阅读说明：本技术 一种适用于检查井的截流装置 (Cut-off equipment suitable for inspection shaft ) 是由 黄迪 何益超 赵抢抢 赵东 党磊 亢欣欣 杨雪鹏 李琴 孙升升 于 2021-10-09 设计创作，主要内容包括：本发明公开了一种适用于检查井的截流装置,包括滤渣模块,用于过滤污水中杂质；设置在滤渣模块与截流装置外壳之间的支架,用于支撑滤渣模块；该截流装置外壳底部封闭；设置在截流装置外壳与井内安装卡环之间的密封模块,用于截流装置与检查井之间的密封；设置在截流装置外壳上的溢流孔,用于装置内积水的溢流；且溢流孔上设有过滤装置,防止溢流孔的堵塞；设置在截流装置外壳内的通风口,用于检查井通过该截流装置与外界的通风；且该通风口下端设有浮动阀门,用于液位下降时通风口的打开以及液位上升时通风口的关闭。具有通风、防臭、减少污水进入井内管网的效果。(The invention discloses a cut-off device suitable for an inspection well, which comprises a filter residue module, a filter module and a control module, wherein the filter residue module is used for filtering impurities in sewage; the bracket is arranged between the filter residue module and the cut-off device shell and used for supporting the filter residue module; the bottom of the cut-off equipment shell is closed; the sealing module is arranged between the cut-off equipment shell and the mounting snap ring in the well and is used for sealing the cut-off equipment and the inspection well; the overflow hole is arranged on the shell of the cut-off device and is used for overflowing accumulated water in the device; and the overflow hole is provided with a filtering device to prevent the blockage of the overflow hole; the air vent is arranged in the closure device shell and is used for ventilating the inspection well with the outside through the closure device; and the lower end of the vent is provided with a floating valve for opening the vent when the liquid level descends and closing the vent when the liquid level ascends. Has the effects of ventilation, deodorization and reduction of sewage entering a pipe network in the well.)

1. A flow stop device adapted for use in an inspection well, comprising:

the residue filtering module is used for primarily filtering impurities in the sewage;

the bracket is arranged between the filter residue module and the cut-off device shell and used for supporting the filter residue module; the bottom of the cut-off equipment shell is closed;

the sealing module is arranged between the cut-off equipment shell and the mounting snap ring in the well and is used for sealing the cut-off equipment and the inspection well;

the overflow hole is arranged on the shell of the cut-off device and is used for overflowing accumulated water in the device; the overflow hole is provided with a filtering device for further filtering impurities in the sewage to prevent the blockage of the overflow hole;

the air vent is arranged in the closure device shell and is used for ventilating the inspection well with the outside through the closure device; and the lower end of the vent is provided with a floating valve for opening the vent when the liquid level descends and closing the vent when the liquid level ascends, so that the ventilation of the inspection well is realized and the backflow of the vent is prevented.

2. The shut-off device for an inspection well according to claim 1, wherein the bottom of the housing of the shut-off device is a removable closure structure.

3. The flow stop device for an inspection well according to claim 2, wherein the removable closing structure is a hole cover using a screw connection.

4. The shut-off device for an inspection well according to claim 1, wherein a support module is further provided in the housing of the shut-off device for supporting the floating valve.

5. The intercepting device suitable for the inspection well according to claim 1, wherein a traction module convenient to take is arranged on the residue filtering module.

6. The flow stop device suitable for an inspection well according to claim 1, wherein the traction module employs a traction belt.

7. A method of installing a flow stop device adapted for use in an inspection well according to any one of claims 1 to 6,

placing the cut-off device into an inspection well, and connecting the cut-off device with an in-well installation clamp ring which is connected with the inspection well;

pressing the cut-off device to be horizontally fixed, and connecting the hook of the support with the groove at the edge of the inspection well, thereby fixing the cut-off device.

Technical Field

The invention relates to the field of urban sewage discharge devices, in particular to a cut-off device suitable for an inspection well.

