CN111321763B

CN111321763B - Municipal works drainage well lid

Info

Publication number: CN111321763B
Application number: CN202010172643.XA
Authority: CN
Inventors: 顾春荣; 黄达智; 沈昂儿
Original assignee: Nanjing Lucky Village Science and Technology Innovation Industrial Park Management Co Ltd
Current assignee: Nanjing Lucky Village Science and Technology Innovation Industrial Park Management Co Ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-06-01
Anticipated expiration: 2040-03-12
Also published as: CN111321763A

Abstract

The invention discloses a municipal engineering drainage well lid which comprises a well lid seat, an upper lid arranged on the well lid seat, a plurality of cover opening devices which are distributed on the upper lid in an annular mode at equal intervals and are convenient for the upper lid to be opened from the well lid seat, a plurality of power assisting devices respectively used for assisting the plurality of cover opening devices, a pull rod device used for driving the cover opening devices to operate simultaneously, and a siphon device arranged on the upper lid and used for accelerating rainwater drainage. The invention is convenient for opening the well cover and can accelerate the drainage of rainwater.

Description

Municipal works drainage well lid

Technical Field

The invention relates to the field of municipal engineering, in particular to a drainage well cover for municipal engineering.

Background

In extreme weather of heavy rainfall, because the drainage well cover on the municipal street is unreasonable in design and the rainwater drainage speed is too slow, water accumulation is caused, a plurality of automobiles are submerged, great damage is brought to people, workers often open the well cover manually to drain water, safety accidents can be caused, and if the well cover is not reformed, the problem of water accumulation on the road surface of heavy rain cannot be solved; sometimes still need the manual work to open the well lid to sewer maintenance operation, the manual work is opened the in-process and needs many people just can open the well lid hard simultaneously, still can increase the degree of difficulty of opening because the well lid rusts, and this problem also is the problem that the urgent need was solved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the municipal engineering drainage well cover which is convenient to open and can accelerate the drainage of rainwater.

In order to achieve the purpose, the invention adopts the following technical scheme: a municipal works drainage well lid, including the well lid seat, locate the upper cover on the well lid seat, equidistance annular distribution locate upper cover convenient to upper cover open from well lid seat multiple uncap device, multiple booster unit used for assisting multiple uncap device respectively, use for drive uncap device operational draw bar device at the same time, locate upper cover and use for quickening the siphon device of rainwater drainage, the said uncap device includes locating the first hole cavity on the upper cover, can move locate first knockout pin in the first hole cavity, one end rotates the telescopic link located on first knockout pin, the sleeve pipe that is located on the telescopic link, one end rotates and locates on sleeve pipe and another end fixes the first support on the upper cover, another end of the said telescopic link rotates and locates on draw bar device; when a sewer is maintained, the well cover is opened, the pull rod device is pulled upwards, meanwhile, the cover opening devices are driven to operate, the telescopic rod is driven to rotate at the joint of the first support, one end of the telescopic rod can be rotatably arranged on the first ejector rod, the first ejector rod is positioned in the first hole cavity, so that the first ejector rod is driven to move downwards in the first hole cavity, the first ejector rod extends out of the first hole cavity and props against the inner edge of the well cover seat, the cover opening devices are distributed on the upper cover in an annular mode at equal intervals, the first ejector rods on the cover opening devices evenly prop up the inner edge of the well cover seat, the opening work of the upper cover is completed, and the opening work of the upper cover is better completed through the power assisting; the upper cover does not need to be opened in strong rain, and the siphon device is started to accelerate the drainage of rainwater. According to the invention, the pull rod device is pulled upwards to enable the cover opening devices which are distributed equidistantly to operate simultaneously, so that the telescopic rod rotates at the joint of the first support, one end of the telescopic rod can be rotatably arranged on the first ejector rod, the first ejector rod rotates along with the first ejector rod, the first ejector rod is positioned in the first hole cavity, the first ejector rod moves downwards in the first hole cavity, the first ejector rod extends out of the first hole cavity and abuts against the inner edge of the well cover seat, the first ejector rod can eject the upper cover, the force application direction of the pull rod device and the first ejector rod for ejecting the upper cover is consistent, the upper cover is opened more easily, and the cover opening devices which are distributed equidistantly and annularly are used for ejecting the upper cover to be stressed more uniformly, so that the upper cover is separated from the well cover seat more easily; the distance from the first ejector rod to the first support is far smaller than the distance from the first support to the pull rod device, so that a labor-saving effect is achieved in the process of opening the upper cover, and the upper cover is easy to open; the arrangement of the siphon device greatly improves the drainage function of the upper cover and avoids the accumulation of rainwater; the distance between first ejector pin to the pull rod device is fixed, and the telescopic link rotates the in-process self simultaneously and can stretch out and draw back automatically, and through the sleeve pipe box on the telescopic link, the telescopic link that makes flexible in-process can remove in the sleeve pipe, and the rethread sleeve pipe rotates to locate on the first support, finally makes the telescopic link use first support as the axle center rotation.

