CN2198470Y - Water tap - Google Patents

Abstract

The utility model relates to a water tap. The valve seat of the inner cavity of a triple valve body is provided with a valve core whose upper portion is big and lower portion is small. The valve core can vertically move and the center portion of the valve core is provided with a through hole. The valve core is also provided with a middle valve core whose shape is similar and center portion is also provided with a through hole. The middle valve core is provided with an opening and closing plug fixedly connected with a valve rod. The upper end portion of the valve rod is fixedly connected with a lifting handle which can vertically move and is sheathed on a pipe seat on the upper portion of a valve cover. The lifting handle is screwed with the pipe seat by an adjusting ring on the lifting handle. The wall of the inner ring connected with the adjusting ring is axially provided with a line-shaped or cross-shaped tightening slot from an end surface. Thus the utility model has the characteristics of simple structure, low cost, convenient and reliable operation, rapid opening and closing, effective adjustment on the water outlet quantity, etc.

Description

Water tap

The utility model relates to the valve that goes out water management in a kind of current pipe network, particularly a kind ofly can belong to the valve class by pushing the water tap that opens or closes.

At present, the water tap that people use always is a knob type, be that it drives the valve core rotation that is placed in body cavity valve seat top by rotation hand wheel by the valve rod that is connected mutually with it, because having between the valve gap of seal ring, spool and body cavity or spool and valve body top passes through threads engaged, so when rotating under the drive of spool at handwheel, just can realize the action of rising and moving down being pressed in valve seat when moving down, close port; Lift off a seat during rising, open valve port, climb is big more, and is just many more by the water of valve port, and water flow is just big.This knob type water tap that utilizes external force to carry out mechanical type or pass or open uses very inconveniently, and it must rely on manual rotation hand wheel switch, so the size of current is difficult to quick control, also wastes water easily.This kind water tap also because the pressure bearing and seal easily damaged parts is many, leaks easily, so working life is short, maintenance load is big.This in addition water tap not too is adapted to the use of public arena, must dependence hold firmly rotation of handwheel because open and close water tap, and in the course of time, rotation hand wheel has just become germ infectiously.At above-mentioned reason, existing a spot of pulling type water tap of pushing is being sold on the existing market, and major applications is in occasions such as hotels, this spool of pushing pulling type water tap is to link to each other with the knob (or claiming carrying handle) on valve body top by valve rod, knob is placed on the base of valve body upper valve cap and can moves up and down, by on carry or down by spool in the valve body also being risen or move down thereupon, thereby realize opening or closing of valve port.Though the water tap of this structure energy quick control water-outlet quantity, but because each action of knob all will be directly by driving valve core movement, and be compulsory mechanical type action, therefore required power is bigger, and be difficult to effectively regulate and control water-outlet quantity, water-outlet quantity is excessive, or too little, and people use and still feel inconvenience.

The purpose of this utility model is in order to overcome the deficiency of above-mentioned existence, open and close valve port and provide a kind of self pressure that utilizes water to carry out induction type, and structure is simpler, and fabricating cost is low, easy to use and reliable water tap.

The utility model is mainly by three way valve, be placed in the compositions such as spool, valve rod, carrying handle, valve gap and seal ring on the body cavity valve seat, described spool is the compact heap that a center offers through hole, big up and small down shape, because the bottom of this spool is coniform, therefore when it is pressed in the valve seat inner periphery of body cavity, will closed valve port; The keying plug that links to each other with valve rod is arranged above its spool, and the bottom of this keying plug is a cone shape chock plug, just inaccessible through hole when this chock plug is pressed on the inner periphery of valve core through hole; The upper end of valve rod is fixed with the carrying handle that inner chamber is nested with on the base on valve gap top and but the upper and lower displacement is moving, press under the carrying handle, the chock plug that opens and closes plug just can be pressed on the inner periphery of valve core through hole, the pressure on spool top increases suddenly to be made it to move down, and last top hydraulic pressure is pressed on spool and has realized closing of valve on the valve seat.When carrying handle is upwards carried, open and close the real spool that so leaves of plug, valve core through hole exposes, water just can flow into valve port from through hole, this moment, the compacting of spool upper water so reduced, and the waterpower that the tilted conical surface of spool bottom makes progress (comprising the bath of buoyancy and current) increases and greater than downward power, this moment, spool rose, thereby opened valve port, realized the unlatching of valve.

