CN104344057A - Washing machine water inlet valve and water inlet method - Google Patents
Washing machine water inlet valve and water inlet method Download PDFInfo
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- CN104344057A CN104344057A CN201310322614.7A CN201310322614A CN104344057A CN 104344057 A CN104344057 A CN 104344057A CN 201310322614 A CN201310322614 A CN 201310322614A CN 104344057 A CN104344057 A CN 104344057A
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- spool
- limited edge
- valve
- washing machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0672—One-way valve the valve member being a diaphragm
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Textile Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a washing machine water inlet valve and a water inlet method. The washing machine water inlet valve comprises a valve chamber, a casing, a valve core, an electromagnetic coil, a water inlet, a water outlet, a back pressure chamber and a membrane plate, wherein the valve core is positioned on the inner circumference of the casing and can move up and down along the casing; the electromagnetic coil is positioned at the periphery of the casing; the water inlet and the water outlet are formed in the valve chamber; the back pressure chamber is positioned below the casing; the membrane plate is provided with a central hole; the upper end part of the casing is provided with a guide groove; the guide groove is provided with a clamping part; the upper end part of the valve core is fixedly provided with a hook which can swing radially; the electromagnetic coil produces pulse type electromagnetic force to the valve core by using pulse type electrification. According to the washing machine water inlet valve and the water inlet method, the power consumption of the water inlet valve is reduced, the water inlet noise is reduced, and meanwhile the service life of the washing machine water inlet valve is prolonged on the premise of meeting the requirement of a water inlet function; the water inlet valve has a simple structure and contributes to large-scale popularization and application.
Description
Technical field
The invention belongs to washing machine field, be specifically related to a kind of water intake valve of washing machine and inlet method.
Background technique
Water intake valve of washing machine is used to control the flow of washing machine inflow and the parts of the flow direction, and existing market generally adopts electromagnetic type inlet valve.The electromagnetic type inlet valve 100 of prior art shown in Figure 1, comprise valve chamber 110, underpart is provided with the spool 120 of valve core cap 121, sleeve pipe 130, be positioned at the electromagnetic coil 140 of sleeve pipe 130 inner circumferential, be arranged on water intake 150 on valve chamber 110 and water outlet 160 and the back pressure chamber 170 be positioned at below sleeve pipe 130 and diaphragm plate 180, diaphragm plate 180 is provided with center hole 181 and other hole 182, and between back pressure chamber 170 and valve chamber 110, wire coil 140 is by Wiring harness connector 142, the electrical connection of splicing ear 143 and outside controller (scheming not shown), at water intake 150, place is respectively equipped with filter screen 151, flow ring 152 and guide ring 153, at water outlet 160, place is provided with piezometer ring 161, sleeve pipe 130 inner circumferential is provided with sleeve cap 131, spool 120 is positioned at sleeve cap 131 inner circumferential, and Compress Spring 141 is provided with between sleeve cap 131 and spool 120, control spool 120 by the energising of electromagnetic coil 140 and power-off to move up and down in sleeve cap 131.
The specific works principle of said structure is: when original state, electromagnetic coil 140 is not energized, spool 120 is positioned at sleeve pipe 130, and valve core cap 121 is on the center hole 181 of diaphragm plate 180, valve core cap 121 plays the sealing function to center hole 181, makes center hole 181 be positioned at back pressure chamber 170 one end and is in sealing state.
When electromagnetic coil 140 is energized, water enters valve chamber 110 from water intake 150, back pressure chamber 170 is entered by the other hole 182 of diaphragm plate 180, the electromagnetic force that electromagnetic coil 140 produces overcomes the compressive force of Compress Spring 141, spool 120 is moved up along sleeve pipe 130, center hole 181 from being positioned at diaphragm plate 180 is departed from, water intake velocity in back pressure chamber 170 is less than water speed, cause the pressure drop of back pressure chamber 170 indoor, the pressure of diaphragm plate 180 suffered by valve chamber 110 one end is greater than the pressure born in back pressure chamber 170 one end, diaphragm plate 180 is away from valve chamber 110, thus make current directly flow to water outlet 160 from water intake 150, namely be in into water state.
