CN219196226U - Prevent flowing backward vatch basin - Google Patents

Abstract

The utility model relates to a vatch basin field specifically discloses a prevent flowing backward vatch basin, it includes the vatch basin body, water inlet and outlet have been seted up respectively to the both sides that the vatch basin body is relative, this internal fixed being provided with of vatch basin is vertical baffle between water inlet and outlet, the baffle both sides are provided with the vatch chamber respectively and discharge the chamber, the water hole has been seted up on the baffle, be provided with the return bend with the water hole intercommunication in the discharge chamber, the return bend is kept away from the one end intercommunication of water hole and is had flexible hose, flexible hose's free end rigid coupling has the kicking block, be provided with the guiding mechanism that is used for driving flexible hose's free end along vertical direction lift in the discharge chamber, when flexible hose is in the state of stretching completely, flexible hose's free end butt is in the interior roof of vatch basin body. The anti-backflow mechanism solves the problem that the manual operation of the anti-backflow mechanism in the related art is complicated under the condition of no electricity.

Description

Prevent flowing backward vatch basin

Technical Field

The application relates to the field of vatch wells, in particular to a backflow-preventing vatch well.

Background

The intercepting well is a well which is arranged in the rainwater-sewage combined drainage system and is used for changing the flow direction of water. The sewage in the pipeline flows to the sewage pipeline through the intercepting well in sunny days; in rainy days, when the rainwater and the sewage exceed a certain amount, the rainwater and the sewage overflow and are discharged into a river channel.

The related art discloses a Chinese patent with the publication number of CN215563192U, which provides a intercepting well device based on hose interception, comprising a well body, a water inlet, a water outlet and a sewage outlet, wherein the water inlet, the water outlet and the sewage outlet are communicated with the well body; a partition plate is arranged between the water inlet and the water outlet, a hose for intercepting is arranged on the partition plate, the free end of the hose is connected with a lifting mechanism for lifting the hose upwards, and the lifting mechanism comprises an electric hoist and a steel wire lifting rope. When water flows backward into the discharge cavity through the water outlet, the free end of the hose is lifted by the lifting mechanism to be higher than the water level in the discharge cavity, so that the effect of preventing backward flow is achieved.

In the above-mentioned related art, through the promotion of electric block drive hose free end, under the circumstances of outage or when the position at vatch basin place is inconvenient for the circular telegram, need the manual free end that promotes the hose of operating personnel, just can realize preventing flowing backward the effect, so the operation is comparatively inconvenient.

Disclosure of Invention

In order to solve the problem that a backflow prevention mechanism in the related art needs to be manually operated under the condition of no electricity, the application provides a backflow prevention intercepting well.

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

the utility model provides a prevent flowing backward vatch basin, includes the vatch basin body, water inlet and outlet have been seted up respectively to the both sides that the vatch basin body is relative, in the vatch basin body the water inlet with fixedly provided with is vertical baffle between the outlet, in the vatch basin body the baffle is close to one side of water inlet is provided with the cavity that stops, in the vatch basin body in the baffle is close to one side of outlet is provided with the cavity that discharges, the water hole has been seted up on the baffle, be provided with in the cavity that discharges with the return bend that water hole communicates, the return bend is kept away from the one end intercommunication that water the hole has flexible hose, flexible hose's free end rigid coupling has the kicking block, be provided with in the cavity that discharges and be used for order about flexible hose's free end is along the guiding mechanism that vertical direction goes up and down, when flexible hose is in the complete extension state, flexible hose's free end butt in the interior roof of vatch basin body.

By adopting the technical scheme, when the backflow occurs, water in the drain pipe enters the drain cavity through the drain outlet, the water level in the drain cavity rises, the floating block rises under the action of buoyancy, the free end of the telescopic hose rises along the vertical direction under the guiding action of the guiding mechanism until the telescopic hose is completely stretched, the free end of the telescopic hose is abutted to the inner top wall of the intercepting well body, at the moment, the drain cavity is not communicated with the intercepting cavity, and water in the drain cavity cannot enter the intercepting cavity, so that the backflow of the water can be avoided; the lifting of flexible hose free end can be realized only by the buoyancy effect of the floating block, electric drive or manual operation is not needed, and the problem that the anti-backflow mechanism in the related art needs to be manually operated under the condition of no electricity is solved.

Optionally, the free end rigid coupling of flexible hose has solid fixed ring, the kicking block rigid coupling in gu fixed ring is last, guiding mechanism including the rigid coupling in gu the guide block on the fixed ring, the vatch basin body in be provided with in the emission chamber and supply the guide rail that the guide block slided, the guide rail extends along vertical direction.

Through adopting above-mentioned technical scheme, when the water level in the emission chamber changes, the kicking block goes up and down under buoyancy effect, and the guide block slides along the guide rail to make flexible hose's free end go up and down along vertical direction.

