CN106930060B

CN106930060B - A kind of delivery device

Info

Publication number: CN106930060B
Application number: CN201710306532.1A
Authority: CN
Inventors: 周先平
Original assignee: Nanan Lidi Household Articles Co Ltd
Current assignee: Shandong Ruijiante Sports Equipment Co ltd
Priority date: 2014-09-11
Filing date: 2014-09-11
Publication date: 2019-01-01
Anticipated expiration: 2034-09-11
Also published as: CN105463785B; CN106930060A; CN107130401A; CN107130401B; CN105463785A

Abstract

A kind of delivery device is mainly made of jet mixer, reset valve and flow valve；After washing machine starts water inlet, press reset valve, negative pressure will be generated at the narrow position of jet mixer, reset valve is sucked using negative pressure, it is kept open it, negative pressure is transmitted to flow valve by resetting valve, open flow valve, the channel for making detergent reach jet mixer is opened, under the action of negative pressure, detergent continuously flows into is mixed into the suitable liquid detergent of concentration with water in jet mixer, after water flow stops, resetting valve, reset returns to closed state upwards under the action of reset spring, when intaking again, if not pressing reset valve, also flow valve sucking detergent cannot be opened, valve addition detergent only is resetted by pressing in the stage for needing to add detergent to realize；The amount for adding detergent can be adjusted by adjusting position of the ring on valve body.

Description

A kind of delivery device

Technical field

The present invention relates to the additive amounts that one kind can control detergent during washing machine inflow, make detergent and water energy It is enough mixed into the delivery device of the suitable liquid detergent of concentration, belongs to the detergent dispensing technology of washing machine.

Background technique

The principle of laundry clothes: no matter using machine washing or hand washing, ideal way is will first to wash Ji to be fabricated to concentration Properly, uniform cleaning solution, then the clothing investment that will be washed stir evenly, by the immersion of cleaning solution, with the tension of cleaning solution Effect separates dirt and clothing, could more effectively play the effect of washing Ji.

Should be with the correct clothes washing method of washing machine: first booting discharges water, and investment detergent and water are sufficiently mixed into concentration Uniform cleaning solution puts into clothing washing by soaking again.

But the time is needed due to discharging water, people are in order to save trouble, typically directly by the washing tub of clothing investment washing machine, with warp A certain amount of detergent of investment is tested, beginning to do washing into water takes.Due to not being to carry out the cleaning solution of even concentration in advance to put clothing again Object impregnates, and after causing clothing to be saturated with water, cleaning solution is gone between being just hard to permeate into the fiber of clothing, reduces the cleaning of cleaning solution Effect, so usually there is the situation for washing completely, also, when the detergent due to high concentration and part contact with clothing are longer Between, or even the phenomenon that decolourize.

Although many washing machines are designed with the function by detergent tank putting detergent, these designs are mostly First this detergent done washing is put into detergent tank before laundry and restarts washing machine inflow, it is sharp during water inlet Washing tub is injected after detergent therein is carried out simply dilution with a part of water impact detergent tank, is obtained so not Be be sufficiently mixed, the cleaning solution of even concentration.Also, it every time can only be to washing required for the primary laundry of addition in detergent tank Dosage.

It in addition is totally-enclosed when tumbling-box washing machine work most absolutely, if first to discharge water carries out washing for even concentration Washing liquid, to launch clothing again substantially impossible, because opening door water can overflow.

A kind of detergent is disclosed in the patent document of Patent No. 201110120512.8 to launch and mixing arrangement, The discharging gate that a duckbill has been disposed in the discharge port of charging basket, under the action of motor by detergent get into turbine stirrer with Water mixing, advantage is can to blend uniform cleaning solution, and deficiency is that elasticity can weaken after long-time use, the discharging of duckbill Mouth poor sealing performance, and when motor does not work, detergent under gravity may also automatic safety enter turbine stirrer.

It is, thus, sought for one kind can make detergent and water be mixed into the suitable liquid detergent of concentration, and structure is more Reasonable detergent throwing device.

Summary of the invention

The object of the present invention is to provide one kind, and detergent and water can be made to be mixed into the suitable liquid detergent of concentration, and The detergent throwing device of more reasonable structure.

