CN107268240A

CN107268240A - A kind of jet mixer for washing machine

Info

Publication number: CN107268240A
Application number: CN201710589990.0A
Authority: CN
Inventors: 周先平
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-11
Filing date: 2014-09-11
Publication date: 2017-10-20
Anticipated expiration: 2034-09-11
Also published as: CN107268240B; CN107460698A; CN105442261B; CN105442261A; CN107460698B

Abstract

A kind of jet mixer for washing machine, jet mixer uses Venturi tube, and entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；The outstanding imbibition nozzle and vacuum noz(zle) with being connected inside jet mixer is provided with jet mixer narrow positions；After washing machine starts water inlet, press reset valve, negative pressure will be produced at the narrow position of jet mixer, reset valve is held using negative pressure, remain on it, negative pressure is delivered to flow valve by resetting valve, open flow valve, the passage for making detergent reach jet mixer is opened, in the presence of negative pressure, detergent is continuously flowed into is mixed into the suitable liquid detergent of concentration with water in jet mixer, after current stop, resetting valve, reset returns to closed mode upwards in the presence of back-moving spring, when intaking again, if not pressing reset valve, also flow valve suction detergent cannot be opened, it is achieved thereby that only in the stage for needing to add detergent by pressing reset valve addition detergent.

Description

A kind of jet mixer for washing machine

Technical field

The addition of detergent can be controlled during washing machine inflow the present invention relates to a kind of, enables detergent and water The jet mixer for washing machine of the suitable liquid detergent of concentration is enough mixed into, the detergent for belonging to washing machine delivers skill Art.

Background technology

The principle of laundry clothes：No matter using machine washing or hand washing, preferable way is that washing Ji first has been fabricated into concentration Properly, uniform cleaning solution, then the clothing input that will be washed are stirred evenly, by the immersion of cleaning solution, with the tension force of cleaning solution Effect separates dirt with clothing, could more effectively play the effect of washing Ji.

Should be with the correct clothes washing method of washing machine：First start discharges water, and input detergent is sufficiently mixed into concentration with water Uniform cleaning solution puts into clothing washing by soaking again.

But the time is needed due to discharging water, people typically directly put into clothing the washing tub of washing machine, with warp to save trouble A certain amount of detergent of input is tested, begins to take into water washing.Due to not being that the cleaning solution for carrying out even concentration in advance puts clothing again Thing soaks, and causes clothing to be saturated with after 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 totally, also, when the detergent due to high concentration and longer part contact with clothing Between, or even there is the phenomenon decolourized.

Although many washing machines are designed with the function by detergent tank putting detergent, these designs are mostly First the detergent of this laundry 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 into simply dilution with a part of water impact detergent tank, is so obtained not Be be sufficiently mixed, the cleaning solution of even concentration.Also, every time can only be to adding required washing of once doing washing in detergent tank Dosage.

It is totally-enclosed when the tumbling-box washing machine of major part works absolutely in addition, if first to discharge water carries out washing for even concentration Washing liquid, to deliver 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 deliver and mixing arrangement, The discharging gate of a duckbill has been disposed in the discharging opening of charging basket, in the presence of motor by detergent get into turbine stirrer with Water is mixed, and 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 a kind of method that detergent can be made to be mixed into the suitable liquid detergent of concentration with water.

The content of the invention

The purpose of the present invention is:Offer is a kind of can to make detergent be mixed into the side of the suitable liquid detergent of concentration with water Method.

The technical scheme is that：A kind of jet mixer 1 for washing machine, jet mixer 1 uses venturi Pipe, entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；Jet mixer narrow positions provided with it is outstanding with The imbibition nozzle 11 and vacuum noz(zle) 12 of connection inside jet mixer；Reset suction of the valve 2 by the first connecting tube and jet mixer Valve is connected, and resets valve and is connected by the second connecting tube with flow valve, the liquid outlet of flow valve 3 passes through imbibition nozzle and jet mixing Device is connected, and flow valve is connected by the 3rd connecting tube with detergent container；Described reset valve 2 is main by reset valve seat 21, work Plug 22, stop bit seat 23, back-moving spring 24 are constituted；Resetting valve has two kinds of working conditions of opening and closing, when having in jet mixer When water flows, reset valve is pressed, when resetting valve in open mode, the negative pressure of current movable property life makes reset valve in jet mixer Remain on, negative pressure is delivered to flow valve by vacuum noz(zle), reset valve, opens flow valve, detergent passes through flow valve Mixed in into jet mixer with water；When the water in jet mixer stops flowing, the negative pressure in vacuum noz(zle) disappears, and resets Valve, which resets, to be closed, and the original state for resetting valve is closed mode；When not pressing lower piston, the stomata of piston rod, Upper sealing ring and middle sealing ring are all located at resetting above the outlet nozzle 212 of valve seat and the outlet side of bypass channel 213, at this moment, under Sealing ring is located at below the inlet end of the suction nozzle 211 and bypass channel 213 that reset valve seat.

