CN2515479Y - Discharging switching-over control valve structure for single handle water tap - Google Patents

Abstract

The utility model discloses a water outlet switching control valve structure of a single-handle faucet, which is held at the relaying position of a mixing water inlet channel, a faucet water outlet channel and a flushing water head outlet channel of a cold and hot water mixing faucet seat, the utility model includes a valve pocket, a valve spindle and a pushing block, by leveraging the combination of the elements, the expanded head part of the valve spindle matches a guide block at the step-cone shape hole edge on a step-shaped guide hole of the valve pocket, and the cone shape of the front end of the guide segment on the axle body of the valve spindle matches the inner edge of a ring body of a hollow supporting cover body of the valve pocket, so the valve spindle can conduct stable guiding left and right and straight line movement on the valve pocket, thus truly realizing the guiding function and completing the automatic switching control action. Furthermore, the pushing block is applied to high and low hydraulic pressure and can discharge impurities in the water easily, in addition, when the mixing water inlet channel of the cold and hot water mixing faucet seat produces the refluxing suction force, the cone-shaped periphery on the bottom part of the pushing block can extend to butt the inner edge wall of the relaying position in the cold and hot water mixing faucet seat for avoiding the refluxing state and guaranteeing water supply safety.

Description

The control valve arrangement is cut in the water outlet of single-grip tap

Technical field

The utility model relates to a kind of water outlet and cuts the control valve arrangement, and the control valve arrangement is cut in particularly a kind of water outlet of single-grip tap.

Background technique

As shown in Figure 1, for commonly using the three-dimensional exploded view of structure, cut the control valve and comprise a valve pocket 1, one valve shaft 2 and a pushing block 3, wherein valve pocket is made stepped with copper material section car, and axially provide single order shape guide hole 11 in it, be embedded a water stop ring 12 in its outer rim in addition, valve shaft 2 one ends are provided with enlarged head 21, and the junction point of axle body 22 and enlarged head 21 is embedded the waterstop pad 23 of taper, in addition the other end section of axle body 22 is provided with the embedding knot section 221 than path, and the end of this embedding knot section 221 be provided with one with the taper head 222 of axle body 22 with the footpath, pushing block 3 is the cone of a rubber material, its end face center has provided embedding knot hole 31, and the bottom surface is the shallow conical surface.

As shown in Figure 2, be the three-dimensional part cut-away view of the embodiment who commonly uses structure, please consulting Fig. 3 simultaneously is embodiment's cut-away view of commonly using structure, during its combination, the axle body 22 of valve shaft 2 is passed the rank shape guide hole 11 of valve pocket 1, make the taper waterstop pad 23 of valve shaft 2 be sleeved on rank tapered hole on the rank shape guide hole 11 of valve pocket 1, the embedding knot section 221 of valve shaft 2 main shaft bodies 22 then passes shape guide hole 11 outsides, rank of valve pocket 1 fully, again the embedding knot hole 31 of pushing block 3 was overlapped the taper head 222 of the axle body 22 of valve shaft 2, and be incorporated on the embedding knot section 221, promptly finish the combination of cutting the control valve.

Control valve unit being mixed in water channel 41, leading water outlet 42 and a bath water outlet 43 three's relaying places in mixer tap seat 4 inside controlled in above-mentioned cutting, connect one in the leading water outlet 42 of this mixer tap seat 4 and go out water neck 421, a bath water outlet 43 connects the conduit 432 of a bath 431; And the bath that connects when mixer tap seat 4 a bath water outlet 43 431 is when closing, the water source that mixer tap seat 4 is imported is obstructed because of a bath water outlet 43, so must be toward the enlarged head 21 of leading water outlet 42 passing valve shafts 2 by the water source that is mixed into water channel 41 inflows, break away from shape mouth seam and cause between the tapered hole on rank on the rank shape guide hole 11 of the taper waterstop pad 23 of valve shaft 2 and valve pocket 1, the water source can be by this open seam through leading water outlet 42 and by going out water neck 421 water outlets; In addition during the bath that connects when mixer tap seat 4 a bath water outlet 43 431 unlatchings, mixer tap seat 4 be mixed into the water source that water channel 41 is imported, because of the stifled high hydraulic pressure that produces that ends of a bath water outlet 43 reasons is eliminated, and must discharge (flowing out to a bath water outlet 43) by a bath water outlet 43 of leading water outlet 42 tangential low pressure rapidly via the slit between pushing block 3 and mixer tap seat 4 relaying place inner walls, and because the area of pushing block 3 end faces is pushed against by hydraulic pressure, and the valve shaft of priming simultaneously 2 moves toward a bath water outlet 43, the taper waterstop pad 23 that causes valve shaft 2 moves and the tapered hole of sealing rank on the rank shape guide hole 11 of valve pocket 1, reaches the stagnant water effect that seals of leading water outlet 42 simultaneously.