For improving the unlatching effect of water tap, the utility model can be mounted with similar to the spool shape but also offers the middle spool of through hole less than spool, axle center to opening and closing at spool between the plug, the hypocone of this centre spool is pressed on the inner periphery of valve core through hole, then compresses the stopper that opens and closes plug on its top through hole inner periphery.

The utility model is fixed with Adjusting ring at the inner chamber of carrying handle, and this Adjusting ring is combined by Internal and external cycle, and its inner ring directly is nested with on the base of valve gap top and can moves up and down.The inner ring of described Adjusting ring axially offers a word or cross degree of tightness groove since an end face, and the inner ring of Adjusting ring spins with screw thread mutually with valve gap top base, thin-walled inner ring or inner ring that has the degree of tightness groove and valve gap top base made of plastic are spun, both can carry out the regulation and control of water-outlet quantity size again directly by pushing the water-outlet quantity of regulating the control water tap.

Keying plug described in the utility model adopts elasticity to connect with being connected of valve rod, and the inner chamber that opens and closes plug is placed with the rubber-like rubber pad, and the connection end of valve rod is connected to the inner chamber that opens and closes plug and is pressed on the rubber pad.

The utility model also is connected to the water outlet of strap clamp metafiltration net and chews at valve body lower portion water outlet place, to the too urgent and diffusing current buffer function that flows out from the valve body water outlet.

Accompanying drawing is a structural representation of the present utility model.

Below will the utility model is further introduced by accompanying drawing: the inner chamber valve port at three way valve 1 be provided with the valve seat 2 that raises up, this valve seat 2 is protected by the rubber that has seal washer 3 to be decided 4 on circle and forms, the fastening body that is offered through hole 5 big up and small down shapes by the axle center is placed on the valve seat 2 of valve body 1 inner chamber as spool 6, spool 6 lower cone heads are pressed on the inner periphery on valve seat 2 tops, and because inner edge directly is made of seal washer 3, so under the pressing of spool, the contacting point between spool 6 and the seal washer 3 can reach the better seal effect.

Be mounted with similar above the above-mentioned spool 6 but also offer the middle spool 8 of through hole 7 less than spool, axle center to the spool shape, the diameter of this through hole 7 is also less than valve core through hole 5, the lower cone head of this centre spool 8 is pressed on the valve core through hole 5 top inner periphery, and compresses arrangement on its top through hole 7 inner periphery in the above and the coniform chock plug of the keying plug 10 that is connected with valve rod 9.

Be spool 8 in the middle of removing among another embodiment of the present utility model, and directly be pressed on above the spool with opening and closing plug.

The top of valve body 1 is connected with valve gap 12 by pad 11, the base 13 that hollow is arranged above this valve gap 12, valve rod 9 is by base 13, the end is fixedly connected with the carrying handle 15 that covers shape with gland 14 thereon, the inner chamber of this carrying handle 15 is fixedly connected with the Adjusting ring of being made up of Internal and external cycle 16, the inner ring 17 of this Adjusting ring 16 spins with valve gap 12 top bases 13 mutually by screw thread, offer a word or cross degree of tightness groove 18 vertically from an end face on its circle wall, because this inner ring 17 is thin-walled circle or plastic ring, has certain elasticity, therefore, ought firmly upwards carry or on time, just can directly open and close valve port easily downwards though it spins with screw thread with base 13, and can be positioned a certain position arbitrarily, control certain water-outlet quantity, both can rapidly opened and closed valve port, can regulate and control water-outlet quantity easily again.Be provided with collar 19 in the upper end portion of valve gap base 13, so that carry out spacing to the ascending motion of carrying handle 15.

The utility model will open and close plug 10 with elastic connection structure and link together with valve rod 9, it is to be placed with a resilient rubbber cushion 20 at the inner chamber that opens and closes plug 10, and the connection end of valve rod 9 is connected in the inner chamber that opens and closes plug 10 with connecting cover 21 and is pressed on the resilient rubbber cushion 21.Also be provided with the rubber gasket 23 of locating, the leakage that causes so that prevent valve rod 9 from passing with location piece 22 in the upper end portion of base 13.

