CN218306609U

CN218306609U - Backflow prevention device

Info

Publication number: CN218306609U
Application number: CN202221965825.3U
Authority: CN
Inventors: 任锋
Original assignee: SHANGHAI ZHONGLING LABORATORY EQUIPMENT GROUP CO LTD
Current assignee: SHANGHAI ZHONGLING LABORATORY EQUIPMENT GROUP CO LTD
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-17
Anticipated expiration: 2032-07-28

Abstract

The utility model is suitable for a sewage treatment technical field especially relates to a backflow prevention device, including the rose box, the rose box is inside to be equipped with otter board and baffle, wherein the otter board middle part undercut, and be equipped with the blow off pipe in sunken position, the blow off pipe runs through the rose box and is equipped with the valve in the one end that runs through the rose box, rose box is inside to be equipped with shutoff mechanism and vibrations mechanism, shutoff mechanism is used for plugging up the blow off pipe, vibrations mechanism is used for driving the otter board vibrations; this device filters sewage through the inside otter board of rose box, and wherein the intermediate position undercut of otter board, impurity can be along the inside upper surface landing blowdown pipe of otter board, and after the rose box finishes filtering sewage, plug up the blow off pipe through shutoff mechanism to seal impurity inside the blow off pipe, can effectually avoid the stink to flow back to external phenomenon through rose box and inlet tube, reduced the smell pollution.

Description

Backflow prevention device

Technical Field

The utility model relates to a sewage treatment technical field specifically is an anti-return device.

Background

In the prior art, when sewage is filtered, a filter box is generally adopted to filter the sewage, wherein a screen plate is arranged in the filter box, impurities in the sewage are filtered on the surface of the screen plate through the screen plate, and the filtered water is discharged from a water outlet.

But this kind of rose box is when filtering sewage, and impurity piles up on the otter board surface easily, and the staff of not being convenient for clears up it, and the time has been long impurity and has rotten the stink that produces easily to through the inlet tube reflux external world, caused the smell pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-reflux device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anti-reflux device, includes the rose box, inside otter board and the baffle of being equipped with of rose box, wherein undercut in the middle of the otter board to be equipped with the blow off pipe in sunken position, the blow off pipe runs through the rose box and is equipped with the valve in the one end that runs through the rose box, inside shutoff mechanism and the vibrations mechanism of being equipped with of rose box, shutoff mechanism is used for plugging up the blow off pipe, and vibrations mechanism is used for driving the otter board vibrations.

Further: the plugging mechanism comprises a sealing ball arranged inside the filter box, the sealing ball is connected with the baffle through a support rod, a first motor is arranged on the side wall of the filter box, and an extrusion cam for the screen plate is arranged at the output end of the first motor.

Further: the vibrating mechanism comprises rotary discs which are arranged inside the filter box and distributed relatively, a rotating portion is connected to one side of each rotary disc, an eccentrically arranged bulge is arranged on the other side of each rotary disc, a limiting frame is connected to the outer portion of each bulge in a sliding mode, a connecting rod is fixedly connected with the limiting frame, a pull rope is connected to one end, penetrating through the baffle, of the connecting rod, and the other end of the pull rope is connected with the screen plate.

Further: the rotation portion is equipped with the dwang including setting up the second motor at the filter box top, second motor output, and the outside cover of dwang is equipped with first gear, and first gear both sides all mesh has the second gear, and wherein the second gear is connected with the axis of rotation, and the axis of rotation other end is connected with the carousel, and wherein the axis of rotation outside is equipped with the limiting plate.

Further: the side of otter board is equipped with the stopper, is equipped with the spacing groove on the lateral wall of rose box, and the stopper is located the spacing inslot portion and passes through spring rather than sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: this device filters sewage through the inside otter board of rose box, and wherein the intermediate position undercut of otter board, impurity can be along inside the upper surface landing blowdown pipe of otter board, and after the rose box finishes filtering sewage, plug up the blow off pipe through shutoff mechanism to seal impurity inside the blow off pipe, can effectually avoid the stink to flow back external phenomenon through rose box and inlet tube, reduced the smell pollution.

Drawings

Fig. 1 is an elevation view of an overall structure of a backflow prevention device provided in an embodiment of the present invention.

