CN106759820B - Odour-proof and anti-blocking manhole cover - Google Patents
Odour-proof and anti-blocking manhole cover Download PDFInfo
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- CN106759820B CN106759820B CN201710185556.6A CN201710185556A CN106759820B CN 106759820 B CN106759820 B CN 106759820B CN 201710185556 A CN201710185556 A CN 201710185556A CN 106759820 B CN106759820 B CN 106759820B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal
- E03F2005/0417—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal in the form of a valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The invention discloses a deodorization and anti-blocking well lid, which has the technical scheme that the peculiar smell of a sewer is in the most severe state when the temperature is higher, so that through the principle of expansion with heat and contraction with cold, when the temperature is high, air expands to push a first piston body to move and then a drain hole is blocked by a sealing blocking piece, thereby achieving the aim of deodorization, and meanwhile, the temperature of the well lid is reduced when drainage is needed, so that the air in a cavity is contracted, and the drain hole is in a circulation state, thereby not influencing drainage; meanwhile, in order to prevent the drain hole from being blocked, when a vehicle passes through, the driving mechanism stores high-pressure gas into the gas storage tank, the first drain hole is blocked, and then sundries in the first drain hole are blown by opening the air outlet through the switch mechanism, so that the anti-blocking purpose is achieved. The invention has good deodorization effect and good drainage function and can prevent the drain hole from being blocked.
Description
Technical Field
The invention relates to the field of municipal engineering equipment, in particular to a deodorant anti-blocking well lid.
Background
When people walk in cities, peculiar smells are often asked, which not only affect the urban beauty, pollute air and are harmful to human bodies, but also affect the mood of the walker. By exploring the source of these odors we know that these odors come from the sewer and escape through the drain opening in the well lid. We therefore need to explore a way to prevent the escape of odors.
For example, a deodorization well lid mentioned in chinese patent with publication number CN202450618U adopts the following technical scheme: the novel water filter comprises a cover body, wherein water filtering holes are annularly distributed in the cover body, an arc-shaped water storage tank is formed by inward rolling and hooking of the edge of the lower end of the cover body, and a deodorization ring extending into the arc-shaped water storage tank is arranged at the center of the lower end of the cover body. The invention forms a deodorization mechanism by the deodorization ring extending into the arc-shaped water storage tank, so that water is always stored in the arc-shaped water storage tank to form water seal, thereby preventing odor or peculiar smell from emitting from a well mouth and achieving the aim of deodorization.
However, the above-mentioned deodorization well lid does not consider the drainage function of the well lid, and the deodorization ring formed by the above-mentioned deodorization well lid is easy to be blocked during the drainage process, thereby reducing the drainage function of the well lid. Therefore, the design of the manhole cover which can prevent odor and blockage is very necessary, and the requirement of environment protection and energy conservation in the current society is met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a deodorization and anti-blocking well lid which can play a deodorization effect and has a good anti-blocking effect.
In order to achieve the purpose, the invention provides the following technical scheme: a deodorization anti-blocking well lid is installed on a well lid installation seat and comprises a circular well lid body, a plurality of first drainage holes in the vertical direction are uniformly formed in the position, close to the edge, of the well lid body, a cavity is formed in the well lid body, air is filled in the cavity, the air in the cavity is at atmospheric pressure at normal temperature, the cavity is uniformly communicated with a plurality of first piston cylinder bodies, the piston cylinder bodies are arranged in the diameter direction of the well lid body, the number of the first piston cylinder bodies is equal to that of the first drainage holes, meanwhile, the first piston cylinder bodies are communicated with the first drainage holes, a first piston body is connected in a sliding and sealing mode in the first piston cylinder bodies, a first clamping table for preventing the piston body from sliding in is arranged on one side, close to the cavity, of each first piston cylinder body, a sealing separation blade for deodorization is arranged on one side, close to the first drainage holes, of each first piston cylinder body, the sealing separation blade is not contacted with the first drainage hole under the normal temperature state, and the sealing separation blade gradually begins to be contacted with the first drainage hole due to air expansion when the temperature is higher than the normal temperature; the first piston cylinder body is provided with a second drain hole and a third drain hole in the vertical direction in the diameter direction, the length of the first piston body is larger than the distance between the second drain hole and the third drain hole, and when the sealing separation blade is in contact with the first drain hole, the second