CN213507652U

CN213507652U - Dispensing system and washing machine

Info

Publication number: CN213507652U
Application number: CN202022496614.7U
Authority: CN
Inventors: 王小强; 殷立威; 李延
Original assignee: Jiangsu Leili Motor Co Ltd
Current assignee: Jiangsu Leili Motor Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-22
Anticipated expiration: 2030-11-02

Abstract

A dosing system and a washing machine are disclosed. The delivery system comprises: a reservoir cartridge assembly for containing a detergent and/or a softener; metering pump subassembly, metering pump subassembly include inlet tube, drain pipe and with the muddy sap cavity of inlet tube and drain pipe fluid intercommunication, wherein metering pump subassembly is used for with the detergent and/or the softener of liquid storage box subassembly pump extremely mix the sap cavity, wherein dispensing system still prescribes a limit to mix the runner, mix the runner with metering pump subassembly's drain pipe fluid intercommunication, metering pump subassembly's drain pipe's position is higher than mix the entry of runner. The washing machine comprises the feeding system.

Description

Dispensing system and washing machine

Technical Field

The utility model relates to a dispensing system of washing equipment and washing equipment including dispensing system, for example washing machine.

Background

Conventionally, liquid agents (detergents, softeners and the like) of electrical washing equipment such as washing machines, dish washing machines and the like are put into a designated container once by a user before each washing, and the liquid agents in the container are flushed into a washing drum by water flushing and the like in the washing process of the washing equipment. The amount of the liquid agent to be added in this method depends on the operation of the user, and requires the addition of the liquid agent to the inside of the container for each washing, so that the operation is troublesome and the amount of the liquid agent to be added is unstable.

Automatic liquid agent delivery systems for electric washing equipment are also available on the market. The existing automatic delivery system comprises a box body, a sprinkler component, a liquid storage box component, a one-way valve, a metering pump and the like, wherein the liquid storage box component comprises a liquid storage box and a cover plate, the sprinkler component consists of a sprinkler upper cover and a sprinkler lower cover, and a mixed flow channel is limited between the sprinkler upper cover and the sprinkler lower cover. In the working process, the metering pump absorbs the liquid agent stored in the liquid storage box and pumps the liquid agent into the mixing flow channel, and meanwhile, water flows into the inner injection mixing flow channel to fully dilute and dissolve the liquid agent and then enters the washing equipment through the small holes of the shower lower cover.

The shower head component of the existing automatic delivery system consists of a shower head upper cover and a shower head lower cover. The shower head upper cover and the shower head lower cover need to be assembled through a hot plate welding process. The hot plate welding process is difficult, and the surface areas of the upper cover and the lower cover of the shower and the area needing hot plate welding between the upper cover and the lower cover of the shower are large, so the processing and manufacturing difficulty of the shower is increased.

The existing automatic dispensing system needs to arrange a one-way valve at the liquid inlet of the shower head component to guide the flowing direction of the liquid agent. The mixed flow channel has small volume and narrow space, and has higher technological requirements on the processing precision of the shower assembly and the one-way valve during assembly, thereby further increasing the production and manufacturing cost.

There is therefore a need for a dispensing system that is less costly, simpler to assemble, and more effective in dispensing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cost is lower, and the assembly is simpler to throw in the more excellent dispensing system of effect.

According to an aspect of the utility model, a delivery system is provided, include:

a reservoir cartridge assembly for containing a detergent and/or a softener;

the metering pump assembly comprises a water inlet pipe, a liquid outlet pipe and a liquid mixing cavity communicated with the water inlet pipe and the liquid outlet pipe in a fluid mode, the metering pump assembly is used for pumping detergent and/or softener of the liquid storage box assembly to the liquid mixing cavity,

wherein the dosing system further defines a mixing channel in fluid communication with the outlet conduit of the metering pump assembly, the outlet conduit of the metering pump assembly being positioned higher than the inlet of the mixing channel.

According to some embodiments of the utility model, the measurement pump package is including the measurement pump body and install mix the liquid chamber lid on the measurement pump body, wherein the measurement pump body is including measurement pump body cavity, mix the liquid chamber lid include with the inlet tube with go out the liquid chamber lid cavity of liquid pipe fluid intercommunication, measurement pump body cavity with mix liquid chamber lid cavity fluid intercommunication, with constitute jointly mix the liquid chamber, the measurement pump package be used for with the detergent and/or the softener of liquid storage box subassembly pump extremely measurement pump body cavity.

According to some embodiments of the utility model, the inlet tube with the drain pipe sets up mix on the liquid cavity lid.

According to some embodiments of the present invention, the dispensing system further comprises a fluid line between the outlet of the metering pump assembly and the inlet of the mixing channel,

wherein the infusion tube comprises a first section connected to and in fluid communication with the outlet of the metering pump assembly, a third section in fluid communication with the inlet of the mixing channel, and a second section between the first and third sections and connected to and in fluid communication with the first and third sections,

wherein the first section and the third section extend in a horizontal direction and the second section extends in a vertical direction.

According to some embodiments of the present invention, the reservoir cartridge assembly includes a detergent chamber for containing a detergent and a softener chamber for containing a softener,

wherein the metering pump assembly comprises a detergent conduit and a softener conduit in fluid communication with the detergent chamber and the softener chamber, respectively.

