CN102230269A - Upthrow throwing device for liquid detergent - Google Patents
Upthrow throwing device for liquid detergent Download PDFInfo
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- CN102230269A CN102230269A CN2011101617626A CN201110161762A CN102230269A CN 102230269 A CN102230269 A CN 102230269A CN 2011101617626 A CN2011101617626 A CN 2011101617626A CN 201110161762 A CN201110161762 A CN 201110161762A CN 102230269 A CN102230269 A CN 102230269A
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Abstract
The invention relates to an upthrow throwing device for a liquid detergent, which is simple in a structure and accurate in throwing. The upthrow throwing device comprises an electromagnetic water supply valve and a water box, wherein an upper shell, a constant volume device and a negative pressure generator are arranged on an upper shell group of the water box; the upper shell group and a lower shell of the water box are combined to form a detergent box; the negative pressure generator and a detergent addition opening are formed on the upper shell; a seal cover and the upper shell are combined to form a negative pressure transfer pipeline and a detergent circulating pipeline; the constant volume device is provided with a constant volume chamber, a valve A, a valve B and a valve C; a mixed solution outlet is connected with the constant volume chamber by the valve A; a detergent liquid inlet is connected with the constant volume chamber by the valve B; a negative pressure suction port is connected with the constant volume chamber by the valve C; a water inlet communicated with the constant volume chamber is formed on the constant volume device; a water outlet A of the electromagnetic water supply valve is connected with the water inlet of the constant volume device; a water outlet B of the electromagnetic water supply valve is connected with the negative pressure water inlet; and the mixed solution outlet of the constant volume device is connected with a mixed solution outlet of the water box. The upthrow throwing device is suitable for throwing washing additives of washing equipment.
Description
Technical field
The present invention relates to liquid dispensing apparatus, particularly be fitted to the detergent throwing device on the electric rinsing maching of electrical washing machine, electric dish-washing machine etc.
Background technology
In the past, the washing agent that uses electric washing facilitys such as the electrical washing machine of liquid detergent, electric dish-washing machine is (as washing agent, softener, softening agent, bactericidal liquid etc.) liquid agent that the adding method person of being to use will throw in leaves the receptacle of appointment in advance in, and washing facility dashes by water according to washing course or other mechanical methods are punched into cylindric washer to them.The injected volume of this method depends on user's operation, and simultaneously each washing process need add washing agent to receptacle.Continuous fluidization along with washing agent, the disposable volume washing agent of depositing is in machine intimate, throw in the troublesome poeration that the part washing agent not only can reduce the user in the washing procedure as required, can also be according to washings kind and amount different, regulate the washing agent injected volume automatically.So device that needs washing agent to throw in automatically on the washing facility.
Investigate existing technology, following example is arranged.As TOHKEMY 61-172594 is disclosed the liquid detergent that is filled in the container is applied certain pressure by air pump, thus the technology of the time of opening of control valve control washing agent injected volume.Special for another example to open 2000-334197 disclosed fully by examination applies air pressure to the liquid detergent in the container, the technology that liquid agent is extruded from container.These schemes need the user after the liquid detergent groove is filled with washing agent the groove lid to be sealed fully.If poor sealing, the pressure of pump will leak.Even the pressure of pump is the same, the flowing velocity of the liquid detergent of different viscosities under same pressure can be different, causes throwing in inaccurate.The noise of pump also influences the noise index of washing facility in addition.
Disclosed technical scheme also has in the bottom of washing facility and places detergent box on the Chinese market, and the pressure that produces by gear pump is the washing agent force feed or be attracted to the water box that is positioned at the washing facility top, imports washtub again.This scheme gear pump often is dipped in the washing agent, and washing agent uses up when drying takes place, and the washing agent that solidifies can produce the gear action that very big damping hinders gear pump.The work noise of gear pump can influence the control of the noise index of washing facility equally.Same this scheme also exists because of washing the fluid viscosity input precision problem that the input speed difference that causes produced that fluctuates.
Comprehensive above disclosed technology adopts air pump to be pressed into power is provided, and exists lid sealing leak of washing agent groove and liquid detergent viscosity to change and causes the inaccurate problem of injected volume.Exist liquid detergent to solidify when adopting the way of contact of similar gear pump to provide mobilization dynamic and cause the pump blocking problem to washing agent.
Japanese kokai publication hei 11-019391 provides a kind of scheme, a water pump is set in washing machine, water in the pump handle washing machine washtub or the water in the bathing pool are drawn on the interior pipeline of washtub a nozzle are set, has depression generator on the nozzle, when pumping water, utilize the suction function of nozzle, washing agent is sucked main current, put in the washtub after the mixing.The power that this technology provides has been avoided the sealing problem of air pump power scheme and the problem of solidification of gear pump scheme.But the prerequisite of this scheme is that the water pump that constant pressure is provided is set, and cost is than higher.
CN201258409Y utilizes current to produce negative pressure equally, proposed to utilize the current of running water to produce negative pressure, but the size of negative pressure and discharge relation are very big, when directly using the water inlet generation negative pressure of washing facility electromagnetic valve, the negative pressure fluctuation range that produces can be very big, and the input precision of washing agent is difficult to control.