When electromagnetic coil 140 power-off, electromagnetic force disappears, spool 120 is got back to original state position due to the compressive force of Compress Spring 141 and self gravitation and is blocked by the center hole 181 of diaphragm plate 180, now, current can only enter back pressure chamber 170 by other hole 182, current in back pressure chamber 170 cannot flow out from center hole 181, the water in back pressure chamber 170 is made to increase rapidly, when diaphragm plate 180 is greater than at the pressure that back pressure chamber 170 one end is born the pressure born in valve chamber 110 one end, diaphragm plate 180 presses to valve chamber 110, valve seat surface is pushed down, current are stoped directly to flow to water outlet 160 from water intake 150, namely be in and stop water inlet state.
Therefore, existing washing machine electromagnetic type inlet valve structure requires when the state of water inlet, electromagnetic coil belongs to "on" position all the time, power consumption is large, and due to electromagnetic coil be in all the time when the state of water inlet long between working state, inevitable generation electromagnetic noise, also further reduces the working life of water intake valve of washing machine.
For solving the problems of the technologies described above, publication number is that the Chinese patent of CN2210291Y discloses a kind of solenoid valve, in solenoid valve, add pressing ring gear and pressurized ring gear and support axle sleeve and check lever, wherein dynamic iron core is placed in conduit bottom, load pressing ring gear successively above, pressurized ring gear, support axle sleeve and spring, check lever is placed on to be supported in axle sleeve, pressurized ring gear and pressing ring gear center hole, intention realizes in the not power consumption of electromagnetic valve work state, but the ring gear formula vibrational power flow that this patent adopts is crossed as complexity, is unfavorable for carrying out actual applying.
Therefore be necessary to improve existing washing machine electromagnetic type inlet valve.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of water intake valve of washing machine and inlet method, under the prerequisite meeting inlet function, reduce the power consumption of inlet valve, reduce water inlet noise, extend water intake valve of washing machine working life simultaneously, and structure is simple, the scale of being beneficial to is applied.
To achieve these goals, technological scheme provided by the invention is as follows:
A kind of water intake valve of washing machine, comprise valve chamber, sleeve pipe, be positioned at sleeve pipe inner circumferential and along sleeve pipe spool moving up and down, be positioned at sleeve pipe periphery electromagnetic coil, be positioned at water intake on valve chamber and water outlet and the back pressure chamber be positioned at below sleeve pipe and be provided with the diaphragm plate of center hole, described sleeve upper end portion is provided with guide groove, guide groove is provided with engagement portion, described spool upper end portion is fixed with the hook that can radially wobble, and described electromagnetic coil adopts pulsed energization to produce pulsed electromagnetic force to spool; Wherein,
Described spool comprises the first state, the second state and the third state;
The first described state is: spool underpart and center hole are socketed and seal, and hook and engagement portion depart from;
The second described state is: spool underpart and center hole depart from, and hook and engagement portion depart from;
The described third state is: spool underpart and center hole depart from, and hook engages with engagement portion;
Under the combination of described pulsed electromagnetic force and spool self gravitation, described spool and hook simultaneous displacement, realize successively in the first state, the second state, carry out circulation conversion between the third state and the second state.
Preferably, be provided with in described guide groove and be interconnected and the first passage of up/down perforation and second channel, the hook displacement path of described first passage as spool from the first state to the second State Transferring, when changing to the third state again, described second channel as spool from the third state to the second State Transferring, again to hook displacement path during the first State Transferring.
Preferably, comprise the first joint above and below laying respectively at and the second joint between described first passage and second channel, the first described joint forms described engagement portion.
Preferably, the first described joint is also provided with first passage switching part, for guaranteeing that hook is from first passage to second channel switching displacement; The second described joint is provided with second channel switching part, for guaranteeing that hook is from second channel to first passage switching displacement.
Preferably, the first described joint comprises the second position-limited edge and the 7th position-limited edge, described first passage comprises the first position-limited edge, described second channel comprises the 3rd position-limited edge, the second described position-limited edge is between the first position-limited edge and the 3rd position-limited edge, and it is highly less than the first position-limited edge and the 3rd position-limited edge, the first described position-limited edge, the second position-limited edge and the 3rd position-limited edge are interconnected to form described engagement portion; The 7th described position-limited edge is between the first position-limited edge and the second position-limited edge, and its height is between the first position-limited edge and the second position-limited edge, and the 7th described position-limited edge is as described first passage switching part.
Preferably, the second described joint comprises the 4th position-limited edge, described second channel comprises interconnective 9th position-limited edge and the tenth position-limited edge, the 4th described position-limited edge is between the 9th position-limited edge and the tenth position-limited edge, and it is highly greater than the tenth position-limited edge, the 4th described position-limited edge is as described second channel switching part.
