CN113914437A

CN113914437A - Deodorant type well lid that municipal drainage pipe used

Info

Publication number: CN113914437A
Application number: CN202111279079.2A
Authority: CN
Inventors: 赵杭; 龚国飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-31
Filing date: 2021-10-31
Publication date: 2022-01-11

Abstract

The invention discloses a deodorant well lid for a municipal drainage pipeline, and relates to the technical field of drainage pipeline well lids; in order to meet the functions of drainage and deodorization; specifically include sealing sleeve, well lid main part and install in the inboard annular base of inspection shaft mouth, sealing sleeve embedded mounting is in annular base inside wall, and well lid main part embedded mounting is in the top of sealing sleeve inside wall, evenly distributed's first through-hole has been seted up to well lid main part top outer wall. According to the invention, by arranging the well lid main body, the movable disc and other structures, when accumulated water exists on the road surface, the accumulated water on the road surface can be guided into the inner side of the sealing sleeve by using the first through hole, the movable disc can gradually move downwards under the deformation of the elastic bag along with the gradual increase of the water body, and after the movable disc moves to a certain degree, the movable disc is separated from the sealing sleeve to be in contact with the sealing sleeve, so that the water body on the movable disc can be discharged into the well; after the water body is discharged into the well, the movable disc can still reset based on the resilience force of the elastic bag, and the well mouth is sealed again.

Description

Deodorant type well lid that municipal drainage pipe used

Technical Field

The invention relates to the technical field of drainage pipeline well covers, in particular to a deodorant well cover for a municipal drainage pipeline.

Background

There will be many underground pipelines in the urban construction, for example sewer, underground gas pipeline, water supply line, electric power pipeline, communication pipeline, national defense pipeline etc. these pipelines will have an export that leads to ground every one section, this section by pipeline to ground is called the inspection shaft, the inspection shaft mouth often needs the installation well lid, the wash port has been seted up on the part well lid, be used for the drainage rainwater, prevent the problem of surface gathered water, this kind of well lid can satisfy the user demand, but owing to set up the wash port, the drainage pipe smell in the well can distribute out through the wash port, certain influence has been caused to the environment.

Through retrieval, the patent with the Chinese patent application number of CN201920057808.1 discloses a drainage well cover, which comprises a cover body, wherein the middle part of the cover body is provided with a containing groove, and the lower end of the containing groove is provided with an annular bearing platform; a floating cover is arranged on the bearing platform, and the density of the floating cover is less than that of water; the inner layer of the floating cover is plastic foam, and the outer layer is cement; a plurality of first guide holes are formed in the upper part of the floating cover, and second guide holes are formed in the floating cover at the lower ends of the first guide holes; the drainage well lid also comprises a connecting mechanism for connecting the floating cover and the bearing table, the connecting mechanism comprises a guide rod, the lower end of the guide rod is connected with the bearing table, and the upper end of the guide rod is connected with a limiting cap. The adapting table is covered with a filter screen. The drainage well cover in the above patent has the following disadvantages: although the use requirement can be met, the drain hole is arranged, so that the odor of the drainage pipeline in the well can be emitted through the drain hole, and certain influence is caused on the environment.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a deodorization type well cover for a municipal drainage pipeline.

In order to achieve the purpose, the invention adopts the following technical scheme:

a deodorization type well lid for a municipal drainage pipeline comprises a sealing sleeve, a well lid main body and an annular base arranged on the inner side of an inspection well opening, wherein the sealing sleeve is arranged on the inner side wall of the annular base in an embedded mode; the outer wall of the bottom of the well lid main body is provided with more than two first connecting parts, the bottom of each first connecting part is provided with the same movable disc, the diameter of each movable disc is matched with the inner diameter of the sealing sleeve, and each movable disc is connected to the inner wall of the sealing sleeve in a sliding mode; the first connecting part comprises an elastic bag, a sliding block and a first connecting rod, and the outer wall of the top of the elastic bag is fixed on the inner wall of the top of the first connecting cylinder; the outer wall of the circumference of the elastic bag is provided with linearly distributed annular folds, the bottom of the elastic bag is provided with a ventilation micro-tube penetrating through the sliding block, the first connecting rod is fixed on the outer wall of the bottom of the sliding block, and the other end of the first connecting rod is fixed on the outer wall of the top of the movable disc; the inner wall of the bottom of the first connecting cylinder is provided with a first neck ring, the inner diameter of the first neck ring is smaller than the diameter of the sliding block, and the distance from the sliding block to the first neck ring is larger than the distance from the movable disc to the bottom of the sealing sleeve.

