CN113802682B

CN113802682B - Anti-blocking sewer well cover

Info

Publication number: CN113802682B
Application number: CN202111054441.6A
Authority: CN
Inventors: 柴革民
Original assignee: Zhejiang Yongneng Water Supply And Drainage Equipment Co ltd
Current assignee: Zhejiang Yongneng Water Supply And Drainage Equipment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2023-06-30
Anticipated expiration: 2041-09-09
Also published as: CN113802682A

Abstract

The invention relates to the technical field of water supply and drainage, and discloses an anti-blocking sewer manhole cover, which comprises a base, wherein the base is fixedly arranged at the position of a sewer wellhead, a sewer cavity is formed in the middle position inside the base, a diversion hole is formed in the position, inside the base, of the sewer cavity, and the diversion hole is communicated with the sewer cavity. According to the invention, through the arrangement of the piston plate and the diversion holes, when the accumulated water enters from the water holes, the entered accumulated water is continuously accumulated on the piston plate, so that the gravity of water borne by the piston plate is gradually increased and then moves downwards, the diversion holes are exposed, the accumulated water on the piston plate is discharged from the diversion holes, and the accumulated water firstly falls onto the piston plate and then flows into a sewer through the piston plate, so that the falling height of the accumulated water after passing through the water holes is greatly reduced, the falling speed of the accumulated water is reduced, the phenomenon that the falling speed of the accumulated water is too fast is avoided, the rotating liquid flow is generated at the water holes, and garbage around the water holes is pulled to enter the water holes, so that the blockage is caused.

Description

Anti-blocking sewer well cover

Technical Field

The invention relates to the technical field of water supply and drainage, in particular to an anti-blocking sewer well cover.

Background

The sewer manhole cover is a covering of the well heads of the drainage wells on two sides of the road and is used for preventing people or objects from falling into the drainage wells, and meanwhile, the sewer manhole cover also has the function of facilitating the accumulated water on the road to smoothly enter the sewer.

The existing sewer well lid is generally a round structure cover plate, the cover plate is clamped with a wellhead of a drainage well, a through water hole is longitudinally formed in the cover plate, accumulated water flows into a sewer from the water hole, and then the drainage operation is completed, but in the operation, due to the fact that a large distance exists between the bottom surface of the sewer and the well lid, the falling speed of the accumulated water is gradually increased after the accumulated water flows into the water hole of the well lid, the speed of subsequent water flow is increased, the water flow forms rotary liquid flow at the water hole, strong traction force is generated, garbage around the water hole is enabled to enter the water hole due to the traction force, and therefore the water hole is blocked, and drainage efficiency is affected.

Disclosure of Invention

Aiming at the defects of the prior sewer manhole cover in the use process, the invention provides an anti-blocking sewer manhole cover, which has the advantages of avoiding water hole blocking and affecting drainage efficiency, and solves the technical problems in the prior art.

The invention provides the following technical scheme: the utility model provides a prevent sewer well lid of jam, includes the base, base fixed mounting is in the position of sewer well head, the lower water cavity has been seted up to the inside intermediate position of base, the water diversion hole has been seted up to the inside position that is located the lower water cavity of base, the suction cavity has been seted up to the inside position that is located the water diversion hole circumference side of base, the inside in suction cavity is provided with the suction piston, the connecting rod of suction piston runs through the base, the inner chamber movable mounting of base has the piston plate, the boost rod of piston plate and the connecting rod fixed connection of suction piston, the elastic component is installed in the outside of suction piston connecting rod, the upper surface of base is provided with the well lid main part.

Preferably, the distribution holes are circumferentially distributed at multiple angles in the horizontal direction inside the base.

Preferably, the lifting cavity is formed in the position, located outside the suction cavity, of the base, the lifting rod is mounted in the lifting cavity, the top end of the lifting rod penetrates through the base, and the top end of the lifting rod is fixedly connected with the bottom surface of the well lid main body.

Preferably, the suction cavity is filled with gas, a first gas vent and a second gas vent are formed in the position, below the lifting cavity, of the base, the gas storage cavity is formed in the position, outside the lifting cavity, of the base, the suction cavity is communicated with the lifting cavity through the first gas vent, the lifting cavity is communicated with the gas storage cavity through the second gas vent, and the gas volume in the suction cavity is equal to the sum of the volumes of the gas storage cavity and the lifting cavity.

Preferably, the inside of lifter and the inside of well lid main part have offered the through-hole jointly, the one end and the lift chamber intercommunication of through-hole, the inside position slidable mounting that is located water hole one side of well lid main part has the flexible piece, the other end and the cavity intercommunication that the flexible piece is located of through-hole, the inside position that is located of base is seted up the third air vent that is located the air chamber top, the air chamber passes through third air vent and lift chamber intercommunication.