The power assisting device comprises a second hole cavity arranged in the upper cover, a first hollow pipe fixedly arranged at the upper end of the first ejector rod and inserted into the second hole cavity, a first air hole and a second air hole which are arranged on the first hollow pipe and used for communicating the first hole cavity with the second hole cavity, a second hollow pipe inserted into the second hole cavity, a first inserted link movably arranged in the second hollow pipe, a first plate and a second plate rotatably arranged at the lower end of the first inserted link, and four rollers, one end of each roller is rotatably arranged on the first plate, the other end of each roller is rotatably arranged on the second plate, and the four rollers roll on the upper surface and the lower surface of the telescopic link; in the rotation process of the telescopic rod, the first inserting rod is pushed to move upwards in the second hollow tube, the first hollow tube is inserted into the second hole cavity, and the first hollow tube is provided with a first air hole and a second air hole, so that air in the second hole cavity is extruded to enter the first hollow tube through the first air hole and then enter the first hole cavity through the second air hole, the first ejector rod is pushed to move downwards, and the force for assisting the first ejector rod to move downwards is exerted; the four rollers are arranged to enable the telescopic rod to rotate, abrasion and adaptability between the telescopic rod and the telescopic rod can be reduced in the telescopic process, and the first inserted rod which is rotatably arranged on the first plate and the second plate can always move up and down in the second hollow pipe; the well lid middle zone receives first hollow tube can withstand the interior upper arm of second vestibule after doing all can, makes first ejector pin fixed, and the telescopic link is motionless promptly, finally makes the pull rod device fixed motionless, has played certain supporting role to the upper cover is whole, and the device of uncapping promptly is equivalent to the strengthening rib effect, plays better guard action to the upper cover.

The pull rod device comprises a rod body, a sleeve seat sleeved at the lower end of the rod body, a disk body fixedly arranged at the upper end of the rod body, two T-shaped blocks oppositely arranged at the lower end of the disk body, two grooves oppositely arranged at the upper end of the disk body, a through hole arranged on the disk body between the two grooves, a circular groove arranged on the upper cover, a T-shaped ring groove arranged in the circular groove, and two grooves oppositely arranged on the T-shaped ring groove, wherein the disk body is positioned in the circular groove on the upper cover and the two T-shaped blocks on the disk body are positioned in the T-shaped ring groove, and the other end of the telescopic rod; two T-shaped blocks on the rotary table are firstly positioned right above two grooves on the T-shaped ring groove, the rotary table integrally moves downwards to enable the two T-shaped blocks to be positioned in the two grooves and enable the rotary table to be positioned in the circular groove, a spanner is inserted into the two grooves and rotates the rotary table to enable the T-shaped blocks to move to the T-shaped ring groove, the rotary table is fixed up and down, and the cover opening device and the pull rod device can achieve a reinforcing rib effect on the upper cover after the upper cover is stressed; need open the upper cover, earlier two T type pieces displacement to two fluting departments on the carousel, the reuse stay cord passes the through-hole, and the pulling stay cord makes the carousel and fixed locate the body of rod and the cover seat that rotates and wholly rise, the telescopic link rotates to locate on the cover seat, makes the telescopic link rotate to the start-up of device of uncapping is driven, the cover seat cover is located on the body of rod, thereby the carousel rotates and drives the body of rod and can rotate in-process cover seat and then not rotate.