The technical scheme is that a kind of delivery device, mainly by jet mixer 1, reset valve 2 and 3 groups of flow valve At；Jet mixer 1 uses Venturi tube, and input end is connected with water inlet pipe, and outlet end is connected with washing tub；In jet mixer Narrow positions is equipped with the outwardly projecting imbibition nozzle 11 and vacuum noz(zle) 12 being connected to jet mixer inside；It resets valve and passes through first Connecting tube is connected with the vacuum noz(zle) of jet mixer, resets valve and is connected by the second connecting tube with flow valve, and flow valve goes out liquid Mouth is connected by imbibition nozzle with jet mixer, and flow valve is connected by third connecting tube with detergent container；It is needing to add The fill phase of detergent is opened and resets valve, and detergent will be continued into jet mixer and be mixed with water, until water inlet stops Only；The reset valve 2 is mainly made of reset valve seat 21, piston 22, stop bit seat 23, reset spring 24；The piston master To include piston rod 221, piston head 222 and screw 223, through-hole is equipped in the middle part of piston head, screw passes through the through-hole on piston head Piston head is fixed in the fixation hole of piston rod part；Described resets the hollow cylindrical that valve seat 21 is upper opening, multiple The bottom wall of position valve seat is equipped with outwardly protruding suction nozzle 211, and suction nozzle is connected with flow valve by the second connecting tube, is being resetted The side wall of valve seat is equipped with outwardly protruding outlet nozzle 212, and outlet nozzle passes through the vacuum noz(zle) of the first connecting tube and jet mixer It is connected；It is additionally provided with an outwardly protruding bypass body on the side wall for resetting valve seat, is equipped with bypass channel 213 in vivo in bypass, The inlet end of bypass channel is simultaneously communicated with the inner hole for resetting valve seat close to the bottom wall for resetting valve seat, the outlet side of bypass channel with go out Gas nozzle is coaxial；Reset spring is put into the bottom wall for resetting in valve seat, and being placed in reset valve seat inner hole from valve seat upper opening is resetted On, the diameter at the top of reset spring is less than the diameter of piston rod;A circle is equipped with along the top edge for resetting valve seat and resets valve seat Female coaxial and diameter be greater than reset valve seat inner hole position-arresting groove 214, along the bottom wall of position-arresting groove it is down-set one or more Locating slot 215；It is equipped with the through-hole that aperture is greater than or equal to diameter of piston rod along the central axis of stop bit seat 23, in stop bit seat bottom wall On along the edge of through-hole be equipped with the stop bit flange to lower process, stop bit flange and position-arresting groove use screw thread or bayonet connection；In work The outwardly protruding positioning key 25 to match with locating slot is arranged in stopper rod outer wall, is equipped with a left side vertical with its axis on the piston rod The central axes distance of the stomata 26 of right perforation, positioning key lower edge and stomata 26 is greater than or equal to 215 bottom wall of locating slot to bypass The distance of the central axes of channel outlet side, when being pressed downward piston, positioning key is moved at the bottom wall of locating slot along locating slot to be stopped Position, at this moment, stomata and bypass channel outlet side and outlet nozzle are on same central axes；By the top of piston rod from stop bit flange One end passes through the centre bore of stop bit seat, so that positioning key is located at the lower section of stop bit flange, then piston head is fixed by screws in work At the top of stopper rod, make 23 sets of stop bit seat on the piston rod above positioning key；The end of piston rod is downwardly into reset valve seat, is made Stop bit flange is inserted into position-arresting groove, and entering positioning key 25 in locating slot 215 prevents piston rod from generating rotation, and the end of piston rod is supported Firmly reset spring；Stop bit flange is connect by screw thread or bayonet with position-arresting groove, is fixed on stop bit seat and is resetted on valve seat top, will live Plug, which is fixed on, to be resetted on valve seat, move up and down piston can only along the central axes for resetting valve seat under the effect of external force, also, The upper limit moved up is the stop bit flange that positioning key arrives to stop bit seat, and the lower limit moved down is that positioning key arrives to locating slot Bottom wall；When there is water flowing in jet mixer, negative pressure is generated in vacuum noz(zle), presses down on piston, piston head is made to resist stop bit Seat, piston-rod end compress downwards reset spring, shrink reset spring, stomata 26 and outlet nozzle 212 and the side for resetting valve seat The outlet side of paths 213 is connected, and reset valve is in the open state, and at this moment, piston is sucked in negative pressure, and piston persistently compresses reset Spring, overcoming the elastic force of reset spring, so that it will not reset upwards；When water flow stops flowing, the negative pressure in vacuum noz(zle) disappears, multiple Position spring resets upwards jacks up piston, and the position of stomata 26 is made to be higher than the outlet nozzle 212 and bypass channel 213 for resetting valve seat Outlet side resets valve and is in close state.