Optionally, the number of the guide blocks is two, and the two guide blocks are symmetrically arranged relative to the axis of the fixing ring.

Through adopting above-mentioned technical scheme, two guide blocks are in the motion of solid fixed ring's both sides jointly to drive flexible hose's free end and go up and down steadily.

Optionally, the floating block is annular, and the annular floating block is coaxial with the telescopic hose.

By adopting the technical scheme, when the floating block is lifted under the action of buoyancy, the free end of the telescopic hose is driven to stably lift.

Optionally, a sealing mechanism for sealing a gap between the free end of the telescopic hose and the inner top wall of the intercepting well body is arranged between the free end of the telescopic hose and the inner top wall of the intercepting well body.

Through adopting above-mentioned technical scheme, when flexible hose's free end butt in the interior roof of vatch basin body, sealing mechanism makes the gap between the two sealed to reduce the condition that the water in the discharge chamber got into flexible hose, and then reduce the backward flow of water.

Optionally, the sealing mechanism includes the rigid coupling in sealing washer on the solid fixed ring, the rigid coupling has sealed the pad on the interior roof of vatch basin body, set up on the sealed pad with the ring channel of sealing washer grafting adaptation.

By adopting the technical scheme, the sealing ring is inserted into the annular groove, so that the tightness between the free end of the telescopic hose and the inner top wall of the intercepting well body is improved.

Optionally, the annular groove is flared.

By adopting the technical scheme, the sealing ring is convenient to insert into the annular groove.

Optionally, the water passing hole is located higher than the water outlet in the vertical direction.

By adopting the technical scheme, the condition that water enters the water through the water outlet is reduced, so that the backflow of the water is reduced.

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

1. when the water flows backward, the water in the drain pipe enters the drain cavity through the drain outlet, the water level in the drain cavity rises, the floating block rises under the action of buoyancy, the free end of the telescopic hose rises along the vertical direction under the guiding action of the guiding mechanism until the telescopic hose is completely stretched, the free end of the telescopic hose is abutted to the inner top wall of the intercepting well body, at the moment, the drain cavity is not communicated with the intercepting cavity, and the water in the drain cavity cannot enter the intercepting cavity, so that the water is prevented from flowing backward; the lifting of the free end of the telescopic hose can be realized only by the buoyancy action of the floating block, electric drive or manual operation is not needed, and the problem that a reverse flow prevention mechanism in the related art needs to be manually operated under the condition of no electricity is solved;

2. through the arrangement of the guide block and the guide rail, when the water level in the discharge cavity changes, the floating block ascends and descends under the action of buoyancy, and the guide block slides along the guide rail, so that the free end of the telescopic hose ascends and descends along the vertical direction;

3. by arranging the sealing ring and the annular groove, the sealing performance between the free end of the telescopic hose and the inner top wall of the intercepting well body is improved, so that the condition that water in the discharge cavity enters the telescopic hose is reduced, and the backflow of the water is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic view mainly used for illustrating the interior of the intercepting well body in the embodiment of the present application.

Fig. 3 is a schematic view of another angle of the interior of the intercepting well body mainly used in the embodiment of the present application.

Fig. 4 is a schematic partial cross-sectional view of an embodiment of the present application primarily for illustrating the telescoping hose, float and guide mechanism.

Fig. 5 is a schematic partial cross-sectional view of an embodiment of the present application primarily for illustrating a gasket and annular groove.

Reference numerals: 1. a closure well body; 2. a water inlet; 3. a water inlet pipe; 4. a water outlet; 5. a drain pipe; 6. a sewage outlet; 7. a rotating lever; 8. a floating ball; 9. a baffle; 10. a partition plate; 11. a water passing hole; 12. a shut-off cavity; 13. a discharge chamber; 14. bending the pipe; 15. a flexible hose; 16. a floating block; 17. a fixing ring; 18. a guide block; 19. a guide rail; 20. a seal ring; 21. a sealing gasket; 22. an annular groove.

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, the anti-backflow intercepting well includes an intercepting well body 1. Referring to fig. 2 and 3, the water inlet 2 and the water outlet 4 are respectively formed at two opposite sides of the intercepting well body 1, the position of the water inlet 2 in the vertical direction is higher than that of the water outlet 4, and the water inlet 2 and the water outlet 4 are respectively communicated with the water inlet pipe 3 and the water outlet pipe 5. A vertical baffle plate 10 is fixedly arranged between the water inlet 2 and the water outlet 4 in the intercepting well body 1, an intercepting cavity 12 is arranged on one side, close to the water inlet 2, of the baffle plate 10 in the intercepting well body 1, and a discharging cavity 13 is arranged on one side, close to the water outlet 4, of the baffle plate 10 in the intercepting well body 1.