The siphon device comprises a water inlet and an air outlet which are arranged on an upper cover, a drainage box arranged at the lower end of the water inlet, a conical block arranged in the drainage box, a first driving assembly used for driving the conical block to move up and down, a plurality of water outlets which are distributed on the side wall of the drainage box in an equidistant annular manner, a leakage-proof assembly arranged in the air outlet, and a second driving assembly which is used for being communicated with the leakage-proof assembly and exhausting in a single direction; the first driving assembly drives the conical block to move up and down to open the water outlets discontinuously, the conical block is driven by the gravity of the water in the conical block and the water drainage box and the first driving assembly to move downwards quickly, so that the space in the water drainage box is increased to generate a certain negative pressure, a certain suction force is generated on the water inlet to enable rainwater at the water inlet to enter the water drainage box quickly, the conical block moves downwards to the position below the water outlets to enable the water in the water drainage box to be drained into a sewer through the water outlets, the water drainage work can be accelerated by the arrangement of the conical block, and meanwhile sundries in the water can be prevented from being accumulated in the water drainage box; the air in the drainage box is sucked away and exhausted from the leakage-proof assembly through the second driving assembly, certain impact can be generated on rainwater on the surface of the upper cover in the process that the air is exhausted from the leakage-proof assembly, a certain warning effect can be achieved on the well cover, rainwater is prevented from entering and flowing backwards through the arrangement of the leakage-proof assembly, negative pressure is generated in the drainage box through the sucked air, even if suction is generated at the water inlet, the rainwater passing at the water inlet is accelerated again, and the second driving assembly always generates suction in the drainage box in the process that the conical block moves up and down; rainwater is from a plurality of delivery port discharge ports on the drain box, makes holistic weight reduction, makes first drive assembly more conveniently drive the toper piece and rise.

The first driving assembly comprises a third hole cavity positioned below the middle of the conical block, a step rod fixedly arranged at the center of the conical block and positioned in the third hole cavity, a fourth hole cavity arranged on the side wall of the drainage box, a connecting pipe used for communicating the third hole cavity with the fourth hole cavity, a moving rod arranged in the fourth hole cavity, a sliding groove used for communicating the fourth hole cavity with the outside, a fixed rod fixedly arranged on the moving rod and positioned in the sliding groove, and a push rod motor used for driving the fixed rod to move up and down; the push rod motor drive dead lever reciprocates in the spout, makes the carriage release lever in the fourth pore chamber reciprocate, the connecting pipe links to each other third pore chamber and fourth pore chamber to inject air into and breathe in the third pore chamber, make the step pole of third pore chamber reciprocate, can play limiting displacement to the step pole removal in-process through third pore chamber and step pole, the step pole is fixed on the toper piece, thereby drives the toper piece and reciprocates and spacing distance that reciprocates.

The second driving assembly comprises a third hollow pipe arranged at the upper end of the drainage box, a cavity arranged at one end of the third hollow pipe, a fourth hollow pipe arranged on the cavity, a piston arranged in the cavity, an electronic telescopic rod used for driving the piston to reciprocate, a first one-way valve arranged on the piston, a second one-way valve arranged at the communication position of the third hollow pipe and the cavity, and a plurality of third air holes which are distributed on the fourth hollow pipe in an equidistant annular mode and are obliquely and downwards arranged; through the piston reciprocating motion in the driving intracavity of electron telescopic link, make the air in the third hollow tube get into the die cavity from the second check valve, make the air that gets into in the fourth hollow tube by the first check valve that is equipped with on the piston again, make the air in the third hollow tube can only one-wayly pour into the die cavity into through the second check valve, make the air in the die cavity can only one-wayly pour into in the fourth hollow tube into and discharge from a plurality of third gas pockets on the fourth hollow tube through first check valve, third hollow tube intercommunication drainage box to the completion is to the exhaust work in the drainage box, the position through the third hollow tube sets up and makes the water in the drainage box can not get into the third hollow tube in, only to the drainage box exhaust work.

