阅读说明：本技术 一种水路切换浮球阀 (Water route switching float valve ) 是由 鲍鹏飞 郭浩天 于 2020-11-26 设计创作，主要内容包括：本发明提出了一种水路切换浮球阀,包括阀体、第一浮球腔、第二浮球腔、第一浮球和第二浮球,所述阀体的下方具有进水通路A、进水通路B,上方具有出水通路,所述阀体内具有第一浮球腔、第二浮球腔,所述第一浮球可在第一浮球腔内移动,所述第二浮球可在第二浮球腔内移动,所述第一浮球腔与所述第二浮球腔之间具有将两者连通的通道,所述出水通路包括与第一浮球腔相通的出水通路A、与第二浮球腔相通的出水通路B、以及与通道相通的出水通路C,所述通道与所述出水通路C之间设有将两者连通的小孔,该浮球阀采用机械式控制,两路进水同开,即使水阀进水、关阀信号延迟,也不会造成误投放。(The invention provides a waterway switching floating ball valve, which comprises a valve body, a first floating ball cavity, a second floating ball cavity, a first floating ball and a second floating ball, wherein a water inlet passage A and a water inlet passage B are arranged below the valve body, a water outlet passage is arranged above the valve body, the valve body is internally provided with the first floating ball cavity and the second floating ball cavity, the first floating ball can move in the first floating ball cavity, the second floating ball can move in the second floating ball cavity, a channel for communicating the first floating ball cavity with the second floating ball cavity is arranged between the first floating ball cavity and the second floating ball cavity, the water outlet passage comprises a water outlet passage A communicated with the first floating ball cavity, a water outlet passage B communicated with the second floating ball cavity and a water outlet passage C communicated with the channel, a small hole for communicating the first floating ball cavity with the second floating ball cavity and the second floating ball cavity is arranged between the channel and the water outlet passage C, the floating ball valve is controlled by a mechanical mode, namely, two water inlets are opened simultaneously, The valve closing signal is delayed, and the mistaken throwing cannot be caused.)

1. The utility model provides a water route switches ball-cock assembly which characterized in that: comprises a valve body (1), a first floating ball cavity (2), a second floating ball cavity (3), a first floating ball (4) and a second floating ball (5), wherein a water inlet passage A (11) and a water inlet passage B (12) are arranged below the valve body (1), a water outlet passage (13) is arranged above the valve body, the valve body (1) is internally provided with the first floating ball cavity (2) and the second floating ball cavity (3), the first floating ball (4) can move in the first floating ball cavity (2), the second floating ball (5) can move in the second floating ball cavity (3), a channel (14) for communicating the first floating ball cavity (2) and the second floating ball cavity (3) is arranged between the first floating ball cavity (2) and the second floating ball cavity (3), the water outlet passage (13) comprises a water outlet passage A (131) communicated with the first floating ball cavity (2), a water outlet passage B (132) communicated with the second floating ball cavity (3) and a water outlet passage C (133) communicated with the water outlet passage (14), a small hole (15) for communicating the channel (14) and the water outlet passage C (133) is arranged between the channel and the water outlet passage C.

2. The waterway switching float valve of claim 1, wherein: the apertures of the minimum inner diameters of the inner cavities of the water outlet passage A (131), the water outlet passage B (132) and the water outlet passage C (133) are all larger than the aperture of the small hole (15).

3. The waterway switching float valve of claim 1, wherein: the sealing device is characterized in that a sealing piece (41) is arranged above the first floating ball (4), an arc-shaped sealing surface (410) is arranged on the outer ring of the top of the sealing piece (41), a sealing piece (42) is installed at the bottom of the first floating ball (4), and the first floating ball (4) and the second floating ball (5) are identical in structure.

4. The waterway switching float valve of claim 1, wherein: first disk seat (21) and second valve seat (31) are installed respectively to the bottom in first floater chamber (2), second floater chamber (3), first disk seat (21) the outer wall of second disk seat (31) is equipped with first sealing washer (6) with valve body (1) looks closely complex respectively, when first floater (4) sink to press on first disk seat (21), shutoff inhalant canal A (11), when second floater (5) sink to press on second disk seat (31), shutoff inhalant canal B (12).