As the above-mentioned structure of commonly using, have following shortcoming: shape guide hole 11 apertures, rank of (1) valve pocket 1 greatly and shorter, and the axle body 22 of valve shaft 2 carefully and longer, add latter end and be combined with pushing block 3, make valve shaft 2 on valve pocket 1, be unstable and can't move phenomenon by straight line, and when causing bath 431 water outlets, valve shaft 2 in conjunction with pushing block 3 easily is skewed and prizes moving of angle prevention valve shaft 2, cause the waterstop pad 23 of valve shaft 2 latter ends the rank shape guide hole 11 of valve pocket 1 can't to be sealed, and have seepage flow to enter in the leading water outlet 42, make the water neck 421 that of water tap that the seepage flow phenomenon be arranged, when serious even cause valve shaft 2 to block, and valve shaft 2 can't be moved, influence switch motion; (2) pushing block 3 end face catchment areas are little, be difficult for promoting valve shaft 2 and bottom surface and be the shallow conical surface and can't make in its bottom peripheral edge and contract when low hydraulic pressure, so be difficult for impurity discharge in the water; (3) as in a single day floods take place, indoor complete confusion, bath 431 is very easy to have little time to place, and be immersed in the tank of foul or in the chemical water, yet the fire fighter of fire extinguishing this moment is constantly put out a fire by the fire hydrant water intaking at same pipeline water source, the water source of fire hydrant is the water of the underground same pipeline drunk of numerous families again, so produce suction water is refluxed in a large amount of water intakings of bath 431 a Yi Yin fire-fighting party at the place that catches fire, this moment bath 431 is because of being immersed in addle or the chemical water, and related being extracted disseminated to the same pipeline of the potable water of each family, form potential harmful water quality, impact potable water.

Summary of the invention

Therefore, how to improve the water outlet of commonly using the single-grip tap and cut the control valve arrangement, make valve shaft about on the valve pocket, guide the displacement movement that is stable and straight line, and when the basket strainer water outlet, reach certain correcting effect and automatic switchover control action.The equal end face of pushing block increases catchment area again, promotion during applicable height hydraulic pressure, and the pushing block bottom peripheral edge can in contract with in impurity discharge smoothly, other makes relaying cut the control pavilion can not produce reflux state by the slit between pushing block and tap seat relaying place inner wall, when taking place floods fire-fighting party by fire hydrant extraction water source generation suction, bath head can not drawn in the pipeline that addle or chemical water be back to service water, to obtain the safety guarantee at water source, be the difficulty place that the utility model desire solves.

Main purpose of the present utility model is, provide a kind of water outlet of single-grip tap to cut the control valve arrangement, this structure can cooperate the guiding block of rank taper peritreme on the rank shape guide hole of valve pocket by the enlarged head of valve shaft, and the guiding section front end taper of the axle body of valve shaft cooperates the ring body inner edge of the hollow support cover body of valve pocket, make valve shaft about on the valve pocket, guide the displacement movement that is stable and straight line is arranged, and when bath water outlet, reach the control action of certain correcting effect and automatic switchover.

Of the present utility model time a purpose is, provide a kind of water outlet of single-grip tap to cut toward valve arrangement, the non-return groove water resistance of the pushing block of this structure is big, the promotion of applicable height hydraulic pressure, and its bottom taper periphery be subjected to contract in the water to the non-return groove in bottom surface can be smoothly with in impurity discharge.