The leakage-proof assembly comprises a sealing block, a U-shaped cavity and a plurality of fourth air holes, wherein the sealing block is sleeved at one end of the fourth hollow pipe and is positioned in the air outlet, the U-shaped cavity is arranged on the sealing block in an arc shape, the plurality of fourth air holes are formed in the sealing block and correspond to the plurality of third air holes in the fourth hollow pipe, the fourth hollow pipe is communicated with the U-shaped cavity through the third air holes and the fourth air holes, and one end of the U-shaped cavity is communicated with the outside; make the interior exhaust air of fourth hollow tube can get into the U die cavity and discharge through the U die cavity through a plurality of fourth gas holes, can avoid tiny build thing to pile up through the setting of U die cavity, can be through exhausting the effectual discharge U die cavity of tiny debris, and can avoid in the entering fourth gas hole of rainwater, rethread fourth gas hole slope sets up and avoids the rainwater to get into and plays fine leak protection effect in the fourth gas hole once more, can make the interior gas outgoing of fourth hollow tube simultaneously.

The invention has the following advantages: the pulling rod device is pulled upwards to enable the cover opening devices distributed at equal intervals to operate simultaneously, so that the telescopic rod rotates at the joint of the first support, one end of the telescopic rod can be rotatably arranged on the first ejector rod, the first ejector rod rotates along with the first ejector rod, the first ejector rod is located in the first hole cavity, the first ejector rod moves downwards in the first hole cavity, the first ejector rod extends out of the first hole cavity and abuts against the inner edge of the well cover seat, the first ejector rod can eject the upper cover, the force application direction of the pull rod device and the first ejector rod for ejecting the upper cover is consistent, the upper cover is opened more easily, and the cover opening devices distributed at equal intervals and annularly are used for ejecting the upper cover more uniformly, so that the upper cover is separated from the well cover seat more easily; the distance from the first ejector rod to the first support is far smaller than the distance from the first support to the pull rod device, so that a labor-saving effect is achieved in the process of opening the upper cover, and the upper cover is easy to open; the arrangement of the siphon device greatly improves the drainage function of the upper cover and avoids the accumulation of rainwater.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at B.

Fig. 5 is an enlarged view of fig. 2 at C.

Fig. 6 is a schematic sectional view of the upper cover portion.

Fig. 7 is a schematic front view of the lid opening device.

Fig. 8 is a cross-sectional view of a siphon device.

Fig. 9 is an enlarged view of fig. 8 at D.

Fig. 10 is a sectional view schematically showing the structure of the drain tank.

Fig. 11 is a first schematic sectional view of the mold cavity.

Fig. 12 is a second sectional view of the cavity.