The flow valve 3 is mainly by valve body 31, adjusting ring 32, air pressure packet 33, adjustment spring 34, needle-valve 35 and sealing ring 36 composition, the valve body 31 be band there are three port hollow T-type structure, port directed downwardly be by third connecting tube with The liquid inlet port 311 of detergent container connection, the port of side is the liquid outlet 312 being connected to imbibition nozzle 11；Port upward is The adjustment seat 313 being connected through a screw thread with the one end for adjusting ring；It adjusts after ring is connected with adjustment seat and forms a hollow adjusting Space；The other end center for adjusting ring is equipped with air flow balance hole；Coaxial adjustment spring is mounted in air pressure packet；In air pressure Packet is equipped with upward air spout towards the end face for adjusting ring, and the air spout passes through the air equalizer opening adjusted on ring, then It is connected by the second connecting tube with the suction nozzle 211 for resetting valve 2；Air spout and adjust ring on air equalizer opening between there are Gap makes to adjust space and extraneous air pressure keeps balancing；It is equipped on end face of the air pressure packet towards valve body prominent to valve body direction The fixing seat risen；The needle-valve is formed by one section of cylindrical body and with the cone that an end face of cylindrical body is cone bottom, needle-valve Cylindrical portion is inserted into fixing seat, then is locked together fixing seat and needle-valve by pivot pin 37；Liquid outlet and adjustment seat it Between valve body inner bore in be equipped with flange 314 to inner process, the cylindrical body outer wall of the inner hole of flange 314 and needle-valve forms yin-yang and matches It closes；Valve interior wall between liquid outlet and liquid inlet port is equipped with the needle seating 316 to inner process, the tip of needle-valve from adjustment seat to The direction of liquid outlet is then passed through needle seating 316 after passing through sealing ring, and the cylindrical portion of needle-valve is completely plugged by the inner hole of flange, For the conical sections of needle-valve by the inner reversible cycle of needle seating, needle-valve under the effect of external force can be along the axis of flange and needle seating Line is mobile.

The adjusting ring inner wall is equipped with internal screw thread, and the adjustment seat outer wall is equipped with and adjusts the internal screw thread phase on ring The external screw thread matched, by adjusting position of the ring in adjustment seat, it will be able to change the pore space size and tune of air pressure packet The prestressing force of spring is saved, thus change strength when inhaling dynamic needle-valve, change needle-valve and limit the pore size between flange, thus Change the amount of the detergent of sucking.

When not pressing lower piston, stomata, upper seal and the middle sealing ring of the piston rod are all located at reset valve seat Outlet nozzle 212 and bypass channel 213 outlet side above, at this moment, lower seal be located at reset valve seat suction nozzle 211 and side Below the inlet end of paths 213；When pressing lower piston, the upper seal of the piston rod is located at the outlet nozzle for resetting valve seat 212 and bypass channel 213 outlet side above, at this moment, middle sealing ring and lower seal are located at 212 He of outlet nozzle for resetting valve seat Below the outlet side of bypass channel, stomata 26 is connected with the outlet side of the outlet nozzle and bypass channel that reset valve seat.

The air pressure packet is hollow closing column construction, and being equipped on the cylindricality wall surface of air pressure packet can be in external force The lower flexible fold of effect；Air pressure packet is placed in by its axis mode coaxial with the axis of adjusting ring and is adjusted in space, air pressure There are gaps between the cylindricality wall surface of packet and the inner wall for adjusting space.

Beneficial effect

After washing machine starts water inlet, reset valve is pressed, negative pressure will be generated at the narrow position of jet mixer, is utilized Reset valve is sucked in negative pressure, is kept open it, and negative pressure is transmitted to flow valve by resetting valve, opens flow valve, makes to wash The channel that agent reaches jet mixer is opened, and under the action of negative pressure, detergent is continuously flowed into jet mixer It is mixed into the suitable liquid detergent of concentration with water, after water flow stops, resetting valve, reset returns to pass upwards under the action of reset spring Closed state when intaking again, if not pressing reset valve, cannot also open flow valve sucking detergent, to realize only Valve addition detergent is resetted by pressing in the stage for needing to add detergent；

The amount for adding detergent can be adjusted by adjusting position of the ring on valve body.

