CN220956012U - Liquid pumping device with backflow prevention function - Google Patents

Abstract

The utility model discloses a liquid pumping device with a backflow prevention function, which comprises: one end of the hose is connected with one end of the booster pump; one end of the binding belt is fixedly connected with a lantern ring, and the binding belt is connected with the hose through the lantern ring; a clamping roller is arranged on one side of the lantern ring, and the clamping roller is clamped among a plurality of clamping holes clamped on the surface of the binding belt; the inner diameter of the lantern ring is larger than the outer diameter of the hose, and the lantern ring is sleeved on the surface of the hose; the flow stopping pipe is arranged at the other end of the hose, a duckbill valve is arranged at the middle position of the flow stopping pipe, and the outlet of the duckbill valve is formed by mutually attaching two planes to form a plane sealing surface; a curved pipe is arranged at the outlet of the duckbill valve, and the curved pipe is made of rubber; the utility model has the technical effects and advantages that: according to the liquid pumping device, through the design of the duckbill valve in the stop tube, the phenomenon that liquid in the hose flows back after the booster pump stops working is effectively prevented.

Description

Liquid pumping device with backflow prevention function

Technical Field

The utility model belongs to the technical field of liquid extraction devices, and particularly relates to a liquid extraction device with a backflow prevention function.

Background

In the current society, the liquid pumping device is widely applied to biology, manufacturing, agriculture and medical industries, the liquid pumping device can shift liquid in a pumping mode, a large amount of floating liquid which is insoluble in water exists in sewage generated by a plurality of factories in the manufacturing industry, and the floating liquid needs to be pumped away for treatment by the liquid pumping device, so that the phenomenon of environmental pollution after sewage discharge is avoided;

After the liquid extracting device at the present stage is used for extracting the floating liquid, the phenomenon that the liquid stored in the pipeline possibly flows back due to gravity can be caused, so that the floating liquid can not be extracted cleanly, and the defect of the practical performance of the liquid extracting device is reflected;

In a patent document CN204910871U, the utility model discloses a liquid pumping device which is used in a floating oil recovery system, wherein the floating oil recovery system comprises a liquid recovery tank, a liquid pumping device and an oil-water separation tank, the liquid pumping device pumps liquid from the liquid recovery tank into the oil-water separation tank through a floating oil collection kettle to carry out oil-water separation, the liquid pumping device comprises a breather valve with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet of the breather valve are respectively connected with the floating oil collection kettle and the oil-water separation tank, the breather valve is provided with a liquid inlet state and a liquid outlet state, and the liquid pumping device also comprises a telescopic air bag which is communicated with an inner cavity of the breather valve through a breathing pipeline and is used for switching the working state of the breather valve and a control mechanism for controlling the telescopic state of the telescopic air bag. When the liquid pumping device is used for pumping liquid, the liquid cannot be subjected to shearing force, meanwhile, liquid emulsification cannot be caused, the oil-water separation efficiency in a later-stage oil-water separation box is facilitated, and the recovery rate of floating oil is improved;

According to the liquid pumping device disclosed by the above, liquid is pumped into the oil-water separation tank from the liquid recovery tank by the floating oil collection kettle, and after the pumping is stopped, a large amount of liquid still exists in the pipeline, so that the liquid flows back into the floating oil collection kettle.

Disclosure of utility model

The utility model aims to provide a liquid pumping device with a backflow prevention function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a liquid extraction device with backflow prevention function, comprising:

one end of the hose is connected with one end of the booster pump;

One end of the binding belt is fixedly connected with a lantern ring, and the binding belt is connected with the hose through the lantern ring; a clamping roller is arranged on one side of the lantern ring, and the clamping roller is clamped among a plurality of clamping holes clamped on the surface of the binding belt;

The inner diameter of the lantern ring is larger than the outer diameter of the hose, and the lantern ring is sleeved on the surface of the hose;