Preferably: a second connecting part is further arranged between the well lid main body and the movable disc and comprises a spring and a second connecting rod, a connecting block is arranged on the outer wall of the top of the second connecting rod, and the spring is fixed between the outer wall of the bottom of the well lid main body and the outer wall of the top of the connecting block; the bottom end of the second connecting rod is fixed on the outer wall of the top of the movable disc.

Further: the second connecting part further comprises a second connecting cylinder and a connecting column, the top end of the connecting column is fixed on the outer wall of the bottom of the well lid main body, a limiting convex head is arranged at the bottom end of the connecting column, the second connecting cylinder is sleeved on the outer wall of the connecting column, a second neck ring is arranged at the top of the second connecting cylinder and is slidably connected to the outer wall of the connecting column, and the inner diameter of the second neck ring is smaller than the diameter of the limiting convex head; the outer wall of the bottom of the second connecting cylinder is fixed with a first magnetic attraction block, the outer wall of the top of the connecting block is fixed with a second magnetic attraction block matched with the first magnetic attraction block, and the first magnetic attraction block and the second magnetic attraction block attract each other.

Further preferred is: lateral supports are arranged on the outer walls of two sides of the bottom end of the second connecting cylinder, an elastic rope is fixed between the lateral supports and the outer wall of the bottom of the well lid main body, and the distance from the second neck ring to the limiting raised head is smaller than the distance from the movable disc to the bottom of the sealing sleeve.

As a preferable aspect of the present invention: the movable disc is characterized in that a boss is arranged at the center of the top of the movable disc, the top surface of the boss is of a cambered surface structure with the middle protruding upwards, and the bottom of the sealing sleeve is provided with oblique guide grooves which are uniformly distributed.

Further preferred as the invention: well lid main part inside wall detachable installs central dish lid, and evenly distributed's second through-hole has been seted up to central dish lid top outer wall.

As a still further scheme of the invention: the utility model discloses a drainage hole, including sealed sleeve circumference outer wall, drainage hole inner wall, connector, sealed gum cover elastic deformation connects in the drainage hole inner wall, set up evenly distributed's drainage hole on the sealed sleeve circumference outer wall, drainage hole inner wall has the screw thread post through threaded connection, screw thread post one end is provided with the connector, and the connector outer wall is fixed with sealed gum cover, and sealed gum cover elastic deformation connects in drainage hole inner wall.

On the basis of the scheme: the outer wall of one side of the connector is provided with a cross slot.

On the basis of the foregoing scheme, it is preferable that: the outer wall of the circumference of the sealing sleeve is fixed with a mounting plate, and the mounting plate is connected to one end of the threaded column through a connecting rope.

It is further preferable on the basis of the foregoing scheme that: the outer wall of one end of the threaded column is provided with a rotating handle, the inner wall of the rotating handle is rotatably connected with a connecting ball, and the connecting rope is fixed on the outer wall of one side of the connecting ball.

The invention has the beneficial effects that:

1. according to the invention, through arranging the well lid main body, the movable disc and other structures, when no water body is poured into the inner side of the sealing sleeve, odor in the well can be prevented from being discharged by the movable disc, when the accumulated water exists on the road surface, the accumulated water on the road surface can be guided into the inner side of the sealing sleeve by the first through hole, the water body flows to the top of the movable disc, the current pressure is provided to the movable disc based on the gravity of the water body, the movable disc can gradually move downwards under the deformation of the elastic bag along with the gradual increase of the water body, and after the water body moves to a certain degree, the movable disc is separated from the sealing sleeve, at the moment, the sealing effect of the movable disc is relieved, and the water body on the movable disc can be discharged into the well; after the water body was discharged in the well, the activity dish still can reset based on the resilience force of elasticity bag, and the well head has been sealed once more, has promoted the practicality.

