CN202401524U - Water supply tank provided with safe water feeding protector capable of accurately controlling liquid level - Google Patents

Abstract

The utility model relates to a water supply tank with an accurate and safe water inlet protection device for liquid level control, including a water tank body, a water inlet pipe, a drain pipe and a water outlet pipe. The water inlet pipe is arranged on the top surface of the water tank body, and the drain pipe is arranged The bottom surface of the water tank body, the outlet pipe is set on the front of the water tank body, including an air filter device, an overflow pipe and a liquid level control accurate and safe water inlet protection device, the air filter device is set on the top of the water tank body, and the overflow pipe is set On the upper part of the side of the water tank, the liquid level control is accurate and the safety water inflow protection device is set on the top of the water tank; through this technical scheme, a float pilot valve and a solenoid valve are installed on the remote control float valve of the water inlet pipeline to ensure the water tank more effectively. The water inlet is safe and reliable, the liquid level control of the remote control float valve is accurate, the opening and closing are tight and no water leakage, the float ball is flexible, and the maintenance is simple.

Description

Water supply tank with accurate liquid level control and safe water ingress protection device

technical field

The utility model relates to a water supply tank, in particular to a water supply tank with an accurate and safe water inflow protection device for liquid level control.

Background technique

In the existing water supply equipment of water supply tanks, most of the water inlets of the water supply tanks are equipped with mechanical remote control float valves, but in this way, due to the use of the equipment for many years, the float valves are often damaged or the opening and closing will fail. The water in the municipal pipe network will flow into the water tank continuously, and the water will overflow the water tank through the overflow pipe. If there is no supervision, it will cause the pump room to be submerged, and even cause more serious accidents.

Utility model content:

In view of this, the purpose of this utility model is to provide a water supply tank with an accurate and safe water inflow protection device for liquid level control. Through this technical solution, it can really play the function of water tank peak regulation and storage, and the liquid level control can be accurately realized. The difference compensation water supply tank ensures the safety of the water supply tank.

In order to achieve the above purpose, the technical solution adopted by the utility model to solve the above technical problems is: a water supply tank with an accurate and safe water inlet protection device for liquid level control, including a water tank body, a water inlet pipe, a water discharge pipe and a water outlet pipe. The water inlet pipe is arranged on the top surface of the water tank body, the drain pipe is arranged on the bottom surface of the water tank body, and the water outlet pipe is arranged on the front of the water tank body, including an air filter device, an overflow pipe and an accurate and safe water inlet protection device for liquid level control. The air filtering device is arranged on the top of the water tank body, the overflow pipe is arranged on the upper side of the water tank body, and the liquid level control is accurate and the safe water ingress protection device is arranged on the top of the water tank body.

The liquid level control is accurate and the water inflow protection device is composed of a remote control float valve, a float pilot valve, a solenoid valve and a needle valve. One end of the needle valve is connected with the upper chamber of the remote control float valve through a connecting pipe, and the The other end communicates with the water inlet chamber of the remote control float valve through a connecting pipe, and the float guide valve communicates with the upper chamber of the remote control float valve through a connecting pipe through a solenoid valve, and a float ball is arranged on the float guide valve. When the float pilot valve is opened, it communicates with the water tank body.

The remote control float valve includes an upper casing, a lower casing, a partition, a valve seat, a disc and a spring, and a partition is arranged in the lower casing to divide the inner cavity of the lower casing into a water inlet chamber and a water outlet chamber. A valve port is arranged on the plate, and a valve seat is arranged at the valve port. The upper casing is buckled on the lower casing, and a valve stem is arranged in the upper casing, and the spring and the valve disc are sequentially set on the valve stem. , the lower end of the valve stem is inserted into the valve seat, the upper end of the spring is pressed against the upper shell, and the lower end of the spring is pressed against the valve clack, the upper cavity is formed between the valve clack and the upper shell, and the remote control float valve is in In the closed state, the lower part of the disc is pressed against the valve port.

A liquid level sensor is arranged in the body of the water tank, and the liquid level sensor is electrically connected with the electromagnetic valve through a control circuit.

The beneficial effect of adopting the above technical solution is: a water supply tank with an accurate and safe water inlet protection device for liquid level control. Through this technical solution, it is more effective to install a float pilot valve and a solenoid valve on the remote control float valve of the water inlet pipeline. It guarantees the safe and reliable water intake of the water tank, accurate control of the liquid level of the remote control float valve, tight opening and closing without water leakage, flexible float ball, and simple maintenance.

Description of drawings

Fig. 1 is a schematic structural view of the utility model in a water-flowing state.

Fig. 2 is a structural schematic diagram of the utility model in a steady state of water level.

Fig. 3 is a structural schematic diagram of the accurate and safe water ingress protection device for liquid level control in the utility model.

Among them, 1 water inlet pipe, 2 accurate and safe water inlet protection device for liquid level control, 3 air filter device, 4 overflow pipe, 5 drain pipe, 6 water outlet pipe, 7 water tank body, 8 float pilot valve, 9 solenoid valve, 10 upper chamber, 11 needle valve, 12 water inlet chamber, 13 water outlet chamber, 14 disc, 15 spring, 16 floating ball, 17 valve port, 18 valve seat, 19 partition, 20 lower shell, 21 upper shell, 22 remote control float valve, 23 valve stem.

Detailed ways

The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 and Fig. 2, the water supply water tank of the liquid level control accurate safety water inflow protection device that the utility model relates to, comprises water tank box body 7, water inlet pipe 1, drain pipe 5 and water outlet pipe 6, and described water inlet pipe 1 Set on the top surface of the water tank body 7, the drain pipe 5 is set on the bottom surface of the water tank body 7, and the outlet pipe 6 is set on the front of the water tank body 7, including the air filter device 3, the overflow pipe 4 and the liquid level control for accurate and safe water inlet protection Device 2, the air filtering device 3 is arranged on the top of the water tank body 7, the overflow pipe 4 is arranged on the side upper part of the water tank body 7, and the liquid level control is accurate and the safe water ingress protection device 2 is arranged on the top of the water tank body 7.