The utility model also is connected with the water outlet of band filter screen 24 and chews 25 at water outlet place, valve body 1 bottom, this filter screen 24 is a sandwich-like, offers some osculums above, can obtain unhurried current after too urgent and diffusing current are chewed by the water outlet of above-mentioned band filter screen.

During use, the water inlet pipe mouth of valve body 1 is connected on the connection water pipe, close and to open when water tap is in, can will carry on the carrying handle, valve rod is risen, keying this moment plug also rises simultaneously along with the rising of valve rod and leaves middle spool, valve body 1 inner chamber Central Plains is in static water generates and flows, from upwards flowing between body cavity wall and the middle spool, and there are current dirty from middle valve core through hole, hydraulic pressure in the middle of this moment above the spool reduces, and following tilted conical surface is subjected to the thrust to the upper reaches, original in addition water buoyancy, thereby upward pressure and increase and greater than upper pressure, thereby middle spool rises under the effect of water self pressure and leaves spool, and same, the water above the spool flows down from its through hole, and because the aperture of this through hole is greater than the through-hole aperture of spool in the middle of top, the water yield that flows down valve port from valve core through hole increases, thereby the amount that water flows through between body cavity pipe and the spool also increases i.e. flow velocity increase, like this, increase falls in the pressure above the spool, and current also increase the mobile impulse force of tilted conical surface under the spool, thereby spool also rises, valve port is opened, current directly enter from valve port, and the spool ascending amount is many more, and the water yield that valve port flows through is just big more.As carrying out the adjusting of water-outlet quantity, as long as the rotation carrying handle limits the distance of spool and valve seat.As closing water tap, as long as flicking carrying handle or clockwise carrying handle, make to open and close to fill in and depress middle spool, spool intermediate throughholes in the middle of the sealing, make the water that flows in top obtain static, middle spool presses down spool, sealing valve port, and the pressure that presses down mainly relies on the hydraulic pressure of tap water, so the big more seal force of the hydraulic pressure of tap water is also big more.

The utility model mainly utilizes running water self pressure to carry out opening or closing of valve port owing to adopt floating plug, and spool, middle spool form with the plastics compacting, and whole valve body also can be made of plastic, reduced widely cost, compared with prior art, had simple in structure, cost is low, easy to use and reliable, but both fast opening and closings can carry out again the Effective Regulation of water yield, the characteristics such as the scope of application is wide, the running water pipe that is particularly suitable for household, hotel, restaurant is online.

Claims (6)

1, a kind of water tap, it includes three way valve, be placed in the spool on the body cavity valve seat, valve rod, carrying handle, valve gap and seal ring, it is characterized in that spool (6) offers the fastening body of through hole, big up and small down shape for the center, the taper bottom of this spool (6) can be pressed on valve body (1) the inner chamber valve seat (2), compress the keying plug (10) that is connected with valve rod (9) on its top through hole (5) inner periphery, the upper end of valve rod (9) be fixed be nested with at valve gap (12) top base (13) but go up and carrying handle (15) that the upper and lower displacement is moving.

2, water tap as claimed in claim 1, it is characterized in that spool (6) also is provided with middle spool (8) similar to spool (6) shape, that the center also offers through hole (7) to opening and closing between the plug (10), the hypocone of this centre spool (8) is pressed on the inner periphery of valve core through hole (5), has compressed on its top through hole (7) inner periphery to open and close plug (10).

3, water tap as claimed in claim 1 or 2 is characterized in that the inner chamber of carrying handle (15) is fixed with Adjusting ring (16), and the inner ring (17) of this Adjusting ring (16) directly is nested with at valve gap (12) top base (13) but to go up the upper and lower displacement moving.

4, water tap as claimed in claim 3, it is characterized in that axially offering a word or cross degree of tightness groove (18) since an end face on inner ring (17) wall of Adjusting ring (16), and the inner ring (17) of Adjusting ring (16) spins with screw thread mutually with valve gap (12) top base (13).

5, water tap as claimed in claim 4 is characterized in that opening and closing plug (10) and is arranged on inner chamber, in be placed with resilient rubbber cushion (20), the connecting end of valve rod (9) is connected to and opens and closes plug (10) inner chamber and be pressed on the rubber pad (20).

6, water tap as claimed in claim 5 is characterized in that water outlet place of valve body (1) bottom is connected to the water outlet that has interlayer filter screen (24).

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