A kind of water mixing valve
Technical field
The utility model relates to valve, especially a kind of water mixing valve.
Background technique
It is provided with the first water inlet of hot water, the first cold water inlet, the first water outlet on the Inlet and outlet water end face of valve body, first
Water inlet of hot water is connected to a hot-water line, and the first cold water inlet is connected to a cold water pipe, and the first water outlet and an outlet pipe connect
Logical, cold water pipe, hot-water line, outlet pipe are not connected to mutually.
Water mixing valve is the metal valve for mixing different proportion hot and cold water, and the water inlet ratio of hot and cold water is adjusted by rotational valve core
Example, but since the Inlet and outlet water end face of valve body is out-of-flatness, producer be not easy to the material by changing valve body itself come so that
The end face contacted on valve body with the rotation of spool is smooth, so there is seam in the place that the Inlet and outlet water end face of spool and valve body abuts
Gap, water can be leaked out before entering busway by gap, to influence the adjusting to cold-hot water proportion.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of water mixing valves to solve spool and valve body
The problem of place infiltration that Inlet and outlet water end face abuts.
The technical solution adopted in the utility model is:
A kind of water mixing valve, including valve body are provided with spool and tabletting in valve body, are provided on the Inlet and outlet water end face of valve body
One water inlet of hot water, the first cold water inlet, the first water outlet, spool, tabletting are successively set on the Inlet and outlet water end face of valve body,
And the second water inlet of hot water, corresponding with the first cold water inlet of connection corresponding with the first water inlet of hot water is provided in tabletting
Second water outlet of the second cold water inlet, connection corresponding with the first water outlet that are connected to, spool can be rotated relative to tabletting,
Busway is provided on spool, busway includes interconnected hot water end, cold water end, water outlet, the heat of busway
Water end (W.E.) is connected to the second water inlet of hot water, and the cold water end of busway is connected to the second cold water inlet, the water outlet of busway
End is connected to the second water outlet, and hot water end and the second water inlet of hot water of busway can be adjusted by rotational valve core
Between communication port size and/or adjust busway cold water end and the second cold water inlet between communication port size;Institute
It states and is provided with the first leakage preventing structure on the Inlet and outlet water end face of valve body, tabletting is pressed on the first leakage preventing structure to prevent cold water and heat
Water leaks before entering busway.
First leakage preventing structure includes elastomeric pad, be provided on the elastomeric pad respectively with the first water inlet of hot water
The third water inlet of hot water that matches, the third cold water inlet matched with the first cold water inlet, with the first water outlet phase
The third water outlet of cooperation, elastomeric pad are connected on the Inlet and outlet water end face of valve body.
Be arranged on the lateral wall of the tabletting it is jagged, the inner sidewall of the valve body be provided with notch cooperation protrusion,
Protrusion and notch are clamped to limit tabletting rotation.
It further include driving device, driving device is connect to drive valve core rotation with spool.
The valve body includes valve seat and valve deck, and the valve seat is connect to be formed and can accommodate spool and tabletting with valve deck
Valve chamber, the valve deck is pressed on spool, and through-hole is provided on valve deck, and spool passes through through-hole and extends to the external world out of valve chamber
It is connect with driving device.
The driving device includes driving part, swing component, the output end of driving part and one end of swing component connect with
One end of swing component is driven to rotate around the other end of swing component, the other end of swing component is connect to drive valve core rotation with spool.
The limit switch of the position for detecting swing component is additionally provided on the valve body, limit switch and driving part connect
It connects to control driving part operation.
Finite place piece is set on the valve seat inner sidewall, is provided with clamping portion on the spool, the locating part can be with
Clamping portion is abutted to limit the rotational angle of spool.
It further include the second leakage preventing structure, on the lateral wall of the second leakage preventing structure setting spool, the second leakage preventing structure
Lateral wall is abutted with the inner sidewall of through-hole, for preventing the intracorporal water of valve from oozing out from valve deck.
Second leakage preventing structure is waterproof lantern ring.