The embodiment 2 of this scheme proposes to be provided with the metering box between negative pressure device and detergent box, shut off valve 1-1 and valve 1-2, open valve 1-3 and valve 1-4 and make generation vacuum in the metering box, shut off valve 1-3 and 1-4 then, open valve 1-2, rely on the interior residual vacuum of metric space to make washing agent flow into the metering box, shut off valve 1-1 opens valve 1-2,1-3,1-4 then, and the negative pressure that relies on current to produce is attracted to the washing agent in the metering box in the water box goes.
This scheme has proposed the solution that washing agent that negative pressure fluctuation that current size that embodiment 1 exists causes causes is thrown in precision problem.But washing agent filling metering box is to carry out under the situation of negative pressure source and the space cut-out of metering box in this scheme, rely on negative pressure remaining in the metering box to attract washing agent, when negative pressure was not enough, metric space can not be filled, and caused throwing in the not high problem of precision and occurred; Actual conditions are, when metering box and this negative pressure source lead to, the metering box is the absolutely not so-called vacuum that reaches, and more why not when the metering box cuts off with vacuum source, has negative pressure though measure box at this moment, but still have certain air pressure (a certain amount of air is arranged), along with the filling of liquid detergent, metering box remaining space diminishes, and that air in certain amount of existence is compressed, the negative pressure of metering box remaining space disappears, and just can not recharge washing agent this moment; Under metering box poor sealing situation, just more be a problem.Be filled in the washing agent of metering in the box in addition and rely on negative pressure to be attracted to again in the main current to go, all can have washing agent residual between from the valve to the pipeline, these washing agent concentrate or solidify after can hinder flowing of washing agent, finally may influence the input effect.
The washing agent automatic release device of the 200910152768.X that the applicant proposes has solved the problems referred to above, but has following problem:
1) constant volume valve, negative pressure generator, detergent box are respectively different parts, the middle connection that realizes each several part with flexible pipe.But this scheme need be installed a lot of tube connectors, particularly be difficult to choose on material can anti-various chemical composition (surfactants for the flexible pipe that is connected with detergent box, than strong oxidizing property can disinfectant etc.), when occurring that tube connector is aging to break, the problem that exists washing agent to leak.Whole pipeline connects too much, causes device stream complexity, and cost is also than higher.
2) capacity of this device constant volume is relevant with the constant volume line, and when constant volume device delivery port position was higher than bottom surface, constant volume chamber, the constant volume space was the space of arriving above the constant volume chamber between the constant volume device delivery port plane, and the constant volume chamber can not obtain utilizing fully.
3) during the emptying of constant volume chamber, the draining drop is little, and emptying time is long, causes throwing in excessive cycle.
4) detergent box and water box are provided with separately, and it is big to take up room.
Summary of the invention
The present invention will solve the automatic apparatus for feeding liquid detergent of throwing in of existing suction type and exist the connection flexible pipe many, these connecting pipes are washed the corrosion of chemicals such as agent easily and cause hose fracture, the negative pressure flexible pipe is installed problems such as the easy leakage in back, the present invention proposes shaping negative pressure pipe on the water box body, the negative pressure that connects constant volume device and negative pressure pipe is transmitted gas circuit, connect the washing agent stream of detergent box and constant volume device, and detergent box is formed in a kind of apparatus for feeding liquid detergent of water box inside.
For addressing the above problem, the technical solution used in the present invention comprises electromagnet water supply valve and water box;
Described electromagnet water supply valve has water inlet, water outlet A and water outlet B, and have with the corresponding electromagnetic water inlet valve A of water outlet A and with the corresponding electromagnetic water inlet valve B of water outlet B;
Its special character is:
Described water box comprises upper shell group, lower house and capping, tool upper shell, constant volume device and negative pressure generator on the described upper shell group, and described upper shell group and lower house sealing form detergent box in conjunction with the back in water box inside;
Be formed with negative pressure generator on the described upper shell, this negative pressure generator has the drainage by suction mouth, water inlet is chewed and reservoir chamber, the water inlet chew and reservoir chamber between connect by contraction mouth, has the negative pressure gas port on the contraction mouth, reservoir chamber has gap, the lower limb of this gap is higher than the top edge of contraction mouth, and the position of drainage by suction mouth is lower than the lower limb of contraction mouth;
Be formed with on the described upper shell constant volume device the washing agent inlet, connect washing agent stream, the vacuum aspiration port of detergent box bottom and described cleaning solution inlet and be connected constant volume device vacuum aspiration port and the negative pressure of negative pressure generator negative pressure gas port is transmitted stream, upper shell top is formed with washing agent and adds mouthful;
Described capping and upper shell sealing form negative pressure in conjunction with the back and transmit pipeline and washing agent circulation duct; Described constant volume utensil has the constant volume chamber that is made of valve body and upper shell combination, the constant volume device is provided with valve A and valve B, be provided with valve seat C in the vacuum aspiration port of upper shell, be connected with bearing on the described valve body, this bearing is relative with valve seat C, be provided with the valve ball I that density is lower than water between bearing and the valve seat C, valve ball I and valve seat C constitute valve C, the mixed solution outlet links by valve A and constant volume chamber, the washing agent inlet links by valve B and constant volume chamber, vacuum aspiration port links by valve C and constant volume chamber, has the water inlet that is communicated with described constant volume chamber on the constant volume device; The water inlet of the water outlet A of described electromagnet water supply valve and described constant volume device links, the water outlet B of electromagnet water supply valve and described negative pressure water inlet link, the mixed solution outlet of constant volume device and the mixed solution outlet of water box are connected, and the mixed solution outlet vertical direction position of water box is lower than present position, bottom surface, constant volume chamber one segment distance.