2. By arranging the first magnetic suction block, the second magnetic suction block and the elastic rope, when the movable disc moves downwards, after the second neck ring is contacted with the limiting raised head, the first magnetic suction block and the second magnetic suction block are supported by attraction force of the first magnetic suction block and the second magnetic suction block, along with continuous increase of the weight of water at the top of the movable disc, the first magnetic suction block is separated from the second magnetic suction block, the second connecting cylinder resets upwards under the resilience force of the elastic rope, the magnetic force disappears suddenly at the moment, the combination of acting force borne by the movable disc is earlier greater than the critical acting force required by the movable disc to separate from the sealing sleeve, the movable disc can move downwards more quickly to separate from the sealing sleeve, and the movable disc can continue to move downwards for a certain distance due to the larger acting force; is beneficial to discharging water into the well.

3. In addition, due to the arrangement of the ventilation microtubes, when the elastic bag deforms, the ventilation microtubes are used for exhausting or air intake to maintain the air pressure balance in the elastic bag, and the speed of the elastic bag is limited to a certain extent by the speed of air intake and exhaust due to the small size of the ventilation microtubes, so that the effect of delaying the deformation of the elastic bag is achieved; under the two conditions that the acting force that delay deformation and activity dish received is greater than the required critical acting force of activity dish break away from sealed sleeve, provided abundant drainage time for the activity dish for the water can be followed and completely arranged down on the activity dish, has avoided the activity dish top still to remain the water and the condition that the activity dish has reset appears, has promoted the reliability.

4. The boss is arranged, so that the inflowing water body can be guided, and the water body can be drained into the well from the top of the movable plate more efficiently; in addition, the movable disc is arranged, so that the movable disc can be limited by the first necking ring when the deodorant well lid is used for discharging flood; personnel or large objects can be effectively prevented from falling into the well, and the reliability is improved.

5. The drain hole can be sealed by arranging the threaded column and the sealing rubber sleeve, and the threaded column at the corresponding position can be detached according to actual conditions, so that drainage is performed by utilizing the drain hole; through the arrangement of the cross-shaped slot, the connector can be screwed on the inner side of the sealing sleeve, so that the purpose of disassembling the threaded column is achieved, and the practicability is improved; through setting up connection rope isotructure, can prevent that the screw thread post from dropping and losing, promoted the practicality.

Drawings

FIG. 1 is a schematic structural view of a deodorant well lid for municipal drainage pipelines according to the present invention;

FIG. 2 is a schematic view of another angle of the odor-resistant manhole cover for municipal drainage pipelines according to the present invention;

FIG. 3 is a schematic sectional view of a deodorant well lid for municipal drainage pipelines according to the present invention;

FIG. 4 is a schematic sectional view of a first connection portion of a deodorization type well lid for a municipal drainage pipeline according to the present invention;

FIG. 5 is a schematic structural view of a second connection section of the odor-resistant well lid for the municipal drainage pipeline according to the present invention;

FIG. 6 is a schematic sectional view of a deodorant manhole cover drain hole and a threaded column for a municipal drainage pipeline according to the present invention.

