CN2394963Y - Water supply selecting device from running water and pond - Google Patents

Abstract

A water supply selection device for tap water and pool water, comprising a water supply pipe, a pool water supply branch, a direct supply branch, and an equipment water inlet pipe; the pool water supply branch and the direct supply branch are connected in parallel between the water supply pipe and the equipment water inlet pipe; There are two water supply valves in series on the water supply outlet pipe and the direct supply branch respectively; there is a branch with a pressure relief valve and a water pressure gauge between the two water supply valves connected in series; this device adds anti-seepage and anti-backflow The utility model has the advantages of reliability, can make full use of tap water pressure, avoids the non-stop operation of the pool booster pump, and saves energy.

Description

Water supply selection device for tap water and pool water

The utility model relates to a water supply selection device for tap water and pool water.

People cannot live without water in their daily life and production activities. Some of the water supply companies provide water to people through the municipal water supply network through direct supply, and some supply water equipment; but the water equipment is not allowed to be directly connected to the water pipe. Because when the municipal water supply pipe loses pressure, it may cause the water of the water equipment to pour into the municipal water supply network due to siphoning. Even if there is a valve interval, the quality of the valve or the manual operation will not close tightly, resulting in seepage water and pollution. Municipal water supply network. For this reason, the national standard stipulates that the city's water supply pipe network must pass through a pool equipped with anti-siphon and infiltration equipment before it can supply water to the water equipment. Since the outlet water pressure of the pool is not high, most of the water can be supplied after being pressurized by a booster pump. Water equipment.

But in this way, the hydraulic pressure of tap water cannot be fully utilized, and the booster pump has to run continuously, which consumes electricity and energy, and increases the cost of water equipment.

The purpose of the utility model is to provide a water supply selection device for tap water and pool water that can make full use of tap water pressure under the premise of ensuring no seepage and backflow.

In order to achieve the above object, the utility model can take the following technical measures.

The utility model comprises a municipal water supply pipe, a branch of a pool water supply system, a direct supply branch and a water inlet pipe of water equipment, and is characterized in that: the branch of the pool water supply system and the direct supply branch are connected in parallel between the municipal water supply pipe and the water inlet pipe of water equipment There are two water supply valves in series on the outlet pipe and the direct supply branch of the branch of the pool water supply system; there is a branch with a pressure relief valve and a water pressure gauge between the two water supply valves in series; the water inlet pipe of the water equipment The nozzle is higher than the water equipment and has an anti-siphon bypass pipe with an anti-siphon check valve.

After taking the above-mentioned technical measures, people can freely choose to use tap water or pool water to supply water equipment as long as they properly open or close each water supply valve and pressure relief valve. , greatly increasing the reliability of anti-seepage and anti-backflow.

This makes full use of the tap water pressure, avoids the non-stop operation of the pool booster pump, saves energy, and does not need to stop the water supply to the water equipment for cleaning the pool, and can also increase the water source of the equipment.

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Accompanying drawing is the front view of the utility model.

As can be seen from the accompanying drawings, the utility model includes a municipal water supply pipe 1, a pool water supply system branch 2, a direct supply branch 3 and a water supply equipment inlet pipe 4, and is characterized in that both the pool water supply system branch and the direct supply branch It is connected in parallel between the municipal water supply pipe and the water inlet pipe of water equipment; there are two water supply valves 21, 22 and 31, 32 connected in series respectively on the outlet pipe of the branch of the pool water supply system and the direct supply branch; between the two water supply valves connected in series There is another branch with pressure relief valve 23,33 and water pressure gauge 24,34 between;

When people choose municipal water supply pipes for direct water supply, they can close the two series water supply valves 21 and 22 on the outlet pipes of the branches of the pool water supply system, and open the pressure relief valve 23 until the water pressure gauge 24 indicates zero. , and then open the two series water supply valves 31, 32 of the tap water supply pipe, close the pressure relief valve 33, the tap water enters the water equipment pipe, and at the same time, the anti-siphon check valve is automatically closed due to the water pressure, and the water enters the water equipment; if the municipal water supply When the pipe loses pressure, the anti-siphon check valve will automatically open to prevent siphon; when people choose to supply water to the pool, they can turn it off and open the water supply valves and pressure relief valves to supply water from the pool to the water equipment. Since the tap water supply pipe has two water valves, the reliability of anti-seepage and anti-backflow is greatly increased. In addition, there is a pressure relief valve for pressure relief and a check valve to prevent siphonage, so it can almost be called a 100% anti-seepage and backflow safety device. .

In this way, the tap water pressure can be fully utilized at ordinary times, avoiding the non-stop operation of the pool booster pump, saving energy, and cleaning the pool does not need to stop the water supply to the water equipment, and can also increase the water source of the equipment.

Claims (1)

1, a kind of tap water and tank water water supply selecting arrangement, comprise municipal water supply pipe, tank water water system branch, direct-furnish branch and watering equipment water inlet pipe, it is characterized in that: both are parallel to tank water water system branch, direct-furnish branch between municipal water supply pipe and the watering equipment water inlet pipe; In the outlet pipe of tank water water system branch and direct-furnish branch, be in series with two feed water valves respectively, a branch that has purge valve and a water pressure gauge is arranged again between two feed water valves of series connection; The mouth of pipe of watering equipment water inlet pipe is higher than watering equipment, and has an anti-siphon side that has anti-siphon flap valve to manage.

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