Valve A, the valve B of constant volume device of the present invention can constitute like this:
Indoor valve seat A1 and the valve seat B of being provided with of the constant volume of constant volume device, valve seat A, valve seat B is oppositely arranged, described valve body is provided with conduit, the mixed solution delivery port of conduit and described constant volume device connects, the conduit outside is arranged with solenoid, the rear portion is provided with secured core in the conduit, middle front part is provided with movable core in the conduit, the movable core front portion has the radial contraction section, this radial contraction section runs through valve seat A, and radial contraction section front end is associated with piston cap, and the top is provided with spring between movable core and the secured core, the piston cap front end) constitutes valve B with valve seat B, piston cap rear end and valve seat A constitute valve A, have centre bore in the middle of the secured core, and the secured core rear end is connected with connector, have the mixed solution outlet of constant volume device on the connector, constant volume chamber (306) connect with water inlet.
Valve A, the valve B of constant volume device of the present invention also can constitute like this:
Be provided with valve seat B in the valve body of constant volume device, on the described valve body conduit is set, the conduit outside is arranged with solenoid, the rear portion is provided with secured core in the conduit, middle front part is provided with movable core in the conduit, the movable core front portion has the radial contraction section, radial contraction section front end is associated with piston cap, and the top is provided with spring between movable core and the secured core, has centre bore in the middle of the secured core, piston cap front end and valve seat B constitute valve B, the centre bore of secured core is communicated with the through hole of connector, and constant volume device water inlet and this through hole connect, the indoor guide pin bushing that is provided with of constant volume, be provided with valve seat A II in the guide pin bushing, valve ball II is positioned at valve seat A II top, and valve seat A II and valve ball II constitute valve A, and the guide pin bushing bottom has through hole, the mixed solution outlet of constant volume device is by valve seat A centre bore, the unidirectional perforation of guide pin bushing through hole and constant volume chamber;
Be formed with the mixed solution outlet and the mixed solution stream of constant volume device on the upper shell, capping and upper shell sealing form connecting line in conjunction with the back, and this connecting line connects the mixed solution outlet of constant volume device and the mixed solution outlet of water box.
Valve B of the present invention can have two or more.
The water inlet of the bright described negative pressure generator of the present invention is chewed and/or the water inlet of constant volume device can be provided with non-return valve.
Description of drawings
Fig. 1 apparatus for feeding liquid detergent outline drawing of the present invention;
Fig. 2 apparatus for feeding liquid detergent of the present invention removes the stereogram behind the loam cake;
Fig. 3 is the system schematic of apparatus for feeding liquid detergent of the present invention;
The explosive view of Fig. 4 apparatus for feeding liquid detergent of the present invention (being decomposed into the upper shell group, lower house, capping);
Fig. 5 is the explosive view (comprising upper shell and constant volume device) of upper shell group;
Fig. 6 is the constant volume device sectional structure schematic diagram that single solenoid is realized the threeway stream;
Fig. 7 is that single solenoid is only realized two through-flow roads, and other increases sleeve pipe, the constant volume device schematic diagram of valve ball II;
Fig. 8 is the guide pin bushing schematic diagram among the present invention;
Fig. 9 is the cutaway view that liquid outlet is lower than bottom surface, constant volume chamber;
Figure 10 is that a plurality of solenoids are only realized the schematic diagram that multiple cleaning solution constant volume is thrown in automatically;
Figure 11 a is the vertical view of water box;
Figure 11 b be among Figure 11 a A-A to cutaway view;
Figure 12 is the formation schematic diagram of Box for detergent;
Figure 13 is the constant volume device part-structure schematic diagram that non-return valve is installed;
Figure 14 is the negative pressure generator part-structure schematic diagram that non-return valve is installed;
Figure 15 is the bearing plane of non-return valve.