drain hole and the third drain hole are not communicated with the cavity; the center of the well lid body is also provided with an anti-blocking device, and the anti-blocking device comprises a driving mechanism and an anti-blocking mechanism; the driving mechanism comprises a driving post arranged at the center of the well lid body, the upper surface of the driving post is provided with a spherical bulge, the lower end of the driving post is connected with a second piston body, the center of the well lid is provided with a second piston cylinder body connected with the second piston body in a sealing and sliding manner, the second piston cylinder body is provided with a second clamping table for preventing the second piston body from sliding out, the second piston cylinder body also comprises a cylinder bottom, a first compression spring is arranged between the second piston body and the cylinder bottom, when no automobile passes through the second piston cylinder body, the upper surface of the driving post is flush with the upper surface of the well lid body, the cylinder bottom is connected with an air inlet one-way valve and an air outlet one-way valve, the air inlet one-way valve is connected with an air inlet channel, the air inlet channel is communicated with the outside, the air outlet one-way valve is connected with a connecting pipe, and the other end of the connecting pipe is connected with an air storage tank, the air storage tank is also connected with an independent air outlet channel, a switch mechanism is arranged on the air outlet channel, and the other end of the air outlet channel is connected with a blockage clearing mechanism; the switch mechanism comprises a switch tube which is arranged on the same plane with the second drain hole and the third drain hole and is arranged at the position, close to the center of the well cover, of the first piston cylinder body, a switch rod is connected in the switch tube in a sealing and sliding mode, the top end of the switch rod is connected with a spherical bump, a second compression spring is further connected between the bottom of the switch rod and the bottom of the switch tube, the air outlet channel penetrates through the switch tube, a through hole is formed in the switch tube, the bump extends into the first piston cylinder body when the second compression spring is in a natural state, the air outlet channel is staggered with the through hole, the air outlet channel is closed, and when the first piston body presses the bump back into the switch tube, the through hole is communicated with the air outlet channel; the length of the first piston body is equal to the distance between the third drain hole and the switch tube; the blockage removing mechanism comprises exhaust holes uniformly formed in the surface of the first water drainage pipe, the exhaust holes are obliquely and downwards formed, and the exhaust holes are communicated with the air outlet channel.
Above-mentioned deodorant anti-blocking well lid, its characterized in that: fins for increasing the heat exchange area are uniformly arranged in the cavity.
By adopting the technical scheme, the peculiar smell of the sewer is considered to be easy to volatilize under the condition of higher temperature, the volatilization is small under the condition of low temperature and is not considered, and the first drainage hole is required to be opened when the water needs to be drained; when water needs to be drained, the temperature of the air in the cavity is reduced due to the temperature of the water, so that the air in the cavity starts to contract to enable the sealing baffle to be far away from the first drain hole, and the first drain hole is in a circulating state, so that water can be drained; when the first water drainage hole is blocked or the flow rate of drainage is larger, the pressure of water on the first piston body is larger than the pressure of air in the cavity on the first piston body, so that the first piston body starts to move, and the second water drainage hole and the third water drainage hole are opened in the moving process, so that the drainage capacity can be larger; when the first drainage hole is blocked, the second drainage hole and the third drainage hole cannot meet the requirement of drainage capacity, the anti-blocking device can clean up the blocked sundries in the first drainage hole, the first piston body can move due to high water pressure and enables the switch mechanism to be in a communicated state through the extrusion lug, high-pressure air in the air storage tank flows into the exhaust hole through the air outlet channel, the high-pressure air in the exhaust hole generates pressure on the sundries to blow out the sundries, and therefore the circulation of the first drainage pipe is guaranteed; the air storage tank is used for storing air through the driving mechanism, when a vehicle passes through, the tire of the vehicle can generate pressure on the spherical bulge, so that air in the second piston cylinder body can be pressed into the air storage tank through the air outlet one-way valve, and when the tire leaves, the air is sucked into the second piston cylinder body through the air inlet one-way valve under the action of the first spring, so that energy can be collected in a reciprocating mode, and high-pressure air is stored in the air storage tank; in conclusion, the deodorant anti-blocking well lid has a good deodorant effect, can meet the requirement of large-water-volume drainage, can automatically perform blockage clearing treatment when a first drainage hole is blocked, is efficient and quick, and has good social significance.
