time rises a lot, and out of the consideration to these two kinds of condition, the bore of emergent outlet should set to be greater than the bore of ordinary outlet, avoids emergent outlet also by the circumstances of blockking up, and when the water yield was very big, the emergent outlet of heavy-calibre also can discharge more ponding.

Preferably, as a modification, inclined surfaces are provided for engaging the upper surface of the lid body with the first-stage groove surface, and the second-stage groove surface. The rainwater drainage device can drain rainwater by using the inclined plane for connection and guide the rainwater to flow to a common drainage outlet or an emergency drainage outlet so as to ensure that the rainwater is discharged at a higher speed, and the inclined plane is arranged so that the rainwater washing can be convenient to improve the phenomenon of sedimentation around the cover body and the common drainage outlet

Preferably, the potential energy part is a spring. The spring can store and release elastic potential energy, and the purpose of moving the cover body can be well realized.

Preferably, the cover plate is connected with the overflowing channel through a support piece, the support piece comprises a support frame and a support rod, the support frame is fixed on the overflowing channel, the lower end of the support rod is perpendicular to the support frame and is fixedly connected with the support frame, the upper end of the support rod is connected with the cover body, and the cover body and the overflowing channel are connected through the arrangement.

Preferably, the bottom of the cover plate is connected with a sleeve, the support rod is axially connected with the sleeve in a sliding manner, and an elastic part is further arranged in the sleeve and connected between the support rod and the cover plate. Through the arrangement, when the cover plate covers the emergency water outlet, the elastic piece is in a stretching state, so that the cover plate covers the emergency water outlet elastically; when the emergency water outlet is opened, if small-particle sediments exist between the upper surface of the emergency water outlet and the cover plate, the cover plate is provided with a certain space capable of elastically moving in the vertical direction through the arrangement of the elastic piece.

Preferably, as an improved cover body, an emergency drainage pipeline is arranged at the downward extending position of the emergency drainage port, the edge of the cover body extends downward to form an outer edge sleeve, so that an annular cavity is formed between the inner circular surface of the outer edge sleeve and the outer circular surface of the emergency drainage pipeline, the common drainage port is directly communicated with the annular cavity, the common drainage port and the emergency drainage port are not interfered with each other, and the emergency drainage port can play a role even if the common drainage port is blocked by sediments.

Drawings

Fig. 1 is a schematic diagram of a conventional overflow well structure.

Fig. 2 is the utility model discloses a structural schematic diagram of sponge city dynamic form drainage overflow well lid when emergent outlet is encapsulated situation.

Fig. 3 is the utility model discloses a structural schematic diagram of sponge city dynamic form drainage overflow well lid when emergent outlet is open mode.

Fig. 4 is a schematic view showing an arrangement structure of another embodiment of a general drain opening.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the water outlet structure comprises a cover body 10, a common water outlet 11, an emergency water outlet 12, a first-stage groove 13, a second-stage groove 14, a first guide inclined surface 15, a second guide inclined surface 16, an emergency water outlet 17, an outer edge sleeve 18, a channel 19, a potential energy piece 20, a cover plate 30, a overflowing channel 40, a step surface 41, a support piece 50, a support frame 51, a support rod 52, a sleeve 53, an elastic piece 54 and sediment 60.

As shown in fig. 1, the conventional flow passage 40 is a vertical passage, and at some nodes of the flow passage 40, the deposit 60 is easy to accumulate, and if the flow passage 40 has an uneven structure at the nodes, the uneven structure serves as an attachment platform for the deposit 60, and the deposit 60 is easier to accumulate, as shown in fig. 1, the deposit 60 at the upper end of the flow passage 40 extends inward in the radial direction, which easily causes the reduction of the flow area of the flow passage 40 and thus the reduction of the flow rate, and as the deposit 60 continues to accumulate, the flow passage 40 is likely to be blocked.

