Pipeline accumulated water drainage structure and milk mixing device thereof

Abstract

The utility model relates to a pipeline accumulated water drainage structure and a milk mixing device thereof, the pipeline accumulated water drainage structure comprises an electromagnetic valve used for controlling an air path and a water path to be opened and closed, and further comprises a water pump connected with the electromagnetic valve, the electromagnetic valve is not electrified, the air inlet end of the air path is closed, the liquid inlet end of the water path is opened, and the water pump pumps liquid in the water path; when the electromagnetic valve is powered on, the air inlet end of the air channel is opened, the liquid inlet end of the water channel is closed, and the water pump pumps outside air into the electromagnetic valve and the water pump through the air channel to discharge accumulated water in the electromagnetic valve and the water pump. By discharging accumulated water in the electromagnetic valve and the water pump, liquid in a water path is prevented from being mixed with the accumulated water in the electromagnetic valve and the water pump when the machine runs, and meanwhile, the cleanliness of a connecting pipeline between the electromagnetic valve and the water pump is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of draining accumulated water from pipelines, in particular to a pipeline accumulated water draining structure and a milk mixer thereof. Background Art

[0002] The milk mixer draws liquid from its water storage container through a water pump and a pipe. After the water pump stops working, water accumulates on the pipe. When the machine starts again, the liquid drawn from the water storage container by the water pump will mix with the accumulated water on the pipe, thus affecting the milk mixing effect of the milk mixer.

[0003] Therefore, further improvement is needed. Utility Model Content

[0004] The utility model aims to provide a pipeline water discharge structure and a milk mixer thereof, which can discharge the accumulated water in the solenoid valve and the water pump to avoid the mixing of the liquid in the water channel with the accumulated water in the solenoid valve and the water pump when the machine is running, while maintaining the cleanliness of the connecting pipeline between the solenoid valve and the water pump.

[0005] The purpose of the utility model is achieved in this way:

[0006] A structure for draining accumulated water from a pipeline includes a solenoid valve for controlling the opening and closing of an air path and a water path, and also includes a water pump connected to the solenoid valve.

[0007] The solenoid valve is not energized, the air inlet end of the gas circuit is closed, the liquid inlet end of the water circuit is opened, and the water pump draws liquid from the water circuit;

[0008] The solenoid valve is energized, the air inlet end of the gas circuit is opened, the liquid inlet end of the water circuit is closed, and the water pump draws outside air into the solenoid valve and water pump through the gas circuit to discharge the accumulated water in the solenoid valve and water pump.

[0009] A one-way valve is provided on the air inlet end of the air circuit to prevent liquid leakage.

[0010] The water pump is provided with a water inlet end connected to the solenoid valve, and a water outlet end connected to the water outlet pipe;

[0011] The solenoid valve is not energized, and the liquid in the water circuit flows into the outlet pipe along the solenoid valve and water pump;

[0012] When the solenoid valve is energized, the liquid remaining in the solenoid valve and water pump enters the water outlet pipe under the action of air pressure.

[0013] The water outlet pipe is provided with a liquid flow meter for detecting the flow of liquid entering the water outlet pipe.

[0014] A movable valve core is arranged inside the solenoid valve; when the solenoid valve is not energized, the valve core blocks the air inlet end of the gas path; when the solenoid valve is energized, the valve core moves and blocks the liquid inlet end of the water path.

[0015] The air circuit and the water circuit are arranged opposite to each other in the solenoid valve, and the valve core moves back and forth laterally between the air circuit and the water circuit, and a compression spring and a magnetic field acting part acting on the valve core are arranged in the solenoid valve. When the solenoid valve is not energized, the compression spring releases its elastic force and elastically acts on the valve core, so that the valve core blocks the air inlet end of the air circuit; when the solenoid valve is energized, the magnetic field acting part generates magnetic force and adsorbs the valve core, and the magnetic force of the magnetic field acting part acting on the valve core is greater than the elastic force of the compression spring acting on the valve core, so that the valve core moves toward the liquid inlet end of the water circuit, so that the valve core blocks the liquid inlet end of the water circuit.

[0016] One end of the water outlet pipe is provided with a water outlet part.

[0017] The solenoid valve is provided with a first connection end for connecting to an air circuit, a second connection end for connecting to a water circuit, and a third connection end for connecting to a water pump.

[0018] One end of the water channel is connected to the electromagnetic valve, and the other end of the water channel is connected to the water storage container. When the electromagnetic valve is not energized, the water pump extracts liquid from the water storage container through the water channel.

[0019] A connecting pipe is arranged between the electromagnetic valve and the water pump, and the electromagnetic valve and the water pump are connected through the connecting pipe.

[0020] A milk mixer comprises a water storage container and the above-mentioned pipeline water discharge structure. A control circuit board is arranged on the base of the milk mixer, and a solenoid valve and a water pump are electrically connected to the control circuit board through wires.