Background

The inspection well is an inspection well which is set up on a drainage pipeline system for inspecting and cleaning pipelines, is mainly used for a sewage discharge pipeline and can be used for maintenance workers to inspect and clean auxiliary buildings of foreign matters, and has the main functions of two points: firstly, the pipeline is convenient to regularly check and evacuate, and the pipeline is prevented from being blocked; and the second is the ventilation function of connecting pipe sections and a pipeline system. The pipe sections between two adjacent wells are on a straight line, so inspection wells are required to be arranged at the positions of changing the section of the pipeline, changing the gradient, meeting and changing the elevation, and the inspection wells are required to be arranged on the overlong straight pipe sections in a segmented manner.

In order to ensure that the inspection well mouth is effectively locked, sewage is reduced to enter the inspection well, and a cut-off device needs to be arranged below the inspection well cover.

The well lid that current inspection shaft generally adopted steel or cement to pour to make directly places at the well head, has that sewage can't cut off, there is the foul smell inside the inspection shaft, the inside perishable scheduling problem of inspection shaft. Therefore, the research and design of the intercepting device which is efficient, reliable, easy to maintain and easy to install is very important for improving the intercepting level of the inspection well and optimizing the internal structure of the inspection well.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the intercepting device suitable for the inspection well, which is used for realizing the effective locking and good ventilation of the inspection well, can achieve the effects of locking the inspection well mouth, ventilating, deodorizing and reducing sewage from entering a pipe network in the inspection well only by installing the device on the original inspection well, and has the advantages of simple and reasonable structure and convenient installation.

The technical solution for realizing the purpose of the invention is as follows:

a flow stop apparatus adapted for use in an inspection well, comprising:

the residue filtering module is used for filtering impurities in the sewage;

the bracket is arranged between the filter residue module and the cut-off device shell and used for supporting the filter residue module; the bottom of the cut-off equipment shell is closed;

the sealing module is arranged between the cut-off equipment shell and the mounting snap ring in the well and is used for sealing the cut-off equipment and the inspection well;

the overflow hole is arranged on the shell of the cut-off device and is used for overflowing accumulated water in the device; and the overflow hole is provided with a filtering device to prevent the blockage of the overflow hole;

the air vent is arranged in the closure device shell and is used for ventilating the inspection well with the outside through the closure device; and the lower end of the vent is provided with a floating valve for opening the vent when the liquid level descends and closing the vent when the liquid level ascends.

A method for installing a cut-off device suitable for an inspection well,

placing the cut-off device into an inspection well, and connecting the cut-off device with an in-well installation clamp ring which is connected with the inspection well;

pressing the cut-off device to be horizontally fixed, and connecting the hook of the support with the groove at the edge of the inspection well, thereby fixing the cut-off device.

Compared with the prior art, the invention has the following remarkable advantages:

(1) the intercepting device suitable for the inspection well is installed in the original inspection well, does not relate to the reconstruction of the inspection well, is simple and convenient to install and can be popularized and used; (2) the intercepting device without the electric appliance component suitable for the inspection well provided by the invention belongs to an energy consumption-free device, is convenient to maintain and has low operation cost; (3) the intercepting device suitable for the inspection well provided by the invention has the advantages of strong corrosion resistance, strong wear resistance, reliable structure and long service life; (4) the intercepting device suitable for the inspection well provided by the invention can effectively block sewage from entering the inspection well, the water inflow is accurately controlled, and the performance is reliable.

Drawings

Fig. 1 is a schematic view of a flow stop device suitable for an inspection well according to the present invention.

Fig. 2 is a schematic view of the internal structure of a flow interception device suitable for an inspection well according to the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is a schematic view of a method of installing a flow stop device of the present invention.

FIG. 5 is a schematic view of a snap ring installed in a well.

Shown in the figure: 1. the filter residue tray comprises a filter residue tray body 2, a cross-shaped support 3, a sealing outer ring 4, screws 5, a locking device shell 6, a floating valve 7, a fixing device 8, screws 9, a hole cover 10, a filtering device 11 and an in-well installation clamping ring 12 and a cross-shaped belt.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Example 1

As shown in fig. 1 to 3, a flow stopping device for an inspection well of the present embodiment includes: the filter residue tray comprises a filter residue tray 1, a cross-shaped support 2, a sealing outer ring 3, a screw 4, a locking device shell 5, a floating valve 6, a fixing device 7, a screw 8, a hole cover 9 and a filtering device 10.