Preferably, described sleeve pipe inner circumferential is provided with sleeve cap, described spool is positioned at sleeve cap inner circumferential, and can be able to move up and down along sleeve cap, and hook extends in guide groove from hitching cap, the Compress Spring that compressive force is provided is provided with, for guaranteeing that spool is from the second state to the first State Transferring between described sleeve cap and spool.
Preferably, the described pulsed energization time is 10-100ms.
Preferably, described spool underpart is provided with the valve core cap for center hole socket sealing.
Preferably, the inlet method of water intake valve of washing machine as above, its operating procedure comprises:
A), pulsed energization is carried out to electromagnetic coil and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, described spool is from the first state to the second State Transferring, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve enters into water state;
B), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, described spool is changed from the second state to the third state, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve is in into water state all the time;
C), to electromagnetic coil again carry out pulsed energization and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, and described spool is from the third state to the second State Transferring, and inlet valve is still in into water state;
D), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, described spool is from the second state to the first State Transferring, diaphragm plate is greater than the pressure born in valve chamber one end at the pressure that back pressure chamber one end is born, diaphragm plate presses to valve chamber, pushed down by valve seat surface, stop current directly to flow to water outlet from water intake, inlet valve is in and stops water inlet state;
E), according to the water inlet of washing machine with stop water inlet demand, circulation performs above-mentioned step a), step b), step c) and step d).
The present invention proposes on washing machine inflow valve, arrange hook and guide groove, hook is fixedly installed on spool, move realization along guide groove under linking up with the pulse-electromagnetic force effect produced at electromagnetic coil pulse electrifying to carry out engaging or departing from the engagement portion of guide groove, particularly, when water intake valve of washing machine receives into water instruction, to electromagnetic coil pulse electrifying, spool moves up, depart from the center hole on diaphragm plate, water intake valve of washing machine enters into water state, engaged with engagement portion by hook simultaneously, make water intake valve of washing machine be in into water state for a long time, when water intake valve of washing machine receives stopping water inlet instruction, again to electromagnetic coil pulse electrifying, hook and engagement portion depart from, and after the decoupling, rely on self gravitation effect, spool moves down to be socketed with the center hole on diaphragm plate and seals, washing machine is in and stops water inlet state, thus the present invention only needs to pass to a pulse-type current when the water inlet of water intake valve of washing machine needs and stopping water inlet respectively to electromagnetic coil respectively, do not need the work that is energized for a long time when the state of water inlet, thus the power consumption of inlet valve is effectively reduced, reduce into water noise, substantially prolongs the working life of water intake valve of washing machine simultaneously, and structure of the present invention is simple, the scale of being beneficial to is applied.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure sectional view of the electromagnetic type inlet valve of prior art;
Fig. 2 is the structure sectional view of inlet valve when spool 220 is in the second state in the specific embodiment of the invention;
Fig. 3 is the structure sectional view of the inlet valve shown in Fig. 2 when spool 220 is in the third state;
Fig. 4 is the structure sectional view of the inlet valve shown in Fig. 2 when spool 220 is in the first state;
Fig. 5 is the structure sectional view of guide groove 291 in the specific embodiment of the invention;
Fig. 6 is spool 220 in the specific embodiment of the invention displacement path figure of hook 222 in first passage 10 from the first state to the second State Transferring, when changing to the third state again;
Fig. 7 is that spool 220 in the specific embodiment of the invention is from the third state to the second State Transferring, again to the displacement path figure of the hook 222 during the first State Transferring in first passage 10.
Embodiment
The embodiment of the invention discloses a kind of water intake valve of washing machine, comprise valve chamber, sleeve pipe, be positioned at sleeve pipe inner circumferential and along sleeve pipe spool moving up and down, be positioned at sleeve pipe periphery electromagnetic coil, be positioned at water intake on valve chamber and water outlet and the back pressure chamber be positioned at below sleeve pipe and be provided with the diaphragm plate of center hole, sleeve upper end portion is provided with guide groove, guide groove is provided with engagement portion, spool upper end portion is fixed with the hook that can radially wobble, and electromagnetic coil adopts pulsed energization to produce pulsed electromagnetic force to spool; Wherein,
Spool comprises the first state, the second state and the third state;
First state is: spool underpart and center hole are socketed and seal, and hook and engagement portion depart from;
Second state is: spool underpart and center hole depart from, and hook and engagement portion depart from;
The third state is: spool underpart and center hole depart from, and hook engages with engagement portion;
Under the combination of pulsed electromagnetic force and spool self gravitation, spool and hook simultaneous displacement, realize successively in the first state, the second state, carry out circulation conversion between the third state and the second state.