When by lower piston, the upper sealing ring of described piston rod is located at the outlet nozzle 212 and bypass channel for resetting valve seat Above 213 outlet side, at this moment, middle sealing ring and lower seal are located at the reset outlet nozzle 212 of valve seat and going out for bypass channel Below gas end, stomata 26 is connected with the outlet side of the outlet nozzle and bypass channel that reset valve seat.

Described flow valve 3 is main by valve body 31, regulation ring 32, air pressure bag 33, regulation spring 34, needle-valve 35 and sealing ring 36 compositions.

In use, starting washing machine, when washing machine starts water inlet, water flows in jet mixer makes vacuum noz(zle) and suction Negative pressure is produced in liquid mouth, by lower piston, piston compresses back-moving spring, make stomata on piston rod with reset valve seat outlet nozzle and The outlet side of bypass channel, the first connecting tube and vacuum noz(zle) are connected, and the space residing for back-moving spring is in negative pressure state, from And hold piston continue to compress back-moving spring keep stomata connected with vacuum noz(zle), the negative pressure in vacuum noz(zle) further through second company Adapter passes to flow valve, and negative pressure is delivered in air pressure bag, shrinks the fold of air pressure bag and overcomes the pressure for adjusting spring by pin Valve lifts, and makes to produce space between needle-valve and needle seating, imbibition nozzle, liquid outlet are connected with liquid inlet port, makes to produce negative pressure in liquid inlet port, Detergent in the detergent tank connected with liquid inlet port enters liquid outlet by the space between liquid inlet port, needle-valve and needle seating, Jet mixer Outlet-side flow to jet mixer together with water is entered by imbibition nozzle again, impinges upon and is formed on block water plate The more uniform liquid detergent of concentration；When this water inlet is completed, there is no water in jet mixer in flowing, vacuum noz(zle) and imbibition nozzle In negative pressure all disappear, back-moving spring resets, by the upward jack-up of piston, the stomata on piston rod with reset valve seat outlet nozzle and The outlet side of bypass channel is disconnected, accordingly, and regulation spring also resets, and needle-valve is pressed downward it is blocked needle seating, detergent Stop entering in jet mixer；When washing machine is intake again, although still generate air pressure in vacuum noz(zle) and imbibition nozzle, But because piston has resetted, stomata is disconnected with the outlet nozzle and the outlet side of bypass channel that reset valve seat, from being unable to Negative pressure is passed into flow valve, so as to cannot also add detergent.

Beneficial effect

1st, after washing machine starts water inlet, reset valve is pressed, negative pressure will be produced at the narrow position of jet mixer, profit Reset valve is held with negative pressure, it is remained on, negative pressure is delivered to flow valve by resetting valve, flow valve is opened, makes to wash The passage for washing agent arrival jet mixer is opened, and in the presence of negative pressure, detergent continuously flows into jet mixer It is interior to be mixed into the suitable liquid detergent of concentration with water, after current stop, resetting valve upward reset in the presence of back-moving spring and return to Closed mode, when intaking again, if not pressing reset valve, cannot also open flow valve suction detergent, it is achieved thereby that Only in the stage for needing to add detergent by pressing reset valve addition detergent；

2nd, the amount of addition detergent can be adjusted by adjusting position of the regulation ring on valve body.

Brief description of the drawings

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

Fig. 2 is the diagrammatic cross-section that reset valve of the invention is closed；

Fig. 3 is Fig. 2 partial enlarged drawing；

Fig. 4 is the diagrammatic cross-section that valve is in open mode that resets of the present invention；

Fig. 5 is Fig. 4 partial enlarged drawing；

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

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

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

Embodiment

It is made up of as shown in figure 1, volume control device is main jet mixer 1, reset valve 2 and flow valve 3；Jet mixing Device 1 uses Venturi tube, and entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；Set in jet mixer narrow positions There is the outstanding imbibition nozzle 11 and vacuum noz(zle) 12 that are connected with jet mixer inside；Valve is resetted by the first connecting tube with penetrating The vacuum noz(zle) for flowing blender is connected, and resets valve and is connected by the second connecting tube with flow valve, the liquid outlet of flow valve passes through imbibition Mouth is connected with jet mixer, and flow valve is connected by the 3rd connecting tube with detergent container.