The liquid level control is accurate and safe, and the water inflow protection device 2 is composed of a remote control float valve 22, a float pilot valve 8, a solenoid valve 9 and a needle valve 11. One end of the needle valve 11 is connected to the upper part of the remote control float valve 22 The chamber 10 is connected, and the other end of the needle valve 11 is connected with the water inlet chamber 12 of the remote control float valve 22 through a connecting pipe. The floating ball pilot valve 8 is provided with a floating ball 16, which communicates with the water tank body 7 when the floating ball pilot valve 8 is opened.

The remote control float valve 22 includes an upper housing 21, a lower housing 20, a partition 19, a valve seat 18, a valve disc 14 and a spring 15, and a partition 19 is arranged in the lower housing 20, and the lower housing 20 The inner cavity is divided into a water inlet chamber 12 and a water outlet chamber 13, a valve port 17 is provided on the partition 19, a valve seat 18 is provided at the valve port 17, the upper housing 21 is fastened on the lower housing 20, and the upper housing 21 The housing 21 is provided with a valve stem 23, the spring 15 and the valve disc 14 are sequentially set on the valve stem 23, the lower end of the valve stem 23 is inserted into the valve seat 18, and the upper end of the spring 15 is pressed against the upper housing 21, the lower end of the spring 15 is pressed against the valve disc 14, and the upper chamber 10 is formed between the upper part of the valve disc 14 and the upper housing 21. When the remote control float valve 22 is in the closed state, the lower part of the valve disc 14 is pressed against the valve port 17. .

The water tank body 7 is provided with a liquid level sensor 24, and the liquid level sensor 24 is electrically connected with the solenoid valve 9 through a control circuit.

During normal operation, the water under pressure of the water supply pipe network enters the remote control float valve 22 from the water inlet chamber 12, and part of the incoming water under pressure of the water supply pipe network enters the upper chamber 10 through the needle valve 11, and the needle valve 11 can The pressure and volume of incoming water entering the upper chamber 10 are adjusted; when entering into the water tank 7 normally, the solenoid valve 9 is in an open state, and the incoming water in the upper chamber 10 enters through the solenoid valve 9 and the float pilot valve 8 In the water tank body 7, at this time, the upper cavity 10 of the remote control float valve 22 is in a low pressure state, and the main incoming water entering the remote control float valve 22 overcomes the active force of the spring 15, and the valve disc 14 is opened to the water tank through the water outlet cavity 13. Body 7 water supply.

After the water tank 7 is full of water, the floating ball 16 rises to close the floating ball guide valve 8, the pressure of the upper chamber 10 rises and the disc 14 presses against the valve port 17, the remote control floating ball valve 22 is in a closed state, and the water supply to the water tank 7 is stopped .

When the electromagnetic valve 9 is controlled, although the floating ball 16 descends, the floating ball pilot valve 8 is in an open state, and the opening and closing of the electromagnetic valve 9 can be controlled by the water level sensor 24, so as to achieve the progress of the two-way controlled water tank body 7. water.

The above descriptions are only preferred feasible embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model.

Claims (4)

1. A water supply tank with an accurate and safe water inlet protection device for liquid level control, comprising a water tank body, a water inlet pipe, a water discharge pipe and a water outlet pipe, the water inlet pipe is arranged on the top surface of the water tank body, and the water discharge pipe is arranged on the water tank The bottom surface of the tank body, the water outlet pipe is arranged on the front of the water tank body, and it is characterized in that it includes an air filter device, an overflow pipe and an accurate and safe water inlet protection device for liquid level control. The flow pipe is arranged on the side upper part of the water tank body, and the liquid level control is accurate and the safe water ingress protection device is arranged on the top of the water tank body. 2. The water supply tank with an accurate and safe water inflow protection device for liquid level control according to claim 1, wherein the water inflow protection device for accurate liquid level control is composed of a remote control float valve, a float pilot valve, an electromagnetic Valve and needle valve, one end of the needle valve communicates with the upper chamber of the remote control float valve through a connecting pipe, the other end of the needle valve communicates with the water inlet chamber of the remote control float valve through a connecting pipe, the float pilot valve The connecting pipe communicates with the upper chamber of the remote control float valve through the electromagnetic valve, the float pilot valve is provided with a float ball, and communicates with the water tank when the float pilot valve is opened. 3. The water supply tank with accurate liquid level control and safe water inflow protection device according to claim 2, characterized in that, the remote control float valve includes an upper shell, a lower shell, a partition, a valve seat, a valve A clapboard and a spring are provided in the lower shell, and the inner cavity of the lower shell is divided into a water inlet chamber and a water outlet chamber. A valve port is arranged on the partition plate, and a valve seat is arranged at the valve port. The upper shell buckle Installed on the lower casing, the upper casing is provided with a valve stem, the spring and the valve disc are sequentially set on the valve stem, the lower end of the valve stem is inserted into the valve seat, and the upper end of the spring is pressed against the upper casing On the top, the lower end of the spring presses against the disc, and an upper chamber is formed between the top of the disc and the upper housing. When the remote control float valve is in the closed state, the lower part of the disc presses against the valve port. 4. The water supply tank with an accurate and safe water inflow protection device for liquid level control according to claim 2 or 3, wherein a liquid level sensor is arranged in the water tank body, and the liquid level sensor communicates with the control circuit through a control circuit. The solenoid valves are electrically connected.

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