In the figure: 1 annular base, 2 sealing sleeve, 3 second through holes, 4 central disk covers, 5 first through holes, 6 well cover main bodies, 7 connecting ropes, 8 mounting plates, 9 movable disks, 10 oblique diversion grooves, 11 first connecting parts, 12 second connecting parts, 13 bosses, 14 first connecting cylinders, 15 elastic bags, 16 sliding blocks, 17 ventilation micro-tubes, 18 first neck-reducing rings, 19 first connecting rods, 20 second connecting cylinders, 21 second neck-reducing rings, 22 springs, 23 elastic ropes, 24 connecting columns, 25 first magnetic suction blocks, 26 second magnetic suction blocks, 27 second connecting rods, 28 side supports, 29 connecting blocks, 30 limiting raised heads, 31 rotating handles, 32 connecting balls, 33 threaded columns, 34 cross-shaped inserting grooves, 35 connectors, 36 sealing rubber sleeves and 37 drainage holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a deodorization type well lid for municipal drainage pipelines is shown in figures 1-6 and comprises a sealing sleeve 2, a well lid main body 6 and an annular base 1 arranged on the inner side of an inspection well mouth, wherein the sealing sleeve 2 is installed on the inner side wall of the annular base 1 in an embedded mode, the well lid main body 6 is installed on the top of the inner side wall of the sealing sleeve 2 in an embedded mode, and first through holes 5 are uniformly distributed in the outer wall of the top of the well lid main body 6; the outer wall of the bottom of the well lid main body 6 is provided with more than two first connecting parts 11, the bottom of each first connecting part 11 is provided with the same movable disc 9, the diameter of each movable disc 9 is matched with the inner diameter of the sealing sleeve 2, and each movable disc 9 is connected to the inner wall of the sealing sleeve 2 in a sliding mode; the first connecting part 11 comprises an elastic bag 15, a sliding block 16 and a first connecting rod 19, and the outer wall of the top of the elastic bag 15 is fixed on the inner wall of the top of the first connecting cylinder 14; the outer wall of the circumference of the elastic bag 15 is provided with linearly distributed annular creases, the bottom of the elastic bag 15 is integrally provided with an air micro-tube 17 penetrating through a sliding block 16, a first connecting rod 19 is fixed on the outer wall of the bottom of the sliding block 16, and the other end of the first connecting rod 19 is fixed on the outer wall of the top of the movable disc 9; a first neck-reducing ring 18 is integrally arranged on the inner wall of the bottom of the first connecting cylinder 14, the inner diameter of the first neck-reducing ring 18 is smaller than the diameter of the slide block 16, and the distance from the slide block 16 to the first neck-reducing ring 18 is greater than the distance from the movable disc 9 to the bottom of the sealing sleeve 2; through the arrangement of the well lid main body 6, the movable disc 9 and other structures, when no water body is poured into the inner side of the sealing sleeve 2, the movable disc 9 can be used for preventing odor in the well from being discharged, when accumulated water exists on the road surface, the accumulated water on the road surface can be guided into the inner side of the sealing sleeve 2 through the first through hole 5, the water body flows to the top of the movable disc 9, the movable disc 9 is subjected to the existing pressure based on the gravity of the water body, the movable disc 9 can gradually move downwards under the deformation of the elastic bag 15 along with the gradual increase of the water body, and after the water body moves to a certain degree, the movable disc 9 is separated from the sealing sleeve 2 to be in contact with the sealing sleeve 2, at the moment, the sealing effect of the movable disc 9 is relieved, and the water body on the movable disc 9 can be discharged into the well; after the water body is discharged into the well, the movable plate 9 can still reset based on the resilience force of the elastic bag 15, the well mouth is sealed again, and the practicability is improved.

In order to improve the stability of the movable plate 9; as shown in fig. 3 and 5, a second connecting portion 12 is further disposed between the well lid main body 6 and the movable plate 9, the second connecting portion 12 includes a spring 22 and a second connecting rod 27, a connecting block 29 is integrally disposed on an outer wall of a top portion of the second connecting rod 27, and the spring 22 is fixed between an outer wall of a bottom portion of the well lid main body 6 and an outer wall of a top portion of the connecting block 29; the bottom end of the second connecting rod 27 is fixed on the outer wall of the top of the movable plate 9; through setting up spring 22, second connecting rod 27 isotructure, can promote the support effect to well lid main part 6, stability when guarantee well lid main part 6 goes up and down.

In order to improve the drainage effect; as shown in fig. 5, the second connecting portion 12 further includes a second connecting cylinder 20 and a connecting column 24, the top end of the connecting column 24 is fixed on the outer wall of the bottom of the well lid main body 6, a limiting raised head 30 is integrally arranged at the bottom end of the connecting column 24, the second connecting cylinder 20 is sleeved on the outer wall of the connecting column 24, a second neck ring 21 is integrally arranged at the top of the second connecting cylinder 20, the second neck ring 21 is slidably connected to the outer wall of the connecting column 24, and the inner diameter of the second neck ring 21 is smaller than the diameter of the limiting raised head 30; the outer wall of the bottom of the second connecting cylinder 20 is fixed with a first magnetic attraction block 25, the outer wall of the top of the connecting block 29 is fixed with a second magnetic attraction block 26 matched with the first magnetic attraction block 25, and the first magnetic attraction block 25 and the second magnetic attraction block 26 attract each other.

