CN203146976U - Flushing water tank water inlet valve element and permanent magnetic water inlet valve with same - Google Patents
Flushing water tank water inlet valve element and permanent magnetic water inlet valve with same Download PDFInfo
- Publication number
- CN203146976U CN203146976U CN 201320006419 CN201320006419U CN203146976U CN 203146976 U CN203146976 U CN 203146976U CN 201320006419 CN201320006419 CN 201320006419 CN 201320006419 U CN201320006419 U CN 201320006419U CN 203146976 U CN203146976 U CN 203146976U
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- Prior art keywords
- skirt
- valve
- seat
- bowl
- inlet
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Abstract
A flushing water tank water inlet valve element comprises a valve seat, a skirt film seat, an air valve block, a turning bowl and a skirt film sleeve. A retaining ring air inlet reserved on a retaining ring is communicated with a skirt film seat air inlet reserved on the skirt film seat. The skirt film seat air inlet is communicated with a lower opening of the skirt film seat. A water outlet of the turning bowl is wrapped in the periphery of the lower edge of the skirt film sleeve. A water outlet opening film attached to the lower port of the water outlet of turning bowl is formed on the lower portion of the skirt film sleeve. The air valve block can move up under impact of water flow in the turning bowl to seal the air inlet of the skirt film seat. When the air valve block is subjected to negative pressure in a water inlet valve, the air valve block attracts the turning bowl downwardly. The utility model further provides a flushing water tank permanent magnetic water inlet valve with the valve element. Under negative pressure, the air valve block on the valve element moves down to press the upper opening of the turning bowl, the water outlet opening film of the skirt film sleeve and the lower edge of the skirt film sleeve closely attaches to and attracts the water outlet of the turning bowl so as to seal water in a water outlet pipe, water is prevented from being sucked into a water inlet pipe even a water supply pipeline, and siphon is prevented.
Description
[technical field]
The utility model relates to valve field, particularly the permanent magnetism inlet valve of a kind of cistern inlet valve spool and this spool of employing.
[background technique]
Siphonage refers to because the effect of pressure difference, in the bend pipe both sides pressure of same liquid level not simultaneously, the liquid in the pipe will be towards the less side flow of pressure.
In the water-storing tank of sanitary bath equipment, hydraulic pressure to occur not enough or when cutting off the water when water supply line, is easy to generate siphonage, with water suck-back in the water-storing tank in water supply line.
According to the requirement of existing concerned countries standard, the water inlet system of sanitary bath equipment need be provided with anti-siphon means, avoids water suck-back in when inside and outside differential pressure is excessive water tank or other device to return water supply line and causes contaminated water source.
For avoiding producing siphonage when negative pressure appears in water supply line, many R﹠D institutions and producer improve structures such as valve, spools and are perfect.For example, record a kind of permanent magnet control toilet cistern water level valve in No. the 200610018585.5th, the Chinese invention patent.In this water level valve, the mode that installs the unidirectional diaphragm 18 of skirt-type between the inboard of the suction port W2 that adopts at sleeve pipe 10 and the valve seat 14 additional prevents siphon.Yet, in the application of reality, because the integral structure layout of valve arranges, make and have only the unidirectional diaphragm 18 of skirt-type enough could open under the situation greatly negative pressure occurring that this must cause the critical groundwater table must be enough low.Under the very low situation of critical groundwater table, working water level must arrange lowlyer.According to People's Republic of China's building material industry standard, the record among the JC987-2005 " tank for excrement pan accessory ", working water level is subcritical water level 35mm at least.This finally causes, and the valve body entire length is very long, the tank box height is very high, does not meet the Consumer to the requirement of tank for excrement pan.Otherwise if critical groundwater table inadequately under the low situation, the unidirectional diaphragm 18 of skirt-type can't be opened under negative pressure at all, and what siphonage can't be real is evaded.
[model utility content]
In view of this, for overcoming the deficiencies in the prior art, the utility model provides a kind of cistern inlet valve spool that effectively prevents negative-pressure siphon.