The embodiment of the invention also discloses the inlet method of as above water intake valve of washing machine, its operating procedure comprises: its operating procedure comprises:
A), pulsed energization is carried out to electromagnetic coil and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, spool is from the first state to the second State Transferring, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve enters into water state;
B), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, spool is changed from the second state to the third state, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve is in into water state all the time;
C), to electromagnetic coil again carry out pulsed energization and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, and spool is from the third state to the second State Transferring, and inlet valve is still in into water state;
D), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, spool is from the second state to the first State Transferring, diaphragm plate is greater than the pressure born in valve chamber one end at the pressure that back pressure chamber one end is born, diaphragm plate presses to valve chamber, pushed down by valve seat surface, stop current directly to flow to water outlet from water intake, inlet valve is in and stops water inlet state;
E), according to the water inlet of washing machine with stop water inlet demand, circulation performs above-mentioned step a), step b), step c) and step d).
The embodiment of the present invention proposes on washing machine inflow valve, arrange hook and guide groove, hook is fixedly installed on spool, move realization along guide groove under linking up with the pulse-electromagnetic force effect produced at electromagnetic coil pulse electrifying to carry out engaging or departing from the engagement portion of guide groove, particularly, when water intake valve of washing machine receives into water instruction, to electromagnetic coil pulse electrifying, spool moves up, depart from the center hole on diaphragm plate, water intake valve of washing machine enters into water state, engaged with engagement portion by hook simultaneously, make water intake valve of washing machine be in into water state for a long time, when water intake valve of washing machine receives stopping water inlet instruction, again to electromagnetic coil pulse electrifying, hook and engagement portion depart from, and after the decoupling, rely on self gravitation effect, spool moves down to be socketed with the center hole on diaphragm plate and seals, washing machine is in and stops water inlet state, thus the embodiment of the present invention only needs to pass to a pulse-type current when the water inlet of water intake valve of washing machine needs and stopping water inlet respectively to electromagnetic coil respectively, do not need the work that is energized for a long time when the state of water inlet, thus the power consumption of inlet valve is effectively reduced, reduce into water noise, substantially prolongs the working life of water intake valve of washing machine simultaneously, and the structure of the embodiment of the present invention is simple, the scale of being beneficial to is applied.
Technological scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Refer to shown in Fig. 2, Fig. 3 and Fig. 4, a kind of water intake valve of washing machine 200, comprise valve chamber 210, sleeve pipe 230, be positioned at sleeve pipe 230 inner circumferential and along sleeve pipe 230 spool 220 moving up and down, be positioned at sleeve pipe 230 periphery electromagnetic coil 240, be positioned at water intake 250 on valve chamber 210 and water outlet 260 and the back pressure chamber 270 be positioned at below sleeve pipe 230 and diaphragm plate 280, diaphragm plate 280 is provided with center hole 281 and other hole 282, and between back pressure chamber 270 and valve chamber 210.
Preferably, in the present embodiment, wire coil 240 is by Wiring harness connector 242, the electrical connection of splicing ear 243 and outside controller (scheming not shown), at water intake 250, place is respectively equipped with filter screen 251, flow ring 252 and guide ring 253, at water outlet 260, place is provided with piezometer ring 261, sleeve pipe 230 inner circumferential is provided with sleeve cap 231, spool 220 is positioned at sleeve cap 231 inner circumferential, and its underpart is provided with valve core cap 221, the material of valve core cap 221 generally selects plastics, guarantee sealing effect, spool 220 can be able to move up and down along sleeve cap 231, the Compress Spring 241 that compressive force is provided is provided with between sleeve cap 231 and spool 220.
Wherein, sleeve pipe 230 upper end portion is provided with guide groove 290, guide groove 290 is provided with engagement portion 291, spool 220 upper end portion is fixed with the hook 222 that can radially wobble, and hook 222 extends in guide groove 290 from hitching cap 231, electromagnetic coil 240 adopts pulsed energization to produce pulsed electromagnetic force to spool 220, wherein
Spool 220 comprises the first state, the second state and the third state, and the first state is: valve core cap 221 and the center hole 281 of spool 220 underpart are socketed and seal, and hook 222 and engagement portion 291 depart from; Second state is: valve core cap 221 and the center hole 281 of spool 220 underpart depart from, and hook 222 and engagement portion 291 depart from; The third state is: valve core cap 221 and the center hole 281 of spool 220 underpart depart from, and hook 222 engages with engagement portion 291; Under the combination of the compressive force provided at pulsed electromagnetic force and spool 220 self gravitation and Compress Spring 241, spool 220 and hook 222 simultaneous displacements, realize successively in the first state, the second state, carry out circulation conversion between the third state and the second state.
