CN108867833B

CN108867833B - Siphon inspection well cover

Info

Publication number: CN108867833B
Application number: CN201810983880.7A
Authority: CN
Inventors: 张兵
Original assignee: Wenzhou Puruida Machinery Technology Co ltd
Current assignee: Jiaxing worui Technology Co.,Ltd.
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2020-05-12
Anticipated expiration: 2038-08-28
Also published as: CN111005440B; CN111005440A; CN108867833A

Abstract

The invention belongs to the field of municipal construction, and particularly relates to a siphon inspection well cover which comprises an inspection well cover body, wherein a plurality of drain holes are formed in the inspection well cover body, a groove is formed in the upper end of the inspection well cover body, an elastic plate with the middle part protruding upwards is fixedly connected in the groove, a plurality of air inlet channels and exhaust channels corresponding to the drain holes are formed in the side walls of the groove, a first check valve and a second check valve are respectively and fixedly connected to the air inlet channels and the exhaust channels, a through hole communicated with the outside is vertically formed in the bottom of the groove, a first piston block and a second piston block are connected in a sliding and sealing mode in the through hole, a closed cavity is formed by the lower side wall of the first piston block, the upper side wall of the second piston block and the side wall of the through hole, the upper end of the first. The invention utilizes the automobile to drive the fan blades to rotate when the automobile passes through the inspection well cover, so that the fan blades generate a pressure difference of small top and large bottom, thereby generating suction in the drainage hole and improving the drainage capacity of the drainage hole.

Description

Siphon inspection well cover

Technical Field

The invention belongs to the field of municipal construction, and particularly relates to a siphon inspection well cover.

Background

The inspection well cover is a facility for urban road drainage. When the inspection well cover is used, the height of the inspection well cover is generally slightly lower than the surrounding road surface, rainwater and the like can be gathered on the inspection well cover, drainage is convenient, in the actual use process, when a car runs over the inspection well cover, accumulated water is often drained, the accumulated water needs to be gathered together again, the drainage efficiency is reduced, particularly in a road section with large traffic flow, the condition is serious, and the drainage capacity of the inspection well cover is influenced.

Through retrieval, patent application No. CN201510533230.9 named street floor tile, utilize the pedestrian to trample the floor tile and drive the flabellum and rotate to play the effect of absorbing water and preventing splash, when using, when rolling over when having vehicles such as motorcycle or electric motor car, can make this floor tile atress suddenly, the internal element is fragile.

To this end, we propose a siphon manhole cover to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems and provides a siphon inspection well cover with a buffering function.

In order to achieve the purpose, the invention adopts the following technical scheme: a siphon inspection well cover comprises an inspection well cover body, wherein a plurality of drain holes which are communicated from top to bottom and distributed along a circular shape are formed in the inspection well cover body, a groove is formed in the upper end of the inspection well cover body, an elastic plate with the middle part protruding upwards is fixedly connected in the groove, a plurality of air inlet channels and air outlet channels corresponding to the drain holes are formed in the side walls of the groove, the lower end of the inspection well cover body is fixedly connected with a ring piece with the same diameter as the inspection well cover body, an air outlet of the air inlet channel is located on the bottom surface of the ring piece, a first check valve and a second check valve are respectively and fixedly connected to the air inlet channels and the air outlet channels, a through hole communicated with the outside is vertically formed in the groove bottom of the groove, a first piston block and a second piston block are connected in the through hole in a sliding and sealing manner, and a closed cavity, the upper end of first piston piece is passed through dead lever and elastic plate fixed connection, the dead lever overcoat is equipped with the spring, the upper and lower both ends of spring respectively with the lateral wall counterbalance contact of elastic plate and recess, the lower extreme fixedly connected with threaded rod of second piston piece, the lower extreme of threaded rod extends to the through-hole outside and the screw thread has cup jointed the rotary drum, the upper end of rotary drum rotates with the lower extreme of inspection shaft lid body to be connected so that it can follow self axis rotation, the outside of rotary drum rotates through one-way rotation piece and is connected with the drum, a plurality of flabellums of fixedly connected with on the lateral wall of drum, the flabellum is located loop forming element lower extreme open-ended inboard.

In the siphon inspection well cover, the air inlet channel is communicated with the drain hole through a plurality of first air suction channels, and the air exhaust channel is communicated with the drain hole through a plurality of second air suction channels.

In the siphon inspection well cover, the one-way rotating part is a one-way rotating bearing with an inner ring and an outer ring fixedly connected with the rotary drum and the cylinder respectively.

In foretell siphon inspection shaft lid, the one-way rotation piece includes a plurality of teeth of dialling on the fixed connection rotary drum lateral wall, the inside wall of drum be equipped with dial tooth assorted ratchet tooth, the upper and lower both ends of rotary drum all are equipped with the annular arch that the restriction drum reciprocated.