The upper end of the filter residue tray 1 is provided with a concave part, and the upper end surface and the side surface of the concave part are provided with small holes which are used as water filtering holes and can primarily filter impurities in sewage. The upper surface of the filter residue tray 1 is provided with a cross-shaped belt 12 for facilitating taking of the filter residue tray, a cross-shaped support 2 is arranged below the filter residue tray 1, the filter residue tray 1 and the cross-shaped support 2 can be assembled and connected with a locking device shell, and the cross-shaped support 2 is positioned between the filter residue tray 1 and the locking device shell 5 and fixedly connected with the locking device shell 5 through a screw 4; the cross-shaped bracket is made of stainless steel materials and is firm and stable; the periphery of the cross-shaped support 2 is provided with a sealing outer ring 3 which can be assembled and connected with the locking device shell. The sealing outer ring 3 is arranged between the locking device shell 5 and the mounting snap ring 11 in the well and used for sealing between the cut-off device and the inspection well. The sealing outer ring 3 is made of elastic wear-resistant rubber and is firm and stable; the locking device shell 5 is internally designed with an arc-shaped ventilation opening for ventilation of the inspection well with the outside through the locking device shell 5. The lower end of the ventilation opening is provided with a floating valve 6, a fixing device 7 is arranged below the floating valve 6 and used for supporting the floating valve 6, and the fixing device 7 is fixed in the locking device shell 5 through a screw 8. When accumulated water falls to a certain height, the floating valve 6 can be automatically opened to ensure ventilation of the inspection well, and can be automatically closed when the water level in the device rises to prevent water from flowing back to the ventilation opening, and the floating valve 6 can be automatically closed or opened according to the height of the water level in the locking device. When the floating valve 6 is opened, the inspection well can be well ventilated with the outside through the ventilation opening, and the inspection well is prevented from being corroded by weight. The locking device shell is provided with an overflow hole, and the overflow hole can be used for overflowing after rain. The overflow hole is provided with a filtering device 10 for further filtering sewage and preventing impurities in the accumulated water from blocking the overflow hole. The lowest part of the locking device shell 5 is provided with a hole cover 9 which can effectively prevent sewage from entering the inspection well. The handhole door 9 can pass through threaded connection with blocking device shell 5 for the clearance of aquatic deposit, only need take off device below spiral handhole door 9, the clean up can, it is convenient to maintain.

Example 2

The second aspect of the present invention provides a method for installing a cut-off device, which is implemented by the following steps:

combine fig. 4, fig. 5, need incline slightly during the cut-off equipment installation and put into the inspection shaft, arrange in 11 tops of well installation snap ring, the size adjustment of certain degree can be done according to the inspection shaft diameter to installation snap ring 11 in the well, installation snap ring 11 links to each other with the inspection shaft in the well, installation snap ring 11 has the through-hole all around, accessible screw links to each other with the inspection shaft, increase bearing capacity, press the cut-off equipment from the top gently to the level fixed, the couple of device top cross support 2 can link to each other with inspection shaft edge groove to it is fixed with the cut-off equipment.

The working principle of the invention is as follows: in the non-precipitation period, sewage is filled in the water inlet, the water volume is small, the water level in the cut-off device is low, the floating valve is in an open state under the action of gravity, and the air in the inspection well circulates with the outside air through the device ventilation opening and the filter residue tray 1; during the precipitation period, the water inlet flow increases, and the water level rises in the cut-off equipment, and floating valve 6 rises under the buoyancy and makes floating valve 6 be in the closed condition, and the vent is closed, and sewage passes through filter equipment 10 with the low velocity of flow in the device and discharges in the well through the overflow hole, and along with the water level reduces in the device, floating valve 6 falls under the action of gravity and makes floating valve 6 open gradually to resume initial condition.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.