Refer to shown in Fig. 5, Fig. 6 and Fig. 7, preferably, in the present embodiment, be provided with in guide groove 290 be interconnected and in first passage 10(Fig. 6 of up/down perforation shown in arrow) and second channel 20(Fig. 7 in arrow shown), hook 222 displacement path of first passage 10 as spool 220 from the first state to the second State Transferring, when changing to the third state again, second channel 20 as spool 220 from the third state to the second State Transferring, again to hook 222 displacement path during the first State Transferring.
Specifically preferably, in the present embodiment, guide groove 290 comprises the first groove face 292 and the second groove face 293, first groove face 292 at least comprises the first position-limited edge 1, second position-limited edge 2, the 3rd position-limited edge 3 and the 4th position-limited edge 4 that are connected to each other successively, second position-limited edge 2 is between the first position-limited edge 1 and the 3rd position-limited edge 3, and it is highly less than the first position-limited edge 1 and the 3rd position-limited edge 3; The height of the 4th position-limited edge 4 is less than the second position-limited edge 2; Second groove face 293 at least comprises the 5th position-limited edge 5, the 6th position-limited edge 6, the 7th position-limited edge 7, the 8th position-limited edge 8, the 9th position-limited edge 9 and the tenth position-limited edge 10 that are connected to each other successively, the height of the 6th position-limited edge 6 is greater than the 5th position-limited edge 5, the height that the height of the 7th position-limited edge 7 is less than the 6th position-limited edge 6 and the 8th position-limited edge the 8, nine position-limited edge 9 is greater than the tenth position-limited edge 10; Wherein,
First position-limited edge 1 is between the 5th position-limited edge 5 and the 6th position-limited edge 6,6th position-limited edge 6 is between the first position-limited edge 1 and the 7th position-limited edge 7,7th position-limited edge 7 is between the first position-limited edge 1 and the second position-limited edge 2, the height of the 7th position-limited edge 7 is between the first position-limited edge 1 and the second position-limited edge 2, and the height of the first position-limited edge 1 is between the 6th position-limited edge 6 and the 7th position-limited edge 7;
3rd position-limited edge 3 is between the 7th position-limited edge 7 and the 8th position-limited edge 8, and the height of the 8th position-limited edge 8 is greater than the 3rd position-limited edge the 3, four position-limited edge 4 between the 9th position-limited edge 9 and the tenth position-limited edge 10, and it is highly greater than the tenth position-limited edge 10;
Interconnective 4th position-limited edge 4, first position-limited edge 1 and the second position-limited edge 2 and interconnective 5th position-limited edge 5, the 6th position-limited edge 6 and the 7th position-limited edge 7 form first passage 10; Interconnective second position-limited edge 2, the 3rd position-limited edge 3 and the 4th position-limited edge 4 and interconnective 7th position-limited edge 7, the 8th position-limited edge 8, the 9th position-limited edge 9 and the tenth position-limited edge 10 form second channel 20; The first joint above and below laying respectively at and the second joint is comprised between first passage 10 and second channel 20, first joint comprises the second position-limited edge 2 and the 7th position-limited edge 7, first position-limited edge 1, second position-limited edge 2 and the 3rd position-limited edge 3 are interconnected to form engagement portion 291, engagement portion 291 is groove face shape, 7th position-limited edge 7 as first passage switching part, for guaranteeing that hook 222 carries out switching displacement like clockwork from first passage 10 to second channel 20; Second joint comprises the 4th position-limited edge 4,4th position-limited edge 4 is as second channel switching part, for guaranteeing that hook 222 carries out switching displacement like clockwork from second channel 20 to first passage 10, and then guarantee that hook 222 can not lose efficacy because displacement sequence mistake occurs that engaging was lost efficacy or departed from, there is failed possibility when finally avoiding spool 220 to change between different conditions.