Mark among the figure: 1 electromagnet water supply valve, 101 water inlets, 102 water outlet A, 103 water outlet B, 2 water boxes, 21 upper shell groups, 22 lower houses, 23 cappings, 24 upper shells, 25 detergent boxes, the outlet of 27 mixed solutions, 3 constant volume devices, 301 washing agent inlets, 302 washing agent streams, 3021 washing agent circulation ducts, 303 vacuum aspiration ports, 304 negative pressure are transmitted stream, and 3041 negative pressure are transmitted pipeline, 305 valve bodies, constant volume chambers 306, bottom surface, constant volume chamber 3061,307 valve A, 308 valve B, 309 valve seat C, 310 bearings, 311 valve ball I, 312 valve C, the outlet of 313 mixed solutions, 314 water inlets, 315 valve seat A I, 316 valve seat B, 317 conduits, 318 solenoids, 319 secured cores, 3191 secured core centre bores, 320 movable cores, 3201 radial contraction sections, 321 piston caps, 322 springs, 3211 piston cap front ends, 3212 piston cap rear ends, 323 connectors, 3231 connector through holes, 324 guide pin bushings, 3241 guide pin bushing through holes, 325 valve seat A II, 3251 valve seat A centre bores, 326 valve ball II, 331 mixed solution streams, 350 washing agent add mouth, 4 negative pressure generators, 41 drainage by suction mouths, 43 reservoir chambers are chewed in 42 water inlets, 44 contraction mouths, the top edge of 441 contraction mouths, the lower limb of 442 contraction mouths, 45 negative pressure gas ports, 46 gaps, 6 non-return valves, 601 spools, 602 springs, 603 sealing rings, 604 bearings, 6041 borders, 6042 liquid through-holes, 6043 lassos.
Operation principle below in conjunction with description of drawings upper coin-box type apparatus for feeding liquid detergent of the present invention:
Load in the liquid scrubbing liquid box 25 of user on being formed in the water box of washing facility (such as washing machine) of this delivery device and throw in enough nonexpondable liquid detergent, when needing to throw in washing agent, give the solenoid B energising of electromagnet water supply valve 1, electromagnetic water inlet valve B opens, running water flows out to the water inlet that is formed in the negative pressure generator 4 on the water box upper shell by water outlet B 103 and chews 42, when current flow to reservoir chamber 43 through the contraction mouth 44 in the negative pressure generator, flow out in the water box by gap 46 behind the full water in the reservoir chamber and go, because water flow section is amplified, the pressure at negative pressure gas port 45 places that connect with drainage by suction mouth 41 can be lower than the pressure at drainage by suction mouth flow export place, the drainage by suction mouth is during to atmosphere opening, and the pressure at negative pressure gas port place can be lower than atmospheric pressure and form negative pressure.Because the overfall position is higher than the top edge 441 of contraction mouth, contraction mouth can be surrounded by the water in the reservoir chamber in the water inlet process, makes air outside can not be inhaled into negative pressure gas port the inside and causes the negative pressure loss.
The size of this negative pressure is relevant with the speed of current, and water velocity is relevant with water flow pressure again.
At first illustrate liquid detergent throw in A-stage-
Each valve state:
The electromagnetic water inlet valve A of electromagnet water supply valve: close
The electromagnetic water inlet valve B of electromagnet water supply valve: open
The valve A of constant volume device: open
The valve B of constant volume device: close
The valve C of constant volume device: open
The negative pressure gas port 45 of negative pressure generator connects with the vacuum aspiration port 303 of constant volume device, owing to do not have water in the constant volume chamber 306 of constant volume device, and valve ball I 311 no buoyancy and falling within on the bearing 309, valve C312 is in open mode.
The unlatching of electromagnetic water inlet valve B makes current enter water box 2 through negative pressure generator 4, and the negative pressure that current produced just is delivered to the constant volume chamber of constant volume device.Control constant volume device valve A307 is in open mode, constant volume device valve B308 is in closed condition, the mixture export 313 of constant volume device connect with the mixed solution of water box outlet 27 and with atmosphere UNICOM, the drainage by suction mouth of the negative pressure of negative pressure generator 4 by the constant volume device is to atmosphere opening.Because valve B is in closed condition, the washing agent in the liquid detergent box is closed by valve B and can not be flowed to the constant volume chamber.The constant volume chamber is in negative pressure state always under this state.
Next illustrate the washing agent stowing operation-
Each valve state:
Electromagnetic water inlet valve A: close
Electromagnetic water inlet valve B: open
The valve A of constant volume device: close
The valve B of constant volume device: open
The valve C of constant volume device: open
The valve B of constant volume device is opened in control, closes the valve A of constant volume device, and is open-minded between the constant volume chamber of constant volume device and the inlet 301 like this, is closed between the mixed solution outlet 313 of constant volume chamber and constant volume device; The water inlet of constant volume device is chewed 314 and is connected with electromagnetic water inlet valve A, electromagnetic water inlet valve A is in closed condition, the water inlet of constant volume device and outside are in the pressure closed condition, and being in open mode, electromagnetic water inlet valve B can continue to produce negative pressure, this negative pressure is delivered to the constant volume chamber of constant volume device constantly, and the washing agent in the liquid detergent box just is subjected to the sucking action of constant volume chamber negative pressure to enter constant volume chamber 306 by inlet 301.
Wait process after explanation is filled with again-
Each valve state:
Electromagnetic water inlet valve A: close
Electromagnetic water inlet valve B: open
The valve A of constant volume device: close
The valve B of constant volume device: open
The valve C of constant volume device: close
When liquid detergent was filled with the constant volume chamber, valve ball liquid body buoyancy function upwards contacted with constant volume chamber valve seat C, and valve C312 is closed, and constant volume chamber and negative pressure source cut off, and liquid detergent no longer enters the constant volume chamber.
