CN2656733Y

CN2656733Y - Buoyant force stop valve for water purifier

Info

Publication number: CN2656733Y
Application number: CN 200320117978
Authority: CN
Inventors: 隋贤栋; 潘泽明; 梁荣顺; 黄肇雄
Original assignee: 梁荣顺
Priority date: 2003-11-06
Filing date: 2003-11-06
Publication date: 2004-11-17
Anticipated expiration: 2013-11-06

Abstract

The utility model relates to a buoyancy-operated cut-off valve for a water purifier, typically comprising a valve body, a cup-sectioned shell, a water supply pipeline positioned over the shell and opened with external threads to facilitate its connection with the water outlet of the water purifier, a guide sleeve positioned in the shell and connecting the water supply pipeline, a float bowl matching with the shell and capable of moving up and down but inseparable with the shell (which comprises a cup-sectioned barrel, a bushing provided on the top of the barrel for matching with the guide sleeve and capable of moving up and down with respect to the guide sleeve, an inner tube positioned in the middle of the bushing and under the water supply pipeline, a fluid guide pipe positioned on the barrel but under the bushing and connecting the barrel), a sealing head poisoned in the inner tube. The utility model is simple in structure, convenient and reliable to use, capable of effectively closing the water outlet of a purifier when no water output is required, which is an ideal buoyancy-operated cut-off valve for a water purifier.

Description

A kind of water purifier buoyancy stop valve

(1) technical field

The utility model relates to the water purifier buoyancy stop valve that a kind of household water filter is used.

(2) background technique

Rely on the seepage formula water purifier of water deadweight, also there is person to be water purification cylinder or water-purifying tank, by porous ceramics or have the purifying media of sterilizing function such as active carbon loading silver etc. is made filter core, direct and drinking machine matches, add behind the tap water through holding back or kill bacteria, purification, the process such as mineralising that also is added with that has, the water purification after the purification has kept mineral substance and the trace element in the tap water, need not boil promptly drinkablely, be a kind of water purification installation simply and easily.Compare with drummed pure water, avoided reservation, sent door waterborne, and low price.But this and supporting water purifying plant of drinking machine generally needs a buoyancy stop valve.When in the drinking machine with water storage bag that smart seat links to each other in water purification when reaching certain water level, with regard to needing a buoyancy stop valve water outlet of water purifier is blocked, no longer include water purification and flow down, thereby guarantee that not having water purification does not overflow from smart seat.

Chinese patent ZL00217117.1 special water purifier for drinking machine float valve valve body and valve nozzle cooperation place are tapered, and valve nozzle, push rod and floating drum fuse, and floating drum drives valve nozzle control water purifier discharge water and closes under the water floating function; Its deficiency is that the sealing surface that dams is a conical surface, is difficult for sealing; The guide surface of float valve lifting is a very thin annulus, blocks easily or off-centre; The float valve water outlet covers at floating drum, because Water seeks its own level, the water purification of outflow will flow to the lower side of floating drum lid, the gravity of water more will cause floating drum to tilt, because the annulus of guiding is fixed, floating drum tilts to make the annulus decentraction of floating drum and guiding, easier blocking and lose the function of float valve.The floating valve gear that one kind of Chinese patent ZL00217117.1 is used for water purifier adopts the floating block of drum type, fixedlys connected with floating block with turning round arm, turns round the articulating point that arm lays out on the water valve body and rotates.This float valve volume is bigger, the structure more complicated, and floating block is in water outlet one side, and the smart seat that must remove drinking machine can use, and uses inconvenience.

(3) summary of the invention

The purpose of this utility model provides a kind of simple and convenient, when not needing water outlet, can effectively the water purifier discharge water mouth be sealed the water purifier buoyancy stop valve that reliability is high.

In order to achieve the above object, the utility model is to realize like this, it is characterized in that: comprise valve body, valve body comprises housing, and the section of housing is frame shape, is provided with intake pipe on the top of housing, intake pipe is provided with outside thread, so that be connected with the water outlet of water purifier, be provided with guide sleeve in the housing, guide sleeve is communicated with intake pipe; Also comprise match with housing and can move up and down but the floating drum that can not separate with it, floating drum comprises that section is the socket of a font, the top of socket is provided with the sleeve pipe that cooperates with guide sleeve, the relative guide sleeve of sleeve pipe can move up and down, and the central authorities of sleeve pipe and the below that is positioned at intake pipe are provided with a tubing string; Be positioned on the socket sleeve pipe below be provided with it the honeycomb duct that is communicated with; Also comprise sealing head, sealing head is located on the interior tubing string.

Of the present utility modelly further be improved to, the lower housing portion opening is provided with the hook more than three, and the edge at socket top is provided with flange, and this flange cooperates with hook, and it is not separated.Intake pipe is communicated with by the hole with guide sleeve, and this hole is over against the top of sealing head.Sleeve pipe is communicated with by annular water conservancy diversion through hole with honeycomb duct.Between honeycomb duct, also can establish sleeve in the socket.

The utility model advantage compared with prior art is, and is simple in structure, easy to use and reliable, when not needing water outlet, can be a kind of desirable water purifier buoyancy stop valve effectively with the sealing of water purifier discharge water mouth.

(4) description of drawings

Fig. 1 is water purifier buoyancy stop valve structure figure;

Fig. 2 is the fundamental diagram of water purifier buoyancy stop valve when opening;

Fig. 3 be water purifier buoyancy stop valve by the time fundamental diagram;

Fig. 4 is the cooperation position and the overall work process thereof of water purifier buoyancy stop valve and water purifier and drinking machine.