Detailed description of the invention

Fig. 1 is agent structure schematic diagram of the invention；

Fig. 2 is the diagrammatic cross-section that reset valve of the invention is in close state；

Fig. 3 is the partial enlarged view of Fig. 2；

Fig. 4 is reset valve of the invention diagrammatic cross-section in the open state；

Fig. 5 is the partial enlarged view of Fig. 4；

Fig. 6 is the figure that pops of reset valve of the invention；

Fig. 7 is the figure that pops of flow valve of the invention；

Fig. 8 is the diagrammatic cross-section of valve body of the invention.

Specific embodiment

As shown in Figure 1, a kind of delivery device, is mainly made of jet mixer 1, reset valve 2 and flow valve 3；Jet stream is mixed Clutch 1 uses Venturi tube, and input end is connected with water inlet pipe, and outlet end is connected with washing tub；In jet mixer narrow positions Equipped with the outwardly projecting imbibition nozzle 11 and vacuum noz(zle) 12 being connected to jet mixer inside；Reset valve by the first connecting tube with The vacuum noz(zle) of jet mixer is connected, and resets valve and is connected by the second connecting tube with flow valve, the liquid outlet of flow valve passes through suction Liquid mouth is connected with jet mixer, and flow valve is connected by third connecting tube with detergent container.

Resetting valve has two kinds of working conditions of opening and closing to press reset valve when there is water flowing in jet mixer, multiple In the open state, the negative pressure that water flowing generates in jet mixer is kept open reset valve to position valve, and negative pressure passes through Vacuum noz(zle), reset valve are transmitted to flow valve, open flow valve, and detergent is entered mixed with water in jet mixer by flow valve It closes；When the water in jet mixer stops flowing, the negative pressure in vacuum noz(zle) disappears, and resets valve reset and is in close state, multiple The original state of position valve is in off state.

As shown in fig. 6, the reset valve 2 is mainly by reset valve seat 21, piston 22, stop bit seat 23,24 groups of reset spring At.The piston mainly includes piston rod 221, piston head 222 and screw 223, is equipped with through-hole in the middle part of piston head, screw passes through Piston head is fixed in the fixation hole of piston rod part by the through-hole on piston head.

Described resets the hollow cylindrical that valve seat 21 is upper opening, is equipped on the bottom wall for resetting valve seat outwardly protruding Suction nozzle 211, suction nozzle are connected by the second connecting tube with flow valve, are gone out on the side wall for resetting valve seat equipped with outwardly protruding Gas nozzle 212, outlet nozzle are connected by the first connecting tube with the vacuum noz(zle) of jet mixer.

It is additionally provided with an outwardly protruding bypass body on the side wall for resetting valve seat, is equipped with bypass channel in vivo in bypass 213, the inlet end of bypass channel is communicated close to the bottom wall for resetting valve seat and with the inner hole for resetting valve seat, the outlet side of bypass channel It is coaxial with outlet nozzle.Reset spring is put into reset valve seat from valve seat upper opening is resetted, and is placed in and is resetted valve seat inner hole On bottom wall, the diameter at the top of reset spring is less than the diameter of piston rod.

It is equipped with one along the top edge for resetting valve seat and encloses to be greater than with the female coaxial and diameter for resetting valve seat and reset valve seat The position-arresting groove 214 of inner hole, along one or more down-set locating slot 215 of the bottom wall of position-arresting groove；Along the central axis of stop bit seat 23 It is greater than or equal to the through-hole of diameter of piston rod equipped with aperture, is equipped with stopping to lower process along the edge of through-hole on stop bit seat bottom wall Position flange, stop bit flange and position-arresting groove use screw thread or bayonet connection, so that stop bit seat is located in and reset at the top of valve seat.

The outwardly protruding positioning key 25 to match with locating slot is set in piston rod outer wall, is resetted when piston rod is inserted into After valve seat, positioning key is located in locating slot, can move up and down under the effect of external force along locating slot with piston, work as positioning When key is moved to the bottom of locating slot, play the role of stop bit to piston, prevents piston from moving still further below.

Be equipped with the stomata 26 of vertical with its axis left and right perforation on the piston rod, positioning key lower edge in stomata 26 Axial line distance be greater than or equal to 215 bottom wall of locating slot to bypass channel outlet side central axes distance, when being pressed downward piston, Positioning key is moved to stop bit at the bottom wall of locating slot along locating slot, and at this moment, stomata is in bypass channel outlet side and outlet nozzle On same central axes, i.e. reset valve is in the conductive state.