5. The waterway switching float valve of claim 1, wherein: the top of the first floating ball cavity (2) and the top of the second floating ball cavity (3) are respectively provided with a first water outlet (22) and a second water outlet (32), the first floating ball (4) is floated and pressed at the first water outlet (22) to block the water outlet passage A (131), and the second floating ball (5) is floated and pressed at the second water outlet (32) to block the water outlet passage B (132).

6. The waterway switching float valve of claim 1, wherein: the structure of first floater chamber (2), second floater chamber (3) is the same, the symmetrical setting, the structure of inhalant canal A (11), inhalant canal B (12) is the same, the symmetrical setting, the structure of exhalant canal A (131), exhalant canal B (132) is the same, the symmetrical setting.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of valves, in particular to a waterway switching float valve.

[ background of the invention ]

With the improvement of the automation of the washing machine, most of the washing machines are provided with a detergent box for placing detergent or/and softener and a water inlet pipeline, and the detergent or/and softener in the detergent box is flushed into a washing barrel through water inlet. The invention patent with the application number of 201811486646.X discloses a detergent dispensing system, and when the functions of the system are switched, the next function switching can be carried out only when water in the system is discharged (small holes are arranged in the system for water discharge, and after the water is discharged, a floating ball falls, and the density of the floating ball is smaller than that of the water). The small hole size can influence the drainage speed, and the small hole is too small, easy jam, drainage time is too big. Too large a hole will result in too large a switching state and unstable function.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a waterway switching float valve which can solve the problem that the waterway switching function time of a detergent putting system is too long.

In order to achieve the purpose, the invention provides a waterway switching float valve, which comprises a valve body, a first float ball cavity, a second float ball cavity, a first float ball and a second float ball, wherein a water inlet passage A and a water inlet passage B are arranged below the valve body, a water outlet passage is arranged above the valve body, the valve body is internally provided with the first float ball cavity and the second float ball cavity, the first float ball can move in the first float ball cavity, the second float ball can move in the second float ball cavity, a channel for communicating the first float ball cavity with the second float ball cavity is arranged between the first float ball cavity and the second float ball cavity, the water outlet passage comprises a water outlet passage A communicated with the first float ball cavity, a water outlet passage B communicated with the second float ball cavity and a water outlet passage C communicated with the channel, and a small hole for communicating the passage A with the water outlet passage C is arranged between the channel and the water outlet passage C.

Preferably, the apertures of the minimum inner diameters of the inner cavities of the water outlet passage A, the water outlet passage B and the water outlet passage C are all larger than the apertures of the small holes.

Preferably, a blocking piece is arranged above the first floating ball, an arc-shaped sealing surface is arranged on an outer ring at the top of the blocking piece, a sealing piece is arranged at the bottom of the first floating ball, and the first floating ball and the second floating ball are identical in structure.

Preferably, first disk seat and second disk seat are installed respectively to the bottom in first floater chamber, second floater chamber, first disk seat the outer wall of second disk seat is equipped with the first sealing washer with valve body looks close fit respectively, when first floater sinks to press on first disk seat, shutoff inhalant canal A, when the second floater sinks to press on the second disk seat, shutoff inhalant canal B.

Preferably, the top of the first floating ball cavity and the top of the second floating ball cavity are respectively provided with a first water discharge port and a second water discharge port, the first floating ball blocks the water outlet passage a when floating and pressing on the first water discharge port, and the second floating ball blocks the water outlet passage B when floating and pressing on the second water discharge port.

Preferably, the first and second float ball chambers have the same structure and are symmetrically arranged, the water inlet passage a and the water inlet passage B have the same structure and are symmetrically arranged, and the water outlet passage a and the water outlet passage B have the same structure and are symmetrically arranged.

The invention has the beneficial effects that: compared with the prior art, the improved scheme has no small holes, the density of the floating ball is larger than that of water through design, drainage is not needed, the falling time of the floating ball is stable, and the drainage speed cannot be influenced. In addition, this scheme adopts mechanical type control, and two tunnel are intake and are opened simultaneously, even the water valve is intake, close valve signal delay, can not cause the mistake and put in. The floating ball valve can control the two water inlet passages to simultaneously feed water through the cavity capable of storing liquid in the valve body; and after the two paths of water are fed, one path of water is closed, the floating ball above the water path is still in a floating state, and the water is discharged from the water outlet and is discharged from the closed water path.