Fig. 2 is a side view of the anti-backflow device turntable according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: 1-rotating shaft, 2-limiting plate, 3-second gear, 4-second motor, 5-rotating rod, 6-first gear, 7-screen plate, 8-blow-off pipe, 9-valve, 10-supporting rod, 11-sealing ball, 12-cam, 13-first motor, 14-water outlet pipe, 15-baffle, 16-water inlet pipe, 17-pull rope, 18-filter box, 19-rotary table, 20-limiting frame, 21-bulge, 22-connecting rod, 23-limiting groove, 24-limiting block and 25-spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

In one embodiment, please refer to fig. 1, a backflow prevention device comprises a filter box 18, a mesh plate 7 and a baffle 15 are arranged inside the filter box 18, wherein the middle of the mesh plate 7 is recessed downwards, a sewage discharge pipe 8 is arranged at the recessed position, the sewage discharge pipe 8 penetrates through the filter box 18, a valve 9 is arranged at one end penetrating through the filter box 18, a plugging mechanism and a vibrating mechanism are arranged inside the filter box 18, the plugging mechanism is used for plugging the sewage discharge pipe 8, and the vibrating mechanism is used for driving the mesh plate 7 to vibrate.

In this embodiment, when the device filters sewage, sewage enters the inside of the filter box 18 through the water inlet pipe 16 on the side wall of the filter box 18, the screen plate 7 inside the filter box 18 filters sewage, impurities are filtered on the surface of the screen plate 7, the filtered sewage is discharged from the water outlet pipe 14 on the side wall of the filter box 18, wherein the middle position of the screen plate 7 is recessed downwards, the impurities can slide into the sewage discharge pipe 8 along the upper surface of the screen plate 7, after the filter box 18 filters the sewage, the sewage discharge pipe 8 is blocked by the blocking mechanism, so that the impurities are sealed inside the sewage discharge pipe 8, the phenomenon that odor flows back to the outside through the filter box 18 and the water inlet pipe 16 can be effectively avoided, odor pollution is reduced, when the impurities inside the sewage discharge pipe 8 are too much, the valve 9 on the sewage discharge pipe 8 is opened, then the impurities can be discharged, wherein the inside of the filter box 18 is also provided with a vibration mechanism, the screen plate 7 is driven to vibrate up and down by the vibration mechanism, the screen plate 7 can further promote the impurities on the surface of the screen plate 7 to slide into the sewage discharge pipe 8, and the bellows can be prevented from interfering with the bellows, and the bellows, wherein the bellows can be a section of the bellows is a hose.

In another embodiment, referring to fig. 1, the plugging mechanism includes a sealing ball 11 disposed inside a filter box 18, the sealing ball 11 is connected to a baffle 15 through a support rod 10, a first motor 13 is disposed on a side wall of the filter box 18, and an output end of the first motor 13 is provided with a cam 12 for pressing the screen plate 7.

In this embodiment, this device is after filtering sewage, drive cam 12 through first motor 13 and rotate, cam 12 rotates simultaneously through bump extrusion otter board 7, thereby make otter board 7 upward movement, wherein ball sealer 11 is located blow off pipe 8 directly over, ball sealer 11 can stop up blow off pipe 8 completely when otter board 7 upward movement just, thereby seal impurity inside the hollow tube, and then the effectual stink of having avoided 16 external phenomena that flow back through the inlet tube, smell pollution has been reduced.

In another embodiment, referring to fig. 1-2, the vibration mechanism includes a rotating plate 19 disposed inside the filtering box 18 and distributed relatively, one side of the rotating plate 19 is connected with a rotating part, the other side is provided with an eccentrically disposed protrusion 21, the outside of the protrusion 21 is slidably connected with a limiting frame 20, the limiting frame 20 is fixedly connected with a connecting rod 22, the connecting rod 22 penetrates through the baffle 15 and is connected with a pulling rope 17 at one end penetrating through the baffle 15, and the other end of the pulling rope 17 is connected with the screen plate 7.