A kind of cistern inlet valve spool, comprise valve seat, skirt film seat, air valve plate and turn to bowl, described skirt film cover for seat is located on the described valve seat, described air valve plate is set on the described valve seat, the described bowl that turns to is set on the described valve seat and is positioned under the described skirt film seat, and described turning to offers osculum on the bowl.Described air valve plate places in the opening of described skirt film seat bottom, offer the back-up ring inlet hole and the skirt film seat inlet hole that are connected on described back-up ring and the skirt film seat respectively, described skirt film seat inlet hole communicates with the lower openings of skirt film seat, described spool also comprises the skirt Membrane cover, described skirt Membrane cover is set in described skirt film seat and turns to outside the bowl, the lower limb of described skirt Membrane cover wraps up the described osculum that turns to bowl outside to inside, and the bottom of described skirt Membrane cover is formed with the water outlet that fits with the described lower end mouth of osculum that turns to bowl and opens film.Described air valve plate seals described skirt film seat inlet hole when moving up enter the described impact of current that turns in the bowl from described valve seat under, described air valve plate holds the described bowl that turns to during suction function downwards in being subjected to inlet valve.
Preferably, described air valve plate and its are being Spielpassung between the installation place on described valve seat, described air valve plate lower end surface is provided with several air inlet ducts, described air inlet duct communicates with gap between described air valve plate and the described valve seat, and air can order enter the described bowl that turns to from gap, air inlet duct between described back-up ring inlet hole, described skirt film seat inlet hole, described air valve plate and the described valve seat when described air valve plate holds described turn to bowl.
Preferably, the lower end surface of described air valve plate is provided with four equally distributed air inlet ducts along the circumferential direction.
Preferably, the wall thickness of the more described skirt Membrane cover of the wall thickness other parts of film below is opened in described water outlet.
Preferably, described water outlet unlatching film is recessed arc-shaped recess.
Preferably, described spool further comprises the back-up ring that is set on the described valve seat and fixes described skirt film seat, described skirt Membrane cover is set in described skirt film seat and turns to outside the bowl, the top edge of described skirt Membrane cover snaps between described back-up ring and the skirt film seat in the formed circular groove, the middle part of described skirt Membrane cover is close to the outer wall of described skirt film seat and is formed the gap with the described periphery of bowl that turns to, and the bottom of described skirt Membrane cover is stuck on the described flange that turns to lower part of bowl and ecto-entad wraps up described osculum.
In view of this, the utility model also provides a kind of cistern permanent magnetism inlet valve that effectively prevents negative-pressure siphon.
A kind of cistern permanent magnetism inlet valve that adopts above-mentioned spool, comprise permanent magnet, armature, valve periosteum, keg float, intake pipe and outlet pipe, described permanent magnet links to each other with described keg float and together moves with described keg float, described armature can move up and down at the magnetic force lower edge of described permanent magnet axial direction, described valve periosteum can together move up and down along axial direction with the motion of armature, and described spool is arranged on described valve periosteum below.When described keg float moves up and down under the buoyancy of water effect in cistern, the described permanent magnet of drive that moves up and down of described keg float together moves up and down, described armature moves up and down under the magnetic force of described permanent magnet, and described valve periosteum opens or seal the upper end open of described spool with moving up and down of described armature.
Preferably, described permanent magnet ringwise, described armature is arranged in the annular hollow of described permanent magnet movably, described valve periosteum is arranged on the below of described armature.
Preferably, described armature top is provided with the compression spring, and described armature is in selectivity sealing under the acting in conjunction of the magnetic attracting force of the restoring force of described compression spring and described permanent magnet or open relief hole above the described valve periosteum.
Spool of the present utility model and the permanent magnetism inlet valve that adopts this spool are under the effect of negative pressure, air valve plate on the spool moves downward, push down the upper end the rim of a bowl that turns to bowl, the water outlet of skirt Membrane cover is opened film and lower edge and is close to and holds and turn to a bowl osculum, seal the water in the outlet pipe, anti-sealing is reached the effect that prevents siphon by in suction intake pipe even water supply line.
[description of drawings]
Fig. 1 is the sectional structure schematic representation of preferred embodiment cistern permanent magnetism inlet valve of the present utility model.
Fig. 2 is the sectional structure schematic representation of spool when water inlet of the cistern permanent magnetism inlet valve among Fig. 1.
Fig. 3 is the sectional structure schematic representation of spool when negative pressure of the cistern permanent magnetism inlet valve among Fig. 1.
Fig. 4 A, 4B are respectively plan view and the radial cross-section of the air valve plate of the spool among Fig. 1.