The utility model has the beneficial effects that
The design is connected to valve body by the way that the first leakage preventing structure, the first leakage preventing structure are arranged on the Inlet and outlet water end face of valve body
Inlet and outlet water end face on, tabletting is connected on the first leakage preventing structure, and Inlet and outlet water end face and the tabletting of spool fit closely, and spool is logical
It crosses and is rotated in tabletting to adjust the size and/or adjusting of communication port between the hot water end of busway and the second water inlet of hot water
The size of communication port, the ratio of hot and cold water is adjusted with this, in this way between the cold water end and the second cold water inlet of busway
It can prevent hot water or cold water from oozing out and preventing hot water or cold water in the gap between the Inlet and outlet water end face of valve body and tabletting
It is leaked before entering busway, this sample design can be more preferable to the adjusting of cold-hot water proportion.
Detailed description of the invention
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of the utility model water mixing valve;
Fig. 2 is the one exploded view of the utility model water mixing valve;
Fig. 3 is the tabletting schematic diagram of the utility model water mixing valve;
Fig. 4 is the waterproof gland of the utility model water mixing valve and the sectional view of spool;
Fig. 5 is the schematic diagram of tabletting and the valve seat cooperation of the utility model water mixing valve;
Fig. 6 is another exploded view of the utility model water mixing valve.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, a kind of water mixing valve, including valve body 1 is provided with spool 2 and tabletting 3 in valve body 1,
The first water inlet of hot water 11, the first cold water inlet 12, the first water outlet 13, spool are provided on the Inlet and outlet water end face of valve body 1
2, tabletting 3 is successively set on the Inlet and outlet water end face of valve body 1, and is provided in tabletting 3 corresponding with the first water inlet of hot water 11
Second cold water inlet 32 of the second water inlet of hot water 31, connection corresponding with the first cold water inlet 12 that are connected to goes out with first
Second water outlet 33 of the corresponding connection in the mouth of a river 13, spool 2 can be rotated relative to tabletting 3, be provided with busway on spool 2
21, busway 21 includes interconnected hot water end, cold water end, water outlet, hot water end and the second hot water of busway 21
Water inlet 31 is connected to, and the cold water end of busway 21 is connected to the second cold water inlet 32, the water outlet of busway 21 and the
The connection of two water outlets 33, and hot water end and the second water inlet of hot water of busway 21 can be adjusted by rotational valve core 2
Between 31 the size of communication port and/or adjust busway 21 cold water end and the second cold water inlet 32 between communication port it is big
It is small;The first leakage preventing structure is provided on the Inlet and outlet water end face of valve body 1, tabletting 3 is pressed on the first leakage preventing structure to prevent cold water
It is leaked before entering busway 21 with hot water.The design on the Inlet and outlet water end face of valve body 1 by being arranged the first antiseepage
Structure, the first leakage preventing structure are connected on the Inlet and outlet water end face of valve body 1, and spool 2, tabletting 3 are successively connected to the first leakage preventing structure
On, spool 2 is by adjusting communication port between the hot water end of busway 21 and the second water inlet of hot water 31 rotating in valve body 1
Size and/or adjust the size of communication port between the cold water end and the second cold water inlet 32 of busway 21, adjusted with this
The ratio for saving hot and cold water can prevent hot water or cold water from leaking before entering busway 21, to cold-hot water proportion in this way
Adjusting can be more accurate.The contact surface of the design tabletting 3 and spool 2 needs smooth abrasion-proof, is fitted closely with realizing, preferably
Embodiment is tabletting 3 and spool 2 is ceramic material.In addition to this, the other embodiments of the design can also be tabletting 3
And spool 2 is the material of the smooth abrasion-proofs such as glass.Tabletting 3 in this way could be fitted closely with spool 2 to prevent water from tabletting 3 and
It is oozed out in the gap of 2 bearing surface of spool.
Preferred second water inlet of hot water 31, the second cold water inlet 32 are in a strip shape, and are arcs in the design
, the left and right sides above the second water outlet 33, and the cold water end of busway 21 and hot water end are integrally formed, and
And it is rounded, the cold water end and hot water end of busway 21 ride over the second water inlet of hot water 31, on the second cold water inlet 32, lead to
The communication port size of busway 21 and the second water inlet of hot water 31, the second cold water inlet 32 can be adjusted by crossing rotational valve core 2
It adjusts into the cold-hot water proportion in busway 21, then flows into second water outlet 33 from the water outlet of busway 21.It removes
Except this, the other embodiments of the design can also be the first water inlet of hot water 11, the first cold water inlet 12, the second hot water
Water inlet 31, the second cold water inlet 32 are to be square or other shapes, and the cold water end and hot water end of busway 21 are in arc
Shape or other shapes.