In order to improve reliability; as shown in fig. 5, side brackets 28 are integrally arranged on the outer walls of the two sides of the bottom end of the second connecting cylinder 20, an elastic rope 23 is fixed between each side bracket 28 and the outer wall of the bottom of the well lid main body 6, and the distance from the second neck ring 21 to the limiting raised head 30 is smaller than the distance from the movable disc 9 to the bottom of the sealing sleeve 2; by arranging the first magnetic suction block 25, the second magnetic suction block 26 and the elastic rope 23, when the movable disc 9 moves downwards, after the second neck ring shrinkage ring 21 is contacted with the limiting raised head 30, the first magnetic suction block 25 and the second magnetic suction block 26 are supported by the attraction force of the first magnetic suction block 25 and the second magnetic suction block 26, the first magnetic suction block 25 is separated from the second magnetic suction block 26 along with the continuous increase of the weight of the water body at the top of the movable disc 9, the second connecting cylinder 20 is reset upwards under the resilience force of the elastic rope 23, the magnetic force disappears suddenly at the moment, the acting force applied to the movable disc 9 is already greater than the critical acting force required by the movable disc 9 to be separated from the sealing sleeve 2, the movable disc 9 can move downwards more quickly to be separated from the sealing sleeve 2, and the acting force is larger, so that the movable disc 9 can continue to move downwards for a certain distance; in addition, due to the arrangement of the ventilation microtubes 17, when the elastic bag 15 deforms, the ventilation microtubes 17 are used for exhausting or air intake to maintain the air pressure balance inside the elastic bag 15, and due to the fact that the size of the ventilation microtubes 17 is small, the speed of the ventilation microtubes 17 limits the speed of the elastic bag 15 to a certain degree, and therefore the effect of delaying the deformation of the elastic bag 15 is achieved; under two conditions that the acting force that delay deformation and activity dish 9 received is greater than the required critical acting force that activity dish 9 breaks away from sealed sleeve 2, provided abundant drainage time for activity dish 9 for the water can be followed and completely arranged down on activity dish 9, has avoided activity dish 9 top still to remain the water and the condition that activity dish 9 has reset appears, has promoted the reliability.

In order to improve the drainage effect; as shown in fig. 3, a boss 13 is integrally arranged at the center of the top of the movable disc 9, the top surface of the boss 13 is of an arc-shaped structure with an upward-bulging middle, and the bottom of the sealing sleeve 2 is provided with oblique diversion trenches 10 which are uniformly distributed; through setting up boss 13, can lead to the water that flows in to do benefit to the water and discharge into the well from activity dish 9 top more efficient.

To facilitate maintenance; as shown in fig. 1 and 3, a central plate cover 4 is detachably mounted on the inner side wall of the well cover main body 6, and second through holes 3 which are uniformly distributed are formed in the outer wall of the top of the central plate cover 4; in addition, the movable disc 9 is arranged, so that the movable disc 9 can be limited by the first neck ring 18 when the deodorant well lid is used for discharging flood; personnel or large objects can be effectively prevented from falling into the well, and the reliability is improved.

In the use process of the movable disc type water drainage device, when no water body is poured into the inner side of the sealing sleeve 2, odor in a well can be prevented from being discharged by the movable disc 9, when accumulated water exists on the road surface, the accumulated water on the road surface can be guided into the inner side of the sealing sleeve 2 by the first through hole 5, the water body flows to the top of the movable disc 9, the pressure is given to the movable disc 9 at present based on the gravity of the water body, the movable disc 9 can gradually move downwards under the deformation of the elastic bag 15 along with the gradual increase of the water body, the movable disc 9 is separated from the contact with the sealing sleeve 2 after the water body moves to a certain degree, at the moment, the sealing effect of the movable disc 9 is relieved, and the water body on the movable disc 9 can be drained into the well; after the water body is discharged into the well, the movable disc 9 can still reset based on the resilience force of the elastic bag 15, and the well mouth is sealed again; it should be noted that, in the process of downward movement of the movable disc 9, after the second neck ring 21 contacts the limit raised head 30, the second neck ring is supported by the attraction force of the first magnetic block 25 and the second magnetic block 26, and as the weight of the water body at the top of the movable disc 9 continuously increases, the first magnetic block 25 is separated from the second magnetic block 26, the second connecting cylinder 20 is reset upward under the resilience force of the elastic rope 23, at this time, the magnetic force disappears suddenly, the acting force applied to the movable disc 9 is already greater than the critical acting force required by the movable disc 9 to separate from the sealing sleeve 2, and the movable disc 9 can move downward more quickly to separate from the sealing sleeve 2, and because the acting force is greater, the movable disc 9 can continue to move downward for a certain distance; in addition, due to the arrangement of the ventilation microtubes 17, when the elastic bag 15 deforms, the ventilation microtubes 17 are used for exhausting or air intake to maintain the air pressure balance inside the elastic bag 15, and due to the fact that the size of the ventilation microtubes 17 is small, the speed of the ventilation microtubes 17 limits the speed of the elastic bag 15 to a certain degree, and therefore the effect of delaying the deformation of the elastic bag 15 is achieved; under two conditions that the acting force that delay deformation and activity dish 9 received is greater than the required critical acting force that activity dish 9 breaks away from sealed sleeve 2, provided abundant drainage time for activity dish 9 for the water can be followed and completely arranged down on activity dish 9, has avoided activity dish 9 top still to remain the water and the condition that activity dish 9 has reset appears, has promoted the reliability.