Illustrate then washing agent dash defeated process-
Each valve state:
Electromagnetic water inlet valve A: open
Electromagnetic water inlet valve B: close or open
The valve A of constant volume device: open
The valve B of constant volume device: close
The valve C of constant volume device: close
After the constant volume chamber is filled with liquid detergent and the end of wait process, by the automatically controlled valve B that closes the constant volume device, open the valve A of constant volume device, open electromagnetic water inlet valve A, water outlet A 102 and the water inlet of constant volume device of running water by electromagnet water supply valve chewed 314 and flow in the constant volume chamber 306, and the indoor liquid detergent of constant volume is mixed the back flows out to the water box from the mixed solution outlet 313 of constant volume device together with running water mixed solutions outlet 27 by running water.
Illustrate at last constant volume chamber evacuation procedure-
Each valve state
Electromagnetic water inlet valve A: close
Electromagnetic water inlet valve B: close
The valve A of constant volume device: open
The valve B of constant volume device: close
The valve C of constant volume device: open
After flushing finishes, electromagnetic water inlet valve B closes, because the water discharge outlet 41 of negative pressure generator is lower than contraction mouth lower limb 442, water in the reservoir chamber 43 is by osculum 41 emptyings, make 44 pairs of atmosphere openings of contraction mouth of negative pressure generator, electromagnetic water inlet valve A closes, so the vacuum aspiration port 303 of constant volume device also is in the atmosphere opening state, because the mixed solution of water box outlet 27 highly is lower than bottom surface, constant volume chamber 3061, the indoor liquid of constant volume is just under the effect of deadweight, discharge by constant volume chamber mixed solution outlet 313, drop to bottom surface, constant volume chamber below 3061 up to the indoor liquid height of constant volume.
Actual product also the circulation pipeline portions between the mixed solution outlet of outlet of the mixed solution of constant volume device and water box can be arranged on the constant volume chamber above, as long as the position of final water box mixed solution outlet is lower than bottom surface, constant volume chamber 3061, the mixed solution of constant volume chamber interior can be drained by siphon.
When the height of actual product upper water box mixed solution outlet was lower than the more distance in bottom surface, constant volume chamber (generally reaching more than the 20cm), the velocity of discharge of the mixed solution that constant volume is indoor will be accelerated, and shortened the cycle time of throwing in.
So once throw in the liquid detergent that action can be thrown in constant volume chamber volume (such as 20CC) amount, more if desired, can carry out again 1 time, 2 times ... throw in so for several times, throw in the liquid detergent of constant volume chamber cubical content multiple.
Also can change the size in constant volume space,, so just can throw in the liquid detergent of 10CC or its multiple amount such as being set to 10CC.
The state of each valve of whole washing agent launch process is as follows:
| ? | Movement content | Electromagnetic water inlet valve A | Electromagnetic water inlet valve B | Constant volume chamber valve A | Constant volume chamber valve B | Constant volume |
| 1 | Initial stage | Close | Open | Open | Close | Open |
| 2 | The washing agent filling | Close | Open | Close | Open | Open |
| 3 | Filling with the back waits for | Close | Open | Close | Open | Close |
| 4 | Dash defeated | Open | Open or close | Open | Close | Close |
| 5 | Emptying | Close | Close | Open | Close | Open |
By the above as seen, this device of the present invention, no matter tap water hydraulic is in the minimum (0.02MPa) of conventional criteria, and still the highest limit (1.0MPa) can be thrown in the liquid detergent of constant volume chamber cubical content integral multiple exactly.
The implementation method of valve A of the present invention and valve B can realize that when by-pass valve control B closed, valve A was in open mode by a three-way magnetic valve door, and by-pass valve control B is in when opening, and valve A is in closed condition.
Also can realize the control of valve B with an electromagnetic valve, realize the control of valve A by other valve such as ball valve.
In this case the multichannel electromagnetic valve can be set,, realize that the switching of multichannel washing agent drops into control as valve B (valve Bn).
For the washing agent that prevents the negative pressure suck-back detergent box the inside in the running water water pipe to water supply pipe, also can reverse stop valve be set at constant volume device water inlet or negative pressure generator water inlet
Foregoing invention has solved that washing agent automatic release device pipeline was many in the past, system complex, and the following solution of constant volume chamber constant volume line can not emptying, and the constant volume space can not be used fully, and emptying time is long, and detergent box separates the big problem of duty that is provided with the water box.
The specific embodiment
Embodiment one
The apparatus for feeding liquid detergent of present embodiment as Fig. 2, Fig. 3, Fig. 4, Fig. 7, shown in Figure 8, is made of electromagnet water supply valve 1, water box 2.
Described electromagnet water supply valve 1 has water inlet 101, water outlet A 102 and water outlet B 103, and have with the corresponding electromagnetic water inlet valve A of water outlet A and with the corresponding electromagnetic water inlet valve B of water outlet B.
Described water box 2 is made up of upper shell group 21, lower house 22 and capping 23, tool upper shell 24, constant volume device 3 and negative pressure generator 4 on the upper shell group.Upper shell group and lower house sealing form detergent box 25 in conjunction with the back in water box inside.