[0021] A heater and a temperature sensor for detecting the temperature of the water storage container are arranged on the bottom of the water storage container. The heater and the temperature sensor are electrically connected to a control circuit board respectively.

[0022] The beneficial effects of the utility model are as follows:

[0023] By draining the accumulated water in the solenoid valve and water pump, it is possible to prevent the liquid in the water channel from mixing with the accumulated water in the solenoid valve and water pump when the machine is running. At the same time, the cleanliness of the connecting pipes between the solenoid valve and the water pump is maintained to avoid affecting the milk mixing effect of the milk mixer and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The figure is a schematic diagram of the connection structure among the water pump, the solenoid valve, the air circuit and the water circuit in one embodiment of the utility model.

[0025] Figure 2 This is a schematic diagram of the internal structure of a solenoid valve according to an embodiment of the utility model.

[0026] Figure 3 This is a structural schematic diagram of a milk mixer according to an embodiment of the utility model, in which a pipeline for draining accumulated water is provided.

[0027] Figure 4The figure is a schematic diagram of the three-dimensional structure of a milk mixer according to an embodiment of the present invention. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0029] See also Figure 1-Figure 4 A structure for draining water from a pipeline includes a solenoid valve 1 for controlling the opening and closing of an air path 2 and a water path 3, and also includes a water pump 4 connected to the solenoid valve 1.

[0030] The solenoid valve 1 is not energized, the air inlet end of the air circuit 2 is closed, the liquid inlet end of the water circuit 3 is opened, and the water pump 4 extracts the liquid from the water circuit 3;

[0031] When the electromagnetic valve 1 is energized, the air inlet end of the gas circuit 2 is opened, the liquid inlet end of the water circuit 3 is closed, and the water pump 4 draws outside air into the electromagnetic valve 1 and the water pump 4 through the gas circuit 2 to discharge the accumulated water in the electromagnetic valve 1 and the water pump 4. The water pump 4 draws the gas entering the gas circuit 2 through the gas circuit 2, and the gas enters the water pump 4 along the gas circuit 2 and the electromagnetic valve 1. The accumulated water in the electromagnetic valve 1 and the water pump 4 flows to the outside of the water pump 4 under the action of the air pressure.

[0032] A one-way valve for preventing liquid leakage is provided on the air inlet end of the air path 2 to prevent the liquid from leaking out through the air inlet end of the air flow 2.

[0033] The water pump 4 is provided with a water inlet end 5 for connecting to the solenoid valve 1, and a water outlet end 6 connected to the water outlet pipe 7;

[0034] When the electromagnetic valve 1 is not energized, the liquid in the water path 3 flows along the electromagnetic valve 1 and the water pump 4 into the water outlet pipe 7;

[0035] The solenoid valve 1 is energized, and the liquid remaining in the solenoid valve 1 and the water pump 4 enters the water outlet pipe 7 under the action of air pressure.

[0036] The water outlet pipe 7 is provided with a liquid flow meter for detecting the flow of liquid entering the water outlet pipe 7 .

[0037] A movable valve core is arranged in the solenoid valve 1; when the solenoid valve 1 is not energized, the valve core blocks the air inlet end of the air path 2; when the solenoid valve 1 is energized, the valve core moves and blocks the liquid inlet end of the water path 3.

[0038] The gas circuit 2 and the water circuit 3 are arranged on the solenoid valve 1 in opposite directions, and the valve core 15 reciprocates laterally between the gas circuit 2 and the water circuit 3, and a compression spring 16 and a magnetic field acting member acting on the valve core 15 are provided in the solenoid valve 1. When the solenoid valve 1 is not energized, the compression spring 16 releases its elastic force and elastically acts on the valve core 15, so that the valve core 15 blocks the air inlet end of the gas circuit 2; when the solenoid valve 1 is energized, the magnetic field acting member generates a magnetic force and adsorbs the valve core 15, and the magnetic force of the magnetic field acting member acting on the valve core 15 is greater than the elastic force of the compression spring 16 acting on the valve core 15, so that the valve core 15 moves toward the liquid inlet end of the water circuit 3, so that the valve core 15 blocks the liquid inlet end of the water circuit 3.

[0039] In this embodiment, sealing plugs are respectively provided at both ends of the valve core 15 .

[0040] In this embodiment, the magnetic field acting member is a magnetic field acting member such as an electromagnetic coil.

[0041] The valve core moves by the power on or off of the solenoid valve 1 to control the opening and closing states of the gas circuit 2 and the water circuit 3.

[0042] In this embodiment, a water outlet member 14 is provided at one end of the water outlet pipe 7 .

[0043] The solenoid valve 1 is provided with a first connection end 8 for connecting to the gas circuit 2 , a second connection end 9 for connecting to the water circuit 3 , and a third connection end 12 for connecting to the water pump 4 .