Referring to fig. 2, the partition plate 10 is provided with water passing holes 11, and the water passing holes 11 are positioned higher than the water outlet 4 and lower than the water inlet 2 in the vertical direction. The discharge cavity 13 is provided with an elbow pipe 14 communicated with the water hole 11, and one end of the elbow pipe 14 far away from the water hole 11 is communicated with a telescopic hose 15 which is vertically arranged. The free end of the telescopic hose 15 is fixedly connected with a floating block 16, and a guide mechanism for driving the free end of the telescopic hose 15 to lift along the vertical direction is arranged in the discharge cavity 13; when the telescopic hose 15 is in the fully extended state, the free end of the telescopic hose 15 abuts against the inner top wall of the intercepting well body 1.

When the backflow occurs, water in the drain pipe 5 enters the drain cavity 13 through the drain port 4, the water level in the drain cavity 13 rises, and the floating block 16 rises under the action of buoyancy; under the guiding action of the guiding mechanism, the free end of the telescopic hose 15 rises along the vertical direction until the telescopic hose 15 is fully extended, the free end of the telescopic hose 15 is abutted against the inner top wall of the intercepting well body 1, the discharging cavity 13 is not communicated with the intercepting cavity 12 at this time, and water in the discharging cavity 13 cannot enter the intercepting cavity 12, so that the water backflow can be avoided. The lifting of the free end of the telescopic hose 15 can be realized only by the buoyancy action of the floating block 16, electric drive or manual operation is not needed, and the problem that a reverse flow preventing mechanism in the related art needs to be manually operated under the condition of no electricity is solved.

Referring to fig. 2, the intercepting well body 1 is provided with a sewage port 6 on a sidewall of the intercepting cavity 12, and the position of the sewage port 6 in the vertical direction is lower than the water passing hole 11. The intercepting well body 1 is rotatably provided with a rotating rod 7 on the side wall of the intercepting cavity 12, two ends of the rotating rod 7 are fixedly connected with a floating ball 8 and a baffle 9 respectively, and the rotating axis of the rotating rod 7 is positioned above the sewage outlet 6. The peripheral contour of the baffle plate 9 is larger than the cross-sectional contour of the sewage port 6; when the rotating rod 7 rotates, the movement track of the baffle plate 9 passes through the sewage outlet 6.

In the case of no rain, the amount of water flowing into the intercepting cavity 12 from the water inlet pipe 3 is small, and the water in the intercepting cavity 12 is discharged from the sewage port 6, so that sewage interception in the case of no rain is realized. At this time, the floating ball 8 and the baffle 9 are both positioned above the water surface, and the gravity of the floating ball 8 and the gravity of the baffle 9 are balanced with each other, so that the rotating rod 7 is in a horizontal state.

When raining, the water quantity flowing into the intercepting cavity 12 from the water inlet pipe 3 is more, the water level in the intercepting cavity 12 is raised, the buoyancy of the floating ball 8 drives the rotating rod 7 to rotate, and the baffle plate 9 moves to shield the sewage port 6; at this time, the water in the intercepting cavity 12 cannot be discharged from the sewage port 6, but enters the bent pipe 14 through the water passing hole 11, enters the discharging cavity 13 through the telescopic hose 15, and finally is discharged from the water discharging pipe 5 through the water discharging port 4. Thus, the rain and sewage converging in rainy days is realized.

Referring to fig. 3 and 4, a fixed ring 17 is fixedly connected to the free end of the flexible tube 15, a floating block 16 is fixedly connected to the fixed ring 17, the floating block 16 is annular and sleeved on the free end of the flexible tube 15, and the annular floating block 16 is coaxial with the flexible tube 15. The guide mechanism comprises two guide blocks 18 fixedly connected to the fixed ring 17, and the two guide blocks 18 are symmetrically arranged relative to the axis of the fixed ring 17. The intercepting well body 1 is provided with a guide rail 19 in the discharge chamber 13 for sliding of the guide block 18, and the guide rail 19 extends in the vertical direction.

When the backward flow occurs, water in the drain pipe 5 enters the drain cavity 13 through the drain port 4, the water level in the drain cavity 13 rises, the floating block 16 rises under the buoyancy effect, and the two guide blocks 18 slide along the corresponding guide rails 19, so that the free end of the telescopic hose 15 stably rises in the vertical direction, and the telescopic hose 15 is stretched.

In this embodiment, the fixing ring 17, the guide block 18 and the guide rail 19 are all plastic members. On the one hand, the rust of the fixed ring 17, the guide block 18 and the guide rail 19 is reduced, and on the other hand, the self weight of the fixed ring 17, the guide block 18 and the guide rail 19 can be reduced, so that the free end of the telescopic hose 15 is helped to rise under the buoyancy action of the floating block 16.