The invention has the following beneficial effects:

1. according to the invention, through the arrangement of the piston plate and the diversion holes, when the accumulated water enters from the water holes, the entered accumulated water is continuously accumulated on the piston plate, so that the gravity of water borne by the piston plate is gradually increased and then moves downwards, the diversion holes are exposed, the accumulated water on the piston plate is discharged from the diversion holes, and the accumulated water firstly falls onto the piston plate and then flows into a sewer through the piston plate, so that the falling height of the accumulated water after passing through the water holes is greatly reduced, the falling speed of the accumulated water is reduced, the phenomenon that the falling speed of the accumulated water is too fast is avoided, the rotating liquid flow is generated at the water holes, and garbage around the water holes is pulled to enter the water holes, so that the blockage is caused.

2. According to the invention, through the arrangement of the piston plate and the diversion holes, the diversion holes are exposed along with the gradual downward movement of the piston plate, so that accumulated water on the piston plate is discharged into a sewer from the diversion holes, and due to the multi-angle arrangement of the diversion holes, multi-directional traction force is generated on subsequent accumulated water when the accumulated water is discharged, so that when a single drainage hole is used for discharging water, the generated traction force with a single angle can generate rotary liquid flow on the accumulated water on the piston plate, the liquid flow is negative pressure on the water holes, and the suction force of the water holes on peripheral garbage is increased, so that garbage enters the water holes, and the blockage is caused.

3. According to the invention, through the arrangement of the suction piston and the telescopic block, the suction piston is driven to move downwards in the process of moving downwards the piston plate, so that the suction piston can squeeze the gas in the suction cavity into the gas storage cavity, the gas entering the gas storage cavity passes through the third gas guide hole and the through hole and then enters the cavity where the telescopic block is positioned, the telescopic block is pushed to extend out, the extending telescopic block surrounds a grid structure, the water hole is filtered through the structure, the garbage around the water hole is prevented from entering the water hole to cause blockage, and meanwhile, the grid structure divides the accumulated water entering the water hole into a plurality of water flows so as to disperse the traction force generated when the single water flows downwards, and the generation of rotary liquid flow is avoided.

Drawings

FIG. 1 is a schematic view of a piston plate of the present invention;

FIG. 2 is a schematic view of the initial state of the structure of the present invention;

FIG. 3 is a schematic view of a piston plate of the present invention in a downward movement;

FIG. 4 is a schematic view of a structural flow diversion aperture of the present invention;

fig. 5 is a schematic view of a telescopic block according to the present invention.

In the figure: 1. a base; 2. a water discharging cavity; 3. a diversion aperture; 4. a suction chamber; 5. a suction piston; 6. a piston plate; 7. an elastic member; 8. a lifting cavity; 9. a lifting rod; 10. a well lid main body; 11. a through hole; 12. a telescopic block; 13. a first air vent; 14. a second air guide hole; 15. an air storage cavity; 16. and a third air guide hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, an anti-blocking sewer manhole cover is disclosed, a base 1 is fixedly installed at a sewer wellhead, a sewer cavity 2 is provided at a middle position inside the base 1, a diversion hole 3 is provided at a position inside the base 1, which is located inside the sewer cavity 2, the diversion hole 3 is communicated with the sewer cavity 2, a suction cavity 4 is provided at a position inside the base 1, which is located at a circumferential side of the diversion hole 3, a suction piston 5 is slidably installed inside the suction cavity 4, a connecting rod of the suction piston 5 penetrates through the base 1, a piston plate 6 is movably installed in an inner cavity of the base 1, a push rod of the piston plate 6 is fixedly connected with the connecting rod of the suction piston 5, an elastic piece 7 is movably sleeved at an outer side of the connecting rod of the suction piston 5, one end of the elastic piece 7 is fixedly connected with the suction piston 5, the other end of the elastic piece 7 is fixedly connected with a bottom surface of the suction cavity 4, a manhole cover main body 10 is provided on an upper surface of the base 1, when the accumulated water passes through the water hole of the well cover main body 10, the entered accumulated water falls onto the piston plate 6, the piston plate 6 gradually moves downwards along with the continuous entering of the accumulated water and drives the suction piston 5 to extrude the elastic piece 7, the flow dividing hole 3 is exposed along with the downward moving of the piston plate 6, the accumulated water on the piston plate 6 is discharged from the flow dividing hole 3, the accumulated water firstly falls onto the piston plate 6 and then flows into the sewer through the piston plate 6, the falling height of the accumulated water after passing through the water hole is greatly reduced, the falling speed of the accumulated water is prevented from being too fast, the rotary liquid flow is generated at the water hole, garbage around the water diversion hole is further pulled into the water hole to cause blockage, the elastic piece 7 releases elastic force along with the gradual discharging of the accumulated water into the sewer, the piston plate 6 is further driven to reset, after the reset of the piston plate 6, separate water hole and sewer, and then avoid the foul smell of sewer to spill over to the external space in, polluted environment, when a large amount of ponding appears on the road surface, ponding is greater than the drainage speed of reposition of redundant personnel hole 3 from the water hole speed that the ponding passed through, and then makes ponding promote piston plate 6 to move extreme position downwards, makes piston plate 6 break away from base 1, and then increases drainage speed, avoids the road surface to produce a large amount of ponding, causes the waterlogging.