When assembling, piston head and piston rod are separated, the top of piston rod is passed through into stop bit seat from stop bit flange one end Centre bore makes positioning key be located at the lower section of stop bit flange, then piston head is fixed by screws in piston rod part, makes stop bit seat 23 sets on the piston rod above positioning key；The end of piston rod is downwardly into reset valve seat, stop bit flange is made to be inserted into stop bit Slot, entering positioning key 25 in locating slot 215 prevents piston rod from generating rotation, and the end of piston rod resists reset spring；Stop bit Flange is connect by screw thread or bayonet with position-arresting groove, is fixed on stop bit seat and is resetted on valve seat top, piston is fixed on reset valve On seat, make piston can only be under the effect of external force along the central axes upper limit that move up and down, also, move up for resetting valve seat The stop bit flange of stop bit seat is arrived to for positioning key, the lower limit moved down is the bottom wall that positioning key arrives to locating slot.

When there is water flowing in jet mixer, negative pressure is generated in vacuum noz(zle), is pressed down on piston, is resisted piston head only Position seat, piston-rod end compresses downwards reset spring, shrinks reset spring, stomata 26 and reset valve seat outlet nozzle 212 and The outlet side of bypass channel 213 is connected, and reset valve is in the open state, and at this moment, piston is sucked in negative pressure, and piston persistently compresses multiple Position spring, overcoming the elastic force of reset spring, so that it will not reset upwards；When water flow stops flowing, the negative pressure in vacuum noz(zle) disappears, Reset spring resets upwards jacks up piston, and the position of stomata 26 is made to be higher than the outlet nozzle 212 and bypass channel 213 for resetting valve seat Outlet side, reset valve be in close state.

Piston rod outer wall in stomata upper and lower part, which is respectively equipped with, forms the upper close of tight fit with the inner wall for resetting valve seat Seal and middle sealing ring；It is close in the case where piston rod is equipped with the inner wall formation tight fit with reset valve seat close to the end of reset spring Seal.

As shown in Figures 2 and 3, when not pressing lower piston, stomata, upper seal and the middle sealing ring of the piston rod It is all located above the outlet side of the outlet nozzle 212 and bypass channel 213 that reset valve seat, at this moment, lower seal, which is located at, resets valve seat Suction nozzle 211 and bypass channel 213 inlet end below.

As shown in Figure 4 and Figure 5, when pressing lower piston, the upper seal of the piston rod is located at the outlet for resetting valve seat Above the outlet side of mouth 212 and bypass channel 213, at this moment, middle sealing ring and lower seal are located at the outlet nozzle 212 for resetting valve seat Below the outlet side of bypass channel, stomata 26 is connected with the outlet side of the outlet nozzle and bypass channel that reset valve seat.

As shown in Figure 7 and Figure 8, the flow valve 3 is mainly by valve body 31, adjusting ring 32, air pressure packet 33, adjustment spring 34, needle-valve 35 and sealing ring 36 form.

The valve body 31 is band there are three the hollow T-type structure of port, and port directed downwardly is to pass through third connecting tube The liquid inlet port 311 being connected to detergent container, the port of side are the liquid outlet being connected to the imbibition nozzle 11 of jet mixer 312；Port upward is the adjustment seat 313 being connected through a screw thread with the one end for adjusting ring.

It adjusts after ring is connected with adjustment seat and forms a hollow adjusting space；The other end center for adjusting ring is equipped with air-flow Balance hole；The air pressure packet is hollow closing column construction, and being equipped on the cylindricality wall surface of air pressure packet can be in external force The lower flexible fold of effect；Air pressure packet is placed in by its axis mode coaxial with the axis of adjusting ring and is adjusted in space, air pressure There are gaps between the cylindricality wall surface of packet and the inner wall for adjusting space；Coaxial adjustment spring is mounted in air pressure packet；? Air pressure packet is equipped with upward air spout towards the end face for adjusting ring, and the air spout passes through the air pressure balance adjusted on ring Hole, then be connected by the second connecting tube with the suction nozzle 211 for resetting valve 2.