Preferably, in the present embodiment, each junction surface between the position-limited edge be connected to each other is plane, curved surface can certainly be set to, also new position-limited edge can be set between each position-limited edge, as long as these settings do not affect the displacement function of above-mentioned hook 222 in first passage 10 and second channel 20, be understood that, these settings should all belong to claims of the present invention, carry out engaging and departing from effect with engagement portion 291 to improve hook 222 further, 6th position-limited edge 6 and the 7th position-limited edge 7 and the junction surface between the 8th position-limited edge 8 and the 9th position-limited edge 9 are groove surface 294.
Preferably, in the present embodiment, the pulsed energization time is 10-100ms, particularly, 40-50ms can be set to, the concrete time can be selected according to actual needs, moves up as long as the time of pulsed energization continues to hook 222 and arrives the position carrying out with engagement portion 291 engaging or departing from.
Present embodiment provide only the optimal enforcement example that spool 220 can carry out highly automated conversion between each state, natch, in other embodiments, guide groove 290 can also be arranged to other shapes, as long as meet the conversion of spool 220 of the present invention between each state.
The inlet method of the water intake valve of washing machine that the present embodiment is above-mentioned, its concrete operation step comprises:
When original state, electromagnetic coil 240 is not energized, spool 220 is positioned at sleeve pipe 230, and valve core cap 221 is on the center hole 281 of diaphragm plate 280, valve core cap 221 and center hole 281 are socketed, and play the sealing function to center hole 281, make center hole 281 be positioned at back pressure chamber 270 one end and be in sealing state, be the first state herein, now inlet valve is for stopping water inlet state.
A), refer to Fig. 2 and Fig. 6, when water intake valve of washing machine 200 receives into water instruction, pulsed energization is carried out to electromagnetic coil 240, water enters valve chamber 210 from water intake 250, back pressure chamber 270 is entered by the other hole 282 of diaphragm plate 280, under pulsed electromagnetic force, overcome the compressive force of Compress Spring 241 and the self gravitation of spool 220, the valve core cap 211 of spool 220 departs from the center hole 281 of diaphragm plate 280, while spool 220 moves up along sleeve cap 231, hook 222 is along in first passage 10(Fig. 6 shown in arrow) move up, namely spool 220 is from the first state to the second State Transferring, water intake velocity in back pressure chamber 270 is less than water speed, cause the pressure drop of back pressure chamber 270 indoor, the pressure of diaphragm plate 280 suffered by valve chamber 210 one end is greater than the pressure born in back pressure chamber 270 one end, diaphragm plate 280 is away from valve chamber 210, thus make current directly flow to direction shown in arrow water outlet 260(Fig. 2 from water intake 250), inlet valve 200 enters into water state.
B), refer to Fig. 3 and Fig. 6, stop carrying out pulsed energization to electromagnetic coil 240, under the compressive force and the effect of spool 220 self gravitation of Compress Spring 241, hook 222 is along in first passage 10(Fig. 6 shown in arrow) move down and engage with engagement portion 291, namely spool 220 is changed from the second state to the third state, the pressure of diaphragm plate 280 suffered by valve chamber 210 one end is greater than the pressure born in back pressure chamber 270 one end, diaphragm plate 280 is away from valve chamber 210, thus make current directly flow to direction shown in arrow water outlet 260(Fig. 3 from water intake 250), inlet valve 200 is in all the time into water state.
C), refer to Fig. 2 and Fig. 7, when water intake valve of washing machine 200 receives stopping water inlet instruction, pulsed energization is carried out again to electromagnetic coil 240 and produces pulsed electromagnetic force, overcome the compressive force of Compress Spring 241 and the self gravitation of spool 220, hook 222 is along in second channel 20(Fig. 7 shown in arrow) moving up makes hook 222 and engagement portion 291 depart from, namely spool 220 is from the third state to the second State Transferring, now, the pressure of diaphragm plate 280 suffered by valve chamber 210 one end is still greater than the pressure born in back pressure chamber 270 one end, diaphragm plate 280 is away from valve chamber 210, current are still direct flows to direction shown in arrow water outlet 260(Fig. 2 from water intake 250), inlet valve 200 is still in into water state, but be about to enter and stop water inlet state.
