CN106948133A

CN106948133A - A kind of reset valve with volume control device

Info

Publication number: CN106948133A
Application number: CN201710200964.4A
Authority: CN
Inventors: 周先平
Original assignee: Changle Lizhi Products Design Co Ltd
Current assignee: Beijing Valve General Factory Co ltd
Priority date: 2014-09-11
Filing date: 2014-09-11
Publication date: 2017-07-14
Anticipated expiration: 2034-09-11
Also published as: CN107143656B; CN105442262A; CN107143656A; CN106948133B; CN105442262B

Abstract

A kind of reset valve with volume control device, is mainly made up of jet mixer, reset valve and flow valve；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 reset valve with volume control device

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 reset valve on the volume control device 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 one kind can make detergent be mixed into the suitable liquid detergent of concentration with water, and structure is more Rational detergent throwing device.

The content of the invention

It is an object of the invention to provide one kind detergent can be made to be mixed into the suitable liquid detergent of concentration with water, and tied Structure more reasonably detergent throwing device.

The technical scheme is that：A kind of reset valve with volume control device, mainly by reset valve seat 21, work Plug 22, stop bit seat 23, back-moving spring 24 are constituted；Described volume control device is main by jet mixer 1, reset valve 2 and stream Amount valve 3 is constituted；Jet mixer 1 uses Venturi tube, and entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；Penetrating Stream blender narrow positions is provided with the outstanding imbibition nozzle 11 and vacuum noz(zle) 12 that are connected with jet mixer inside；Described The hollow cylindrical that valve seat 21 is upper opening is resetted, outwardly protruding suction nozzle 211, air inlet are provided with the bottom wall for resetting valve seat Mouth is connected by the second connecting tube with flow valve, and outwardly protruding outlet nozzle 212, outlet nozzle are provided with the side wall for resetting valve seat It is connected by the first connecting tube with the vacuum noz(zle) of jet mixer；Be additionally provided with the side wall for resetting valve seat one it is outwardly protruding Body is bypassed, bypass channel 213 is provided with vivo in bypass, the inlet end of bypass channel is close to the bottom wall for resetting valve seat and with resetting valve The endoporus of seat is communicated, and the outlet side of bypass channel and outlet nozzle are coaxial；Back-moving spring is put into reset from valve seat upper opening is resetted In valve seat, and it is placed on the bottom wall for resetting valve seat endoporus, the diameter at the top of back-moving spring is less than the diameter of piston rod；Along reset The top edge of valve seat is provided with a circle with resetting the female coaxial of valve seat and with diameter greater than the position-arresting groove for resetting valve seat endoporus 214, along the down-set locating slot 215 of one or more of the bottom wall of position-arresting groove；Central shaft along stop bit seat 23 is more than provided with aperture Or equal to the through hole of diameter of piston rod, the stop bit bead to lower process, stop bit are provided with along the edge of through hole on stop bit seat bottom wall Bead uses screw thread or bayonet connection with position-arresting groove；Described piston mainly includes piston head and piston rod, in piston rod outer wall The outwardly protruding positioning key 25 matched with locating slot is set, on the piston rod provided with the left and right insertion vertical with its axis Stomata 26, the axis distance of positioning key lower edge and stomata 26 is more than or equal to the bottom wall of locating slot 215 to bypass channel outlet The distance of the axis at end, 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, Stomata is on same axis with bypass channel outlet side and outlet nozzle；The top of piston rod is passed through from stop bit bead one end The centre bore of stop bit seat, 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 will Piston head is welded on piston rod top, stop bit seat 23 is enclosed within the piston rod above positioning key；The end of piston rod is downward Insertion resets valve seat, stop bit bead is inserted position-arresting groove, and entering positioning key 25 prevents that piston rod generation from turning in locating slot 215 Dynamic, the end of piston rod props up back-moving spring；Stop bit bead is connected by screw thread or bayonet socket with position-arresting groove, is fixed on stop bit seat Reset on valve seat top, piston is fixed on reset valve seat, make the piston can only be in the presence of the external force along resetting in valve seat Axis is moved up and down, also, the upper limit moved up arrives to the stop bit bead of stop bit seat for positioning key, and the lower limit moved down is Positioning key arrives to the bottom wall of locating slot；When there is water flowing in jet mixer, negative pressure is produced in vacuum noz(zle), work is pressed down on Plug, makes piston head prop up stop bit seat, piston-rod end compresses downwards back-moving spring, shrinks back-moving spring, and stomata 26 is with resetting The outlet nozzle 212 of valve seat is connected with the outlet side of bypass channel 213, resets valve and is in open mode, at this moment, negative pressure holds work Plug, piston persistently compresses back-moving spring, and overcoming the elastic force of back-moving spring makes it not reset upwards；When current stop flowing, inhale Negative pressure in valve is disappeared, and back-moving spring is resetted piston jack-up upwards, makes the position of stomata 26 higher than the outlet for resetting valve seat The outlet side of mouth 212 and bypass channel 213, resets valve and is 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.

When not pressing lower piston, stomata, upper sealing ring and the middle sealing ring of described piston rod are all located at resetting 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 by lower piston, the upper sealing ring of described 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 the He of 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.

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

As shown in figure 1, a kind of reset valve with volume control device, mainly by reset valve seat 21, piston 22, stop bit Seat 23, back-moving spring 24 are constituted；Described volume control device is main to be made up of jet mixer 1, reset valve 2 and flow valve 3； Jet mixer 1 uses Venturi tube, and entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；It is narrow in jet mixer Narrow portion position is provided with the outstanding imbibition nozzle 11 and vacuum noz(zle) 12 that are connected with jet mixer inside；Valve is resetted by first to connect Adapter is connected with the vacuum noz(zle) of jet mixer, resets valve and is connected by the second connecting tube with flow valve, the liquid outlet of flow valve It is connected by imbibition nozzle with jet mixer, 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 that current movable property is given birth in jet mixer remains on reset valve, 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.