Fig. 5 is the amplification view of the skirt Membrane cover among Fig. 1.
[embodiment]
For understanding the utility model better, below with reference to accompanying drawing and instantiation the utility model is described in detail.
See also Fig. 1, the cistern inlet valve that preferred embodiment of the present utility model provides comprises permanent magnet 10, armature 20, valve periosteum 30, spool 40, keg float 50, intake pipe 60 and outlet pipe 70.Permanent magnet 10 is arranged on the top of inlet valve ringwise.Permanent magnet 10 links to each other with keg float 50 and together moves with keg float 50.Armature 20 is arranged in the annular hollow space of permanent magnet 10 movably, can move up and down at the magnetic force lower edge of described permanent magnet 10 axial direction.Valve periosteum 30 is arranged on the below of armature 20, can together move up and down along axial direction with the motion of armature 20.Spool 40 be arranged on valve periosteum 30 under, inlet valve is closed during the upper end open of valve periosteum 30 sealing spools 40, inlet valve was opened when valve periosteum 30 was opened the upper end open of spool 40.Outlet pipe 70 coaxial being arranged on outside the intake pipe 60, keg float 50 can be arranged on outside spool 40 and intake pipe 60, the outlet pipe 70 with moving axially.Keg float (50) moves up and down and drives permanent magnet 10 according to the height of water level in the cistern and together moves up and down.
Generally speaking, armature 20 gravity and above compress the relief hole (indicating) of draught excluder periosteum 30 tops under the double action of restoring force of spring (indicate), at this moment, valve periosteum 30 seals the upper end open of spool 40 downwards under the hydraulic pressure effect above the valve periosteum 30, and inlet valve is closed.
When cistern was washed by water, keg float 50 fell, permanent magnet 10 along with keg float 50 together down.In the process that permanent magnet 10 moves downward, the attraction force of 10 pairs of armature 20 of permanent magnet increases gradually, up moves up to holding armature 20 suddenly.Relief hole on the valve periosteum 30 is opened at this moment, and the hydraulic pressure of valve periosteum 30 tops descends, valve periosteum 30 below move upward under the effect of hydraulic pressure, open spool, water filling in the water tank.
Above-mentioned cistern inlet valve is closed inverse process for said process after water filling is finished in water tank.
Please in conjunction with consulting Fig. 2 and Fig. 3, spool 40 comprises valve seat 41, back-up ring 42, skirt film seat 43, air valve plate 44, turns to bowl 45 and skirt Membrane cover 46.Valve seat 41 is the main body of spool 40, and back-up ring 42 and skirt film seat 43 are set in the middle and upper part of valve seat 41, and back-up ring 42 is fixed skirt film seat 43.Offer the inlet hole 420,430 that is connected respectively on back-up ring 42 and the skirt film seat 43, skirt film seat inlet hole 430 communicates with the lower openings of skirt film seat 43.Air valve plate 44 is set in the middle part of valve seat 41, places in the opening of skirt film seat 43 bottoms.Air valve plate 40 and its are being Spielpassung between the installation place on valve seat 41.Please in conjunction with consulting Fig. 4 A, 4B, air valve plate 44 is made for the flexible rubber material, is preferably the silica gel material, and its lower end surface is provided with four equally distributed air inlet ducts 440 along the circumferential direction, and the number of air inlet duct 440 can be adjusted according to actual conditions.Turn to bowl 45 to be installed in the middle and lower part of valve seat 41, the basic level mutually in the lower end surface of its upper-end surface and skirt film seat 43 offers osculum 450 on the flange of its lower end.Please in conjunction with consulting Fig. 5, skirt Membrane cover 46 is set in skirt film seat 43, turns to outside the bowl 45, its top edge snaps between back-up ring 42 and the skirt film seat 43 in the formed circular groove, be close to the outer wall of skirt film seat 43 in the middle part of it and form the gap with the periphery that turns to bowl 45, its underpart is stuck on the flange that turns to bowl 45 bottoms and ecto-entad wraps up lower end surface and the osculum 450 that turns to bowl 45.The bottom of skirt Membrane cover 46 is formed with the water outlet that fits with the lower end mouth that turns to bowl 45 osculum 450 and opens film 460.Water outlet is opened film 460 and is downward arc-shaped recess, and water outlet is opened the wall thickness at film 460 places than the wall thickness of skirt Membrane cover 46 other parts.Skirt Membrane cover 46 is made for the flexible rubber material, is preferably the silica gel material.