Still further, the first leakage preventing structure includes elastomeric pad 4, be provided on elastomeric pad 4 respectively with the first hot water
Third water inlet of hot water 41 that water inlet 11 matches, the third cold water inlet 42 matched with the first cold water inlet 12,
The third water outlet 43 matched with the first water outlet 13, elastomeric pad 4 are connected on the Inlet and outlet water end face of valve body 1.The elasticity
Gasket 4 is waterproof rubber sheet, and in addition to this, the other embodiments of the design can also be waterproof resin etc..
As shown in Fig. 2, jagged 34 are arranged on the lateral wall of tabletting 3, the inner sidewall of valve body 1 is provided with to be cooperated with notch 34
Protrusion 16, protrusion 16 and notch 34 are clamped to limit the rotation of tabletting 3.The rotation of tabletting 3 can be prevented so that below tabletting 3 in this way
The position of elastomeric pad 4 shift.In addition to this, the other embodiments of the design can also be in the outside of tabletting 3
Resilient projection is set on wall, the notch 34 matched with resilient projection is set on the inner sidewall of valve body 1.
As shown in Fig. 2, further including driving device 5, driving device 5 is connect to drive spool 2 to rotate with spool 2.Except this it
Outside, the other embodiments of the design, which can also be, rotates spool 2 by manually mode.
Still further, valve body 1 includes valve seat 14 and valve deck 15, valve seat 14 is connect to be formed and can be accommodated with valve deck 15
The valve chamber of spool 2 and tabletting 3, valve deck 15 are pressed on spool 2, and through-hole 155 is provided on valve deck 15, and spool 2 passes through logical
Hole 155 extends to the external world out of valve chamber and connect with driving device 5.Valve seat 14 can prevent the positional shift of spool 2,15 energy of valve deck
Spool 2 is enough pushed down, fits closely spool 2 with tabletting 3, prevents water in busway 21 from flowing through the ejection of senior general's spool 2.
As shown in Fig. 2, driving device 5 includes driving part 51, swing component 52, the output end and swing component of driving part 51
52 one end connection is to drive one end of swing component 52 to rotate around the other end of swing component 52, the other end and spool of swing component 52
2 connections are rotated with band movable valve plug 2.Driving part 51 is stepper motor, and a gear, the gear and pendulum are provided on transmission shaft
Groove engagement on moving part 52, driving part 51 drive the rotation of swing component 52 to rotate with this band movable valve plug 2.In addition to this, it originally sets
The other embodiments of meter can also be, and driving part 51 is arranged above spool 2, and driving part 51 and spool 2 are sequentially connected
It is rotated with band movable valve plug 2.
The limit switch 17 of the position for detecting swing component 52, limit switch 17 and driving portion are additionally provided on valve body 1
51 connections are to control the operation of driving part 51.Limit switch 17 can be optoelectronic switch or contact switch.The design is preferred
Be contact switch.52 swing angle of swing component can be prevented excessive in this way so that can not nibble with the gear on driving part 51
It closes, so that spool 2 can not be driven to rotate.
As shown in fig. 6, finite place piece 144 is arranged on 14 inner sidewall of valve seat, clamping portion 23, locating part are provided on spool 2
144 can abut with clamping portion 23 to limit the rotational angle of spool 2.2 rotational angle of spool can be prevented excessive in this way, so that
Second cold water inlet 32, the second water inlet of hot water 31 are closed, carry out confluence work can not.
As shown in figure 4, further including the second leakage preventing structure, the second leakage preventing structure is arranged on the lateral wall of spool 2, the second antiseepage
The lateral wall of structure is abutted with the inner sidewall of through-hole 155, for preventing the water in valve body 1 from oozing out from valve deck 15.If tabletting 3
It is not fitted closely with spool 2, water is oozed out from gap, and such second leakage preventing structure can prevent water from oozing out valve deck 15.
Still further, the second leakage preventing structure is waterproof lantern ring 22.In addition to this, the other embodiments of the design may be used also
To be that several waterproof rubber rings or waterproof resin circle are arranged on 2 lateral wall of spool.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the utility model aim technical solution belong to the protection scope of the utility model it
It is interior.