Further, referring to fig. 3, a sealing mechanism for sealing a gap between the free end of the flexible hose 15 and the inner ceiling wall of the intercepting well body 1 is provided therebetween. Specifically, referring to fig. 4 and 5, the sealing mechanism comprises a sealing ring 20, the sealing ring 20 is fixedly connected to one side of the fixed ring 17, which is far away from the floating block 16, a sealing gasket 21 is fixedly connected to the inner top wall of the intercepting well body 1, an annular groove 22 which is in plug-in fit with the sealing ring 20 is formed in the sealing gasket 21, and the annular groove 22 is in a flaring shape. The seal ring 20 and the gasket 21 are both made of an elastic material, which may be rubber.

When the free end of the flexible hose 15 abuts against the inner top wall of the intercepting well body 1, the sealing ring 20 is inserted into the annular groove 22, so that the tightness between the free end of the flexible hose 15 and the inner top wall of the intercepting well body 1 is improved, the situation that water in the discharge cavity 13 enters the flexible hose 15 is reduced, and the backflow of the water is reduced. The annular groove 22 in the shape of a flare facilitates insertion of the seal ring 20 therein.

The implementation principle of the backflow-preventing intercepting well provided by the embodiment of the application is as follows: when the backflow occurs, water in the drain pipe 5 enters the drain cavity 13 through the drain port 4, the water level in the drain cavity 13 rises, the floating block 16 rises under the action of buoyancy, the free end of the telescopic hose 15 rises along the vertical direction under the cooperation of the guide block 18 and the guide rail 19 until the telescopic hose 15 is fully extended, the free end of the telescopic hose 15 is abutted against the inner top wall of the intercepting well body 1, at the moment, the drain cavity 13 is not communicated with the intercepting cavity 12, and the water in the drain cavity 13 cannot enter the intercepting cavity 12, so that the backflow of the water can be avoided; the lifting of the free end of the telescopic hose 15 can be realized only by the buoyancy action of the floating block 16, electric drive or manual operation is not needed, and the problem that a reverse flow preventing mechanism in the related art needs to be manually operated under the condition of no electricity is solved.

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 vatch basin body (1), water inlet (2) and outlet (4) have been seted up respectively to the both sides that vatch basin body (1) are relative, in vatch basin body (1) water inlet (2) with fixedly be provided with between outlet (4) and be vertical baffle (10), in vatch basin body (1) in baffle (10) are close to one side of water inlet (2) is provided with vatch basin (12), in vatch basin body (1) in baffle (10) are close to one side of outlet (4) is provided with discharge chamber (13), water hole (11) have been seted up on baffle (10), its characterized in that: be provided with in emission chamber (13) with return bend (14) of water hole (11) intercommunication, return bend (14) are kept away from the one end intercommunication of water hole (11) has flexible hose (15), the free end rigid coupling of flexible hose (15) has floating block (16), be provided with in emission chamber (13) and be used for order about the guiding mechanism that the free end of flexible hose (15) goes up and down along vertical direction, works as when flexible hose (15) are in the complete extension state, the free end butt of flexible hose (15) in the interior roof of vatch basin body (1).

2. A backflow prevention intercepting well according to claim 1, wherein: the utility model discloses a flexible hose, including flexible hose (15), fixed ring (17) is fixed to the free end rigid coupling of flexible hose (15), floating block (16) rigid coupling in on fixed ring (17), guiding mechanism including rigid coupling in guide block (18) on fixed ring (17), vatch basin body (1) in be provided with in emission chamber (13) confession guide rail (19) that guide block (18) slided, guide rail (19) extend along vertical direction.

3. A backflow prevention intercepting well according to claim 2, wherein: the number of the guide blocks (18) is two, and the two guide blocks (18) are symmetrically arranged relative to the axis of the fixed ring (17).

4. A backflow prevention intercepting well according to claim 2, wherein: the floating block (16) is annular, and the annular floating block (16) and the telescopic hose (15) are coaxial.

5. A backflow prevention intercepting well according to claim 2, wherein: a sealing mechanism for sealing a gap between the free end of the telescopic hose (15) and the inner top wall of the intercepting well body (1) is arranged between the free end and the inner top wall of the intercepting well body.

6. A backflow prevention intercepting well according to claim 5, wherein: the sealing mechanism comprises a sealing ring (20) fixedly connected to the fixed ring (17), a sealing gasket (21) is fixedly connected to the inner top wall of the intercepting well body (1), and an annular groove (22) which is in plug-in fit with the sealing ring (20) is formed in the sealing gasket (21).

7. A backflow prevention intercepting well according to claim 6, wherein: the annular groove (22) is flaring.

8. A backflow prevention intercepting well according to claim 1, wherein: the water passing hole (11) is positioned higher than the water outlet (4) in the vertical direction.

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