The negative pressure generator 4 that is shaped on the upper shell 24 has drainage by suction mouth 41, water inlet and chews 42 and reservoir chamber 43, water inlet chew and reservoir chamber 43 between connect by contraction mouth 44, has negative pressure gas port 45 on the contraction mouth, reservoir chamber has gap 46, the lower limb of this gap is higher than the top edge 441 of contraction mouth, and the position of water discharge outlet is lower than the lower limb 442 of contraction mouth.
Be formed with vacuum aspiration port 303 that is connected with the constant volume device and the washing agent inlet 301 that leads to the constant volume device on the upper shell, be connected with washing agent stream 302 on this inlet, this stream leads to detergent box 25 bottoms, the detergent box washing agent, be connected with negative pressure on the vacuum aspiration port and transmit stream 304, this negative pressure transmission stream is connected upper shell top again and is formed with washing agent interpolation mouth 350 with the negative pressure gas port 45 of negative pressure generator.
Capping 23 and upper shell 21 sealings form negative pressure in conjunction with the back and transmit pipeline 3041 and washing agent circulation duct 3021.
Described constant volume device 3 has the constant volume chamber 306 that is made of valve body 305 and upper shell 24 combinations, the constant volume device is provided with valve A307 and valve B308, be provided with valve seat C309 in the vacuum aspiration port 303 of upper shell, be connected with bearing 310 on the valve body 305, this bearing is relative with valve seat C309, the valve ball I 311 that density is lower than water is set between bearing and the valve seat C, valve ball I 311 and valve seat C constitute valve C312, mixed solution outlet 313 links by valve A307 and constant volume chamber, washing agent inlet 301 links by valve B308 and constant volume chamber, vacuum aspiration port 303 links by valve C309 and constant volume chamber, has water inlet 314 on the constant volume device, and this water inlet is connected with the constant volume chamber.
The valve A307 of described constant volume device, valve B308 are constructed as follows:
Be provided with valve seat A I 315 and valve seat B316 in the constant volume chamber 306 of constant volume device, valve seat A I, valve seat B is oppositely arranged, valve body is provided with conduit 317, conduit and described constant volume device mixed solution delivery port 313 connect, the conduit outside is arranged with solenoid 318, the rear portion is provided with secured core 319 in the conduit, middle front part is provided with movable core 320 in the conduit, the movable core front portion has radial contraction section 3201, this radial contraction section runs through valve seat A315, radial contraction section front end is associated with piston cap 321, the top is provided with spring 322 between movable core and the secured core, piston cap front end 3211 constitutes valve B with valve seat B316, piston cap rear end 3212 constitutes valve A with valve seat A315, has centre bore 3191 in the middle of the secured core 1, and the secured core rear end is connected with connector 323, have constant volume device mixed solution outlet 313 on the connector, constant volume chamber 306 connects with water inlet 314.
The water outlet A 102 of described electromagnetic valve links with the water inlet 314 of described constant volume device, the water outlet B 103 and the described negative pressure water inlet 42 of electromagnetic valve link, the mixed solution outlet 313 of constant volume device and the mixed solution outlet 27 of water box are connected, and the mixed solution of water box exports 3061 present positions, bottom surface, constant volume chamber, one segment distance that 27 vertical direction positions are lower than the constant volume device.Because the mixed solution delivery port 313 of constant volume device is positioned at connector 323 places, its position than bottom surface, constant volume chamber low at least the distance of coil, therefore can fully guarantee emptying and the quick drain that constant volume is indoor.
This embodiment is integrally formed in negative pressure generator in the water box housing, and negative pressure is transmitted pipeline, and washing agent circulation pipeline also is integrally formed in the housing, detergent box also forms in water box inside, therefore single unit system becomes and simplifies more, correspondingly can reduce the space, saves cost.
Embodiment two
The apparatus for feeding liquid detergent of present embodiment, as shown in Figure 6, the valve A307 of described constant volume device, valve B308 are constructed as follows:
Be provided with valve seat B316 in the constant volume device valve body, conduit 317 is set on the valve body, the conduit outside is arranged with solenoid 318, the rear portion is provided with secured core 319 in the conduit, middle front part is provided with movable core 320 in the conduit, its front portion has radial contraction section 3201, the contraction section front end is associated with piston cap 321, the top is provided with spring 322 between movable core 320 and the secured core 319, has centre bore 3191 in the middle of the secured core, piston cap front end 3211 constitutes valve B with valve seat B316, the centre bore 3191 of secured core is communicated with the through hole 3231 of connector 323, constant volume device water inlet 314 connects with this through hole 3231, and the indoor guide pin bushing 324 that is provided with of constant volume is provided with valve seat A2325 in the guide pin bushing, valve ball II 326 is positioned at valve seat A2325 top and constitutes valve A307, guide pin bushing 324 bottoms have through hole 3241, and valve seat A325 centre bore 3251 is passed through in constant volume valve mixed solution outlet 313, guide pin bushing through hole 3241 and the 306 unidirectional perforations of constant volume chamber.