There are gap between the air equalizer opening on air spout and adjusting ring, makes to adjust space and extraneous air pressure keeps putting down Weighing apparatus；The fixing seat raised to valve body direction is equipped on end face of the air pressure packet towards valve body；The needle-valve by one section of cylindrical body and An end face with cylindrical body is that the cone at cone bottom forms, and the cylindrical portion of needle-valve is inserted into fixing seat, then passes through pivot pin 37 Fixing seat and needle-valve are locked together；The flange to inner process is equipped in valve body inner bore between liquid outlet and adjustment seat 314, the seal groove 315 being recessed outward is equipped on the hollow wall face of flange, sealing ring is placed in seal groove, flange 314 Inner hole and needle-valve cylindrical body outer wall formed yin-yang cooperation；Valve interior wall between liquid outlet and liquid inlet port is equipped with inwardly prominent The needle seating 316 risen, direction of the tip of needle-valve from adjustment seat to liquid outlet are then passed through needle seating 316, needle after passing through sealing ring The cylindrical portion of valve is completely plugged by the inner hole of flange, and by the inner reversible cycle of needle seating, needle-valve exists the conical sections of needle-valve It can be moved along the central axes of flange and needle seating under the action of external force.

Around the air equalizer opening adjusted on ring, adjust ring inner wall be equipped with aperture be greater than air equalizer opening to air pressure packet The air pressure adjustment seat of direction protrusion is equipped with lug, nib towards the end face of air pressure packet in air pressure adjustment seat, allows the flow to pass through lug, nib Gap flowing, prevent air-flow from not can enter air pressure packet side wall towards the end face blocking for adjusting ring by air pressure packet and adjusting space Gap between inner wall.

The spring retainer flange raised to opposite, the both ends of adjustment spring are equipped on two opposite faces of air pressure packet It is stuck in spring retainer flange.

Block water plate, water blocking are set in jet mixer between the narrow positions and outlet end of the jet mixer There are water hole between piece and the inner wall of jet mixer, the block water plate is taper, and the vertex of a cone is towards the narrow of jet mixer Narrow portion position is equipped with protrusion in the outer wall of block water plate towards water inlet end, detergent is made to mix with water more uniformly.

In use, starting washing machine, when washing machine starts water inlet, water flows in jet mixer makes vacuum noz(zle) and suction Generate negative pressure in liquid mouth, press lower piston, piston compresses reset spring, make stomata on piston rod and reset valve seat outlet nozzle and The outlet side of bypass channel, the first connecting tube and vacuum noz(zle) are connected, and space locating for reset spring is made to be in negative pressure state, from And be sucked piston continue to compress reset spring keep stomata be connected to vacuum noz(zle), the negative pressure in vacuum noz(zle) further through second company Adapter tube passes to flow valve, and negative pressure is transmitted in air pressure packet, shrinks the fold of air pressure packet and overcomes the pressure of adjustment spring by needle Valve lifts, and makes to generate gap between needle-valve and needle seating, and imbibition nozzle, liquid outlet are connected to liquid inlet port, makes to generate negative pressure in liquid inlet port, The detergent in detergent tank being connected to liquid inlet port enters liquid outlet by the gap between liquid inlet port, needle-valve and needle seating, Jet mixer is entered together with water to the Outlet-side flow of jet mixer by imbibition nozzle again, impinges upon and is formed on block water plate The more uniform liquid detergent of concentration；It intakes and completes when this, there is no water in flowing in jet mixer, vacuum noz(zle) and imbibition nozzle In negative pressure all disappear, reset spring reset, piston is jacked up upwards, the stomata on piston rod and reset valve seat outlet nozzle and The outlet side of bypass channel disconnects, correspondingly, adjustment spring also resets, needle-valve is pressed downward it is made to block needle seating, detergent Stop entering in jet mixer；When washing machine is intake again, although still producing air pressure in vacuum noz(zle) and imbibition nozzle, But since piston has resetted, stomata and the outlet nozzle of valve seat is resetted and the outlet side of bypass channel is disconnected, from being unable to Negative pressure is passed into flow valve, to cannot also add detergent.

Actual in use, the amount for the clothes that user can wash as needed selects inflow, further according to inflow tune The prestressing force of adjustment spring is saved, so that detergent is inhaled into jet stream mixed so that it is determined that needing great strength that could inhale needle-valve It is mixed in clutch with water, is then reinjected in washing drum.In the fill phase for needing to add detergent, resetted once opening Valve, detergent will be continued into jet mixer and be mixed with water, until water inlet stops, therefore, it will be able in fill phase The mixing for constantly realizing detergent and water makes detergent to be added needed for once doing washing, constantly adds in fill phase And entered back into washing tub after being mixed with water, the mode of addition is scientific and reasonable, it helps clothing is washed cleaner.

