CN219157913U - Prevent flowing backward vatch basin - Google Patents

Abstract

The utility model discloses an anti-backflow intercepting well, which relates to the field of intercepting wells and comprises a well body, an overflow weir arranged in the well body, a flow converging pipe, a sewage pipe and a drain pipe, wherein the flow converging pipe, the sewage pipe and the drain pipe are communicated with the side wall of the well body; the drainage pipe is internally provided with a one-way shutoff component for water supply flow from the well body to the outside of the well body in one way; baffle and one-way shutoff subassembly in this application can intercept the rivers that get into the internal portion of well from the external portion of well backward flow for the outside water is difficult for flowing backward to the well internal, effectively improves the outside water and easily flows backward the problem of getting into the vatch basin.

Description

Prevent flowing backward vatch basin

Technical Field

The application relates to the technical field of intercepting wells, in particular to an anti-backflow intercepting well.

Background

The intercepting well is a concentrated well, is mainly used for concentrated discharge of sewage, and specifically comprises the following steps: some of the contaminated inspection wells are concentrated in the intercepting well, from which they lead to sewage treatment plants.

The intercepting well in the related art generally comprises a well body, wherein an opening of the well body is rectangular, a converging pipe for introducing sewage into the well body and a drain pipe for allowing the intercepted rainwater to flow out of the well body are respectively communicated with two side walls of the well body, an overflow weir for intercepting the sewage is arranged in the well body and between the converging pipe and the drain pipe, the top height of the overflow weir is higher than the top height of a pipe orifice of the converging pipe and the top height of a pipe orifice of the drain pipe, the overflow weir divides the inner space of the well body into a sewage cavity and an overflow cavity, the converging pipe is communicated with the sewage cavity, and the drain pipe is communicated with the overflow cavity; the residual two side walls of the well body, which are not provided with the flow-merging pipe/water draining pipe, are also provided with a sewage pipe for discharging sewage from the well body and leading the sewage to a sewage treatment plant, and the sewage pipe is positioned at one side of the overflow weir, which is close to the flow-merging pipe, and is communicated with the sewage cavity. Above-mentioned vatch basin is in the in-process of putting into use in practice, and sewage and rainwater flow into the well body from the confluence pipe, and the solid impurity in sewage and the rainwater is intercepted in the sewage intracavity by the overflow weir, and sewage and the rainwater after the overflow get into the overflow chamber and by drain pipe discharge well body.

Aiming at the related technology, in the actual use process of the existing intercepting well, when the rainfall is particularly large and the water level of the external storage water body is higher than that of the drain pipe, the external water body easily flows backwards into the intercepting well, and the subsequent use of the intercepting well is affected.

Disclosure of Invention

In order to solve the problems that a back-flow preventing structure is absent or the back-flow preventing effect is not obvious in a intercepting well in the related art, the application provides the back-flow preventing intercepting well.

The application provides a prevent flowing backward vatch basin adopts following technical scheme:

the utility model provides an anti-backflow intercepting well, includes the well body, locates overflow weir in the well body and connects in the side wall of the well body and close flow pipe, sewer pipe and drain pipe, be located drain pipe import department and rotate on the side wall of the well body and be connected with the baffle that is used for opening and shutting the drain pipe import, the outside of the well body is equipped with and is used for driving the baffle to rotate and carries out drive assembly and the trigger assembly of locking to the rotation of baffle, the axis of rotation of baffle is parallel with the axis of drain pipe; the drain pipe is internally provided with a one-way shutoff component for water supply flow from the well body to the outside of the well body in one way.

By adopting the technical scheme, in the actual use process of the intercepting well, sewage and rainwater flow into the well body from the converging pipe, when rainfall/rainfall is not less and the water level of the external storage water body is lower than that of the drainage pipe, the external water body is not easy to flow backward, the baffle is opened by the driving component and the triggering component, solid impurities in the sewage and the rainwater are intercepted in the sewage cavity by the overflow weir, and the sewage is normally discharged out of the well body from the sewage pipe; when the rainfall is great, the water level of outside storage water body is higher than the drain pipe, utilize drive assembly and trigger assembly to open the baffle, one-way shutoff assembly can intercept the rivers that flow from the external portion of well to the internal portion of well in the drain pipe for the external water body is difficult for flowing backward to the well in. The problem that external water is easy to flow backward and enter the intercepting well is effectively solved, and the normal use of the intercepting well is guaranteed.

Optionally, the drive assembly includes haulage cable, wind-up roll, guide roll and is used for driving the wind-up roll and rotates the drive part of rolling/unreeling haulage cable, haulage cable one end fixed connection is on the baffle, the other end fixed connection is on the wind-up roll, the guide roll is located between baffle and the wind-up roll.