The embodiment is basically as shown in the attached figures 2-4: the utility model provides a drainage overflow structure, this structure is applied to the biological detention in-band of town road for discharge excessive rainwater in rainy day, including lid 10, potential energy spare 20, apron 30 and support piece 50, lid 10 center is equipped with first order recess 13 and second level recess 14, ordinary outlet 11 has been seted up on first order recess 13 surface, second level recess 14 surface is equipped with emergent outlet 12, apron 30 covers in emergent outlet 12 top, the position of emergent outlet 12 is lower, then when emergent outlet 12 is opened, as shown in figure 3, rivers flow to the position of emergent outlet 12 by the position of ordinary outlet 11 along the arrow direction, then do benefit to ordinary outlet 11 department and form the washing effect.

The potential energy part 20 is fixedly installed below the cover 10 to provide elastic potential energy for the cover 10. Alternatively, the potential energy member 20 may be a spring or other member capable of storing and releasing potential energy, and in this embodiment, the potential energy member 20 is a spring. Of course, in other embodiments, the potential energy component 20 may also be other components capable of storing and releasing potential energy, such as a magnetic component, an air bag, or a spring plate, which are commonly known in the art, and the present invention is not limited thereto.

In this embodiment, the cover 10 is circular, the emergency drain 12 is coaxial with the cover 10, and the common drain 11 is provided with a plurality of outlets uniformly arranged around the central axis of the cover 10; in this embodiment, the diameter of the emergency drain opening 12 is larger than that of the ordinary drain opening 11. In this embodiment, the normal drain opening 11 and the emergency drain opening 12 are circular openings, but in other embodiments, the normal drain opening 11 and the emergency drain opening 12 may also be square openings or openings with other shapes; as shown in fig. 2, an emergency drain pipe 17 is formed by extending downwards on the cover 10 at the emergency drain port 12, the lowest part of the emergency drain pipe 17 is lower than the lowest part of the common drain port 11, an outer edge sleeve 18 is formed by extending downwards at the edge of the cover 10, wherein the outer edge sleeve 18 is coaxial with the emergency drain pipe 17, a mounting groove is formed at the outer circle of the outer edge sleeve 18, a potential energy element 20 is mounted in the mounting groove, a step surface 41 is arranged at the inner wall of the overflow channel 40, wherein the potential energy element 20 is supported at the step surface 41 and the top of the mounting groove, an annular channel 19 is formed between the inner circular surface of the outer edge sleeve 18 and the outer circular surface of the emergency drain pipe 17, the common drain port 11 is directly communicated with the annular channel 19, and the common drain port 11 and the emergency drain port 12 are not interfered with each other.

In fig. 2, the common drain opening 11 is provided with one circle around the emergency drain opening 12, as shown in fig. 4, in another embodiment of the present invention, the common drain opening 11 is provided with two circles around the emergency drain opening 12, and in other embodiments, the common drain opening 11 can be provided more, so that the area of the cover 10 where the water is normally drained forms a grid shape to satisfy a larger amount of water drainage.

The support member 50 is fixedly coupled to a lower surface of the cover plate 30 to support the cover plate 30, and the support member 50 is fixedly coupled to the flow-passing channel 40. The specific structure of the supporting member 50 is not limited herein, the supporting member 50 functions to fix the cover plate 30, as shown in fig. 2, the supporting member 50 includes a supporting frame 51 horizontally connected to the flow channel 40 and a supporting rod 52 fixedly connected to the supporting frame 51, the supporting rod 52 vertically passes through the emergency drain opening 12, wherein the cover plate 30 is connected to the upper end of the supporting rod 52, wherein the cover plate 30 can be fixedly connected to the supporting rod 52, preferably, a sleeve 53 is connected to the bottom of the cover plate 30 in the embodiment, the supporting rod 52 is axially slidably connected to the sleeve 53, and an elastic member 54 is further disposed in the sleeve 53, wherein the elastic member 54 is connected between the supporting rod 52 and the cover plate 30.