Another purpose of the present utility model is, provide a kind of water outlet of single-grip tap to cut the control valve arrangement, this structure can be by being the non-return groove that pyramidal pushing block cooperates its bottom surface, and make its taper periphery can toward extend out compel to, produce reflux state to avoid the cutting control valve by the slit between pushing block and mixer tap seat relaying place inner wall, when breaking out of fire fire-fighting party is extracted the water source and is produced suction by the fire hydrant at same pipeline water source, the bath head that drops in addle or chemical water can not be back in the same pipeline of service water, to obtain the safety guarantee at water source.

The purpose of this utility model is achieved in that a kind of water outlet of single-grip tap cuts the control valve arrangement, be placed in the water channel that is mixed into of mixer tap seat, in the relaying place of a tap water outlet and a bath water outlet, it comprises a valve pocket, one valve shaft and a pushing block, wherein valve pocket is formed in one, and valve pocket back segment outer rim is embedded a water stop ring, axially provide single order shape guide hole, valve shaft one end is provided with enlarged head, and the junction point of axle body and enlarged head is embedded one and center hole is arranged and be the waterstop pad of taper, and the axle body latter end is provided with an embedding knot section than path, again the end of this embedding knot section be provided with one with the taper head of axle body with the footpath, pushing block is the rubber material; The axle body of above-mentioned valve shaft can penetrate the rank shape guide hole of valve pocket, the taper waterstop pad of valve shaft is sleeved on the rank shape guide hole of valve pocket and on the tapered hole of rank, but other pushing block embedding is tied on the embedding knot section of the axle body of valve shaft, it is characterized in that: the last rank taper peritreme of the rank shape guide hole of valve pocket back segment is convexly equipped with some spaced guiding blocks, the leading flank uniformly extension of valve pocket back segment goes out some spaced struts in addition, and the end of strut is provided with a ring body, and form a hollow support cover body, the axle body stage casing of valve shaft is provided with a guiding section than path, and the two ends of this guiding section respectively are taper, pushing block is the rubber material, its end face and center provide embedding knot hole, and its bottom peripheral edge is taper and the bottom surface is arranged with a non-return groove; The guiding block of rank taper peritreme on the rank shape guide hole of the enlarged head cooperation valve pocket of valve shaft, the guiding section front end taper of the axle body of valve shaft cooperates the ring body inner edge of the hollow support cover body of valve pocket, make valve shaft guiding about on the valve pocket be moving of stable and straight line, pushing block when passing valve shaft again is applicable to height, low hydraulic pressure is promoted, and the pushing block bottom peripheral edge be subjected to contract in the water to non-return groove and easily with in impurity discharge, in addition when being mixed into water channel and producing backflow suction of mixer tap seat, the bottom taper periphery of pushing block can utilize its non-return groove and the expanded support inner wall of compeling to be butted on mixer tap seat relaying place outward, prevents reflux state.

Description of drawings

Fig. 1 is a three-dimensional exploded view of commonly using structure;

Fig. 2 is the three-dimensional part cut-away view of embodiment of commonly using structure;

Fig. 3 is embodiment's cut-away view of commonly using structure;

Fig. 4 is a three-dimensional exploded view of the present utility model;

Fig. 5 is a combination dissected figure of the present utility model;

Fig. 6 is embodiment's mixer tap water outlet water outlet schematic representation of the present utility model;

Fig. 7 is embodiment's bath water outlet water outlet schematic representation of the present utility model;

Fig. 8 is that embodiment of the present utility model prevents the reflux state schematic representation.

Embodiment

Enumerate a specific embodiment below in conjunction with accompanying drawing, introduce structure content of the present utility model in detail, and the function that can reach.

As shown in Figure 4, be three-dimensional exploded view of the present utility model, cut control valve system and comprise a valve pocket 50, one valve shaft 60 and a pushing block 70, wherein valve pocket 50 is formed in one, and the outer rim of valve pocket 50 back segments is embedded a water stop ring 51, axially provide single order shape hole guide hole 52, the last rank taper peritreme of this rank shape guide hole 52 is convexly equipped with some spaced guiding blocks 521, the leading flank uniformly extension of valve pocket 50 back segments goes out some spaced struts 53 in addition, and the end of strut 53 is provided with a ring body 54, and form a hollow support cover body, valve shaft 60 one ends are provided with an enlarged head 61, and the junction of axle body 62 and enlarged head 61 is embedded one and center hole is arranged and be the waterstop pad 63 of taper, the axle body stage casing is provided with a guiding section 621 than path in addition, the two ends of this guiding section 621 respectively are taper, and axle body 62 latter ends are provided with an embedding knot section 622 than path, again the end of this embedding knot section 622 be provided with one with the taper head 623 of axle body 62 with the footpath, pushing block 70 is the rubber material, its end face center is provided with embedding knot hole 71, and bottom peripheral edge is taper and the bottom surface is arranged with a non-return groove 72, and it can increase water resistance and increase non-return effect.