The invention is further configured to: fins for increasing the heat exchange area are uniformly arranged in the cavity.
The invention is further configured to: the fins are arranged in parallel.
The invention is further configured to: the method is characterized in that: the number of the fins is 2-10.
Through adopting above-mentioned technical scheme, the fin can increase the heat transfer area of air and well lid to increase heat exchange efficiency, thereby make the air in the cavity can be more quick change along with ambient temperature's change, be favorable to producing better deodorant effect.
In conclusion, the invention has the following beneficial effects: the invention has good deodorization effect, can meet the requirement of large-water-volume drainage, can automatically perform blockage removal treatment when the first drainage hole is blocked, is efficient and quick, and has good social significance.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
Fig. 2 is a schematic view of the internal structure of the embodiment.
Fig. 3 is a partially enlarged view of B in fig. 2.
Fig. 4 is a partially enlarged view of C in fig. 2.
Fig. 5 is a partial enlarged view of D in fig. 2.
In the figure: 1. a well cover mounting seat; 2. a well lid body; 3. a first drain hole; 4. a cavity; 5. air; 6. a first piston cylinder; 7. a first piston body; 8. a first chuck table; 9. sealing the baffle plate; 10. a second drain hole; 11. a third drain hole; 12. a drive column; 13. spherical surface is convex; 14. a second piston body; 15. a second piston cylinder; 16. a second chuck table; 17. a cylinder bottom; 18. a first compression spring; 19. an air inlet check valve; 20. an air outlet one-way valve; 21. an air intake passage; 22. a connecting pipe; 23. a gas storage tank; 24. an air outlet channel; 25. a switching tube; 26. a switch lever; 27. a bump; 28. a second compression spring; 29. a via hole; 30. a fin; 31. and (4) exhausting holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides a deodorant anti-blocking well lid, as shown in fig. 1 to 5, installs on well lid mount pad 1, including circular shape well lid body 2, well lid body 2's the position that is close to the edge evenly is provided with the first drainage hole 3 of a plurality of vertical directions, can drain water well through first drainage hole 3. However, the bad smell of the sewage is volatilized from the first drain hole 3 under the high temperature condition.
A cavity 4 is arranged in the well lid body 2, and the cavity 4 is filled with air 5. Evenly be provided with the fin 30 that is used for increasing heat transfer area in the cavity 4, fin 30 can increase the heat transfer area of air 5 and well lid to increase heat exchange efficiency, thereby make the change along with ambient temperature's that air 5 in the cavity 4 can be more quick, be favorable to producing better deodorant effect. The air 5 in the cavity 4 is atmospheric pressure at normal temperature, the cavity 4 is uniformly communicated with a plurality of first piston cylinder bodies 6, the piston cylinder bodies are arranged in the diameter direction of the well lid body 2, the number of the first piston cylinder bodies 6 is equal to that of the first drainage holes 3, meanwhile, the first piston cylinder bodies 6 are communicated with the first drainage holes 3, the first piston cylinder bodies 6 are connected with first piston bodies 7 in a sliding and sealing mode, one sides, close to the cavity 4, of the first piston cylinder bodies 6 are provided with first clamping platforms 8 for preventing the piston bodies from sliding into, one sides, close to the first drainage holes 3, of the first piston cylinder bodies 6 are provided with sealing separation blades 9 for deodorization, the sealing separation blades 9 are not in contact with the first drainage holes 3 at normal temperature, and the sealing separation blades 9 gradually start to be in contact with the first drainage holes 3 due to expansion of the air 5 when the temperature is higher than the normal temperature.
The peculiar smell of the sewer is easy to volatilize under the condition of higher temperature, and the volatilization is small under the condition of lower temperature. Because the air 5 in the cavity 4 is in a closed space, when the atmospheric temperature is higher, the air 5 in the cavity 4 begins to expand and further pushes the first piston body 7 to move in the first piston cylinder body 6 due to heating, and then the sealing baffle plate 9 is gradually contacted with the first drainage hole 3, so that the first drainage hole 3 is in a non-circulating state, and the purpose of deodorization is achieved. When water needs to be drained, the temperature of the air 5 in the cavity 4 is reduced due to the temperature of the water, and then the air 5 in the cavity 4 begins to shrink so that the sealing baffle 9 is far away from the first drain hole 3, so that the first drain hole 3 is in a circulating state, and water can be drained.