Example 2:

a deodorization type well cover for municipal drainage pipelines is shown in figure 6, and aims to adjust the drainage effect according to actual conditions; the present embodiment is modified from embodiment 1 as follows: the outer wall of the circumference of the sealing sleeve 2 is provided with uniformly distributed drainage holes 37, the inner wall of each drainage hole 37 is connected with a threaded column 33 through threads, one end of each threaded column 33 is integrally provided with a connector 35, the outer wall of each connector 35 is bonded with a sealing rubber sleeve 36, and each sealing rubber sleeve 36 is connected to the inner wall of each drainage hole 37 in an elastic deformation mode; through setting up threaded column 33 and sealed gum cover 36, can seal drain hole 37 to can demolish the threaded column 33 that corresponds the position according to actual conditions, thereby utilize drain hole 37 to carry out the drainage, because drain hole 37 distributes along vertical direction, required atress size's critical value when consequently having changed the drainage of activity dish 9 has promoted the flexibility of use.

In order to improve the convenience of adjustment; as shown in fig. 6, a cross slot 34 is formed in an outer wall of one side of the connector 35; through setting up cross slot 34, can twist the connector 35 in sealed sleeve 2 is inboard, reaches the purpose of dismantling screw thread post 33, has promoted the practicality.

To prevent the threaded post 33 from falling out and being lost; as shown in fig. 6, a mounting plate 8 is fixed on the circumferential outer wall of the sealing sleeve 2, and the mounting plate 8 is connected to one end of a threaded column 33 through a connecting rope 7; through setting up connection rope 7 isotructure, can prevent that threaded post 33 from dropping and losing, promoted the practicality.

In order to improve the practicability; as shown in fig. 6, a rotating handle 31 is integrally arranged on the outer wall of one end of the threaded column 33, a connecting ball 32 is rotatably connected to the inner wall of the rotating handle 31, and the connecting rope 7 is fixed on the outer wall of one side of the connecting ball 32; through setting up structures such as turning handle 31, connecting ball 32, can be more convenient when twisting screw thread post 33, reach laborsaving effect, promoted the practicality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A deodorization type well lid for a municipal drainage pipeline comprises a sealing sleeve (2), a well lid main body (6) and an annular base (1) arranged on the inner side of an inspection well opening, and is characterized in that the sealing sleeve (2) is embedded in the inner side wall of the annular base (1), the well lid main body (6) is embedded in the top of the inner side wall of the sealing sleeve (2), and first through holes (5) are uniformly distributed in the outer wall of the top of the well lid main body (6); the outer wall of the bottom of the well lid main body (6) is provided with more than two first connecting parts (11), the bottom of each first connecting part (11) is provided with the same movable disc (9), the diameter of each movable disc (9) is matched with the inner diameter of the sealing sleeve (2), and each movable disc (9) is connected to the inner wall of the sealing sleeve (2) in a sliding mode; the first connecting part (11) comprises an elastic bag (15), a sliding block (16) and a first connecting rod (19), and the outer wall of the top of the elastic bag (15) is fixed on the inner wall of the top of the first connecting cylinder (14); the outer wall of the circumference of the elastic bag (15) is provided with linearly distributed annular creases, the bottom of the elastic bag (15) is provided with a ventilation micro-tube (17) penetrating through the sliding block (16), the first connecting rod (19) is fixed on the outer wall of the bottom of the sliding block (16), and the other end of the first connecting rod (19) is fixed on the outer wall of the top of the movable disc (9); the inner wall of the bottom of the first connecting cylinder (14) is provided with a first neck ring (18), the inner diameter of the first neck ring (18) is smaller than the diameter of the sliding block (16), and the distance from the sliding block (16) to the first neck ring (18) is larger than the distance from the movable disc (9) to the bottom of the sealing sleeve (2).