See also Fig. 2, be depicted as the state of spool 40 when water inlet, arrow is depicted as the current trend among the figure.When the keg float 50 of cistern permanent magnetism inlet valve fell, inlet valve was opened.After water enters the top of valve seat 41 from the both sides, bottom of spool 40, enter the water intake in the middle of the valve seat 41.The water that enters from water intake is through turning to bowl 45, and the impulse force of current is air valve plate 44 jack-up upwards, thereby seals the lower end mouth of the inlet hole 430 on the skirt film seat 43.Water is through turning to bowl 45 osculum 450, and the depression in the film 460 is opened in the water outlet that enters skirt Membrane cover 46.Because skirt Membrane cover 46 is that the wall thickness of flexible material and water outlet unlatching film 460 is thinner, thereby the lower edge of skirt Membrane cover 46 is opened the passage of the outlet pipe 70 of formation current direction inlet valve from water outlet unlatching film 460.
See also Fig. 3, be depicted as the state of spool 40 when negative pressure appears in water supply line, arrow is depicted as the air-flow trend among the figure.When because of cut off the water, when reason such as hydraulic pressure deficiency produces negative pressure, under the effect of negative pressure, the air valve plate 44 on the spool 40 moves downward, and pushes down the upper end the rim of a bowl that turns to bowl 45.Skirt Membrane cover 46 lower edges are close to and are held and turn to bowl 45 osculums 450, seal the water in the outlet pipe 70, and anti-sealing is reached the effect that prevents siphon by to sucking in intake pipe 60 even the water supply line.Simultaneously, air enters from the inlet hole 430 of skirt film seat 43, slowly enters air inlet duct 440 along the gap between air valve plate 44 and the valve seat 41 again and enters spool 40 water intakes, and the balance inside and outside differential pressure prevents that air valve plate 44 from being inhaled extremely.
In sum, above-mentioned spool 40 utilizes the start up and down of air valve plate 44 to realize intaking and the effect of anti-siphon, also adopts the mode of utilizing air valve plate 44 slow air inlets to prevent that air valve plate 44 from inhaling extremely simultaneously, can be widely used in all kinds of inlet valves.Above-mentioned spool 40 anti-siphon effect are good, can reach through overtesting and really stop flow backwards, have positive realistic function.
The above exemplifying embodiment has only been expressed part mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. cistern inlet valve spool, comprise valve seat (41), skirt film seat (43), air valve plate (44) and turn to the bowl (45), described skirt film seat (43) is set on the described valve seat (41), described air valve plate (40) is set on the described valve seat (41), describedly turn to bowl (45) to be set in described valve seat (41) to go up and be positioned under the described skirt film seat (43), described turning on the bowl (45) offers osculum (450), it is characterized in that: described air valve plate (44) places in the opening of described skirt film seat (43) bottom, offer the back-up ring inlet hole (420) and the skirt film seat inlet hole (430) that are connected on described back-up ring (42) and the skirt film seat (43) respectively, described skirt film seat inlet hole (430) communicates with the lower openings of skirt film seat (43), described spool also comprises skirt Membrane cover (46), described skirt Membrane cover (46) is set in described skirt film seat (43) and turns to outside the bowl (45), the lower limb of described skirt Membrane cover (46) wraps up the described osculum (450) that turns to bowl (45) outside to inside, the bottom of described skirt Membrane cover (46) is formed with described and turns to the water outlet that fits of osculum (450) lower end mouth of bowl (45) to open film (460), described air valve plate (44) seals described skirt film seat inlet hole (430) when moving up enter the described impact that turns to the current of bowl in (45) from described valve seat (41) under, described air valve plate holds described turn to bowl (45) during suction function downwards in being subjected to inlet valve.
2. cistern inlet valve spool according to claim 1, it is characterized in that: described air valve plate (44) and its are gone up at described valve seat (41) and are Spielpassung between the installation place, described air valve plate (44) lower end surface is provided with several air inlet ducts (440), described air inlet duct (440) communicates with gap between described air valve plate (44) and the described valve seat (41), when described air valve plate (44) hold described when turning to bowl (45) air can order from described back-up ring inlet hole (420), described skirt film seat inlet hole (430), gap between described air valve plate (44) and the described valve seat (41), air inlet duct (440) enters the described bowl that turns to.