Compared with the prior art, the siphon inspection well cover has the advantages that:

1. according to the invention, by arranging the elastic plate, the threaded rod and the fan blades, when an automobile passes through the inspection well cover, the fan blades are driven to rotate, and the fan blades rotate to generate a small-upper-lower-large pressure difference, so that a suction force is generated in the drainage hole, the drainage capacity of the drainage hole is improved, and the condition that the drainage speed of the inspection well cover is reduced because the automobile passes through the inspection well cover to drain water is avoided.

2. By arranging the closed cavity, when an automobile passes through the inspection well cover from the upper side at a higher speed, the first piston block is suddenly lowered to compress air in the closed cavity, so that the air pressure in the closed cavity is increased, then the air pressure in the closed cavity is gradually restored, the second piston block is gradually pressed downwards to drive the fan blades to rotate, the pressure of the automobile is effectively buffered, the pressure of each element is reduced, and the service life is prolonged.

3. According to the invention, by arranging the first air suction channel and the second air suction channel, when air is sucked or exhausted in the air suction channel and the exhaust channel, the fast flowing gas can generate suction force in the drain hole according to the siphon effect, so that the drainage capability of the drain hole is further improved.

Drawings

FIG. 1 is a perspective view of the structure of embodiment 1 of a siphon manhole cover according to the present invention;

FIG. 2 is a perspective view of the structure of embodiment 2 of a siphon manhole cover according to the present invention;

fig. 3 is a schematic view of the external structure of embodiment 2 of the siphon manhole cover provided by the invention.

In the figure, 1, an inspection well cover body, 2 water discharge holes, 3 grooves, 4 elastic plates, 5 air inlet channels, 6 air exhaust channels, 7 first one-way valves, 8 second one-way valves, 9 through holes, 10 first piston blocks, 11 second piston blocks, 12 closed cavities, 13 fixing rods, 14 springs, 15 threaded rods, 16 rotary cylinders, 17 cylinders, 18 fan blades, 19 first air suction channels and 20 second air suction channels.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, a siphon manhole cover comprises a manhole cover body 1, wherein a plurality of drain holes 2 which are communicated from top to bottom and distributed along a circle are arranged on the manhole cover body 1, a groove 3 is arranged at the upper end of the manhole cover body 1, an elastic plate 4 which is upwards protruded at the middle part is fixedly connected in the groove 3, the elastic plate 4 can be made of rubber, the upper end of the elastic plate 4 is in a convex arc shape, on one hand, the siphon manhole cover can deal with vehicles coming from all directions, on the other hand, water in the middle part of the manhole cover can be squeezed to the drain holes 2 at the edge, the drainage effect is improved, a plurality of air inlet channels 5 and exhaust channels 6 which correspond to the drain holes 2 are arranged on the side wall of the groove 3, a ring-shaped member with the same diameter is fixedly connected to the lower end of the manhole cover body 1, an air outlet of the air inlet channel 5 is arranged on the bottom surface of the ring-shaped member, wherein, the first check valve 7 allows gas to enter the groove 3 in a one-way manner, the second check valve 8 allows gas to be discharged out of the groove 3 in a one-way manner, the gas transmission directions of the first check valve 7 and the second check valve 8 are shown by arrows in fig. 1 and fig. 2, a through hole 9 communicated with the outside is vertically arranged at the bottom of the groove 3, a first piston block 10 and a second piston block 11 are connected with the through hole 9 in a sliding and sealing manner, a closed cavity 12 is formed by the lower side wall of the first piston block 10, the upper side wall of the second piston block 11 and the side wall of the through hole 9 together, the upper end of the first piston block 10 is fixedly connected with the elastic plate 4 through a fixing rod 13, a spring 14 is sleeved outside the fixing rod 13, the upper end and the lower end of the spring 14 are respectively contacted with the elastic plate 4 and the side wall of the groove 3 in an abutting manner, a threaded rod 15 is fixedly connected with the lower end of, the upper end of rotary drum 16 is connected so that it can be rotatory along self axis with the lower extreme of inspection shaft lid body 1 rotates, and rotary drum 16 overcoat is equipped with drum 17, the outside of rotary drum 16 rotates through one-way rotation piece and is connected with drum 17, a plurality of flabellums 18 of fixedly connected with on the lateral wall of drum 17, and flabellum 18 is close to the lower extreme setting of wash port 2, and flabellum 18 is located annular member lower extreme open-ended inboard, avoids influencing the negative pressure space that flabellum 18 formed on its upper side after rotating.