Fig. 13 is an enlarged view of fig. 12 at E.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-13, a municipal engineering drainage well lid comprises a well lid base 1, an upper lid 2 arranged on the well lid base, a plurality of cover opening devices 3 which are equidistantly and annularly arranged on the upper lid and facilitate the opening of the upper lid from the well lid base, a plurality of power assisting devices 4 respectively used for assisting the plurality of cover opening devices, a pull rod device 5 used for driving the cover opening devices to operate simultaneously, and a siphon device 6 arranged on the upper lid and used for accelerating rainwater drainage, wherein the cover opening device 3 comprises a first hole cavity 31 arranged on the upper lid, a first ejector rod 32 movably arranged in the first hole cavity, a telescopic rod 33 with one end rotatably arranged on the first ejector rod, a sleeve 34 sleeved on the telescopic rod, and a first support 35 with one end rotatably arranged on the sleeve and the other end fixed on the upper lid, and the other end of the telescopic rod rotatably arranged on the pull rod device; when a sewer is maintained, the well cover is opened, the pull rod device is pulled upwards, meanwhile, the cover opening devices are driven to operate, the telescopic rod is driven to rotate at the joint of the first support, one end of the telescopic rod can be rotatably arranged on the first ejector rod, the first ejector rod is positioned in the first hole cavity, so that the first ejector rod is driven to move downwards in the first hole cavity, the first ejector rod extends out of the first hole cavity and props against the inner edge of the well cover seat, the cover opening devices are distributed on the upper cover in an annular mode at equal intervals, the first ejector rods on the cover opening devices evenly prop up the inner edge of the well cover seat, the opening work of the upper cover is completed, and the opening work of the upper cover is better completed through the power assisting; the upper cover does not need to be opened in strong rain, and the siphon device is started to accelerate the drainage of rainwater. According to the invention, the pull rod device is pulled upwards to enable the cover opening devices which are distributed equidistantly to operate simultaneously, so that the telescopic rod rotates at the joint of the first support, one end of the telescopic rod can be rotatably arranged on the first ejector rod, the first ejector rod rotates along with the first ejector rod, the first ejector rod is positioned in the first hole cavity, the first ejector rod moves downwards in the first hole cavity, the first ejector rod extends out of the first hole cavity and abuts against the inner edge of the well cover seat, the first ejector rod can eject the upper cover, the force application direction of the pull rod device and the first ejector rod for ejecting the upper cover is consistent, the upper cover is opened more easily, and the cover opening devices which are distributed equidistantly and annularly are used for ejecting the upper cover to be stressed more uniformly, so that the upper cover is separated from the well cover seat more easily; the distance from the first ejector rod to the first support is far smaller than the distance from the first support to the pull rod device, so that a labor-saving effect is achieved in the process of opening the upper cover, and the upper cover is easy to open; the arrangement of the siphon device greatly improves the drainage function of the upper cover and avoids the accumulation of rainwater; the distance between first ejector pin to the pull rod device is fixed, and the telescopic link rotates the in-process self simultaneously and can stretch out and draw back automatically, and through the sleeve pipe box on the telescopic link, the telescopic link that makes flexible in-process can remove in the sleeve pipe, and the rethread sleeve pipe rotates to locate on the first support, finally makes the telescopic link use first support as the axle center rotation.

The power assisting device 4 comprises a second hole cavity 41 arranged in the upper cover, a first hollow tube 42 fixedly arranged at the upper end of the first ejector rod and inserted into the second hole cavity, a first air hole 43 and a second air hole 44 which are arranged on the first hollow tube and used for communicating the first hole cavity with the second hole cavity, a second hollow tube 45 inserted into the second hole cavity, a first inserted rod 46 movably arranged in the second hollow tube, a first plate 47 and a second plate 48 rotatably arranged at the lower end of the first inserted rod, and four rollers 49 with one ends rotatably arranged on the first plate and the other ends rotatably arranged on the second plate, wherein the four rollers roll on the upper surface and the lower surface of the telescopic rod; in the rotation process of the telescopic rod, the first inserting rod is pushed to move upwards in the second hollow tube, the first hollow tube is inserted into the second hole cavity, and the first hollow tube is provided with a first air hole and a second air hole, so that air in the second hole cavity is extruded to enter the first hollow tube through the first air hole and then enter the first hole cavity through the second air hole, the first ejector rod is pushed to move downwards, and the force for assisting the first ejector rod to move downwards is exerted; the four rollers are arranged to enable the telescopic rod to rotate, abrasion and adaptability between the telescopic rod and the telescopic rod can be reduced in the telescopic process, and the first inserted rod which is rotatably arranged on the first plate and the second plate can always move up and down in the second hollow pipe; the well lid middle zone receives first hollow tube can withstand the interior upper arm of second vestibule after doing all can, makes first ejector pin fixed, and the telescopic link is motionless promptly, finally makes the pull rod device fixed motionless, has played certain supporting role to the upper cover is whole, and the device of uncapping promptly is equivalent to the strengthening rib effect, plays better guard action to the upper cover.