Through adopting above-mentioned technical scheme, adopt drive unit to order about the wind-up roll and rotate rolling/unreel haulage rope, can order about the haulage rope and drive baffle ascending/descending to correspondingly when not rainfall/rainfall is less, outside accomodate the water level of water be less than drain pipe and shelves water weir height, open the baffle when rainfall is great, outside accomodate the water level of water be higher than shelves water weir height, when guaranteeing the shutoff blowdown function of vatch basin, further reduce the possibility that the rainwater flows backward from the drain pipe.

Optionally, the triggering component comprises a pressure sensor, a floating ball and a connecting rope which are arranged in the sewage cavity of the well body, wherein one end of the connecting rope is fixedly connected to the floating ball, and the other end of the connecting rope is fixedly connected to a triggering end of the pressure sensor; the warning lamp is fixedly arranged at the top of the well body and is electrically connected with the pressure sensor.

By adopting the technical scheme, along with the gradual increase of sewage and rainwater flowing into the well body from the converging pipe, the water level in the sewage cavity rises and correspondingly drives the floating ball to rise upwards, when the floating ball floats to the upper part of the overflow weir, the floating ball pulls and triggers the pressure sensor, and the pressure sensor correspondingly transmits signals to the warning lamp and causes the warning lamp to light up, so that the water level condition in the well body is conveniently displayed when the rainfall is large and the water level of the converging water body is higher than the water blocking weir.

Optionally, the driving component is a driving motor, and the driving motor is electrically connected with the pressure sensor.

Through adopting above-mentioned technical scheme, when the floater come-up to overflow weir top, the floater pulls and triggers pressure sensor, and pressure sensor conduction signal to driving motor's control end department correspondingly, driving motor drives the wind-up roll according to pressure sensor's response situation and rotates the rolling haulage cable, drives the baffle and rises, opens the drain pipe import to the smooth and easy discharge of confluence water is comparatively conveniently ensured when rainfall is great, confluence water level height is higher than shelves water weir height.

Optionally, the drive part includes fixed connection in the actuating handle of wind-up roll one side and swing joint locking bolt on actuating handle, one side that the wind-up roll is close to actuating handle, around the wind-up roll roller even offered a plurality of locking grooves, locking bolt is along being on a parallel with the direction activity grafting in any locking inslot of wind-up roll roller.

Through adopting above-mentioned technical scheme, when the warning light is lighted, operating personnel can learn the internal water level situation of well to correspondingly rotate driving handle according to the internal water level situation of well, rise the baffle and open drain pipe opening, guarantee the smooth and easy discharge of confluence water.

Optionally, the one-way shutoff subassembly includes coaxial fixed in the collar in the drain pipe, articulates the shutoff board on the collar and is used for driving the shutoff board and be close to the elastic component of collar, the shutoff board is located the collar and keeps away from the one side of well body, just shutoff board and collar activity butt.

By adopting the technical scheme, when the rainfall is large, the water level of the converging water body is higher than the water blocking weir, the gravitational potential energy and the kinetic energy of the converging water body in the sewage cavity are large, the converging water body overflows into the overflow cavity through the overflow weir and flows into the drain pipe, the converging water body impacts the baffle plate and opens the baffle plate, and the well body is smoothly discharged from the drain hole; when the water level of the outside storage water body is higher than the drain pipe, the outside water body flows along with flowing from the backflow into the drain pipe and towards the well body, and the flowing direction of the outside water body is consistent with the shrinking direction of the elastic piece, so that the baffle moves towards the mounting ring and the baffle closes the opening of the mounting ring, the unidirectional closure effect of the unidirectional closure assembly in the drain pipe is conveniently realized, and the phenomenon that the outside water body flows backwards into the closure well is effectively reduced.

Optionally, the installation ring is kept away from one side inside wall of closure plate and is the slope setting, just the opening size of installation ring is by keeping away from one side of closure plate towards being close to one side of closure plate and reduce gradually.

By adopting the technical scheme, the flow direction of the converging water body is complied, so that the converging water body can impact and open the closure plate in a more labor-saving manner, and the river water body can flow out of the well body more conveniently.

Optionally, the locking groove is a thread groove, and one end of the locking bolt, which is suitable for being inserted into the locking groove, is in thread fit with the locking groove.