Referring to fig. 4, the diversion holes 3 are circumferentially distributed at multiple angles in the horizontal direction inside the base 1, and in the process of draining the accumulated water on the piston plate 6 from the diversion holes 3, as the diversion holes 3 are arranged at multiple angles, when the accumulated water is drained, multidirectional traction force is generated on the accumulated water on the subsequent piston plate 6, so that traction force generated by water flow during drainage is dispersed, the accumulated water on the piston plate 6 is prevented from generating rotary liquid flow by the traction force of a single angle, the negative pressure of the liquid flow on the water holes is further increased, and suction force of the water holes on garbage around is further increased, so that garbage enters the water holes, and blockage is caused.

Referring to fig. 3, a lifting cavity 8 is formed in a position, located outside the suction cavity 4, of the base 1, a lifting rod 9 is slidably mounted in the lifting cavity 8, the top end of the lifting rod 9 penetrates through the base 1, the top end of the lifting rod 9 is fixedly connected with the bottom surface of the well lid main body 10, a large amount of water accumulation occurs on a road surface, and then the water accumulation pushes the piston plate 6 to separate from the base 1, the suction piston 5 extrudes gas in the suction cavity 4 into the lifting cavity 8, the gas entering the lifting cavity 8 pushes the lifting rod 9 to move upwards, and then drives the well lid main body 10 to move upwards, so that water accumulation enters from a gap generated by upward movement of the well lid main body 10, the water inlet speed is increased, a large amount of water accumulation is avoided on the road surface, and waterlogging is caused.

Referring to fig. 3, the pumping chamber 4 is filled with gas, a first gas vent 13 and a second gas vent 14 are formed in a position below the lifting chamber 8 in the base 1, a gas storage chamber 15 is formed in a position outside the lifting chamber 8 in the base 1, one end of the first gas vent 13 is communicated with the pumping chamber 4, the other end of the first gas vent 13 is communicated with the lifting chamber 8, one end of the second gas vent 14 is communicated with the lifting chamber 8, the other end of the second gas vent 14 is communicated with the bottom surface of the gas storage chamber 15, the volume of the gas in the pumping chamber 4 is equal to the sum of the volumes of the gas storage chamber 15 and the lifting chamber 8, and in the process of transferring the gas in the pumping chamber 4, the gas firstly enters the lifting chamber 8 through the first gas vent 13, and the well lid body 10 exerts a certain pressure on the lifting rod 9, so that the gas entering the lifting chamber 8 enters the gas storage chamber 15 through the second gas vent 14, and thus the road surface is prevented from being jacked up by the gas transferred in the pumping chamber 4 when the road surface is not accumulated in a large amount, and inconvenience is caused to the passing of personnel is avoided.

Referring to fig. 3 and 5, a through hole 11 is formed in the lifting rod 9 and the interior of the well lid main body 10, one end of the through hole 11 is communicated with a region of the lifting cavity 8 located at the upper portion of the lifting rod 9, a telescopic block 12 is slidably mounted in the well lid main body 10 at a position located at one side of the water hole, the other end of the through hole 11 is communicated with a cavity where the telescopic block 12 is located, a third air guide hole 16 is formed in the base 1 at a position above the air storage cavity 15, one end of the third air guide hole 16 is communicated with the upper surface of the air storage cavity 15, the other end of the third air guide hole 16 is communicated with a region of the lifting cavity 8 located at the upper portion of the lifting rod 9, air entering the air storage cavity 15 passes through the third air guide hole 16 and the through hole 11, and then enters the cavity where the telescopic block 12 is located, the telescopic block 12 is pushed to extend out, a drain net structure is formed by surrounding the telescopic block 12, the water hole is filtered by the structure, garbage around the water hole is prevented from entering the water hole, meanwhile, the drain net structure divides accumulated water into multiple strands of water flows, and the water flows are prevented from flowing down, and rotation is avoided.