2. The odor-resistant well lid for the municipal drainage pipeline according to claim 1, wherein a second connecting part (12) is further arranged between the well lid main body (6) and the movable plate (9), the second connecting part (12) comprises a spring (22) and a second connecting rod (27), a connecting block (29) is arranged on the outer wall of the top of the second connecting rod (27), and the spring (22) is fixed between the outer wall of the bottom of the well lid main body (6) and the outer wall of the top of the connecting block (29); the bottom end of the second connecting rod (27) is fixed on the outer wall of the top of the movable disc (9).

3. The odor-resistant well lid for the municipal drainage pipeline is characterized in that the second connecting part (12) further comprises a second connecting cylinder (20) and a connecting column (24), the top end of the connecting column (24) is fixed on the outer wall of the bottom of the well lid body (6), a limiting raised head (30) is arranged at the bottom end of the connecting column (24), the second connecting cylinder (20) is sleeved on the outer wall of the connecting column (24), a second neck ring (21) is arranged at the top of the second connecting cylinder (20), the second neck ring (21) is slidably connected to the outer wall of the connecting column (24), and the inner diameter of the second neck ring (21) is smaller than the diameter of the limiting raised head (30); the magnetic attraction type magnetic connecting device is characterized in that a first magnetic attraction block (25) is fixed on the outer wall of the bottom of the second connecting cylinder (20), a second magnetic attraction block (26) matched with the first magnetic attraction block (25) is fixed on the outer wall of the top of the connecting block (29), and the first magnetic attraction block (25) and the second magnetic attraction block (26) attract each other.

4. The odor-resistant well lid for the municipal drainage pipeline according to claim 3, wherein side brackets (28) are arranged on the outer walls of two sides of the bottom end of the second connecting cylinder (20), an elastic rope (23) is fixed between each side bracket (28) and the outer wall of the bottom of the well lid main body (6), and the distance from the second neck ring (21) to the limiting raised head (30) is smaller than the distance from the movable disc (9) to the bottom of the sealing sleeve (2).

5. The odor-resistant well lid for the municipal drainage pipeline according to claim 4, wherein a boss (13) is arranged at the center of the top of the movable plate (9), the top surface of the boss (13) is of an arc structure with an upward-bulging middle part, and the bottom of the sealing sleeve (2) is provided with oblique guide grooves (10) which are uniformly distributed.

6. The odor-resistant well lid for the municipal drainage pipeline according to claim 5, wherein the inner side wall of the well lid body (6) is detachably provided with a central disc cover (4), and the outer wall of the top of the central disc cover (4) is provided with second through holes (3) which are uniformly distributed.

7. The odor-resistant well lid for the municipal drainage pipeline according to any one of claims 1 to 6, wherein the outer circumferential wall of the sealing sleeve (2) is provided with uniformly distributed drainage holes (37), the inner wall of each drainage hole (37) is connected with a threaded column (33) through threads, one end of each threaded column (33) is provided with a connector (35), the outer wall of each connector (35) is fixed with a sealing rubber sleeve (36), and each sealing rubber sleeve (36) is elastically connected to the inner wall of each drainage hole (37) in a deformation mode.

8. The odor-resistant well lid for the municipal drainage pipeline according to claim 7, wherein the outer wall of one side of the connector (35) is provided with a cross-shaped slot (34).

9. The odor-resistant well lid for the municipal drainage pipeline according to claim 8, wherein a mounting plate (8) is fixed to the circumferential outer wall of the sealing sleeve (2), and the mounting plate (8) is connected to one end of the threaded column (33) through a connecting rope (7).

10. The odor-resistant well lid for the municipal drainage pipeline according to claim 9, wherein the outer wall of one end of the threaded column (33) is provided with a rotating handle (31), the inner wall of the rotating handle (31) is rotatably connected with a connecting ball (32), and the connecting rope (7) is fixed on the outer wall of one side of the connecting ball (32).