The specific implementation process is as follows:

the cover body 10 has a normal drainage state and an emergency drainage state, the cover body 10 is provided with a plurality of normal drainage outlets 11, the drainage outlets are used for drainage in the normal drainage state, the potential energy member 20 supports the cover body 10 to enable the cover plate 30 to cover the emergency drainage outlet 12, and the water body can only be drained through the normal drainage outlets 11 as shown by arrows in fig. 2; if the water outlet is blocked or the overflow is reduced, water is accumulated above the cover body 10, along with the rise of the liquid level of the accumulated water, when the pressure of the accumulated water is greater than the elastic force of the potential energy piece 20, the cover body 10 is pressed downwards, the potential energy piece 20 is compressed to store potential energy, as shown in fig. 3, the cover plate 30 is separated from the emergency water outlet 12, the emergency water outlet 12 is opened, at this time, if the ordinary water outlet 11 is blocked, the water body is discharged through the emergency water outlet 12 in the arrow direction shown in fig. 3, because a large amount of water is accumulated above the cover body 10, the flow rate of the water body actually flowing out through the emergency water outlet 12 is relatively high, the flushing effect is achieved, the sediment 60 deposited at the ordinary water outlet 11 is favorably flushed and cleanly, the effect of cleaning the ordinary water outlet 11 is achieved, and when the pressure of the water body on the cover body 10 is less than the potential energy stored by the potential energy piece 20, the cover body 10 is driven to move upwards again until the emergency water outlet 12 is sealed; the emergency water outlet 12 not only has the function of flushing the common water outlet 11, but also can be driven to open by water pressure when the common water outlet 11 cannot be drained in time due to sudden increase of accumulated water.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A drainage overflow structure which is characterized in that: the energy-saving water tank comprises a cover body, a potential energy part, a cover plate and a supporting part, wherein a second-stage groove is formed in the center of the cover body, an emergency water outlet is formed in the surface of the second-stage groove, the cover plate connected to a overflowing channel is arranged above the emergency water outlet, and a common water outlet is formed in the upper surface of the cover body; the potential energy piece is fixedly arranged below the cover body, so that the cover body is in sliding connection with the overflowing channel.

2. A drainage overflow arrangement, as claimed in claim 1, wherein: the cover body is circular, and the emergency water outlet and the cover body are coaxially arranged.

3. A drainage overflow construction, according to claim 2, wherein: the lid upper surface is equipped with the first order recess, ordinary outlet is located on the first order recess, the first order recess is higher than the second level recess and the two communicates.

4. A drainage overflow construction, according to claim 3, wherein: at least 4 ordinary outlet openings are arranged on the cover body, and the ordinary outlet openings are uniformly distributed around the central axis of the cover body.

5. A drain overflow arrangement, as claimed in claim 1, wherein: the caliber of the emergency water outlet is larger than that of the common water outlet.

6. A drainage overflow construction, according to claim 3, wherein: the inclined surface is arranged for connecting the upper surface of the cover body with the first-stage groove surface, the first-stage groove surface and the second-stage groove surface.

7. A drain overflow arrangement, as claimed in claim 1, wherein: the potential energy piece is a spring.

8. A drainage overflow arrangement, as claimed in claim 1, wherein: the cover plate is connected with the overflowing channel through a supporting piece, the supporting piece comprises a supporting frame and a supporting rod, the supporting frame is fixed on the overflowing channel, the lower end of the supporting rod is perpendicular to the supporting frame and is fixedly connected with the supporting frame, and the upper end of the supporting rod is connected with the cover body.

9. A drainage overflow arrangement, as claimed in claim 1, wherein: the bottom of the cover plate is connected with a sleeve, the support rod is connected with the sleeve in an axial sliding mode, and an elastic piece is further arranged in the sleeve and connected between the support rod and the cover plate.

10. The overflow drain structure as claimed in claim 4, wherein the cover has an emergency drain pipe extending downwardly from the emergency drain opening, and an outer jacket extending downwardly from an edge of the cover.