[0044] One end of the water channel 3 is connected to the electromagnetic valve 1 , and the other end of the water channel 3 is connected to the water storage container 10 . The electromagnetic valve 1 is not energized, and the water pump 4 extracts liquid from the water storage container 10 through the water channel 3 .

[0045] A connecting pipe 13 is provided between the solenoid valve 1 and the water pump 4 , and the solenoid valve 1 and the water pump 4 are connected via the connecting pipe 13 .

[0046] A milk mixer comprises a water storage container 10 and the above-mentioned pipeline drainage structure. A control circuit board 11 is arranged on the base of the milk mixer. The solenoid valve 1 and the water pump 4 are electrically connected to the control circuit board 11 through wires.

[0047] A heater and a temperature sensor for detecting the temperature of the water storage container 10 are provided on the bottom of the water storage container 10 .

[0048] The temperature sensor can prevent dry burning and can also detect the temperature of the liquid in the water storage container 10. The heater and the temperature sensor are electrically connected to the control circuit board 11 respectively.

[0049] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pipeline water drainage structure, characterized in that: It comprises a solenoid valve (1) for controlling the opening and closing of a gas circuit (2) and a water circuit (3), and also comprises a water pump (4) connected to the solenoid valve (1). The solenoid valve (1) is not energized, the air inlet end of the air circuit (2) is closed, the liquid inlet end of the water circuit (3) is opened, and the water pump (4) extracts liquid from the water circuit (3); The solenoid valve (1) is energized, the air inlet end of the air circuit (2) is opened, the liquid inlet end of the water circuit (3) is closed, and the water pump (4) draws outside air through the air circuit (2) into the solenoid valve (1) and the water pump (4) to discharge the accumulated water in the solenoid valve (1) and the water pump (4).

2. The pipeline water drainage structure according to claim 1, characterized in that: A one-way valve is provided on the air inlet end of the air circuit (2) for preventing liquid leakage.

3. The pipeline water drainage structure according to claim 1, characterized in that: The water pump (4) is provided with a water inlet end (5) for connecting to the solenoid valve (1), and a water outlet end (6) connected to the water outlet pipe (7); When the solenoid valve (1) is not energized, the liquid in the water path (3) flows along the solenoid valve (1) and the water pump (4) into the water outlet pipe (7); When the solenoid valve (1) is energized, the liquid remaining in the solenoid valve (1) and the water pump (4) enters the water outlet pipe (7) under the action of air pressure.

4. The pipeline water drainage structure according to claim 3, characterized in that: The water outlet pipe (7) is provided with a liquid flow meter for detecting the flow of liquid entering the water outlet pipe (7).

5. The pipeline water drainage structure according to claim 1, characterized in that: A movable valve core (15) is provided in the solenoid valve (1); when the solenoid valve (1) is not energized, the valve core (15) blocks the air inlet end of the air path (2); when the solenoid valve (1) is energized, the valve core (15) moves and blocks the liquid inlet end of the water path (3).

6. The pipeline water drainage structure according to claim 5, characterized in that: The gas path (2) and the water path (3) are arranged on the solenoid valve (1) in opposite directions, the valve core (15) moves back and forth transversely between the gas path (2) and the water path (3), and a compression spring (16) and a magnetic field acting member acting on the valve core (15) are provided in the solenoid valve (1). When the solenoid valve (1) is not energized, the compression spring (16) releases its elastic force and elastically acts on the valve core (15), so that the valve core (15) blocks the air inlet end of the gas path (2); When the solenoid valve (1) is energized, the magnetic field acting member generates a magnetic force and attracts the valve core (15). The magnetic force of the magnetic field acting member on the valve core (15) is greater than the elastic force of the compression spring (16) on the valve core (15), causing the valve core (15) to move toward the liquid inlet end of the water path (3), so that the valve core (15) blocks the liquid inlet end of the water path (3).

7. The pipeline water drainage structure according to claim 1, characterized in that: The solenoid valve (1) is provided with a first connection end (8) for connecting to an air circuit (2), a second connection end (9) for connecting to a water circuit (3), and a third connection end (12) for connecting to a water pump (4).

8. The pipeline water drainage structure according to claim 1, characterized in that: One end of the water channel (3) is connected to the electromagnetic valve (1), and the other end of the water channel (3) is connected to the water storage container (10). When the electromagnetic valve (1) is not energized, the water pump (4) extracts liquid from the water storage container (10) through the water channel (3).

9. A milk mixer, comprising a water storage container (10), characterized in that: It also comprises the pipeline water drainage structure according to any one of claims 1 to 6, wherein a control circuit board (11) is provided on the base of the milk mixer, and the solenoid valve (1) and the water pump (4) are electrically connected to the control circuit board (11) via wires.

10. The milk mixer according to claim 9, characterized in that: A heater and a temperature sensor for detecting the temperature of the water storage container (10) are provided on the bottom of the water storage container (10); the heater and the temperature sensor are electrically connected to the control circuit board (11) respectively.

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