The pull rod device 5 comprises a rod body 51, a sleeve seat 52 sleeved at the lower end of the rod body, a disk body 53 fixedly arranged at the upper end of the rod body, two T-shaped blocks 54 oppositely arranged at the lower end of the disk body, two grooves 55 oppositely arranged at the upper end of the disk body, a through hole 56 arranged on the disk body between the two grooves, a circular groove 57 arranged on the upper cover, a T-shaped ring groove 58 arranged in the circular groove, and two slots 59 oppositely arranged on the T-shaped ring groove, wherein the disk body is positioned in the circular groove on the upper cover and the two T-shaped blocks on the disk body are positioned in the T-shaped ring groove, and the other end of the telescopic rod; two T-shaped blocks on the rotary table are firstly positioned right above two grooves on the T-shaped ring groove, the rotary table integrally moves downwards to enable the two T-shaped blocks to be positioned in the two grooves and enable the rotary table to be positioned in the circular groove, a spanner is inserted into the two grooves and rotates the rotary table to enable the T-shaped blocks to move to the T-shaped ring groove, the rotary table is fixed up and down, and the cover opening device and the pull rod device can achieve a reinforcing rib effect on the upper cover after the upper cover is stressed; need open the upper cover, earlier two T type pieces displacement to two fluting departments on the carousel, the reuse stay cord passes the through-hole, and the pulling stay cord makes the carousel and fixed locate the body of rod and the cover seat that rotates and wholly rise, the telescopic link rotates to locate on the cover seat, makes the telescopic link rotate to the start-up of device of uncapping is driven, the cover seat cover is located on the body of rod, thereby the carousel rotates and drives the body of rod and can rotate in-process cover seat and then not rotate.

The siphon device 6 comprises a water inlet 61 and an air outlet 62 which are arranged on an upper cover, a drainage tank 63 which is arranged at the lower end of the water inlet, a conical block 64 which is arranged in the drainage tank, a first driving assembly 65 which is used for driving the conical block to move up and down, a plurality of water outlets 66 which are distributed on the side wall of the drainage tank in an annular mode at equal intervals, a leakage-proof assembly 67 which is arranged in the air outlet, and a second driving assembly 68 which is used for being communicated with the leakage-proof assembly and exhausting air in a; the first driving assembly drives the conical block to move up and down to open the water outlets discontinuously, the conical block is driven by the gravity of the water in the conical block and the water drainage box and the first driving assembly to move downwards quickly, so that the space in the water drainage box is increased to generate a certain negative pressure, a certain suction force is generated on the water inlet to enable rainwater at the water inlet to enter the water drainage box quickly, the conical block moves downwards to the position below the water outlets to enable the water in the water drainage box to be drained into a sewer through the water outlets, the water drainage work can be accelerated by the arrangement of the conical block, and meanwhile sundries in the water can be prevented from being accumulated in the water drainage box; the air in the drainage box is sucked away and exhausted from the leakage-proof assembly through the second driving assembly, certain impact can be generated on rainwater on the surface of the upper cover in the process that the air is exhausted from the leakage-proof assembly, a certain warning effect can be achieved on the well cover, rainwater is prevented from entering and flowing backwards through the arrangement of the leakage-proof assembly, negative pressure is generated in the drainage box through the sucked air, even if suction is generated at the water inlet, the rainwater passing at the water inlet is accelerated again, and the second driving assembly always generates suction in the drainage box in the process that the conical block moves up and down; rainwater is from a plurality of delivery port discharge ports on the drain box, makes holistic weight reduction, makes first drive assembly more conveniently drive the toper piece and rise. Two fluting on the T type ring groove one towards the water inlet another towards the gas outlet, and two T type blocks on the disk body are located the both ends of recess, can make two recesses when just facing water inlet and gas outlet the disk body can be upwards pulled up through this setting, make the disk body fix on the upper cover during skew.