As shown in Figure 5, be combination dissected figure of the present utility model, during its combination the axle body 62 of valve shaft 60 is penetrated the rank shape guide hole 52 of valve pocket 50, the taper waterstop pad 63 of valve shaft 60 is sleeved on the rank shape guide hole 52 of valve pocket 50 on the tapered hole of rank, and the enlarged head 61 of valve shaft 60 is positioned at guiding block 521 inner edges of rank taper peritreme on the rank shape guide hole 52 of valve pocket 50.This rank shape guide hole 52 can stop the enlarged head 61 of valve shaft 60 to be passed through simultaneously, make valve shaft 60 be able in the rank shape guide hole 52 of valve shaft cover 50, move around, and the guiding section 621 of the axle body 62 of valve shaft 60 is placed in the rank shape guide hole 52 and the hollow support cover body inside of valve pocket 50,622 of the embedding knot sections of the axle body 62 of valve shaft 60 pass the rank shape guide hole 52 and the hollow support cover body outside of valve pocket S0 fully, again the embedding knot hole 71 of pushing block 70 was overlapped the taper head 623 of the axle body 62 of sympodium 60 in addition, and be incorporated on the embedding knot section 622, make taper head 623 protrude from embedding knot hole 71 outer and in the non-return groove 72 of pushing block 70 simultaneously the end face of pushing block 70 when valve shaft 60 moves around, can support and in ring body 54 end faces of hollow support cover body, also make valve shaft 60 be able in the rank of valve pocket 50 shape guide hole 52, move around, promptly finish combination.

As shown in Figure 6, be embodiment's mixer tap water outlet water outlet schematic representation of the present utility model, the above-mentioned control valve 5 of cutting is installed on being mixed in water channel 41, leading water outlet 42 and a bath water outlet 43 three's relaying places of mixer tap seat 4 inside, connect one in the leading water outlet 42 of this mixer tap seat 4 and go out water neck 421, a bath water outlet 43 connects the conduit 432 of a bath 431; And the bath that connects when mixer tap seat 4 431 is when closing, the water source that mixer tap seat 4 is imported is obstructed because of a bath water outlet 43, so by the water source that is mixed into water channel 41 inflows is must be toward the enlarged head 61 of leading water outlet 42 smooth-going passing valve shaft 60 of guiding block 521 inner edges of rank taper peritreme on the rank of valve pocket 50 shape guide hole 52, and ring body 54 inner edges of the hollow support cover body of the valve pocket 50 of the guiding section 621 front end tapers of the axle body 62 of valve shaft 60 cooperation simultaneously, make valve shaft 60 guiding about on the valve pocket 50 be moving of stable and straight line, form open seam and cause to break away between the tapered hole on rank on the rank shape guide hole 52 of the taper waterstop pad 63 of valve shaft 60 and valve pocket 50, the water source can be by this open seam through leading water outlet 42 and by going out water neck 421 water outlets.

As shown in Figure 7, be embodiment's bath water outlet water outlet schematic representation of the present utility model.When the bath that connects when mixer tap seat 4 a bath water outlet 43 431 is open, mixer tap seat 4 be mixed into the water source that water channel 41 is imported, because of the stifled high hydraulic pressure that produces that ends of a bath water outlet 43 reasons is eliminated, and must discharge by a bath water outlet 43 of leading water outlet 42 tangential low pressure rapidly, and pushed against by water via the non-return groove 72 of pushing block 70, the saw shape periphery that makes pushing block 70 bottoms cooperates the non-return groove 72 of its bottom surface and contracts toward in by hydraulic pressure, the water source is promptly flowed out to a bath water outlet 43 toward pushing block 70 and the slit between mixer tap seat 4 relaying place inner walls of interior sturgeon by the taper periphery, but foreign material in the discharge water simultaneously, and because the non-return groove 72 of pushing block 70 is pushed against by hydraulic pressure, and the valve shaft of priming simultaneously 60 a linearly smooth-going past rapidly bath water outlet 43 move, the taper waterstop pad 63 that causes valve shaft 60 moves and the tapered hole of sealing rank on the rank shape guide hole 52 of valve pocket 50, reaches the effect of sealing sealing of leading water outlet 42 simultaneously.