Along the top edge of reset valve seat provided with a circle with resetting the female coaxial of valve seat and with diameter greater than reset 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 within 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 that 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 the 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 arrives to the stop bit bead of stop bit seat for positioning key, and 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.

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 resetting the suction nozzle 211 of 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, air pressure bag side wall and regulation space can not be entered by preventing that air-flow from being blocked by air pressure bag towards the end face of regulation ring 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.

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 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.

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 reset valve with volume control device, mainly by reset valve seat (21), piston (22), stop bit seat (23), Back-moving spring (24) is constituted；Described volume control device is main by jet mixer (1), reset valve (2) and flow valve (3) group Into；Jet mixer (1) uses Venturi tube, and entrance point is connected with water inlet pipe, and the port of export is connected with washing tub；In jet mixing Device narrow positions is provided with the outstanding imbibition nozzle (11) and vacuum noz(zle) (12) that are connected with jet mixer inside；Its feature exists In：Described reset valve seat (21) is the hollow cylindrical of upper opening, is entered on the bottom wall for resetting valve seat provided with outwardly protruding Valve (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；Also set on the side wall for resetting valve seat There is an outwardly protruding bypass body, be provided with bypass channel (213) in vivo in bypass, the inlet end of bypass channel is close to reset valve The bottom wall of seat is simultaneously communicated with the endoporus for resetting valve seat, and the outlet side of bypass channel and outlet nozzle are coaxial；Back-moving spring from reset valve Seat upper opening is put into reset valve seat, and is placed on the bottom wall for resetting valve seat endoporus, and the diameter at the top of back-moving spring is less than The diameter of piston rod；Along the top edge for resetting valve seat the female coaxial of valve seat is enclosed and resetted provided with one and with diameter greater than reset The position-arresting groove (214) of valve seat endoporus, along the down-set locating slot (215) of one or more of the bottom wall of position-arresting groove；Along stop bit seat 23 Central shaft be more than or equal to the through hole of diameter of piston rod provided with aperture, along the edge of through hole provided with downward on stop bit seat bottom wall The stop bit bead of projection, stop bit bead uses screw thread or bayonet connection with position-arresting groove；Described piston mainly include piston head and Piston rod, the outwardly protruding positioning key (25) matched with locating slot is set in piston rod outer wall, on the piston rod provided with The stomata (26) of the vertical left and right insertion of its axis, it is fixed that positioning key lower edge is more than or equal to the axis distance of stomata (26) Position groove (215) bottom wall is to the distance of the axis of bypass channel outlet side, and when being pressed downward piston, positioning key is moved along locating slot Stop bit to the bottom wall of locating slot, at this moment, stomata are on same axis with bypass channel outlet side and outlet nozzle；By piston The top of bar makes positioning key be located at the lower section of stop bit bead from stop bit bead one end through the centre bore of stop bit seat, then by piston Head is screwed in piston rod top or piston head directly is welded on into piston rod top, stop bit seat (23) is enclosed within above positioning key On piston rod；The end of piston rod is downwardly into reset valve seat, stop bit bead is inserted position-arresting groove, enters positioning key (25) Prevent that piston rod from producing rotation in locating slot (215), the end of piston rod props up back-moving spring；Stop bit bead passes through screw thread or card Mouthful be connected with position-arresting groove, be fixed on stop bit seat and reset on valve seat top, piston is fixed on and resetted on valve seat, make the piston can only be Moved up and down in the presence of external force along the axis for resetting valve seat, also, the upper limit moved up arrives to stop bit for positioning key The stop bit bead of seat, the lower limit moved down arrives to the bottom wall of locating slot for positioning key；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 stop bit seat, piston-rod end compresses downwards back-moving spring, Shrink back-moving spring, stomata (26) is connected with the outlet side of the outlet nozzle (212) and bypass channel (213) that reset valve seat, Reset valve and be in open mode, at this moment, negative pressure holds piston, and piston persistently compresses back-moving spring, overcomes the elastic force of back-moving spring It is set not reset upwards；When current stop flowing, the negative pressure in vacuum noz(zle) disappears, and back-moving spring resets piston top upwards Rise, make the position of stomata (26) higher than the outlet nozzle (212) for resetting valve seat and the outlet side of bypass channel (213), reset at valve In closed mode.

2. the reset valve according to claim 1 with volume control device, it is characterised in that：On stomata top with The piston rod outer wall in portion is respectively equipped with the upper sealing ring and middle sealing ring of the inwall formation tight fit with resetting valve seat；In piston rod The lower seal of the inwall formation tight fit with resetting valve seat is provided with close to the end of back-moving spring.

3. the reset valve according to claim 2 with volume control device, it is characterised in that：When not by lower piston When, stomata, upper sealing ring and the middle sealing ring of described piston rod are all located at resetting the outlet nozzle (212) and bypass channel of valve seat (213) above outlet side, at this moment, lower seal is located at the air inlet of the suction nozzle (211) and bypass channel (213) that reset valve seat End lower section；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 (213) above outlet side, at this moment, middle sealing ring and lower seal are located at the outlet nozzle (212) and bypass channel for resetting valve seat Outlet side below, stomata (26) is connected with the outlet nozzle of reset valve seat and the outlet side of bypass channel.