The application method (working principle) of the invention is as follows:

when a small amount of accumulated water appears on the road surface during operation, the accumulated water passes through the water hole of the well cover main body 10 and falls on the piston plate 6, along with the continuous entering of the accumulated water, the piston plate 6 drives the suction piston 5 to move downwards and extrude the elastic piece 7, the gas in the suction cavity 4 is extruded in the process of moving downwards the suction piston 5, the gas enters the lifting cavity 8 through the first air guide hole 13, the well cover main body 10 applies certain pressure to the lifting rod 9, the gas entering the lifting cavity 8 enters the air storage cavity 15 through the second air guide hole 14, the gas entering the air storage cavity 15 passes through the third air guide hole 16 and the through hole 11, then enters the cavity where the telescopic block 12 is positioned, the telescopic block 12 is pushed to stretch out, the stretched telescopic block 12 encloses a leakage net structure, the water hole is filtered through the structure, garbage around the water hole is prevented from entering the water hole, with the continued downward movement of the piston plate 6, the diversion holes 3 are exposed, the accumulated water on the piston plate 6 is discharged from the diversion holes 3 and flows into the sewer through the sewer cavity 2, the elastic piece 7 releases elastic force along with the gradual discharge of the accumulated water into the sewer, and then the piston plate 6 is driven to reset, in the resetting process of the piston plate 6, the suction piston 5 is driven to reset, and then gas is returned to the suction cavity 4, when a large amount of accumulated water appears on a road, the passing speed of the accumulated water from the water holes is greater than the drainage speed of the diversion holes 3, and then the accumulated water pushes the piston plate 6 to move downwards to the limit position, so that the piston plate 6 is separated from the base 1, and the drainage speed is increased, simultaneously, the piston plate 6 drives the suction piston 5 to synchronously move downwards to the limit position, and the gas in the suction cavity 4 is extruded into the lifting cavity 8 and the gas storage cavity 15 in the downward movement of the suction piston 5 to the limit position, and then make lifting cavity 8 and the inside gas that is full of gas storage cavity 15 for the gas that gets into in the lifting cavity 8 promotes lifter 9 and moves up, and then drives well lid main part 10 and move up, makes ponding follow well lid main part 10 and moves the clearance that produces up and get into, and then increase the speed of intaking, after the ponding on road surface is arranged, elastic component 7 drives piston plate 6 and resets, and then makes the gas get back to suction cavity 4, and well lid main part 10 moves down and resets, this is a duty cycle.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent sewer well lid, includes base (1), its characterized in that: the utility model discloses a sewer wellhead, including base (1), piston plate (6) and connecting rod fixed connection, connecting rod, elastic component (7) are installed in the outside of piston plate (6), upper surface of base (1) is provided with well lid main part (10) along with the continuous entering of ponding, piston plate (6) gradually move down and drive suction piston (5) extrusion elastic component (7) in the position of base (1) fixed mounting at the sewer wellhead, lower water cavity (2) has been seted up to the inside intermediate position of base (1), branch hole (3) have been seted up to the inside position that is located lower water cavity (2) of base (1), branch hole (3) and lower water cavity (2) intercommunication, the inside position that is located branch hole (3) circumference side of base (1) has been seted up suction cavity (4), the connecting rod of suction piston (5) runs through base (1), the inner chamber movable mounting of base (1) has piston plate (6), the auxiliary rod of piston plate (6) and the connecting rod fixed connection of suction piston (5), elastic component (7) are installed in the outside of suction piston plate (5).

2. The anti-clogging sewer manhole cover of claim 1 wherein: the distribution holes (3) are circumferentially distributed at multiple angles in the horizontal direction inside the base (1).

3. The anti-clogging sewer manhole cover of claim 1 wherein: lifting cavity (8) have been seted up to the inside position that is located suction cavity (4) outside of base (1), the internally mounted in lifting cavity (8) has lifter (9), the top of lifter (9) runs through base (1), the top of lifter (9) and the bottom surface fixed connection of well lid main part (10).

4. The anti-clogging sewer manhole cover of claim 1 wherein: the novel air suction device is characterized in that the suction cavity (4) is filled with air, a first air guide hole (13) and a second air guide hole (14) are formed in the base (1) at the position below the lifting cavity (8), an air storage cavity (15) is formed in the base (1) at the position outside the lifting cavity (8), the suction cavity (4) is communicated with the lifting cavity (8) through the first air guide hole (13), the lifting cavity (8) is communicated with the air storage cavity (15) through the second air guide hole (14), and the air volume in the suction cavity (4) is equal to the sum of the volumes of the air storage cavity (15) and the lifting cavity (8).

5. A blockage resistant sewer manhole cover as claimed in claim 3, wherein: the inside of lifter (9) and the inside of well lid main part (10) have offered perforation (11) jointly, the one end and the lifting chamber (8) intercommunication of perforation (11), the inside position slidable mounting that is located water hole one side of well lid main part (10) has flexible piece (12), the other end and the cavity intercommunication that flexible piece (12) are located of perforation (11), third air vent (16) have been seted up to the inside position that is located of base (1) air-storage chamber (15) top, air-storage chamber (15) are through third air vent (16) and lifting chamber (8) intercommunication.