Be formed with the mixed solution outlet 313 and the mixed solution stream 331 that lead to the constant volume device on the upper shell 24, capping 23 and upper shell 21 sealings form connecting line 28 in conjunction with the back, and this connecting line connects the mixed solution outlet 313 and the water box mixed solution outlet 27 of constant volume device.
Water box inside has the pipeline 28 that constant volume device mixed solution is exported to the outlet of water box mixed solution, and this pipeline can be formed on the housing, also can realize with flexible pipe separately.The length of adjusting this pipeline 28 can be adjusted the distance of outlet of water box mixed solution and bottom surface, constant volume chamber, to adjust the intestine evacuation velocity of constant volume chamber.Other structure is with embodiment one.
Embodiment three
The apparatus for feeding liquid detergent of present embodiment, as shown in figure 10, described valve B has two or more.Other structure is with embodiment one.
Embodiment four
The apparatus for feeding liquid detergent of present embodiment, as Figure 13, Figure 14, shown in Figure 15, the water inlet of negative pressure generator chew 401 and constant volume device water inlet 314 places be provided with non-return valve 6, non-return valve 6 has bearing 604 and spool 601, the lasso 6043 that bearing is connected in the border by border 6041 and support and is positioned at the center, border constitutes, and is fluid through-hole 6042 between border and the lasso, is placed in lasso in the core bar of spool, be with spring 602 on the core bar, the spool top is provided with sealing ring 603.Other structure is with embodiment one.
Claims (5)
1. the upper coin-box type apparatus for feeding liquid detergent comprises electromagnet water supply valve (1) and water box (2);
Described electromagnet water supply valve (1) has water inlet (101), water outlet A (102) and water outlet B (103), and have with the corresponding electromagnetic water inlet valve A of water outlet A and with the corresponding electromagnetic water inlet valve B of water outlet B;
It is characterized in that:
Described water box (2) comprises upper shell group (21), lower house (22) and capping (23), tool upper shell (24), constant volume device (3) and negative pressure generator (4) on the described upper shell group, described upper shell group and lower house sealing form detergent box (25) in conjunction with the back in water box inside;
Be formed with negative pressure generator (4) on the described upper shell (24), this negative pressure generator has drainage by suction mouth (41), (42) and reservoir chamber (43) are chewed in water inlet, water inlet chew and reservoir chamber between connect by contraction mouth (44), has negative pressure gas port (45) on the contraction mouth, reservoir chamber has gap (46), the lower limb of this gap is higher than the top edge (441) of contraction mouth, and the position of drainage by suction mouth is lower than the lower limb of contraction mouth (442);
Be formed with on the described upper shell constant volume device washing agent inlet (301), connect washing agent stream (302), the vacuum aspiration port (303) of detergent box bottom and described cleaning solution inlet and be connected constant volume device vacuum aspiration port and the negative pressure of negative pressure generator negative pressure gas port (45) is transmitted stream (304), upper shell top is formed with washing agent interpolation mouth (350);
Described capping (23) and upper shell (21) sealing form negative pressure in conjunction with the back and transmit pipeline (3041) and washing agent circulation duct (3021); Described constant volume device (3) has by valve body (305) and upper shell in conjunction with the constant volume chamber (306) that constitutes, the constant volume device is provided with valve A (307) and valve B (308), be provided with valve seat C (309) in the vacuum aspiration port of upper shell (303), be connected with bearing (310) on the described valve body (305), this bearing is relative with valve seat C (309), be provided with the valve ball I (311) that density is lower than water between bearing and the valve seat C, valve ball I (311) and valve seat C constitute valve C (312), mixed solution outlet (313) links with the constant volume chamber by valve A (307), washing agent inlet (301) links with the constant volume chamber by valve B (308), vacuum aspiration port (303) links with the constant volume chamber by valve C (309), has the water inlet (314) that is communicated with described constant volume chamber on the constant volume device; The water outlet A of described electromagnet water supply valve (102) links with the water inlet (314) of described constant volume device, the water outlet B of electromagnet water supply valve (103) links with described negative pressure water inlet (42), the mixed solution outlet (313) of constant volume device and the mixed solution outlet (27) of water box are connected, and mixed solution outlet (27) vertical direction position of water box is lower than present position, bottom surface, constant volume chamber (3061) one segment distance.
2. apparatus for feeding liquid detergent as claimed in claim 1 is characterized in that:
Being constructed as follows of the valve A (307) of described constant volume device, valve B (308):
Be provided with valve seat A1 (315) and valve seat B (316) in the constant volume chamber (306) of constant volume device, valve seat A, valve seat B is oppositely arranged, described valve body is provided with conduit (317), the mixed solution delivery port (313) of conduit and described constant volume device connects, the conduit outside is arranged with solenoid (318), the rear portion is provided with secured core (319) in the conduit, middle front part is provided with movable core (320) in the conduit, the movable core front portion has radial contraction section (3201), this radial contraction section runs through valve seat A (315), radial contraction section front end is associated with piston cap (321), the top is provided with spring (322) between movable core and the secured core, piston cap front end (3211) constitutes valve B with valve seat B (316), piston cap rear end (3212) constitutes valve A with valve seat A (315), has centre bore (3191) in the middle of the secured core (319), and the secured core rear end is connected with connector (323), have the mixed solution outlet (313) of constant volume device on the connector, constant volume chamber (306) connect with water inlet (314).