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 internal structure of a waterway switching float valve of the present invention in a non-water-intake state;

FIG. 2 is a schematic view of the internal structure of a waterway switch float valve in a single water inlet state according to the present invention;

FIG. 3 is a schematic structural view of a waterway switching float valve in a state of two-way water inflow;

fig. 4 is a schematic view of the internal structure of the float valve for switching the water path to two water paths and closing one water path.

[ detailed description ] embodiments

Referring to fig. 1 to 4, the waterway switching float valve of the present invention includes a valve body 1, a first float chamber 2, a second float chamber 3, a first float 4 and a second float 5, the lower part of the valve body 1 is provided with a water inlet passage A11 and a water inlet passage B12, the upper part is provided with a water outlet passage 13, the valve body 1 is internally provided with a first floating ball cavity 2 and a second floating ball cavity 3, the first floating ball 4 can move in the first floating ball cavity 2, the second floating ball 5 can move in the second floating ball cavity 3, a channel 14 for communicating the first floating ball cavity 2 with the second floating ball cavity 3 is arranged between the two floating ball cavities, the water outlet passage 13 comprises a water outlet passage A131 communicated with the first floating ball cavity 2, a water outlet passage B132 communicated with the second floating ball cavity 3 and a water outlet passage C133 communicated with the channel 14, a small hole 15 for communicating the channel 14 and the water outlet passage C133 is provided therebetween.

Further, the apertures of the minimum inner diameters of the inner cavities of the water outlet passage a131, the water outlet passage B132 and the water outlet passage C133 are all larger than the aperture of the small hole 15.

Further, a blocking piece 41 is arranged above the first floating ball 4, an arc-shaped sealing surface 410 is arranged on the outer ring of the top of the blocking piece 41, a sealing piece 42 is arranged at the bottom of the first floating ball 4, sealing reliability can be guaranteed, and the first floating ball 4 and the second floating ball 5 are identical in structure.

Further, first valve seat 21 and second valve seat 31 are installed respectively to the bottom in first ball chamber 2, the second ball chamber 3, first valve seat 21, the outer wall of second valve seat 31 is equipped with respectively and closely cooperates first sealing washer 6 with valve body 1, when first floater 4 sinks to press on first valve seat 21, shutoff inhalant canal A11, when second floater 5 sinks to press on second valve seat 31, shutoff inhalant canal B12.

Furthermore, the first and second float chambers 2 and 3 have a first water outlet 22 and a second water outlet 32 at the top, respectively, the first float 4 blocks the water outlet passage a131 when floating and pressing on the first water outlet 22, and the second float 5 blocks the water outlet passage B132 when floating and pressing on the second water outlet 32.

Furthermore, the first and second float ball cavities 2 and 3 have the same structure and are symmetrically arranged, the water inlet passage a11 and the water inlet passage B12 have the same structure and are symmetrically arranged, and the water outlet passage a131 and the water outlet passage B132 have the same structure and are symmetrically arranged.

The working principle of the invention is as follows:

referring to fig. 1, in the non-water-feeding state, the density of the floating ball is higher than that of water, and the first floating ball 4 and the second floating ball 5 respectively fall on the surfaces of the first valve seat 21 and the second valve seat 31.

Referring to fig. 2, in a single water inlet state, corresponding to the floating ball floating, water only flows out from the water outlet C; in fig. 2, the second float 5 floats upward by taking the water inlet passage B12 as an example, and the inlet water can be discharged from the water outlet passage a131 and the water outlet passage C133.

Referring to fig. 3, in the two-way water inlet state, the first floating ball 4 and the second floating ball 5 float upwards, and water only flows out from the water outlet channel C133.

Referring to fig. 4, after two water paths enter, one water path is closed; taking the example of closing the water inlet passage B12, the second float 5 is still floating and will not fall, and the inlet water of the inlet passage a11 is discharged from the outlet passage C133 and also from the closed inlet passage B12.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.