Among the figure, 1. floating drum, 2. sealing head, 3. valve body, 4. seal rubber pad, 5. set screw nut.

(5) embodiment

Be described in further detail the utility model below by embodiment and accompanying drawing.

As shown in Figure 1, comprise floating drum 1, sealing head 2, valve body 3, seal rubber pad 4 and set screw nut 5.Water purifier is connected by the outer screw thread of set screw nut and valve body 3 water intakes by seal rubber pad 4.Valve body 3 comprises intake pipe 3-1, housing 3-4 and guide sleeve 3-3, one circular pod apertures 3-2 is arranged between intake pipe and guide sleeve, the elastic hook 3-5 that 3 to 6 protrusions are arranged in housing, the flange at the socket 1-2 top of floating drum can be tangled, the guide sleeve periphery is the guide surface that floating drum 1 moves up and down.Floating drum 1 comprises that the sleeve pipe 1-4 on socket 1-2, honeycomb duct 1-3 and top and interior tubing string 1-6 constitute, be a planar annular between sleeve pipe and honeycomb duct, ring surface central authorities are interior tubing strings, are adorning silica gel sealing head 2 in the shrinkage pool above interior tubing string, sealing head can be spherical, also can be taper; Have water conservancy diversion through hole 1-1 on planar annular, the bottom of water conservancy diversion through hole is the honeycomb duct of floating drum 1, has a convex edge to hang on the elastic hook in valve body 3 housings at the socket top.

Its working procedure as shown in Figure 4, water purification in the water purifier water-purifying tank 6 flows down along pod apertures along the intake pipe of valve body, stream is on the silica gel sealing head 2 above the interior tubing string, around interior tubing string, drop between sleeve pipe and the honeycomb duct again, and the pod apertures of suitable planar annular enters the honeycomb duct of floating drum, honeycomb duct along floating drum enters in the water storage bag 6 of drinking machine again, the rising of water level in the drinking machine water storage bag, and the water outlet direction of water purifier buoyancy stop valve discharges water shown in the position as Fig. 2.When the water level in the drinking machine water storage bag rose to the floating drum bottom, with the air seal in the ring packing tube of floating drum, along with the rising of water level, the air in the ring packing tube was compressed, and moved thereby produce trying hard to recommend on the moving keg float of making progress, as shown in Figure 3.The silica gel sealing head 2 that install on floating drum top is lived the water seal toward current downflow in water-purifying tank when touching the following mouth of a river of valve body 3, thereby realizes the function of ending to current.When the user drinks from the drinking machine water intaking, drinking machine water storage bag 6 drawdown, under action of gravity, floating drum moves down with the decline of water level, the sealing head that install on floating drum top leaves the following mouth of a river of valve body, water purification in the water-purifying tank flows in the water storage bag of drinking machine once more, thereby realizes that the water level in the drinking machine water storage bag remains in certain scope.As shown in Figure 4.

In the utility model, adorning sealing head in the shrinkage pool of interior tubing string top, floating drum is that the guide sleeve along valve body moves up and down, here the surface of contact that relatively moves is the sleeve (as shown in Figure 2) that certain-length is arranged, basic maintenance with one heart can be by card in the process that moves up and down can to guarantee floating drum.And with the surface of contact at the following mouth of a river of the contacted valve body of silica gel sealing head be a loop line, can guarantee has good sealing effect when closed position.And water outlet direction of the present utility model is in the honeycomb duct at floating drum center (as shown in Figure 2), can not cause floating drum to tilt because of the deadweight toward the water of current downflow.

Claims

1, a kind of water purifier buoyancy stop valve, it is characterized in that: comprise valve body (3), valve body comprises housing (3-4), its section is a font, be provided with intake pipe (3-1) at an upper portion thereof, intake pipe is provided with outside thread, so that be connected with the water outlet of water purifier, be provided with guide sleeve (3-3) in housing, guide sleeve is communicated with intake pipe; Also comprise match with housing and can move up and down but the floating drum (1) that can not separate with it, floating drum (1) comprises that section is the socket of a font (1-1), be provided with the sleeve pipe (1-4) that cooperates with guide sleeve (3-3) on the top of socket, the relative guide sleeve of sleeve pipe can move up and down, and is provided with a tubing string (1-6) in the central authorities of sleeve pipe (1-4) and the below that is positioned at intake pipe; The below that is positioned at sleeve pipe (1-4) on socket (1-2) is provided with the honeycomb duct (1-3) that is communicated with it; Also comprise sealing head (2), sealing head is located on the interior tubing string (1-6).

2, water purifier buoyancy stop valve according to claim 1, it is characterized in that: housing (3-4) lower openings place is provided with the hook (3-5) more than three, top edge at socket (1-2) is provided with flange (1-5), and this flange cooperates with hook, and it is not separated.

3, water purifier buoyancy stop valve according to claim 1 is characterized in that: intake pipe (3-1) is communicated with by pod apertures (3-2) with guide sleeve (3-3), and this hole is over against the top of sealing head.

4, water purifier buoyancy stop valve according to claim 1 is characterized in that: sleeve pipe (1-4) is communicated with by annular water conservancy diversion through hole (1-1) with honeycomb duct (1-3).

5, water purifier buoyancy stop valve according to claim 1 is characterized in that: also can establish sleeve in the socket (1-2) between honeycomb duct.