D), refer to Fig. 4 and Fig. 7, stop carrying out pulsed energization to electromagnetic coil 240, under the compressive force (in Fig. 4 direction shown in the downward arrow in Compress Spring 241 place) and the effect of spool 220 self gravitation of Compress Spring 241, spool 220 moves down along sleeve cap 231, be arranged in the hook 222 of spool 220 upper end portion along shown in second channel 20(Fig. 7 arrow simultaneously) move down, make the valve core cap 211 of spool 220 get back to original state position and center hole 281 to be socketed and to seal, namely spool 220 is from the second state to the first State Transferring, now, current can only enter back pressure chamber 270 by other hole 282, current in back pressure chamber 270 cannot flow out from center hole 281, the water in back pressure chamber 270 is made to increase rapidly, when the pressure that diaphragm plate 280 bears in back pressure chamber 270 one end (shown in the downward arrow above Fig. 4 septation plate 280 direction) is greater than pressure (below Fig. 4 septation plate 280 to direction shown in upward arrow) that bear in valve chamber 210 one end, diaphragm plate 280 presses to valve chamber 210, valve seat surface is pushed down, current are stoped directly to flow to water outlet 260 from water intake 250, inlet valve 200 is in and stops water inlet state.
E), according to the water inlet of washing machine with stop water inlet requirement command, circulation performs above-mentioned step a), step b), step c) and step d).
The embodiment of the present invention only needs to pass to a pulse-type current when the water inlet of water intake valve of washing machine needs and stopping water inlet respectively to electromagnetic coil 240 respectively, do not need the work that is energized for a long time when the state of water inlet, thus the power consumption of inlet valve is effectively reduced, reduce into water noise, substantially prolongs the working life of water intake valve of washing machine simultaneously, and the structure of the embodiment of the present invention is simple, the scale of being beneficial to is applied.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (10)
1. a water intake valve of washing machine, comprise valve chamber, sleeve pipe, be positioned at sleeve pipe inner circumferential and along sleeve pipe spool moving up and down, be positioned at sleeve pipe periphery electromagnetic coil, be positioned at water intake on valve chamber and water outlet and the back pressure chamber be positioned at below sleeve pipe and be provided with the diaphragm plate of center hole, it is characterized in that, described sleeve upper end portion is provided with guide groove, guide groove is provided with engagement portion, described spool upper end portion is fixed with the hook that can radially wobble, and described electromagnetic coil adopts pulsed energization to produce pulsed electromagnetic force to spool; Wherein,
Described spool comprises the first state, the second state and the third state;
The first described state is: spool underpart and center hole are socketed and seal, and hook and engagement portion depart from;
The second described state is: spool underpart and center hole depart from, and hook and engagement portion depart from;
The described third state is: spool underpart and center hole depart from, and hook engages with engagement portion;
Under the combination of described pulsed electromagnetic force and spool self gravitation, described spool and hook simultaneous displacement, realize successively in the first state, the second state, carry out circulation conversion between the third state and the second state.
2. water intake valve of washing machine as claimed in claim 1, it is characterized in that, be provided with in described guide groove and be interconnected and the first passage of up/down perforation and second channel, the hook displacement path of described first passage as spool from the first state to the second State Transferring, when changing to the third state again, described second channel as spool from the third state to the second State Transferring, again to hook displacement path during the first State Transferring.
3. water intake valve of washing machine as claimed in claim 2, it is characterized in that, comprise the first joint above and below laying respectively at and the second joint between described first passage and second channel, the first described joint forms described engagement portion.
4. water intake valve of washing machine as claimed in claim 3, it is characterized in that, the first described joint is also provided with first passage switching part, for guaranteeing that hook is from first passage to second channel switching displacement; The second described joint is provided with second channel switching part, for guaranteeing that hook is from second channel to first passage switching displacement.
5. water intake valve of washing machine as claimed in claim 4, it is characterized in that, the first described joint comprises the second position-limited edge and the 7th position-limited edge, described first passage comprises the first position-limited edge, described second channel comprises the 3rd position-limited edge, the second described position-limited edge is between the first position-limited edge and the 3rd position-limited edge, and it is highly less than the first position-limited edge and the 3rd position-limited edge, and the first described position-limited edge, the second position-limited edge and the 3rd position-limited edge are interconnected to form described engagement portion; The 7th described position-limited edge is between the first position-limited edge and the second position-limited edge, and its height is between the first position-limited edge and the second position-limited edge, and the 7th described position-limited edge is as described first passage switching part.
6. water intake valve of washing machine as claimed in claim 4, it is characterized in that, the second described joint comprises the 4th position-limited edge, described second channel comprises interconnective 9th position-limited edge and the tenth position-limited edge, the 4th described position-limited edge is between the 9th position-limited edge and the tenth position-limited edge, and it is highly greater than the tenth position-limited edge, the 4th described position-limited edge is as described second channel switching part.