Resetting valve has two kinds of working conditions of opening and closing, when there is water flowing in jet mixer, presses reset valve, multiple When position valve is in open mode, the negative pressure of current movable property life remains on reset valve in jet mixer, and negative pressure passes through Vacuum noz(zle), reset valve are delivered to flow valve, open flow valve, and detergent enters mixed with water in jet mixer by flow valve Close；When the water in jet mixer stops flowing, the negative pressure in vacuum noz(zle) disappears, and resets valve reset and is closed, multiple The original state of position valve is closed mode.

As shown in fig. 6, described reset valve 2 is main by reset valve seat 21, piston 22, stop bit seat 23,24 groups of back-moving spring Into.

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

An outwardly protruding bypass body is additionally provided with the side wall for resetting valve seat, bypass channel is provided with vivo in bypass 213, the close bottom wall for resetting valve seat of inlet end of bypass channel is simultaneously communicated, the outlet side of bypass channel with the endoporus for resetting valve seat It is coaxial with outlet nozzle.Back-moving spring is put into reset valve seat from valve seat upper opening is resetted, and is placed in reset valve seat endoporus On bottom wall, the diameter at the top of back-moving spring is less than the diameter of piston rod.

The female coaxial and diameter that valve seat is enclosed and resetted provided with one along the top edge for resetting valve seat, which are more than, resets valve seat The position-arresting groove 214 of endoporus, along the down-set locating slot 215 of one or more of the bottom wall of position-arresting groove；Along the central shaft of stop bit seat 23 It is more than or equal to the through hole of diameter of piston rod provided with aperture, stopping to lower process is provided with along the edge of through hole on stop bit seat bottom wall Position bead, stop bit bead uses screw thread or bayonet connection with position-arresting groove, stop bit seat is positioned at the top of reset valve seat.

Described piston mainly includes piston head and piston rod, sets outwardly protruding with locating slot phase in piston rod outer wall The positioning key 25 of matching, after piston rod insertion is resetted valve seat, positioning key is located in locating slot, can be as piston is in external force In the presence of moved up and down along locating slot, when positioning key is moved to the bottom of locating slot, stop bit is played a part of to piston, Prevent piston from moving still further below.

It is provided with the piston rod in the stomata 26 of the left and right insertion vertical with its axis, positioning key lower edge and stomata 26 Axial line distance is more than or equal to the bottom wall of locating slot 215 to the distance of the axis of bypass channel outlet side, when being pressed downward piston, Positioning key is moved to stop bit at the bottom wall of locating slot along locating slot, at this moment, and stomata is in bypass channel outlet side and outlet nozzle On same axis, that is, reset valve in the conduction state.

During assembling, piston head is separated with piston rod, the top of piston rod is passed through into stop bit seat from stop bit bead one end Centre bore, makes positioning key be located at the lower section of stop bit bead, then piston head is screwed in into piston rod top or directly piston head is welded Extremely on piston rod top, stop bit seat 23 is set to be enclosed on the piston rod above positioning key；The end of piston rod is downwardly into reset Valve seat, makes stop bit bead insert position-arresting groove, and entering positioning key 25 prevents piston rod from producing rotation, piston rod in locating slot 215 End prop up back-moving spring；Stop bit bead is connected by screw thread or bayonet socket with position-arresting groove, stop bit seat is fixed on reset valve seat On top, piston is fixed on reset valve seat, makes piston can only be in the presence of the external force along above and below the axis for resetting valve seat It is mobile, also, the upper limit moved up is the stop bit bead that positioning key arrives to stop bit seat, the lower limit moved down supports for positioning key To the bottom wall of locating slot.

When there is water flowing in jet mixer, negative pressure is produced in vacuum noz(zle), piston is pressed down on, piston head is propped up only Position seat, piston-rod end compresses downwards back-moving spring, shrinks back-moving spring, stomata 26 with reset valve seat outlet nozzle 212 and The outlet side of bypass channel 213 is connected, and resets valve and is in open mode, at this moment, and negative pressure holds piston, and piston persistently compresses multiple Position spring, overcoming the elastic force of back-moving spring makes it not reset upwards；When current stop flowing, the negative pressure in vacuum noz(zle) disappears, Back-moving spring is resetted piston jack-up upwards, makes the position of stomata 26 higher than the outlet nozzle 212 and bypass channel 213 for resetting valve seat Outlet side, reset valve be closed.