In this embodiment, when the automobile passes through the upper end of the manhole cover body 1, the elastic plate 4 is pressed downward, on one hand, the air in the groove 3 is exhausted along the exhaust passage 6, on the other hand, the elastic plate 4 drives the first piston block 10 to move downward through the fixing rod 13, at this time, the spring 14 is compressed, because the speed is fast when the automobile passes through the manhole cover body 1, the first piston block 10 suddenly moves downward, so that the air in the closed cavity 12 is compressed, then the air in the closed cavity 12 gradually returns to the normal pressure state, and pushes the second piston block 11 to move downward, a good buffering effect is achieved, the second piston block 11 drives the threaded rod 15 to move downward, the threaded rod 15 drives the rotary drum 16 to rotate, at this time, the rotary drum 16 drives the rotary drum 17 to rotate, the rotary drum 17 drives the fan blade 18 to rotate, when the fan blade 18 rotates, the upper side pressure of the fan blade 18 is reduced, and a suction force is generated on the drain hole 2 on, the drainage hole 2 generates suction to the accumulated water on the upper side of the inspection well cover body 1 to counteract the influence of the accumulated water drainage when the automobile runs, when the automobile runs away from the inspection well cover body 1, under the action of the self elasticity of the elastic plate 4 and the spring 14, the elastic plate 4 can recover deformation to suck the outside air into the air inlet channel 5, at the moment, the first piston block 10 resets to enlarge the space of the closed cavity 12, under the action of the outside atmospheric pressure, the second piston block 11 can move upwards, the second piston block 11 drives the threaded rod 9 to reset, the threaded rod 9 drives the rotary drum 16 to rotate reversely, in the embodiment, the one-way rotating part can be a one-way rotating bearing with an inner ring and an outer ring fixedly connected with the rotary drum 16 and the cylinder 17 respectively, in other embodiments, the one-way rotating part comprises a plurality of shifting teeth fixedly connected with the outer side wall of the rotary drum 16, the inner side wall of the, the upper end and the lower end of the rotating drum 16 are both provided with annular bulges for limiting the cylinder 17 to move up and down, and when the rotating drum 16 rotates reversely, the cylinder 17 cannot be driven to rotate.

Example 2

As shown in fig. 2 to 3, the present embodiment is different from embodiment 1 in that: the intake passage 5 communicates with the drain hole 2 through a plurality of first intake passages 19, and the exhaust passage 6 communicates with the drain hole 2 through a plurality of second intake passages 20.

When the air intake passage 5 and the air exhaust passage 6 are conveying air, the first air suction passage 19 and the second air suction passage 20 generate suction force to the drain hole 2 under the siphon effect, and the drainage effect of the drain hole 2 is further improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A siphon inspection well cover comprises an inspection well cover body (1), wherein a plurality of drain holes (2) which are communicated from top to bottom and are distributed along a circular shape are formed in the inspection well cover body (1), the siphon inspection well cover is characterized in that a groove (3) is formed in the upper end of the inspection well cover body (1), an elastic plate (4) with the middle protruding upwards is fixedly connected in the groove (3), a plurality of air inlet channels (5) and exhaust channels (6) corresponding to the drain holes (2) are formed in the side wall of the groove (3), a ring piece with the same diameter as the groove is fixedly connected at the lower end of the inspection well cover body (1), an air outlet of each air inlet channel (5) is located on the bottom surface of the ring piece, a first check valve (7) and a second check valve (8) are fixedly connected on each air inlet channel (5) and each exhaust channel (6), a through hole (9) communicated with the outside is vertically formed in, sliding seal connects in through-hole (9) has first piston piece (10) and second piston piece (11), lateral wall and through-hole (9) lateral wall have formed airtight cavity (12) jointly under first piston piece (10), second piston piece (11), the upper end of first piston piece (10) is through dead lever (13) and elastic plate (4) fixed connection, dead lever (13) overcoat is equipped with spring (14), the upper and lower both ends of spring (14) respectively with the lateral wall looks butt contact of elastic plate (4) and recess (3), the lower extreme fixed connection of second piston piece (11) has threaded rod (15), the lower extreme of threaded rod (15) extends to outside through-hole (9) and screw thread cup joints rotary drum (16), the upper end of rotary drum (16) is connected so that it can follow self axis rotation with the lower extreme of inspection shaft lid body (1), the outside of rotary drum (16) rotates through one-way rotation piece and is connected with drum (17), fixedly connected with a plurality of flabellums (18) on the lateral wall of drum (17), flabellum (18) are located the open-ended inboard in annular member lower extreme.

2. Siphon manhole cover according to claim 1, wherein the air intake channel (5) communicates with the drain hole (2) through a plurality of first air intake channels (19) and the air exhaust channel (6) communicates with the drain hole (2) through a plurality of second air intake channels (20).

3. The siphon inspection well cover according to claim 1, characterized in that the unidirectional rotating element is a unidirectional rotating bearing with an inner ring and an outer ring fixedly connected with the rotating drum (16) and the cylinder (17), respectively.

4. The siphon inspection well cover is characterized in that the one-way rotating part comprises a plurality of shifting teeth fixedly connected to the outer side wall of the rotating cylinder (16), ratchet teeth matched with the shifting teeth are arranged on the inner side wall of the rotating cylinder (17), and annular bulges for limiting the up-and-down movement of the rotating cylinder (17) are arranged at the upper end and the lower end of the rotating cylinder (16).