The first driving assembly 65 comprises a third hole cavity 651 positioned at the middle lower part of the conical block, a step rod 652 fixedly arranged at the center of the conical block and positioned in the third hole cavity, a fourth hole cavity 653 arranged on the side wall of the drainage box, a connecting pipe 654 for communicating the third hole cavity with the fourth hole cavity, a moving rod 655 arranged in the fourth hole cavity, a chute 656 for communicating the fourth hole cavity with the outside, a fixed rod 657 fixedly arranged on the moving rod and positioned in the chute, and a push rod motor 658 for driving the fixed rod to move up and down; the push rod motor drive dead lever reciprocates in the spout, makes the carriage release lever in the fourth pore chamber reciprocate, the connecting pipe links to each other third pore chamber and fourth pore chamber to inject air into and breathe in the third pore chamber, make the step pole of third pore chamber reciprocate, can play limiting displacement to the step pole removal in-process through third pore chamber and step pole, the step pole is fixed on the toper piece, thereby drives the toper piece and reciprocates and spacing distance that reciprocates.

The second driving assembly 68 comprises a third hollow pipe 681 arranged at the upper end of the drainage box, a cavity 682 arranged at one end of the third hollow pipe, a fourth hollow pipe 683 arranged on the cavity, a piston 684 arranged in the cavity, an electronic telescopic rod 685 for driving the piston to reciprocate, a first one-way valve 686 arranged on the piston, a second one-way valve 687 arranged at the communication part of the third hollow pipe and the cavity, and a plurality of third air holes 688 which are annularly distributed on the fourth hollow pipe at equal intervals and are obliquely and downwards arranged; through the piston reciprocating motion in the driving intracavity of electron telescopic link, make the air in the third hollow tube get into the die cavity from the second check valve, make the air that gets into in the fourth hollow tube by the first check valve that is equipped with on the piston again, make the air in the third hollow tube can only one-wayly pour into the die cavity into through the second check valve, make the air in the die cavity can only one-wayly pour into in the fourth hollow tube into and discharge from a plurality of third gas pockets on the fourth hollow tube through first check valve, third hollow tube intercommunication drainage box to the completion is to the exhaust work in the drainage box, the position through the third hollow tube sets up and makes the water in the drainage box can not get into the third hollow tube in, only to the drainage box exhaust work.

The leakage-proof assembly 67 comprises a sealing block 671 which is sleeved on one end of a fourth hollow pipe and is positioned in the air outlet, a U-shaped cavity 672 which is arranged on the sealing block in an arc shape, and a plurality of fourth air holes 673 which are arranged on the sealing block and correspond to a plurality of third air holes on the fourth hollow pipe, the fourth hollow pipe is communicated with the U-shaped cavity through the third air holes and the fourth air holes, and one end of the U-shaped cavity is communicated with the outside; make the interior exhaust air of fourth hollow tube can get into the U die cavity and discharge through the U die cavity through a plurality of fourth gas holes, can avoid tiny build thing to pile up through the setting of U die cavity, can be through exhausting the effectual discharge U die cavity of tiny debris, and can avoid in the entering fourth gas hole of rainwater, rethread fourth gas hole slope sets up and avoids the rainwater to get into and plays fine leak protection effect in the fourth gas hole once more, can make the interior gas outgoing of fourth hollow tube simultaneously.

The push rod motor and the electronic telescopic rod are purchased from the market.

