CN219732241U

CN219732241U - Device capable of preventing liquid and gas from flowing backwards

Info

Publication number: CN219732241U
Application number: CN202320141077.5U
Authority: CN
Inventors: 钟旺林
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-09-22
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses a device capable of preventing liquid and gas from flowing backwards, which comprises an inner circle water inlet pipe, wherein a filter screen cover is arranged at the top of the inner circle water inlet pipe, a water collecting tank is fixedly connected to the bottom of the inner circle water inlet pipe, and a drain pipe is fixedly connected to the right side of the water collecting tank. This can prevent liquid and gaseous backflow device is provided with toper water inlet tube and annular frame respectively through inside upside and the downside of interior circle inlet tube, and is provided with buoyancy ball between toper water inlet tube and the annular frame to the bottom of interior circle inlet tube is connected with the header tank, and the right side of header tank is connected with the drain pipe, and the device of these mechanisms can be when rivers are backward flowing with buoyancy ball come-up and toper water inlet tube laminating mutually prevent water backflow, and the gas backflow of the trunk line can effectively be isolated to the hydroenergy that gathers in the header tank simultaneously.

Description

Device capable of preventing liquid and gas from flowing backwards

Technical Field

The utility model relates to the technical field of pipeline drainage, in particular to a device capable of preventing liquid and gas from flowing backwards.

Background

At present, urban drainage pipelines are buried underground generally, water outlets of the pipelines are communicated with a river channel, drainage is convenient, but when rainfall is relatively large, the water level in the river channel can rise, and at the moment, if the water in the river channel rises and overflows through a water outlet, the water in the river channel can flow backwards to the road surface through a drainage well, so that pollution is caused, and the existing patent documents improve the situation.

For example, chinese patent CN217974708U, an anti-backflow device comprises a pipeline, an upper valve seat is installed at the upper part of the pipeline, a drainage hole capable of draining water is provided in the middle of the upper valve seat, a valve port is provided at the drainage hole, the valve port is a conical hole with a small upper part and a large lower part, a lower valve seat is installed at the lower part of the pipeline, a downhill capable of draining water is provided at the lower valve seat, the downhill is provided with a conical hole with a boss and a groove, a floating ball is provided between the upper valve seat and the lower valve seat, and the valve port can be blocked when the floating ball floats upwards; by arranging the valve port and the floating ball, when river water at the river channel water outlet or sewage in the street sewer well flows backwards, the floating ball is promoted to float upwards to contact the blocking slope, and the floating ball is attached to the valve port due to buoyancy, so that the river water or sewage in the sewer well is prevented from flowing backwards.

Although the above-mentioned document uses the floater and the valve port to cooperate, has reached the function of waterproof backward flowing, but to factory sewage treatment, office building and residential area family use can not reach perfect effect, if this kind of device is direct to be connected with the trunk line, makes the inside gas backflow of main line easily, influences indoor and surrounding environment, designs a device that can prevent flowing backward to water and gas simultaneously at present and solves this kind of defect.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the device capable of preventing the liquid and the gas from flowing backwards, solves the problem that the existing drainage device can not simultaneously prevent the liquid and the gas from flowing backwards, prevents the influence of sewage, smell and toxic and harmful gas caused by flowing backwards on the surrounding environment, is applicable to installation in various occasions, and improves the application range of the drainage device.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a can prevent liquid and gaseous backflow device, includes interior circle inlet tube, the top of interior circle inlet tube is provided with the filter screen lid, the bottom fixedly connected with header tank of interior circle inlet tube, the right side fixedly connected with drain pipe of header tank.

Preferably, the lower part fixedly connected with annular frame of interior circle inlet tube inner wall, the inboard fixedly connected with inclined plane arc piece of annular frame, and inclined plane arc piece is provided with a plurality of, the upper portion fixedly connected with toper inlet tube of interior circle inlet tube inner wall, the buoyancy ball that cooperatees with inclined plane arc piece and toper inlet tube to use has been placed to the inboard of interior circle inlet tube.

Preferably, the water collection tank is arranged at a position lower than the water drainage pipe; the water collection tank is internally provided with a baffle plate, and the baffle plate is lower than the highest horizontal surface of the water collection tank, which can collect water.

Preferably, the bottom of the water collection tank is fixedly connected with a threaded trash removal pipe through an opening.

Preferably, the bottom thread of the threaded trash removal pipe is connected with a screwing cap.

Advantageous effects

The utility model provides a device capable of preventing liquid and gas from flowing backwards. Compared with the prior art, the method has the following beneficial effects:

(1) This can prevent liquid and gaseous backflow device is provided with toper water inlet section of thick bamboo and annular frame respectively through inside upside and downside of interior circle inlet tube, and be provided with buoyancy ball between toper water inlet section of thick bamboo and the annular frame to the bottom of interior circle inlet tube is connected with the header tank, and the right side of header tank is connected with the drain pipe, and the device of these mechanisms can be when rivers are backward flowing with buoyancy ball come-up and toper water inlet section of thick bamboo laminating mutually prevent water refluence, and the hydroenergy that the header tank is inside gathers can effectively isolate the gaseous backward flow of trunk line simultaneously, can not cause the influence indoor and surrounding environment, improves holistic suitability and security.