Through adopting above-mentioned technical scheme, when operating personnel rotates driving handle and remove the baffle to suitable position back, aim at locking bolt and corresponding locking groove and with locking bolt screw in wherein, can comparatively conveniently and stably realize the locking of baffle in the internal position of well to realize the baffle to the stable control of drain pipe opening size.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the baffle, the driving assembly, the triggering assembly and the unidirectional intercepting assembly in the intercepting well, water flow which flows back into the inside of the well body from the outside of the well body can be intercepted, so that the outside water body is not easy to flow back into the well body, and the problem that the outside water body is easy to flow back into the intercepting well is effectively solved;

2. through setting up collar, closure plate and elastic component, can comparatively conveniently realize the interception separation to the water that flows backward to effectively ensure the normal drainage function of vatch basin.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a driving motor as a driving component in an embodiment of the present application;

FIG. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present application with the shut-off plate being monolithic;

FIG. 3 is a schematic view of the overall structure of the driving member of the present embodiment, which is a driving handle and a locking bolt;

FIG. 4 is a schematic view of a partial cross-sectional structure of an embodiment of the present application with a shut-off plate in double blocks;

fig. 5 is an enlarged schematic view of the portion a in fig. 3.

Reference numerals: 1. a well body; 2. an overflow weir; 3. a flow combining pipe; 4. a sewage pipe; 5. a drain pipe; 6. a baffle; 7. a drive assembly; 71. a traction cable; 72. a wind-up roll; 721. a locking groove; 73. a guide roller; 74. a driving motor; 75. a drive handle; 76. locking the bolt; 8. a trigger assembly; 81. a pressure sensor; 82. a floating ball; 83. a connecting rope; 9. a unidirectional shutoff assembly; 91. a mounting ring; 92. and a shutoff plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a backflow-preventing intercepting well.

Referring to fig. 1, an anti-backflow intercepting well comprises a well body 1 with a rectangular opening, an overflow weir 2 arranged in the well body 1, a converging pipe 3, a sewage pipe 4 and a drainage pipe 5 which are communicated with the side wall of the well body 1, wherein the overflow weir 2 is vertically arranged, the inner space of the well body 1 is divided into a sewage cavity and an overflow cavity by the overflow weir 2, the converging pipe 3 and the sewage pipe 4 are communicated with the sewage cavity, the drainage pipe 5 is communicated with the overflow cavity, and the converging pipe 3 and the drainage pipe 5 are respectively positioned at two opposite sides of the overflow weir 2; referring to fig. 1 and 2, in order to solve the problem that the intercepting well in the related art lacks a backflow preventing structure or has an insignificant backflow preventing effect, a baffle 6 for opening and closing the inlet of the drain pipe 5 is rotatably connected to the side wall of the well body 1 and positioned at the inlet of the drain pipe 5, a driving assembly 7 for driving the baffle 6 to rotate and locking the rotation of the baffle 6 and a triggering assembly 8 for sensing the water level condition in the well body 1 and correspondingly triggering the driving assembly 7 are arranged at the outer side of the well body 1, and a unidirectional intercepting assembly 9 for unidirectional flow of water supply from the well body 1 to the outer side of the well body 1 is further arranged in the drain pipe 5.

Specifically, baffle 6 is circular slabstone, and the area of baffle 6 is greater than the opening area of drain pipe 5, and baffle 6 is vertical layout, and baffle 6 cover in the import department of drain pipe 5 and baffle 6 top rotate connect on the well body 1 lateral wall, and the axis of rotation of baffle 6 is parallel with drain pipe 5 axis.

Referring to fig. 2, the driving assembly 7 correspondingly includes a traction cable 71, a wind-up roller 72, a guide roller 73, and driving means for driving the wind-up roller 72 to rotate to wind/unwind the traction cable 71.

The winding roller 72 is rotatably arranged on the outer side of the well body 1, the actual installation position of the winding roller 72 is not deviated or changed relative to the well body 1, the guide roller 73 is positioned between the winding roller 72 and the baffle 6 and is rotatably arranged on the side wall of the well body 1 around the axis of the guide roller, one end of the traction cable 71 is fixedly bound on the baffle 6, the other end of the traction cable 71 is fixedly bound on the winding roller 72, and the traction cable 71 passes through and is wound on the guide roller 73; the winding roller 72 is driven to rotate clockwise/anticlockwise by a driving component, so that the traction rope 71 can be correspondingly wound/unwound.

Referring to fig. 1 and 2, the trigger assembly 8 correspondingly includes a pressure sensor 81, a light floating ball 82 and a connecting rope 83 disposed in the sewage chamber of the well body 1, one end of the connecting rope 83 is fixedly connected to the floating ball 82, the other end is fixedly connected to the trigger end of the pressure sensor 81, and the floating ball 82 can continuously float along with the water level in the sewage chamber of the well body 1 over the floating ball 82 and the water level continuously rises; and when the water level in the sewage cavity of the well body 1 rises to the position above the overflow weir 2, the floating ball 82 does not float any more and the connecting rope 83 is in a vertical state, and the floating ball 82 correspondingly pulls and triggers the pressure sensor 81.