3. cistern inlet valve spool according to claim 2, it is characterized in that: the lower end surface of described air valve plate (44) is provided with four equally distributed air inlet ducts (440) along the circumferential direction.
4. cistern inlet valve spool according to claim 1, it is characterized in that: the wall thickness of the more described skirt Membrane cover of wall thickness (46) other parts of film (460) below is opened in described water outlet, so that open downwards under the effect of the lower edge of described skirt Membrane cover (46) hydraulic pressure in film (460) is opened in described water outlet.
5. cistern inlet valve spool according to claim 4 is characterized in that: described water outlet is opened film (460) and is recessed arc-shaped recess.
6. cistern inlet valve spool according to claim 5, it is characterized in that: described spool further comprises the back-up ring (42) that is set in described valve seat (41) upward and fixes described skirt film seat (43), described skirt Membrane cover (46) is set in described skirt film seat (43) and turns to outside the bowl (45), the top edge of described skirt Membrane cover (46) snaps between described back-up ring (42) and the skirt film seat (43) in the formed circular groove, the middle part of described skirt Membrane cover (46) is close to the outer wall of described skirt film seat (43) and is formed the gap with the described periphery of bowl (45) that turns to, and the bottom of described skirt Membrane cover (46) is stuck on the described flange that turns to bowl (45) bottom and ecto-entad wraps up described osculum (450).
7. an employing is according to the cistern permanent magnetism inlet valve of each described spool in the claim 1 to 6, it is characterized in that: described permanent magnetism inlet valve comprises permanent magnet (10), armature (20), valve periosteum (30), keg float (50), intake pipe (60) and outlet pipe (70), described permanent magnet (10) links to each other with described keg float (50) and together moves with described keg float (50), described armature (20) can move up and down at the magnetic force lower edge of described permanent magnet (10) axial direction, described valve periosteum (30) can together move up and down along axial direction with the motion of armature (20), and described spool (40) is arranged on described valve periosteum (30) below; When described keg float (50) moves up and down under the buoyancy of water effect in cistern, the described permanent magnet of drive (10) that moves up and down of described keg float (50) together moves up and down, described armature (20) moves up and down under the magnetic force of described permanent magnet (10), and the upper end open of described spool (40) is opened or sealed to described valve periosteum (30) with moving up and down of described armature (20).
8. cistern permanent magnetism inlet valve according to claim 7, it is characterized in that: described permanent magnet (10) ringwise, described armature (20) is arranged in the annular hollow of described permanent magnet (10) movably, and described valve periosteum (30) is arranged on the below of described armature (20).
9. cistern permanent magnetism inlet valve according to claim 8, it is characterized in that: described armature (20) top is provided with the compression spring, described armature (20) selectivity sealing or open the relief hole of described valve periosteum (30) top under the acting in conjunction of the magnetic attracting force of the restoring force of described compression spring and described permanent magnet (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006419 CN203146976U (en) | 2013-01-07 | 2013-01-07 | Flushing water tank water inlet valve element and permanent magnetic water inlet valve with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006419 CN203146976U (en) | 2013-01-07 | 2013-01-07 | Flushing water tank water inlet valve element and permanent magnetic water inlet valve with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146976U true CN203146976U (en) | 2013-08-21 |
Family
ID=48974500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006419 Expired - Lifetime CN203146976U (en) | 2013-01-07 | 2013-01-07 | Flushing water tank water inlet valve element and permanent magnetic water inlet valve with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062482A (en) * | 2013-01-07 | 2013-04-24 | 付文甫 | Spool of inlet valve of flush water tank and permanent magnet inlet valve with spool |
-
2013
- 2013-01-07 CN CN 201320006419 patent/CN203146976U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062482A (en) * | 2013-01-07 | 2013-04-24 | 付文甫 | Spool of inlet valve of flush water tank and permanent magnet inlet valve with spool |
| CN103062482B (en) * | 2013-01-07 | 2015-02-18 | 付文甫 | Spool of inlet valve of flush water tank and permanent magnet inlet valve with spool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150218 |
|
| RGAV | Abandon patent right to avoid regrant |