When due to washing machine work, in addition to adding detergent, it is also possible to need to add other additives such as softener, only need More set reset valves and flow valve are configured on jet mixer can be realized as adding.

Above-described embodiment is intended merely to interpretation purposes of the invention, and is not limitation of the present invention, this technology The those of ordinary skill in field makes a variety of changes or substitutes within the essential scope of the present invention, also should belong to guarantor of the invention Protect scope.

Claims

1. a kind of delivery device, it is characterised in that: be mainly made of jet mixer (1), reset valve (2) and flow valve (3)；It penetrates It flows mixer (1) and uses Venturi tube, input end is connected with water inlet pipe, and outlet end is connected with washing tub；It is narrow in jet mixer Narrow portion position is equipped with the outwardly projecting imbibition nozzle (11) and vacuum noz(zle) (12) being connected to jet mixer inside；Valve is resetted by the One connecting tube is connected with the vacuum noz(zle) of jet mixer, resets valve and is connected by the second connecting tube with flow valve, and flow valve goes out Liquid mouth is connected by imbibition nozzle with jet mixer, and flow valve is connected by third connecting tube with detergent container；It is needing to add Add the fill phase of detergent, open and reset valve, detergent will be continued into jet mixer and be mixed with water, until water inlet Stop；The reset valve (2) is mainly made of reset valve seat (21), piston (22), stop bit seat (23), reset spring (24)； The piston mainly includes piston rod (221), piston head (222) and screw (223), is equipped with through-hole, screw in the middle part of piston head In the fixation hole that piston head is fixed on piston rod part by the through-hole on piston head；The reset valve seat (21) is top The hollow cylindrical of opening, is equipped with outwardly protruding suction nozzle (211) on the bottom wall for resetting valve seat, and suction nozzle passes through the second connection Pipe is connected with flow valve, and outwardly protruding outlet nozzle (212) is equipped on the side wall for resetting valve seat, and outlet nozzle passes through the first connection Pipe is connected with the vacuum noz(zle) of jet mixer；It is additionally provided with an outwardly protruding bypass body on the side wall for resetting valve seat, on side Bypass channel (213) are equipped in the body of road, inner hole of the inlet end of bypass channel close to the bottom wall for resetting valve seat and with reset valve seat It communicates, the outlet side of bypass channel and outlet nozzle are coaxial；Reset spring is put into reset valve seat from valve seat upper opening is resetted, and It is placed on the bottom wall for resetting valve seat inner hole, the diameter at the top of reset spring is less than the diameter of piston rod;Along the upper of reset valve seat Portion edge is equipped with one and encloses the position-arresting groove (214) for being greater than with the female coaxial and diameter for resetting valve seat and resetting valve seat inner hole, and edge is stopped One or more the down-set locating slot (215) of bottom wall of position slot；Along stop bit seat (23) central axis be equipped with aperture be greater than or Equal to the through-hole of diameter of piston rod, it is equipped with the stop bit flange to lower process along the edge of through-hole on stop bit seat bottom wall, stop bit is prominent Edge and position-arresting groove use screw thread or bayonet connection；In piston rod outer wall, the outwardly protruding positioning key to match with locating slot is set (25), it is equipped with the stomata (26) of vertical with its axis left and right perforation on the piston rod, positioning key lower edge and stomata (26) Central axes distance be greater than or equal to locating slot (215) bottom wall to bypass channel outlet side central axes distance, when being pressed downward living When plug, positioning key is moved to stop bit at the bottom wall of locating slot along locating slot, at this moment, stomata and bypass channel outlet side and outlet nozzle On same central axes；The centre bore that the top of piston rod is passed through to stop bit seat from stop bit flange one end, is located at positioning key The lower section of stop bit flange, then piston head is fixed by screws in piston rod part, cover stop bit seat (23) above positioning key Piston rod on；The end of piston rod is downwardly into reset valve seat, make stop bit flange be inserted into position-arresting groove, make positioning key (25) into Entering prevents piston rod from generating rotation in locating slot (215), the end of piston rod resists reset spring；Stop bit flange by screw thread or Bayonet is connect with position-arresting groove, is fixed on stop bit seat and is resetted on valve seat top, piston is fixed on and is resetted on valve seat, makes piston can only The upper limit for moving up and down along the central axes for resetting valve seat under the effect of external force, also, moving up is that positioning key arrives to only The stop bit flange of position seat, the lower limit moved down are the bottom wall that positioning key arrives to locating slot；When there is water flowing in jet mixer When, vacuum noz(zle) is interior to generate negative pressure, presses down on piston, and piston head is made to resist stop bit seat, and piston-rod end, which compresses downwards, resets bullet Spring shrinks reset spring, and stomata (26) is connected with the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat Logical, reset valve is in the open state, and at this moment, piston is sucked in negative pressure, and piston persistently compresses reset spring, overcomes the bullet of reset spring So that it will not reset upwards for power；When water flow stops flowing, the negative pressure in vacuum noz(zle) disappears, and reset spring is resetted upwards by piston top It rises, so that the position of stomata (26) is higher than the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat, reset at valve In closed state.