Correspondingly, a warning lamp is fixedly arranged at the top of the well body 1 and is electrically connected with the pressure sensor 81.

The driving component may be a driving motor 74 electrically connected to the pressure sensor 81 in the embodiment of the present application; when the water level in the sewage cavity is lower than the height of the overflow weir 2, the floating ball 82 is insufficient to trigger the pressure sensor 81, and the baffle 6 closes the inlet of the drain pipe 5, so that external water possibly flowing backwards into the well body 1 is blocked; when the rainfall is large, the water level of the confluent water body is higher than the water blocking dam, the floating ball 82 floats to the position above the overflow dam 2, the floating ball 82 pulls and triggers the pressure sensor 81, the pressure sensor 81 correspondingly transmits signals to the warning lamp and the control end of the driving motor 74, the warning lamp is lightened, the driving motor 74 correspondingly drives the winding roller 72 to rotate the winding traction rope 71 according to the induction condition of the pressure sensor 81, the baffle 6 is driven to ascend, and the inlet of the drain pipe 5 is opened, so that smooth discharge of the confluent water body is ensured more conveniently.

Referring to fig. 3 and 4, in another embodiment of the present application, the driving component may also be a driving handle 75 fixedly connected to one side of the wind-up roll 72 and a locking latch 76 movably connected to the driving handle 75.

The wind-up roll 72 is close to one side of the driving handle 75, evenly offered a plurality of locking grooves 721 around wind-up roll 72 roller, locking groove 721 is the screw thread groove, locking bolt 76 is along being parallel to the direction activity grafting of wind-up roll 72 roller in arbitrary locking groove 721, and the one end fixedly connected with that locking bolt 76 kept away from wind-up roll 72 is perpendicular to locking bolt 76 bull stick, still the cover is equipped with the spring that is used for cooperating the bull stick to carry out the pressure boost to the connection between locking bolt 76 and the wind-up roll 72 between locking bolt 76 on the locking bolt 76, be located between bull stick and the driving handle 75, and locking bolt 76 is suitable for inserting the one end and the screw thread adaptation of locking groove 721 of locking bolt 721.

When the warning lamp is turned on, an operator can know the water level condition in the well body 1 and correspondingly rotate the driving handle 75 according to the water level condition in the well body 1, the baffle 6 is lifted, the opening of the drain pipe 5 is opened, and smooth discharge of the confluent water body is ensured; the drive handle 75 is easier to control and is more operable than the drive motor 74.

Further, referring to fig. 2, the unidirectional intercepting assembly 9 includes a mounting ring 91 coaxially fixed in the drain pipe 5, an intercepting plate 92 hinged on the mounting ring 91, and an elastic member for driving the intercepting plate 92 to approach the mounting ring 91, the intercepting plate 92 is located at one side of the mounting ring 91 away from the well body 1, and the intercepting plate 92 is movably abutted with the mounting ring 91; in other application embodiments, the elastic member may be an elastic rope, a spring, or the like, and the elastic member is adapted to pull the closure plate 92 toward the installation ring 91, so as to pull the closure plate 92 toward the installation ring 91 when the external water body flows backward from the drain pipe 5 into the well body 1, and effectively close the gap between the installation ring 91 and the closure plate 92; and the inner side wall of one side of the mounting ring 91 far away from the shutoff plate 92 is obliquely arranged, and the opening size of the mounting ring 91 is gradually reduced from one side far away from the shutoff plate 92 to one side close to the shutoff plate 92 so as to conform to the flow direction of the water body in the overflow cavity, so that the water body flowing into the drain pipe 5 from the overflow cavity is more labor-saving and smoothly impacted and the shutoff plate 92 is opened.

In the embodiment of the present application, referring to fig. 2 and 5, the one-way shut-off assemblies 9 may be provided in one group or may be uniformly provided in multiple groups in the drain pipe 5 along the extending direction of the drain pipe 5; in the embodiment of the application, the shutoff plate 92 may be a single block or two blocks which are oppositely arranged up and down and are in a double door design; when the number of the shut-off plates 92 is two, one side, away from each other, of the two shut-off plates 92 is hinged with the top of the mounting ring 91 and the bottom of the mounting ring 91 respectively, a yielding baffle bar is fixedly arranged on the mounting ring 91 and positioned between the two shut-off plates 92, one side, close to the shut-off plates 92, of the yielding baffle bar and one side, close to the shut-off plates 92, of the yielding baffle bar are chamfered, and the yielding baffle bar and the shut-off plates 92 are suitable for being abutted and in clearance fit; the design of the two shut-off plates 92 is relatively low in the elastic force requirement of the elastic member in the unidirectional shut-off assembly 9 relative to the single shut-off plate 92, and the two shut-off plates 92 can reset and close the opening of the drain pipe 5 more rapidly, thereby playing a role in preventing backflow.

