阅读说明：本技术 一种时间控制水路切换装置 (Time control water route auto-change over device ) 是由 鲍鹏飞 郭皓天 于 2019-09-20 设计创作，主要内容包括：本发明提出了一种时间控制水路切换装置,包括阀体、进水通路、A水路、B水路和浮球,所述阀体的浮球腔内设有浮球,所述阀体的一侧设有与浮球腔相通的进水通路,所述阀体的底部设有B水路,所述阀体的上方、下方分别设有A阀座、B阀座,进水通路进水,水压将浮球压在B阀座上,A水路出水,进水通路进水停时,浮球浮起对A阀座密封,B水路出水,浮球腔缓慢排水；当浮球处于进水通路的进水口上方时,进水通路进水,水压将浮球压在A阀座上,B水路出水,进水通路进水停时,浮球随着浮球腔内液面下降下沉,B水路出水。该水路切换装置能够通过时序变化,实现一路电控电磁阀控制两路出水。(The invention provides a time control waterway switching device, which comprises a valve body, a water inlet passage, an A waterway, a B waterway and a floating ball, wherein the floating ball is arranged in a floating ball cavity of the valve body; when the floating ball is positioned above the water inlet of the water inlet passage, water enters the water inlet passage, the floating ball is pressed on the valve seat A by water pressure, water exits from the water passage B, when the water enters the water inlet passage and stops, the floating ball sinks along with the liquid level in the cavity of the floating ball, and the water exits from the water passage B. The waterway switching device can realize that one electric control electromagnetic valve controls two ways of water outlet through time sequence change.)

1. A time control water route auto-change over device which characterized in that: the water-saving valve comprises a valve body (1), a water inlet passage (2), an A water channel (4), a B water channel (5) and a floating ball (6), wherein the floating ball (6) is arranged in a floating ball cavity (10) of the valve body (1), the water inlet passage (2) communicated with the floating ball cavity (10) is arranged on one side of the valve body (1), the B water channel (5) is arranged at the bottom of the valve body (1), an A valve seat (11) communicated with the A water channel (4) is arranged above the valve body (1), a B valve seat (12) communicated with the B water channel (5) is arranged below the valve body (1), the floating ball (6) can move in the floating ball cavity (10), when the floating ball (6) floats and presses on the A valve seat (11), the A water channel (4) is blocked, and when the floating ball (6) sinks and presses on the B valve seat (12), the B water;

when the floating ball (6) is positioned below the water inlet of the water inlet passage (2), water enters the water inlet passage (2), the floating ball (6) is pressed on the valve seat B (12) by water pressure, water is discharged from the waterway A (4), when the water inlet of the water inlet passage (2) is stopped, the floating ball (6) floats to seal the valve seat A (11), the waterway B (5) discharges water, and the floating ball cavity (10) slowly discharges water;

if the water discharge amount of the floating ball cavity (10) is small, when the floating ball (6) is positioned above the water inlet of the water inlet passage (2), the water inlet passage (2) feeds water, the floating ball (6) is pressed on the valve seat A (11) by water pressure, the water outlet of the water channel B (5) is realized, when the water inlet of the water inlet passage (2) is stopped, the floating ball (6) descends along with the liquid level in the floating ball cavity (10), and the water outlet of the water channel B (5) is realized.

2. A time-controlled waterway switching device as recited in claim 1, wherein: the height of the water outlet of the water channel B (5) is more than or equal to the height of the water inlet passage (2).

3. A time-controlled waterway switching device as recited in claim 1, wherein: the branch of the water channel B is provided with a water drainage channel (3), and the outlet of the water drainage channel (3) is lower than the water inlet of the water inlet channel (2).

4. A time controlled waterway switching device as recited in claim 3, wherein: the periphery of the valve seat B (12) is provided with a plurality of through grooves (121) at intervals, the through grooves (121) are communicated with the floating ball cavity (10) and the water channel B (5), and the bottom of the valve seat B (12) is provided with a central hole (122) communicated with the drainage channel (3).

5. A time-controlled waterway switching device as recited in claim 1, wherein: and a plurality of sealing rings which are respectively closely matched with the floating ball cavity (10) and the valve body (1) are sleeved outside the valve seat B (12).