7. water intake valve of washing machine as claimed in claim 1, it is characterized in that, described sleeve pipe inner circumferential is provided with sleeve cap, described spool is positioned at sleeve cap inner circumferential, and can be able to move up and down along sleeve cap, and hook extends in guide groove from hitching cap, is provided with the Compress Spring providing compressive force, for guaranteeing that spool is from the second state to the first State Transferring between described sleeve cap and spool.
8. water intake valve of washing machine as claimed in claim 1, it is characterized in that, the described pulsed energization time is 10-100ms.
9. water intake valve of washing machine as claimed in claim 1, is characterized in that, described spool underpart is provided with the valve core cap for center hole socket sealing.
10. the inlet method of the water intake valve of washing machine as described in one of claim 1-9, is characterized in that, its operating procedure comprises:
A), pulsed energization is carried out to electromagnetic coil and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, described spool is from the first state to the second State Transferring, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve enters into water state;
B), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, described spool is changed from the second state to the third state, the pressure of diaphragm plate suffered by valve chamber one end is greater than the pressure born in back pressure chamber one end, diaphragm plate is away from valve chamber, current directly flow to water outlet from water intake, and inlet valve is in into water state all the time;
C), to electromagnetic coil again carry out pulsed energization and produce pulsed electromagnetic force, pulsed electromagnetic force overcomes spool self gravitation, and described spool is from the third state to the second State Transferring, and inlet valve is still in into water state;
D), stop carrying out pulsed energization to electromagnetic coil, under the effect of spool self gravitation, described spool is from the second state to the first State Transferring, diaphragm plate is greater than the pressure born in valve chamber one end at the pressure that back pressure chamber one end is born, diaphragm plate presses to valve chamber, pushed down by valve seat surface, stop current directly to flow to water outlet from water intake, inlet valve is in and stops water inlet state;
E), according to the water inlet of washing machine with stop water inlet demand, circulation performs above-mentioned step a), step b), step c) and step d).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310322614.7A CN104344057B (en) | 2013-07-29 | 2013-07-29 | Washing machine water inlet valve and water inlet method |
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| CN201310322614.7A CN104344057B (en) | 2013-07-29 | 2013-07-29 | Washing machine water inlet valve and water inlet method |
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| CN104344057B CN104344057B (en) | 2017-02-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559476A (en) * | 2017-10-17 | 2018-01-09 | 蓝衍（郑州)环保有限公司 | A kind of control valve |
| CN109113151A (en) * | 2018-09-17 | 2019-01-01 | 深圳市博电电子技术有限公司 | Water pressure fluctuations exciting bank |
| CN112689537A (en) * | 2018-09-12 | 2021-04-20 | Smc 株式会社 | Compressed fluid ejection control device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU443220A1 (en) * | 1971-05-11 | 1974-09-15 | Куйбышевский политехнический институт им. В.В.Куйбышева | Valve |
| SU935667A1 (en) * | 1980-07-21 | 1982-06-15 | Физико-технический институт низких температур АН УССР | Electromagnetic valve |
| SU1557601A1 (en) * | 1988-07-05 | 1990-04-15 | Всесоюзный Научно-Исследовательский, Проектно-Конструкторский И Технологический Институт Релестроения | Electromagnetic switching apparatus with catch |
| CN2094665U (en) * | 1991-03-14 | 1992-01-29 | 浙江省鄞县前进仪表机箱厂 | Low power consumption keeping solenoid valve |
| CN2209741Y (en) * | 1994-11-09 | 1995-10-11 | 胡建 | Electricity-saving electromagnetic valve |
-
2013
- 2013-07-29 CN CN201310322614.7A patent/CN104344057B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559476A (en) * | 2017-10-17 | 2018-01-09 | 蓝衍（郑州)环保有限公司 | A kind of control valve |
| CN107559476B (en) * | 2017-10-17 | 2023-09-15 | 蓝衍（郑州)环保有限公司 | Control valve |
| CN112689537A (en) * | 2018-09-12 | 2021-04-20 | Smc 株式会社 | Compressed fluid ejection control device |
| US11964290B2 (en) | 2018-09-12 | 2024-04-23 | Smc Corporation | Compressed-fluid discharge control device |
| CN109113151A (en) * | 2018-09-17 | 2019-01-01 | 深圳市博电电子技术有限公司 | Water pressure fluctuations exciting bank |
Also Published As
| Publication number | Publication date |
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| CN104344057B (en) | 2017-02-01 |
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