The implementation principle of the backflow-preventing intercepting well provided by the embodiment of the application is as follows: in the in-process that the vatch basin in this application actually put into use, when the outside water level of accomodating the water is higher than drain pipe 5, the outside accomodates the water and flows backward and get into drain pipe 5, the closure plate 92 can follow the direction of motion of outside water, towards collar 91 be close to, the elastic component also can pull closure plate 92 towards collar 91 be close to at this in-process, the clearance between effective closed collar 91 and the closure plate 92, thereby to the outside water that flows backward and get into drain pipe 5 separates, make outside water difficult to flow backward to in the well body 1, improve the outside water and easily flow backward the problem of getting into the vatch basin, guarantee the normal operating of vatch basin.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a prevent flowing backward vatch basin, includes well body (1), locates overflow weir (2) in the well body (1) and intercommunication confluence pipe (3), sewer pipe (4) and drain pipe (5) on the side wall of the well body (1), its characterized in that: the well body (1) is characterized in that a baffle (6) for opening and closing the inlet of the drain pipe (5) is rotationally connected to the side wall of the well body (1) and positioned at the inlet of the drain pipe (5), a driving assembly (7) and a triggering assembly (8) for driving the baffle (6) to rotate and locking the rotation of the baffle (6) are arranged on the outer side of the well body (1), and the rotation axis of the baffle (6) is parallel to the axis of the drain pipe (5); the drain pipe (5) is internally provided with a unidirectional intercepting component (9) for supplying water flow to the outside of the well body (1) from the well body (1) in a unidirectional way.

2. A backflow prevention intercepting well according to claim 1, wherein: the driving assembly (7) comprises a traction rope (71), a winding roller (72), a guide roller (73) and a driving component for driving the winding roller (72) to rotate and wind/unreel the traction rope (71), one end of the traction rope (71) is fixedly connected to the baffle plate (6), the other end of the traction rope is fixedly connected to the winding roller (72), and the guide roller (73) is located between the baffle plate (6) and the winding roller (72).

3. A backflow prevention intercepting well according to claim 2, wherein: the triggering assembly (8) comprises a pressure sensor (81), a floating ball (82) and a connecting rope (83) which are arranged in the sewage cavity of the well body (1), one end of the connecting rope (83) is fixedly connected to the floating ball (82), and the other end of the connecting rope is fixedly connected to the triggering end of the pressure sensor (81); the top of the well body (1) is also fixedly provided with a warning lamp, and the warning lamp is electrically connected with a pressure sensor (81).

4. A backflow prevention intercepting well according to claim 3, wherein: the driving part is a driving motor (74), and the driving motor (74) is electrically connected with the pressure sensor (81).

5. A backflow prevention intercepting well according to claim 3, wherein: the driving component comprises a driving handle (75) fixedly connected to one side of the winding roller (72) and a locking bolt (76) movably connected to the driving handle (75), wherein a plurality of locking grooves (721) are uniformly formed in one side, close to the driving handle (75), of the winding roller (72) around the roller shaft of the winding roller, and the locking bolt (76) is movably inserted into any locking groove (721) along the direction parallel to the roller shaft of the winding roller (72).

6. A backflow-preventing intercepting well according to any of claims 2-5, wherein: the one-way shutoff assembly (9) comprises a mounting ring (91) coaxially fixed in the drain pipe (5), a shutoff plate (92) hinged to the mounting ring (91) and an elastic piece for driving the shutoff plate (92) to be close to the mounting ring (91), wherein the shutoff plate (92) is located at one side, far away from the well body (1), of the mounting ring (91), and the shutoff plate (92) is movably abutted to the mounting ring (91).

7. A backflow prevention intercepting well according to claim 6, wherein: the installation ring (91) is inclined away from the inner side wall of one side of the shutoff plate (92), and the opening size of the installation ring (91) gradually decreases from one side away from the shutoff plate (92) to one side close to the shutoff plate (92).

8. A backflow prevention intercepting well according to claim 5, wherein: the locking groove (721) is a threaded groove, and one end of the locking bolt (76) is suitable for being inserted into the locking groove (721) to be in threaded fit with the locking groove (721).

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