Claims

1. The utility model provides a municipal works drainage well lid which characterized in that: the rainwater drainage device comprises a well cover seat (1), an upper cover (2) arranged on the well cover seat, a plurality of cover opening devices (3) which are distributed on the upper cover in an annular mode at equal intervals and are convenient for the upper cover to open from the well cover seat, a plurality of power assisting devices (4) which are respectively used for assisting the plurality of cover opening devices, a pull rod device (5) which is used for driving the cover opening devices to operate simultaneously, and a siphon device (6) which is arranged on the upper cover and is used for accelerating rainwater drainage, wherein the cover opening devices (3) comprise a first hole cavity (31) arranged on the upper cover, a first ejector rod (32) movably arranged in the first hole cavity, a telescopic rod (33) with one end rotatably arranged on the first ejector rod, a sleeve (34) sleeved on the telescopic rod, and a first support (35) with one end rotatably arranged on the sleeve and the other; the power assisting device (4) comprises a second hole cavity (41) arranged in the upper cover, a first hollow pipe (42) fixedly arranged at the upper end of the first ejector rod and inserted into the second hole cavity, a first air hole (43) and a second air hole (44) which are arranged on the first hollow pipe and used for communicating the first hole cavity with the second hole cavity, a second hollow pipe (45) inserted into the second hole cavity, a first inserting rod (46) movably arranged in the second hollow pipe, a first plate (47) and a second plate (48) rotatably arranged at the lower end of the first inserting rod, and four rollers (49) with one ends rotatably arranged on the first plate and the other ends rotatably arranged on the second plate, wherein the four rollers roll on the upper surface and the lower surface of the telescopic rod; the pull rod device (5) comprises a rod body (51), a sleeve seat (52) sleeved at the lower end of the rod body, a disk body (53) fixedly arranged at the upper end of the rod body, two T-shaped blocks (54) oppositely arranged at the lower end of the disk body, two grooves (55) oppositely arranged at the upper end of the disk body, a through hole (56) arranged between the two grooves and arranged on the disk body, a circular groove (57) arranged on the upper cover, a T-shaped ring groove (58) arranged in the circular groove and two grooves (59) oppositely arranged on the T-shaped ring groove, wherein the disk body is arranged in the circular groove on the upper cover and the two T-shaped blocks on the disk body are arranged in the T-shaped ring groove; siphon device (6) including locate water inlet (61) and gas outlet (62) that the upper cover was covered, locate water drainage tank (63) of water inlet lower extreme, locate toper piece (64) in the water drainage tank, be used for driving first drive assembly (65) that toper piece reciprocated, equidistance annular distribution locate a plurality of delivery ports (66) on the water drainage tank lateral wall, locate intraoral leak protection subassembly (67) of gas outlet, be used for with leak protection subassembly intercommunication and one-way carminative second drive assembly (68).

2. The municipal drainage well lid of claim 1, wherein: the first driving assembly (65) comprises a third hole cavity (651) located below the middle of the conical block, a step rod (652) fixedly arranged at the center of the conical block and located in the third hole cavity, a fourth hole cavity (653) arranged on the side wall of the drainage box, a connecting pipe (654) used for communicating the third hole cavity with the fourth hole cavity, a moving rod (655) arranged in the fourth hole cavity, a sliding groove (656) used for communicating the fourth hole cavity with the outside, a fixing rod (657) fixedly arranged on the moving rod and located in the sliding groove, and a push rod motor (658) used for driving the fixing rod to move up and down.

3. The municipal drainage well lid of claim 1, wherein: the second driving assembly (68) comprises a third hollow pipe (681) arranged at the upper end of the drainage box, a cavity (682) arranged at one end of the third hollow pipe, a fourth hollow pipe (683) arranged on the cavity, a piston (684) arranged in the cavity, an electronic telescopic rod (685) used for driving the piston to move in a reciprocating manner, a first one-way valve (686) arranged on the piston, a second one-way valve (687) arranged at the communication position of the third hollow pipe and the cavity, and a plurality of third air holes (688) which are distributed on the fourth hollow pipe in an equidistant annular manner and are obliquely and downwards arranged.

4. The municipal drainage well lid of claim 1, wherein: leak protection subassembly (67) are located U die cavity (672) on the sealed piece including the cover on fourth hollow tube one end and being located gas outlet, arc, correspond with a plurality of third gas pockets on the fourth hollow tube and locate a plurality of fourth gas pockets (673) on the sealed piece, fourth hollow tube and U die cavity pass through third gas pocket and fourth gas pocket intercommunication, the one end and the outside intercommunication of U die cavity.