The flow stopping pipe is arranged at the other end of the hose, a duckbill valve is arranged at the middle position of the flow stopping pipe, and the outlet of the duckbill valve is formed by mutually attaching two planes to form a plane sealing surface; a curved pipe is arranged at the outlet of the duckbill valve, and the curved pipe is made of rubber;

preferably, an adjusting head is arranged at the opening of the other end ring of the hose, and the surface of the adjusting head is fixedly connected with a roller ring;

The roller ring protrudes annularly on the outer wall of the adjusting head;

Preferably, a sealing ring is embedded in the middle of the surface of the adjusting head, and the outer wall of the sealing ring is contacted with the inner wall of the hose;

Preferably, a needle tube is arranged in the middle of the adjusting head, and the needle tube can enter a pipeline smaller than the outer diameter of the hose;

preferably, one end of the guide pipe is arranged at the other end of the booster pump and connected, and the other end of the guide pipe extends to the inside of the liquid storage tank;

Preferably, scale marks are arranged on the surface of the liquid storage tank, and the capacity of liquid stored in the liquid storage tank can be identified;

The utility model has the technical effects and advantages that: according to the liquid pumping device, through the design of the duckbill valve in the stop tube, the phenomenon that liquid in the hose flows back after the booster pump stops working is effectively prevented, the hose can be stored by the design of the reuse binding band, and the phenomenon that a large number of hoses are scattered is avoided.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic view of the hose and needle tube interface of the present utility model;

FIG. 3 is a schematic elevational cross-sectional view of a flow stop tube of the present utility model;

fig. 4 is a schematic side view of the flow stop tube of the present utility model.

In the figure: 1. a base; 2. a liquid storage tank; 3. a flow guiding pipe; 4. a booster pump; 5. a control box; 6. a hose; 7. a binding belt; 71. a clamping hole; 72. a collar; 73. a clamping roller; 8. a flow stop tube; 81. a duckbill valve; 82. a curved tube; 9. adjusting the head; 91. a roller ring; 92. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a liquid suction device with a backflow prevention function as shown in fig. 1, which comprises:

A hose 6, one end of which is connected to one end of the booster pump 4, and the booster pump 4 is provided to supply power for sucking liquid by the hose 6;

The other end of the booster pump 4 is provided with one end of the flow guide pipe 3 which is connected, and the other end of the flow guide pipe 3 extends to the inside of the liquid storage tank 2; the surface of the liquid storage tank 2 is provided with scale marks, and the capacity of the liquid stored in the liquid storage tank 2 can be identified;

Specifically, the liquid is transferred to the liquid storage tank 2 through the hose 6 and the guide pipe 3, meanwhile, the liquid storage tank 2 is provided with an accommodating space for storing the liquid, and the liquid capacity stored in the liquid storage tank 2 can be read by utilizing scale marks which can be arranged on the surface of the liquid storage tank 2;

one end of the binding belt 7 is fixedly connected with a lantern ring 72, and the binding belt 7 is connected with the hose 6 through the lantern ring 72; a clamping roller 73 is arranged on one side of the collar 72, and the clamping roller 73 is clamped among a plurality of clamping holes 71 clamped on the surface of the strap 7; the inner diameter of the sleeve ring 72 is larger than the outer diameter of the hose 6, and the sleeve ring 72 is sleeved on the surface of the hose 6;

Specifically, when the hose 6 is stored, the hose 6 is bent in a plurality of ways, so that the length of the hose 6 is shortened, the width is increased, the strap 7 is used for encircling the middle position of the plurality of ways of bent hose 6, and meanwhile, the clamping holes 71 Yu Kagun and 73 on the surface of the strap 7 are clamped, so that the strap 7 is fixed in position when encircling the middle of the plurality of ways of bent hose 6; the phenomenon that the hose 6 is scattered after the hands are loosened is avoided;

As shown in fig. 1, 3 and 4, a stop tube 8 is provided on the other end of the hose 6, a duckbill valve 81 is mounted in the middle of the stop tube 8, and the outlet of the duckbill valve 81 is formed by mutually attaching two planes to form a plane sealing surface; a curved pipe 82 is arranged at the outlet of the duckbill valve 81, and the curved pipe 82 is made of rubber;