3. apparatus for feeding liquid detergent as claimed in claim 1 is characterized in that:
Being constructed as follows of the valve A (307) of described constant volume device, valve B (308):
Be provided with valve seat B (316) in the valve body of constant volume device, conduit (317) is set on the described valve body, the conduit outside is arranged with solenoid (318), the rear portion is provided with secured core (319) in the conduit, middle front part is provided with movable core (320) in the conduit, the movable core front portion has radial contraction section (3201), radial contraction section front end is associated with piston cap (321), the top is provided with spring (322) between movable core (320) and the secured core (319), has centre bore (3191) in the middle of the secured core, piston cap front end (3211) constitutes valve B with valve seat B (316), the centre bore of secured core (3191) is communicated with the through hole (3231) of connector (323), constant volume device water inlet (314) connects with this through hole (3231), the indoor guide pin bushing (324) that is provided with of constant volume, be provided with valve seat AII (325) in the guide pin bushing, valve ball II (326) is positioned at valve seat AII (325) top, valve seat A II and valve ball II constitute valve A (307), guide pin bushing (324) bottom has through hole (3241), valve seat A (325) centre bore (3251) is passed through in the mixed solution outlet (313) of constant volume device, guide pin bushing through hole (3241) and the unidirectional perforation in constant volume chamber (306);
Be formed with mixed solution outlet (313) and the mixed solution stream (331) of constant volume device on the upper shell (24), capping (23) and upper shell (21) sealing form connecting line in conjunction with the back, and this connecting line connects the mixed solution outlet (313) of constant volume device and the mixed solution outlet (27) of water box.
4. apparatus for feeding liquid detergent as claimed in claim 1 is characterized in that described valve B has two or more.
5. as claim 1,2,3 or 4 described apparatus for feeding liquid detergent, it is characterized in that the water inlet of described negative pressure generator is chewed (42) and/or the water inlet (314) of constant volume device locates to be provided with non-return valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101617626A CN102230269A (en) | 2011-06-16 | 2011-06-16 | Upthrow throwing device for liquid detergent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101617626A CN102230269A (en) | 2011-06-16 | 2011-06-16 | Upthrow throwing device for liquid detergent |
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| Publication Number | Publication Date |
|---|---|
| CN102230269A true CN102230269A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101617626A Pending CN102230269A (en) | 2011-06-16 | 2011-06-16 | Upthrow throwing device for liquid detergent |
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| Country | Link |
|---|---|
| CN (1) | CN102230269A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105442260A (en) * | 2014-06-11 | 2016-03-30 | 无锡小天鹅股份有限公司 | Washing machine abluent box outlet valve |
| CN106436188A (en) * | 2016-08-31 | 2017-02-22 | 无锡小天鹅股份有限公司 | Detergent bottle, detergent dropping device used for washing machine and washing machine |
| CN107780157A (en) * | 2016-08-31 | 2018-03-09 | 无锡小天鹅股份有限公司 | Detergent throwing device, Detergent bottle and washing machine for washing machine |
| CN109124526A (en) * | 2017-06-15 | 2019-01-04 | 青岛海尔洗碗机有限公司 | A kind of water-softening plant and the dish-washing machine for being equipped with the water-softening plant |
| CN109234997A (en) * | 2018-10-30 | 2019-01-18 | 无锡小天鹅股份有限公司 | Water inlet member mounting box, water inlet component and device for clothing processing |
| EP3290568B1 (en) | 2016-09-05 | 2019-03-20 | Electrolux Appliances Aktiebolag | Laundry washing machine with a detergent dispenser |
| CN110195327A (en) * | 2018-02-27 | 2019-09-03 | 无锡小天鹅电器有限公司 | Launch component, washing facility and the control method for launching component |
| CN112481936A (en) * | 2020-12-03 | 2021-03-12 | 青岛三和机电部件有限公司 | Control panel seat of washing machine with automatic detergent feeding function |
| CN114622385A (en) * | 2020-12-14 | 2022-06-14 | 云米互联科技(广东)有限公司 | Detergent box for washing machine, water inlet system and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110195327B (en) * | 2018-02-27 | 2024-02-20 | 无锡小天鹅电器有限公司 | Throwing component, washing equipment and control method of throwing component |
| CN109234997A (en) * | 2018-10-30 | 2019-01-18 | 无锡小天鹅股份有限公司 | Water inlet member mounting box, water inlet component and device for clothing processing |
| CN112481936A (en) * | 2020-12-03 | 2021-03-12 | 青岛三和机电部件有限公司 | Control panel seat of washing machine with automatic detergent feeding function |
| CN112481936B (en) * | 2020-12-03 | 2022-05-17 | 青岛三和机电部件有限公司 | Control panel seat of washing machine with automatic detergent feeding function |
| CN114622385A (en) * | 2020-12-14 | 2022-06-14 | 云米互联科技(广东)有限公司 | Detergent box for washing machine, water inlet system and washing machine |
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Application publication date: 20111102 |