As shown in Figure 8, prevent the reflux state schematic representation for embodiment of the present utility model.As when the breaking out of fire accident, bath 421 is very easy to have little time to place in confusion, and is immersed in the tank of addle or chemical water.The fire fighter of this moment fire extinguishing constantly carries out on a large scale the water intaking fire fighting by the fire hydrant at same pipeline water source, and causes intake free and unfettered 41 water source of the mixing of mixer tap seat 4 to produce backflow suction.Because cutting control valve 5 is horizontally placed on and is mixed into water channel 41 downsides, so forming, pushing block 70 is subjected to leading water outlet 42 current stream suction, place the bath 431 of the tank of addle or the chemical water suction that also refluxed simultaneously, draw addle or chemical water then through the taper periphery of pushing block 70 by the non-return groove 72 of its bottom surface expanded support inner wall of compeling to be butted on mixer tap seat 4 relaying places outward, and the suction that refluxes is healed, and the power of expanded support is also big thereupon outward for the taper periphery of big pushing block 70, in case thereby fire accident is when taking place, can prevent in other service water pipelines that addle in the water stopping trough or chemical water pass back into same pipeline water source.

By the structure of above-mentioned specific embodiment, following advantage is arranged: (1) valve shaft 60 can be guided the displacement movement that is stable and straight line about on the valve pocket 50, to enter certain correcting effect and to guarantee the action of automaticallying switch; (2) to be fan portion 73 catchment areas of inverted T shape shape body big for pushing block 70, except that high hydraulic pressure can promote, also is convenient to promote during in addition low hydraulic pressure, and contracts to the just contrary groove 72 in bottom surface in its bottom taper periphery catchment area, can smoothly impurity in the water be discharged; (3) relaying is cut the non-return groove 72 water resistances big non-return effect increasing of control valve 5 because of pushing block 70 bottom surfaces, and can not produce reflux state, to obtain the safety guarantee at water source.

Claims (1)

1, the control valve arrangement is cut in a kind of water outlet of single-grip tap, be placed in the water channel that is mixed into of mixer tap seat, in the relaying place of a tap water outlet and a bath water outlet, it comprises a valve pocket, one valve shaft and a pushing block, wherein valve pocket is formed in one, and valve pocket back segment outer rim is embedded a water stop ring, axially provide single order shape guide hole, valve shaft one end is provided with enlarged head, and the junction point of axle body and enlarged head is embedded one and center hole is arranged and be the waterstop pad of taper, and the axle body latter end is provided with an embedding knot section than path, again the end of this embedding knot section be provided with one with the taper head of axle body with the footpath, pushing block is the rubber material; The axle body of above-mentioned valve shaft can penetrate the rank shape guide hole of valve pocket, the taper waterstop pad of valve shaft is sleeved on the rank shape guide hole of valve pocket on the tapered hole of rank, but other pushing block embedding is tied on the embedding knot section of the axle body of valve shaft, it is characterized in that: the last rank taper peritreme of the rank shape guide hole of valve pocket back segment is convexly equipped with some spaced guiding blocks, the leading flank uniformly extension of valve pocket back segment goes out some spaced struts in addition, and the end of strut is provided with a ring body, and form a hollow support cover body, the axle body stage casing of valve shaft is provided with a guiding section than path, and the two ends of this guiding section respectively are taper, pushing block is the rubber material, its end face and center provide embedding knot hole, and its bottom peripheral edge is taper and the bottom surface is arranged with a non-return groove; The guiding block of rank taper peritreme on the rank shape guide hole of the enlarged head cooperation valve pocket of valve shaft, the guiding section front end taper of the axle body of valve shaft cooperates the ring body inner edge of the hollow support cover body of valve pocket.

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