The inwall that piston rod outer wall in stomata upper and lower part is respectively equipped with resetting valve seat forms the upper close of tight fit Seal and middle sealing ring；It is close in the case where piston rod is provided with the inwall formation tight fit with reset valve seat close to the end of back-moving spring Seal.

As shown in Figures 2 and 3, when not pressing lower piston, stomata, upper sealing ring and the middle sealing ring of described piston rod It is all located at resetting above the outlet nozzle 212 of valve seat and the outlet side of bypass channel 213, 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 by lower piston, the upper sealing ring of described 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, described flow valve 3 is main by valve body 31, regulation ring 32, air pressure bag 33, regulation spring 34th, needle-valve 35 and sealing ring 36 are constituted.

Described valve body 31 is the hollow T-type structure with three ports, and port directed downwardly is to pass through the 3rd connecting tube The liquid inlet port 311 connected with detergent container, the port of side is the liquid outlet connected with the imbibition nozzle 11 of jet mixer 312；Port upward is the adjustment seat 313 being connected through a screw thread with one end of regulation ring.

A hollow regulation space is formed after regulation ring and adjustment seat connection；The other end center of regulation ring is provided with air-flow Balance pipe；Described air pressure bag is hollow closing column construction, and being provided with the cylindricality wall of air pressure bag can be in external force The lower flexible fold of effect；Air pressure bag is placed in regulation space by its axis mode coaxial with the axis of regulation ring, air pressure Space is left between the cylindricality wall of bag and the inwall for adjusting space；The regulation spring being coaxial therewith is mounted with air pressure bag； Air pressure bag is provided with upward air spout towards the end face of regulation ring, and described air spout passes through the air pressure balance in regulation ring Hole, then be connected by the second connecting tube with the suction nozzle 211 of reset valve 2.

Gap is left between air equalizer opening on air spout and regulation ring, regulation space is kept flat with extraneous air pressure Weighing apparatus；In air pressure bag towards being provided with the fixed seat raised to valve body direction on the end face of valve body；The needle-valve by one section of cylinder and Using an end face of cylinder as the cone composition at cone bottom, the cylindrical portion insertion fixed seat of needle-valve, then pass through pivot pin 37 Fixed seat and needle-valve are locked together；The bead to inner process is provided with valve body inner bore between liquid outlet and adjustment seat 314, provided with the seal groove 315 being outwards recessed on the hollow wall face of bead, sealing ring 7 is placed in seal groove, bead 314 Endoporus and needle-valve cylindrical body outer wall formation negative and positive coordinate；Valve interior wall between liquid outlet and liquid inlet port is provided with inwardly prominent The needle seating 316 risen, the direction of the tip of needle-valve from adjustment seat to liquid outlet is then passed through needle seating 316, pin after passing through sealing ring The cylindrical portion of valve is completely plugged by the endoporus of bead, and the conical sections of needle-valve are by the inner reversible cycle of needle seating, and needle-valve exists It can be moved in the presence of external force along the axis of bead and needle seating.

Air equalizer opening in regulation ring, regulation ring inwall provided with aperture be more than air equalizer opening to air pressure bag The air pressure adjustment seat of direction projection, is provided with lug, nib in the end face of air pressure adjustment seat towards air pressure bag, allows the flow to by lug, nib Gap flowing, prevent air-flow is blocked by air pressure bag towards the end face of regulation ring from can not enter air pressure bag side wall and regulation space Space between inwall.

The spring retainer bead raised to opposite is provided with two relative faces of air pressure bag, the two ends of spring are adjusted It is stuck in spring retainer bead.

Block water plate, dash are set in jet mixer between the narrow positions and the port of export of described jet mixer Leave water hole between piece and the inwall of jet mixer, described block water plate is taper, the vertex of a cone is towards the narrow of jet mixer Narrow portion position, is conformed with, detergent is mixed with water must be more uniformly distributed in the outer wall of block water plate towards water inlet end.