2. delivery device according to claim 1, it is characterised in that: the flow valve (3) is mainly by valve body (31), tune Ring (32), air pressure packet (33), adjustment spring (34), needle-valve (35) and sealing ring (36) composition are saved, the valve body (31) is band There are three the hollow T-type structures of port, and port directed downwardly is the liquid inlet port being connected to by third connecting tube with detergent container (311), the port of side is the liquid outlet (312) being connected to imbibition nozzle (11)；Port upward is to lead to the one end for adjusting ring Cross the adjustment seat (313) being threadedly coupled；It adjusts after ring is connected with adjustment seat and forms a hollow adjusting space；Adjust the another of ring One end center is equipped with air flow balance hole；Coaxial adjustment spring is mounted in air pressure packet；Ring is adjusted in air pressure packet direction End face is equipped with upward air spout, and the air spout passes through the air equalizer opening adjusted on ring, then passes through the second connecting tube It is connected with the suction nozzle (211) for resetting valve (2)；There are gap between the air equalizer opening on air spout and adjusting ring, make to adjust It saves space and extraneous air pressure keeps balancing；The fixation raised to valve body direction is equipped on end face of the air pressure packet towards valve body Seat；The needle-valve is formed by one section of cylindrical body and with the cone that an end face of cylindrical body is cone bottom, the cylindrical body portion of needle-valve Divide insertion fixing seat, then is locked together fixing seat and needle-valve by pivot pin (37)；Valve between liquid outlet and adjustment seat The flange (314) to inner process is equipped in internal hole, the inner hole of flange (314) and the cylindrical body outer wall of needle-valve form yin-yang and match It closes；Valve interior wall between liquid outlet and liquid inlet port is equipped with the needle seating (316) to inner process, and the tip of needle-valve is from adjustment seat It is then passed through needle seating (316) after passing through sealing ring to the direction of liquid outlet, the cylindrical portion of needle-valve is complete by the inner hole of flange Blocking, for the conical sections of needle-valve by the inner reversible cycle of needle seating, needle-valve under the effect of external force can be along flange and needle seating Central axes it is mobile.

3. delivery device according to claim 2, it is characterised in that: the adjusting ring inner wall is equipped with internal screw thread, described Adjustment seat outer wall be equipped with the external screw thread that matches of internal screw thread that adjusts on ring, pass through and adjust position of the ring in adjustment seat It sets, it will be able to change the pore space size of air pressure packet and the prestressing force of adjustment spring, thus change strength when inhaling dynamic needle-valve, Change needle-valve and limit the pore size between flange, to change the amount of the detergent of sucking.

4. delivery device according to claim 1, it is characterised in that: when not pressing lower piston, the piston rod Stomata, upper seal and middle sealing ring are all located on the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat Side, at this moment, lower seal are located at below the inlet end of the suction nozzle (211) and bypass channel (213) that reset valve seat；When pressing work When plug, the upper seal of the piston rod is located on the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat Side, at this moment, middle sealing ring and lower seal are located at below the outlet side of the outlet nozzle (212) and bypass channel that reset valve seat, gas Hole (26) is connected with the outlet side of the outlet nozzle and bypass channel that reset valve seat.

5. delivery device according to claim 2, it is characterised in that: the air pressure packet is hollow closing cylindricality knot Structure is equipped with the fold that can be stretched under the effect of external force on the cylindricality wall surface of air pressure packet；Air pressure packet is by its axis and adjusts The coaxial mode of the axis of ring, which is placed in, to be adjusted in space, and there are skies between the cylindricality wall surface of air pressure packet and the inner wall for adjusting space Gap.