Specifically, when the sucked liquid enters the stop tube 8 from the hose 6, the pressure in the stop tube 8 is increased gradually, so that the outlet of the duckbill valve 81 is opened, the liquid can smoothly pass through, and after the liquid is sucked, the pressure in the stop tube 8 is not increased, and then the pressure is reduced, so that the duckbill valve 81 is closed, and the liquid originally introduced into the hose 6 cannot flow back;

As shown in fig. 1 and 2, an adjusting head 9 is arranged at the other end opening of the hose 6, and a roller ring 91 is fixedly connected to the surface of the adjusting head 9;

The roller ring 91 protrudes annularly on the outer wall of the adjusting head 9; a sealing ring 92 is embedded in the middle of the surface of the adjusting head 9, and the outer wall of the sealing ring 92 is contacted with the inner wall of the hose 6;

Specifically, the adjusting head 9 is inserted into the ring opening of the hose 6, the ring opening of the hose 6 is opened by the roller ring 91, so that the extrusion force of the adjusting head 9 in the hose 6 is increased, the phenomenon that the adjusting head 9 falls off is avoided, meanwhile, the sealing ring 92 fills up the gap between the adjusting head 9 and the hose 6, and therefore, the phenomenon of liquid leakage cannot occur at the whole opening of the hose 6;

A needle tube is arranged in the middle of the adjusting head 9 and can enter a pipeline smaller than the outer diameter of the hose 6;

the hose 6 can absorb liquid in channels with different pipe diameters through the needle tube, so that the applicability of the device is improved;

working principle: firstly, the device is moved to a proper position, after the binding belt 7 is loosened, the hose 6 is pulled, and then the hose 6 is put into a liquid storage tank which needs to absorb liquid;

Secondly, the booster pump 4 is started through the control box 5, meanwhile, the hose 6 generates suction force to suck liquid, and then the liquid enters the guide pipe 3 through the hose 6 and is transmitted to the liquid storage tank 2 arranged on the base 1 through the guide pipe 3.

In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a drawing liquid device with anti-return function which characterized in that includes:

a hose (6) one end of which is connected with one end of the booster pump (4);

One end of the binding belt (7) is fixedly connected with a lantern ring (72), and the binding belt (7) is connected with the hose (6) through the lantern ring (72); a clamping roller (73) is arranged on one side of the sleeve ring (72), and the clamping roller (73) is clamped among a plurality of clamping holes (71) clamped on the surface of the binding belt (7);

the inner diameter of the sleeve ring (72) is larger than the outer diameter of the hose (6), and the sleeve ring (72) is sleeved on the surface of the hose (6);

The stop tube (8) is arranged at the other end of the hose (6), a duckbill valve (81) is arranged at the middle position of the stop tube (8), and the outlet of the duckbill valve (81) is formed by mutually attaching two planes to form a plane sealing surface; a curved pipe (82) is arranged at the outlet of the duckbill valve (81), and the curved pipe (82) is made of rubber.

2. The liquid extraction device with backflow prevention function according to claim 1, wherein: an adjusting head (9) is arranged at the other end ring opening of the hose (6), and the surface of the adjusting head (9) is fixedly connected with a roller ring (91);

The roller ring (91) protrudes annularly on the outer wall of the adjusting head (9).

3. The liquid drawing device with backflow prevention function according to claim 2, wherein: a sealing ring (92) is embedded in the middle of the surface of the adjusting head (9), and the outer wall of the sealing ring (92) is contacted with the inner wall of the hose (6).

4. The liquid drawing device with backflow prevention function according to claim 2, wherein: the middle of the adjusting head (9) is provided with a needle tube which can enter a pipeline smaller than the outer diameter of the hose (6).

5. The liquid extraction device with backflow prevention function according to claim 4, wherein: one end of a flow guide pipe (3) is arranged at the other end of the booster pump (4) and connected, and the other end of the flow guide pipe (3) extends to the inside of the liquid storage tank (2).

6. The liquid extraction device with backflow prevention function according to claim 5, wherein: the surface of the liquid storage tank (2) is provided with scale marks, and the capacity of liquid stored in the liquid storage tank (2) can be identified.