The first piston cylinder 6 is provided with a second drain hole 10 and a third drain hole 11 in the vertical direction in the diameter direction, the length of the first piston body 7 is larger than the distance between the second drain hole 10 and the third drain hole 11, and when the sealing baffle 9 is in contact with the first drain hole 3, the second drain hole 10 and the third drain hole 11 are not communicated with the cavity 4.
When the first drain hole 3 is blocked or the flow rate of the drained water is larger, the first piston body 7 starts to move because the pressure of the water on the first piston body 7 is larger than the pressure of the air 5 in the cavity 4 on the first piston body 7, and the second drain hole 10 and the third drain hole 11 are opened during the movement, so that the water discharge capacity can be larger.
The central position of well lid body 2 still is provided with prevents stifled device, prevents stifled device and includes actuating mechanism and prevents stifled mechanism.
The driving mechanism comprises a driving column 12 arranged at the center of the well cover body 2, a spherical bulge 13 is arranged on the upper surface of the driving column 12, a second piston body 14 is connected to the lower end of the driving column 12, a second piston cylinder body 15 connected with the second piston body 14 in a sealing and sliding manner is arranged at the center of the well cover, a second clamping table 16 for preventing the second piston body 14 from sliding out is arranged on the second piston cylinder body 15, the second piston cylinder body 15 further comprises a cylinder bottom 17, a first compression spring 18 is arranged between the second piston body 14 and the cylinder bottom 17, when no automobile passes through, the upper surface of the driving column 12 is flush with the upper surface of the well cover body 2, an air inlet check valve 19 and an air outlet check valve 20 are connected to the cylinder bottom 17, the air inlet check valve 19 is connected with an air inlet channel 21, the air inlet channel 21 is communicated with the outside, the air outlet check valve 20 is connected with a connecting pipe 22, and the other end of the connecting pipe 22 is connected with an air storage tank 23, the air storage tank 23 is connected with an independent air outlet channel 24, the air outlet channel 24 is provided with a switch mechanism, and the other end of the air outlet channel 24 is connected with a blockage clearing mechanism.
When the vehicle passes by, the tire of the vehicle can generate pressure on the spherical bulge 13, so that the air 5 in the second piston cylinder 15 can be pressed into the air storage tank 23 through the air outlet one-way valve 20, and after the tire leaves, the air 5 is sucked into the second piston cylinder 15 through the air inlet one-way valve 19 under the action of the first spring, so that the reciprocating motion can collect energy, and high-pressure air is stored in the air storage tank 23.
The switch mechanism comprises a switch tube 25 which is arranged on the same plane with the second drain hole 10 and the third drain hole 11 and is arranged at the position, close to the center of the well cover, of the first piston cylinder body 6, a switch rod 26 is connected in the switch tube 25 in a sealing and sliding mode, a spherical lug 27 is connected to the top end of the switch rod 26, a second compression spring 28 is connected between the bottom of the switch rod 26 and the bottom of the switch tube 25, an air outlet channel 24 penetrates through the switch tube 25, a through hole 29 is formed in the switch tube 25, the lug 27 extends into the first piston cylinder body 6 when the second compression spring 28 is in a natural state, the air outlet channel 24 is staggered with the through hole 29, the air outlet channel 24 is closed, and when the first piston body 7 presses the lug 27 back into the switch tube 25, the through hole 29 is communicated with the air outlet channel 24; the length of the first piston body 7 is equal to the distance between the third drain hole 11 and the open/close tube 25.
When the first drain hole 3 is blocked up, the second drain hole 10 and the third drain hole 11 can not satisfy the requirement of the displacement, the blockage prevention device can clear up the sundries blocked up in the first drain hole 3 at the moment, the switch mechanism is in a communicated state due to the fact that the large first piston body 7 of the water pressure can move and the extrusion lug 27 is extruded, the high-pressure air 5 in the air storage tank 23 flows into the blockage removal mechanism through the air outlet channel 24, the blockage removal mechanism can clear up the sundries in the first drain hole 3, and therefore circulation of the first drain hole 3 is guaranteed.