In this embodiment, when filtering sewage, the carousel 19 that drives two relative distributions through the rotation portion rotates, carousel 19 drives its surperficial arch 21 and is circular motion when rotating, receive the spacing of baffle 15, can drive connecting rod 22 upward movement through spacing 20 when cam 12 circular motion, when connecting rod 22 upward movement, connecting rod 22 drives otter board 7 upward movement through stay cord 17, when connecting rod 22 downward movement, otter board 7 downward movement under the impact of gravity or rivers, it is reciprocal then to have played a vibrations effect to otter board 7 so to circulate, can promote inside the impurity that otter board 7 surperficial enters into blow off pipe 8.

In another embodiment, please refer to fig. 1, the rotating portion includes a second motor 4 disposed at the top of the filtering box 18, an output end of the second motor 4 is provided with a rotating rod 5, a first gear 6 is sleeved outside the rotating rod 5, two sides of the first gear 6 are engaged with second gears 3, wherein the second gears 3 are connected to a rotating shaft 1, the other end of the rotating shaft 1 is connected to a rotating disc 19, and a limiting plate 2 is disposed outside the rotating shaft 1.

In this embodiment, when filtering sewage, start second motor 4, second motor 4 drives first gear 6 through dwang 5 and rotates, first gear 6 drives axis of rotation 1 through the meshing with second gear 3 and rotates, and then drives carousel 19 and rotate, drive two carousel 19 by second motor 4 and rotate, the energy has been practiced thrift, wherein the setting of limiting plate 2 has played a limiting displacement to axis of rotation 1, stability when having improved axis of rotation 1 and rotating can.

In another embodiment, referring to fig. 3, a limiting block 24 is disposed on a side surface of the mesh plate 7, a limiting groove 23 is disposed on a side wall of the filter box 18, and the limiting block 24 is located inside the limiting groove 23 and slidably connected thereto through a spring 25.

In this embodiment, the screen plate 7 moves up and down while driving the limiting block 24 on the side surface to move up and down in the limiting groove 23, the limiting groove 23 plays a limiting role for the screen plate 7 through the limiting block 24, thereby improving the stability of the screen plate 7 when moving up and down, wherein the limiting block 24 is connected with a spring 25, the spring 25 plays a resetting role for the screen plate 7 through the limiting block 24, and the screen plate 7 moves down.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A backflow prevention device comprises a filter box; the utility model is characterized in that, inside otter board and the baffle of being equipped with of rose box, wherein undercut in the middle of the otter board to be equipped with the blow off pipe in sunken position, the blow off pipe runs through the rose box and is equipped with the valve in the one end that runs through the rose box, inside shutoff mechanism and the vibrations mechanism of being equipped with of rose box, shutoff mechanism is used for plugging up the blow off pipe, and vibrations mechanism is used for driving the otter board vibrations.

2. The backflow prevention device as claimed in claim 1, wherein the blocking mechanism comprises a sealing ball disposed inside the filter box, the sealing ball is connected to the baffle plate through a support rod, a first motor is disposed on the side wall of the filter box, and an output end of the first motor is provided with a cam for pressing the mesh plate.

3. The backflow prevention device as claimed in claim 1, wherein the vibration mechanism comprises relatively distributed rotating discs arranged inside the filtering box, one side of each rotating disc is connected with a rotating part, the other side of each rotating disc is provided with an eccentrically arranged bulge, a limiting frame is slidably connected to the outer part of each bulge, a connecting rod is fixedly connected to each limiting frame, each connecting rod penetrates through the corresponding baffle, a pulling rope is connected to one end of each penetrating baffle, and the other end of each pulling rope is connected with the corresponding screen.

4. The backflow prevention device as claimed in claim 3, wherein the rotating portion comprises a second motor disposed at the top of the filtering box, a rotating rod is disposed at an output end of the second motor, a first gear is sleeved outside the rotating rod, second gears are engaged on two sides of the first gear, the second gear is connected with a rotating shaft, the other end of the rotating shaft is connected with the rotating disk, and a limiting plate is disposed outside the rotating shaft.

5. The backflow prevention device as claimed in any one of claims 1 to 4, wherein a limiting block is disposed on a side surface of the screen plate, a limiting groove is disposed on a side wall of the filter box, and the limiting block is located inside the limiting groove and slidably connected thereto through a spring.