Described regulation ring inwall is provided with internal thread, and described adjustment seat outer wall is provided with and the internal thread phase in regulation ring The external screw thread matched somebody with somebody, by adjusting position of the regulation ring in adjustment seat, it becomes possible to change the pore space size and tune of air pressure bag The prestressing force of spring is saved, so as to change strength when inhaling dynamic needle-valve, changes the pore size between needle-valve and spacing bead, so that Change the amount of the detergent of suction.

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

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

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

Claims

1. a kind of jet mixer (1) for washing machine, jet mixer uses Venturi tube, entrance point and water inlet pipe phase Even, the port of export is connected with washing tub；Connected in jet mixer narrow positions provided with outstanding with inside jet mixer Imbibition nozzle (11) and vacuum noz(zle) (12)；Reset valve (2) by the first connecting tube with the vacuum noz(zle) of jet mixer to be connected, reset Valve is connected by the second connecting tube with flow valve, and the liquid outlet of flow valve (3) is connected by imbibition nozzle with jet mixer, flow Valve is connected by the 3rd connecting tube with detergent container；It is characterized in that：Described reset valve (2) is main by reset valve seat (21), piston (22), stop bit seat (23), back-moving spring (24) composition；Resetting valve has two kinds of working conditions of opening and closing, when penetrating When having water flowing in stream blender, reset valve is pressed, when resetting valve in open mode, current movable property life in jet mixer Negative pressure remains on reset valve, and negative pressure is delivered to flow valve by vacuum noz(zle), reset valve, opens flow valve, washs Agent is entered by flow valve to be mixed in jet mixer with water；When the water in jet mixer stops flowing, in vacuum noz(zle) Negative pressure disappears, and resets valve reset and is closed, the original state for resetting valve is closed mode；When not pressing lower piston, The stomata of piston rod, upper sealing ring and middle sealing ring are all located at resetting the outlet nozzle (212) of valve seat and going out for bypass channel (213) Above gas end, at this moment, lower seal is located at below the inlet end of the suction nozzle (211) and bypass channel (213) that reset valve seat.

2. jet mixer according to claim 1, it is characterised in that：When by lower piston, described piston rod it is upper Sealing ring is located above the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat, at this moment, and middle sealing ring is with Sealing ring is located at below the outlet side of the outlet nozzle (212) and bypass channel that reset valve seat, and stomata (26) is with resetting going out for valve seat Valve is connected with the outlet side of bypass channel.

3. jet mixer according to claim 1, it is characterised in that：Described flow valve (3) it is main by valve body (31), Regulation ring (32), air pressure bag (33), regulation spring (34), needle-valve (35) and sealing ring (36) composition.

4. jet mixer according to claim 1, it is characterised in that：In use, starting washing machine, when washing machine starts During water inlet, water flows in jet mixer to be made to produce negative pressure in vacuum noz(zle) and imbibition nozzle, by lower piston, and piston, which is compressed, resets bullet Spring, makes the stomata on piston rod with resetting the outlet nozzle of valve seat and outlet side, the first connecting tube and the vacuum noz(zle) phase of bypass channel Connection, makes the space residing for back-moving spring be in negative pressure state, continues to compress back-moving spring holding gas so as to hold piston Hole is connected with vacuum noz(zle), and the negative pressure in vacuum noz(zle) passes to flow valve further through the second connecting tube, and negative pressure is delivered in air pressure bag, Shrinking the fold of air pressure bag overcomes the pressure of regulation spring to lift needle-valve, makes to produce space between needle-valve and needle seating, imbibition Mouth, liquid outlet are connected with liquid inlet port, pass through the detergent produced in liquid inlet port in negative pressure, the detergent tank connected with liquid inlet port Space between liquid inlet port, needle-valve and needle seating enters liquid outlet, then by imbibition nozzle enter jet mixer together with water to The Outlet-side flow of jet mixer, impinges upon the formation more uniform liquid detergent of concentration on block water plate；When this water inlet completion, There is no water in jet mixer in flowing, the negative pressure in vacuum noz(zle) and imbibition nozzle all disappears, and back-moving spring resets, by piston to The outlet side of outlet nozzle and bypass channel of the stomata with resetting valve seat on upper jack-up, piston rod disconnects, and accordingly, adjusts spring Also reset, needle-valve is pressed downward to make it block needle seating, detergent stops entering in jet mixer；When washing machine is intake again When, although air pressure is still generated in vacuum noz(zle) and imbibition nozzle, but because piston has resetted, stomata is with resetting going out for valve seat The outlet side of valve and bypass channel is disconnected, and from being unable to negative pressure passing to flow valve, is washed so as to cannot also add Wash agent.