The blockage removing mechanism comprises exhaust holes 31 uniformly arranged on the surface of the first drainage pipe, the exhaust holes 31 are obliquely and downwards arranged, and the exhaust holes 31 are communicated with the air outlet channel 24. When the switch mechanism is opened, the high-pressure air 5 in the air storage tank 23 flows into the air outlet hole 31 through the air outlet channel 24, and the high-pressure air in the air outlet hole 31 generates pressure on the sundries, so that the sundries are blown out, and the circulation of the first drainage pipe is further ensured.
The working state of the well cover is described in detail as follows: 1. while the first drain hole 3 remains in circulation: the first piston body 7 can make the sealing separation blade 9 contact with the first drainage hole 3 to make the first drainage hole 3 in a blocking state due to the expansion of the air 5 in the cavity 4 when the temperature is high through the change of the external temperature, so that the aim of deodorization is fulfilled; 2. the gas storage process of the gas storage tank 23: when a vehicle passes by, the tire of the vehicle generates pressure on the spherical bulge 13, so that the air 5 in the second piston cylinder 15 is pressed into the air storage tank 23 through the air outlet one-way valve 20, and after the tire leaves, the air 5 is sucked into the second piston cylinder 15 through the air inlet one-way valve 19 under the action of the first compression spring 18, so that energy can be collected in a reciprocating mode, and high-pressure air is stored in the air storage tank 23; 3. when drainage is required; because the temperature of water can reduce the temperature of the air 5 in the cavity 4, therefore the air 5 in the cavity 4 contracts, then the first drain hole 3 is opened, when the first drain hole 3 is blocked or the flow of the drained water is larger, at this time, because the pressure of water to the first piston body 7 is greater than the pressure of the air 5 in the cavity 4 to the first piston body 7, the first piston body 7 starts to move, the second drain hole 10 and the third drain hole 11 are opened in the moving process, thereby the water drainage quantity can be larger, meanwhile, if the first drain hole 3 is blocked, the pressure of water to the first piston body 7 is overlarge, until the triggering switch mechanism thereof releases the gas in the gas storage tank 23 to the blockage clearing mechanism, thereby the first drain pipe is in the circulation state, and further the first drain pipe is prevented from being blocked.
In conclusion, the invention has the following beneficial effects: the invention has good deodorization effect, can meet the requirement of large-water-volume drainage, can automatically clear blockage when the first drainage hole 3 is blocked, is efficient and quick, and has good social significance.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. Deodorant stifled well lid of preventing is installed on well lid mount pad (1), including circular shape well lid body (2), the position that is close to the edge of well lid body (2) evenly is provided with first drain hole (3) of a plurality of vertical directions, its characterized in that: the manhole cover comprises a manhole cover body (2), wherein a cavity (4) is arranged in the manhole cover body (2), the cavity (4) is filled with air (5), the air (5) in the cavity (4) is at atmospheric pressure at normal temperature, the cavity (4) is uniformly communicated with a plurality of first piston cylinder bodies (6), the piston cylinder bodies are arranged in the diameter direction of the manhole cover body (2), the number of the first piston cylinder bodies (6) is equal to that of the first drainage holes (3), meanwhile, the first piston cylinder bodies (6) are communicated with the first drainage holes (3), the first piston cylinder bodies (6) are connected with first piston bodies (7) in a sliding and sealing mode, one side, close to the cavity (4), of each first piston cylinder body (6) is provided with a first clamping table (8) for preventing the piston bodies from sliding in, one side, close to the first drainage holes (3), of each first piston cylinder body (6) is provided with a sealing blocking piece (9) for deodorization, under the normal temperature state, the sealing baffle (9) is not contacted with the first drainage hole (3), and when the temperature is higher than the normal temperature, the sealing baffle (9) gradually begins to be contacted with the first drainage hole (3) due to the expansion of air (5); the first piston cylinder body (6) is provided with a second drain hole (10) and a third drain hole (11) which are arranged in the vertical direction in the diameter direction, the length of the first piston body (7) is larger than the distance between the second drain hole (10) and the third drain hole (11), and when the sealing baffle piece (9) is in contact with the first drain hole (3), the second drain hole (10) and the third drain hole (11) are not communicated with the cavity (4); an anti-blocking device is further arranged at the center of the well lid body (2), and comprises a driving mechanism and an anti-blocking mechanism; the driving mechanism comprises a driving column (12) arranged at the center of the well lid body (2), a spherical protrusion (13) is arranged on the upper surface of the driving column (12), a second piston body (14) is connected to the lower end of the driving column (12), a second piston cylinder body (15) connected with the second piston body (14) in a sealing and sliding mode is arranged at the center of the well lid, a second clamping table (16) for preventing the second piston body (14) from sliding out is arranged on the second piston cylinder body (15), the second piston cylinder body (15) further comprises a cylinder bottom (17), a first compression spring (18) is arranged between the second piston body (14) and the cylinder bottom (17), when no automobile passes through, the upper surface of the driving column (12) is flush with the upper surface of the well lid body (2), and the cylinder bottom (17) is connected with an air inlet check valve (19) and an air outlet check valve (20), the air inlet one-way valve (19) is connected with an air inlet channel (21), the air inlet channel (21) is communicated with the outside, the air outlet one-way valve (20) is connected with a connecting pipe (22), the other end of the connecting pipe (22) is connected with an air storage tank (23), the air storage tank (23) is connected with an independent air outlet channel (24), a switch mechanism is arranged on the air outlet channel (24), and the other end of the air outlet channel (24) is connected with a blockage clearing mechanism; the switch mechanism comprises a switch tube (25) which is arranged on the same plane of the second drain hole (10) and the third drain hole (11) and is arranged at the position, close to the center of the well cover, of the first piston cylinder body (6), a switch rod (26) is connected in the switch tube (25) in a sealing and sliding mode, the top end of the switch rod (26) is connected with a spherical lug (27), a second compression spring (28) is connected between the bottom of the switch rod (26) and the bottom of the switch tube (25), the air outlet channel (24) penetrates through the switch tube (25), a through hole (29) is formed in the switch tube (25), the lug (27) extends into the first piston cylinder body (6) when the second compression spring (28) is in a natural state, the air outlet channel (24) is staggered with the through hole (29), and the air outlet channel (24) is closed, when the first piston body (7) presses the lug (27) back into the switch tube (25), the through hole (29) is communicated with the air outlet channel (24); the length of the first piston body (7) is equal to the distance between the third drain hole (11) and the switch tube (25); the blockage removing mechanism comprises exhaust holes (31) uniformly arranged on the surface of the first drainage pipe, the exhaust holes (31) are obliquely and downwards arranged, and the exhaust holes (31) are communicated with the air outlet channel (24); fins (30) used for increasing the heat exchange area are uniformly arranged in the cavity (4).
2. The odor-resistant and anti-blocking well lid of claim 1, wherein: the fins (30) are arranged in parallel.
3. The odor-resistant anti-blocking well lid according to claim 1 or claim 2, wherein: the number of the fins (30) is 2-10.
4. The odor-resistant and anti-blocking well lid of claim 3, wherein: the thickness of the fin (30) is 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185556.6A CN106759820B (en) | 2017-03-26 | 2017-03-26 | Odour-proof and anti-blocking manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185556.6A CN106759820B (en) | 2017-03-26 | 2017-03-26 | Odour-proof and anti-blocking manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106759820A CN106759820A (en) | 2017-05-31 |
| CN106759820B true CN106759820B (en) | 2022-08-16 |
Family
ID=58967677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710185556.6A Active CN106759820B (en) | 2017-03-26 | 2017-03-26 | Odour-proof and anti-blocking manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106759820B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616793A (en) * | 2018-03-25 | 2019-12-27 | 金福珍 | Be suitable for energy storage from stifled formula municipal drainage well lid |
| CN110629798B (en) * | 2019-09-27 | 2021-04-23 | 河南城建学院 | Underground works construction is with from closed well lid based on thermal evaporation principle |
| CN112832295A (en) * | 2021-02-27 | 2021-05-25 | 陈美英 | Self-cleaning well lid in sponge city |
| CN113957978A (en) * | 2021-10-28 | 2022-01-21 | 万粉卿 | Anti-blocking drainage system based on sponge city |
| CN116140592B (en) * | 2022-11-11 | 2023-10-27 | 浙江合达铝业有限公司 | Intelligent die for cylinder cover production |
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