(2) The baffle is arranged in the water collecting tank, and when the water collection in the water collecting tank is reduced, the water collection level is not lower than the bottom end of the baffle, so that the gas backflow prevention effect can be realized; meanwhile, the screw thread dirt cleaning pipe and the screw cap can conveniently clean the inside of the water collection tank, and the overall functionality of the device is improved.

Drawings

FIG. 1 is a schematic illustration of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the inner circular inlet tube, filter screen cover and header structure of the present utility model;

FIG. 3 is a bottom view of the threaded purge tube and screw cap structure of the present utility model;

FIG. 4 is a schematic view of a buoyant spheres of the present utility model;

FIG. 5 is a schematic view of the ring frame and beveled arc block configuration of the present utility model.

In the figure: 1. an inner circular water inlet pipe; 2. a filter screen cover; 3. a water collection tank; 4. a drain pipe; 5. an annular frame; 6. a bevel arc block; 7. a buoyancy ball; 8. a baffle; 9. a thread dirt cleaning pipe; 10. screwing the cover; 11. a conical water inlet cylinder.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a can prevent liquid and gaseous backflow device, includes interior circle inlet tube 1, and the top of interior circle inlet tube 1 is connected with filter screen lid 2, and the bottom fixedly connected with header tank 3 of interior circle inlet tube 1, the right side fixedly connected with drain pipe 4 of header tank 3.

As an alternative embodiment, in order to prevent water from flowing backwards, the lower part of the inner wall of the inner circular water inlet pipe 1 is fixedly connected with an annular frame 5, the inner side of the annular frame 5 is fixedly connected with an inclined arc block 6, the inclined arc blocks 6 are provided with a plurality of conical water inlet barrels 11, the upper part of the inner wall of the inner circular water inlet pipe 1 is fixedly connected with a conical water inlet barrel 11, the inner side of the inner circular water inlet pipe 1 is provided with a buoyancy ball 7 matched with the inclined arc block 6 and the conical water inlet barrel 11, and the buoyancy ball 7 is made of rubber.

Furthermore, the water collection tank 3 is arranged at a position lower than the water discharge pipe 4, so that the water collection tank 3 can collect water conveniently, and the water collection tank 3 can collect water to prevent gas from flowing back; still be provided with baffle 8 in the header tank 3, baffle 8 sets up to be less than the highest level that header tank 3 can collect water, when the water collection in header tank 3 reduces through setting up baffle 8, but the water level of water collection is not less than baffle 8 bottom still can play the effect of preventing gaseous backward flow.

Wherein, in order to conveniently clear up header tank 3 inside, the bottom of header tank 3 is through seting up opening fixedly connected with screw thread pipe 9 that decontaminates, and screw thread 9's bottom threaded connection has to twist lid 10.

The working principle of the utility model is as follows:

during the use, water gets into the inside of interior circle inlet tube 1 through filter screen lid 2, filter screen lid 2 can effectively filter rubbish, when no rivers or rivers are little, the state of buoyancy ball 7 is for placing at the top of annular frame 5 and the contact of a plurality of inclined plane arc piece 6 this moment, rivers are direct from the buoyancy ball 7 with flow in the water tank 3 in the gap of inclined plane arc piece 6 next door, when rivers are big, the inside promotion water level of water inlet tube 1 in the interior of water inlet tube is got into to water, buoyancy ball 7 rises under the buoyancy of water and separates with annular frame 5, annular frame 5 has not had the blocking of buoyancy ball 7 improved the displacement this moment, rivers are backward flowed when rivers backward flowed, buoyancy ball 7 is laminated with toper inlet tube 11 under buoyancy effect, and reach the function that prevents water back flow, the inside water that gathers of water tank 3 can effectively prevent gaseous backward flow simultaneously, can be with twisting lid 10 rotatory and screw thread dirt removal pipe 9 separation to clear up the inside of water tank 3 when water tank 3 blocks up.

In the description of the utility model, it should be understood that the terms "upper," "lower," "bottom," "right," "lower," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "secured," "connected," and the like are to be construed broadly and may be, for example, fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms in the utility model will be understood by those of ordinary skill in the art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a can prevent liquid and gaseous backflow device, includes interior circle inlet tube (1), its characterized in that: the top of the inner circle water inlet pipe (1) is provided with a filter screen cover (2), the bottom of the inner circle water inlet pipe (1) is fixedly connected with a water collecting tank (3), and the right side of the water collecting tank (3) is fixedly connected with a drain pipe (4); the inner side of the inner circular water inlet pipe (1) is fixedly connected with an annular frame (5), the inner side of the annular frame (5) is fixedly connected with an inclined arc block (6), the inclined arc blocks (6) are provided with a plurality of inclined arc blocks, the upper part of the inner wall of the inner circular water inlet pipe (1) is fixedly connected with a conical water inlet cylinder (11), and the inner side of the inner circular water inlet pipe (1) is provided with a buoyancy ball (7) which is matched with the inclined arc block (6) and the conical water inlet cylinder (11); the water collecting tank (3) is arranged at a position lower than the water draining pipe (4); the water collecting tank (3) is internally provided with a baffle (8), and the baffle (8) is lower than the highest horizontal surface of the water collecting tank (3) capable of collecting water.

2. The liquid and gas backflow prevention device according to claim 1, wherein: the bottom of the water collection tank (3) is fixedly connected with a threaded trash removal pipe (9) through an opening.

3. The liquid and gas backflow prevention device according to claim 2, wherein: the bottom thread of the thread dirt cleaning pipe (9) is connected with a screwing cap (10).