6. A time-controlled waterway switching device as recited in claim 1, wherein: the floating ball (6) comprises a central floater and rubber sealing bodies symmetrically arranged at two ends of the central floater.

7. A time-controlled waterway switching device as recited in claim 1, wherein: and a water valve for switching the water inlet and water inlet stop states of the water inlet passage (2) is arranged on the water inlet passage.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of valves, in particular to a time control waterway switching device.

[ background of the invention ]

In traditional water route switching field, relate to the water route that the multichannel was opened and close in turn, generally adopt manual control or automatically controlled solenoid valve in order to select into the water route, a water valve generally can only control water all the way, and control cost is higher.

In order to solve the above problems, patent No. cn201710057986.x proposes a water supply waterway apparatus for a household appliance, which can realize two-way alternate water intake and automatic switching of water intake between two ways, but the patent currently has some problems: the valve core is switched by inertia, the initial state of the system cannot be predicted, a sensor is required to be added to detect a water outlet waterway, the waterway can be switched sequentially, and a certain path of water cannot be selected to continuously discharge water twice. A time-controlled waterway switching device is proposed.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a time control waterway switching device which can realize that one path of electric control electromagnetic valve controls two paths of water outlet through time sequence change.

In order to achieve the purpose, the invention provides a time control waterway switching device, which comprises a valve body, a water inlet passage, an A waterway, a B waterway and a floating ball, wherein the floating ball is arranged in a floating ball cavity of the valve body;

when the floating ball is positioned below the water inlet of the water inlet passage, water enters the water inlet passage, the floating ball is pressed on the valve seat B by water pressure, the water is discharged from the water channel A, when the water inlet of the water inlet passage is stopped, the floating ball floats to seal the valve seat A, the water is discharged from the water channel B, and the water is slowly discharged from the cavity of the floating ball;

if the water discharge amount of the floating ball cavity is small, when the floating ball is positioned above the water inlet of the water inlet passage, the water inlet passage enters water, the floating ball is pressed on the valve seat A by water pressure, the water outlet of the water channel B is realized, when the water inlet of the water inlet passage is stopped, the floating ball sinks along with the liquid level in the floating ball cavity, and the water outlet of the water channel B is realized.

Preferably, the height of the water outlet of the water channel B is greater than or equal to the height of the water inlet passage.

Preferably, the branch of the water channel B is provided with a drainage channel, and the outlet of the drainage channel is lower than the water inlet of the water inlet channel.

Preferably, the periphery of the valve seat B is provided with a plurality of through grooves at intervals, the through grooves are communicated with the floating ball cavity and the water channel B, and the bottom of the valve seat B is provided with a central hole communicated with the water drainage channel.

Preferably, the valve seat B is sleeved with a plurality of sealing rings which are respectively and tightly matched with the floating ball cavity and the valve body.

Preferably, the floating ball comprises a central floater and rubber sealing bodies symmetrically arranged at two ends of the central floater.

Preferably, the water inlet passage is provided with a water valve for switching the water inlet state and the water inlet stop state.

The invention has the beneficial effects that: the invention can realize that one path of electric control electromagnetic valve controls two paths of water outlet through time sequence change. The movable floating ball is arranged in the floating ball cavity, the floating ball is controlled to move through water flow energy of the floating ball cavity, so that switching of on and off of the water paths is achieved, when one water path is fed into the water path and the other water path is discharged out of the water path, the other water path can be blocked, and the purpose that water can be continuously discharged twice by selecting one path of water is achieved.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic view of the natural state of the embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the state of water inflow in example 1 of the present invention;

FIG. 3 is a schematic view showing a floating ball floating in a water inlet stop state according to embodiment 1 of the present invention;

FIG. 4 is a schematic view showing a state in which a small amount of water is discharged from a floating ball cavity, a floating ball is positioned above a water inlet, and water enters the floating ball cavity in embodiment 1 of the present invention;

FIG. 5 is a schematic view showing a floating ball sinking with a liquid level in a water inlet stop state according to embodiment 1 of the present invention;

FIG. 6 is a left side view schematically showing the natural state of embodiment 2 of the present invention;

FIG. 7 is a top view structural view of embodiment 1 of the present invention;

fig. 8 is a schematic cross-sectional view taken along line D-D of fig. 7.

[ detailed description ] embodiments