According to some embodiments of the present invention, the liquid storage box assembly comprises a liquid storage box body and a liquid storage box cover plate assembly,

wherein the liquid storage box body defines an upwardly open space, wherein the liquid storage box cover plate assembly closes the upwardly open space defined by the liquid storage box body at a mounting position where the liquid storage box cover plate assembly is mounted to the liquid storage box body,

wherein the mixed flow channel is formed in the liquid storage box cover plate component.

According to some embodiments of the utility model, stock solution lid board subassembly includes:

the liquid storage box cover plate comprises a liquid storage box bottom plate and a plurality of mixed flow channel wall plates extending downwards from the lower surface of the liquid storage box bottom plate, and the liquid storage box bottom plate and the mixed flow channel wall plates define the mixed flow channels;

the mixed flow channel lining plate is fixedly connected to the liquid storage box cover plate, the mixed flow channel wall plate is used for sealing the mixed flow channel, and a leakage hole is formed in the mixed flow channel lining plate.

According to some embodiments of the utility model, mix the runner welt and weld through the hot plate and fix stock solution box apron mix the runner wallboard.

According to the utility model discloses a few embodiments, stock solution box cover includes mixed flow path inlet pipe, mix flow path inlet pipe with the drain pipe fluid intercommunication of measurement pump package spare, it is L shape to mix the flow path, the one end that mixes the flow path links to each other with mixed flow path inlet pipe, and the small opening is in near the other end of mixing the flow path.

According to some embodiments of the utility model, stock solution box cover still includes detergent feed liquor pipeline, softener feed liquor pipeline, with the detergent feed liquor standpipe of detergent feed liquor pipeline fluid intercommunication, with softener feed liquor standpipe of softener feed liquor pipeline fluid intercommunication, the detergent feed liquor standpipe stretches into the detergent cavity of stock solution box body just softener feed liquor standpipe stretches into the softener cavity of stock solution box body.

According to some embodiments of the utility model, the dispensing system is still including puting in the box body, wherein the stock solution box unit mount is in put in the box body, wherein put in the box body and include box body feed liquor pipe, the one end of box body feed liquor pipe with mixed flow channel fluid intercommunication, the other end and the drain pipe fluid intercommunication of measurement pump subassembly.

According to another aspect of the present invention, a washing machine is provided, the washing machine comprising a dispensing system as described above.

Drawings

Fig. 1A and 1B illustrate a delivery system according to some embodiments of the present invention, wherein fig. 1A is an assembled perspective view of the delivery system and fig. 1B is an exploded view of the delivery system;

fig. 2A and 2B illustrate a cartridge assembly according to some embodiments of the present disclosure, wherein fig. 2A is an assembled perspective view of the cartridge assembly and fig. 2B is an exploded view of the cartridge assembly;

fig. 2C and 2D illustrate a liquid storage cartridge case according to some embodiments of the present invention, wherein fig. 2C is a perspective view of the liquid storage cartridge case and fig. 2D is a top view of the liquid storage cartridge case;

fig. 3A-3B illustrate a reservoir cap plate assembly according to some embodiments of the present invention, wherein fig. 3A is an exploded view of the reservoir cap plate assembly and fig. 3B is an assembled view of the reservoir cap plate assembly;

FIGS. 3C and 3D illustrate the cartridge cover plate, wherein FIG. 3C is a perspective view of the cartridge cover plate and FIG. 3D is a bottom view of the cartridge cover plate;

figure 3E illustrates a mixed flow duct liner plate according to some embodiments of the present invention;

FIG. 3F shows a bottom view of a cartridge cover plate assembly with a mixing channel liner secured to the cartridge cover plate;

FIG. 3G shows a side cross-sectional view of a reservoir cap plate assembly;

FIG. 3H illustrates a bottom view of the reservoir lid assembly with the extent of the L-shaped mixing channel shown in bold;

fig. 4A illustrates a drop box according to some embodiments of the present invention;

FIGS. 4B and 4C illustrate the metering pump assembly, wherein FIG. 4B is a perspective view of the assembled metering pump assembly and FIG. 4C is an exploded view of the metering pump assembly;

fig. 4D illustrates a liquid mixing chamber cover according to some embodiments of the present invention;

fig. 4E illustrates a metering pump body according to some embodiments of the present invention;

fig. 4F illustrates an infusion tube according to some embodiments of the present invention;

FIG. 4G is an end view of a portion of the delivery system 10 showing the installed position of the infusion tube;

fig. 5A-5G illustrate assembly of a delivery system according to some embodiments of the present invention, wherein fig. 5A illustrates mounting of a reservoir lid plate assembly to the top of a reservoir box body, fig. 5B illustrates a reservoir box assembly formed after the reservoir lid plate assembly is mounted to the reservoir box body, fig. 5C illustrates mounting of a reservoir box assembly to a delivery box body, fig. 5D illustrates an assembled state of a reservoir box assembly having been mounted to the delivery box body, fig. 5E and 5F illustrate mounting of a metering pump assembly, and fig. 5G illustrates mounting of an upper cover plate to the delivery box body;

fig. 6A is a perspective view of a dispensing system according to some embodiments of the present invention, showing the addition of detergent and softener;

fig. 6B-6G illustrate a delivery process of a delivery system according to some embodiments of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1A and 1B illustrate a delivery system 10 according to some embodiments of the present invention, wherein fig. 1A is an assembled perspective view of the delivery system 10 and fig. 1B is an exploded view of the delivery system 10. As shown, the dispensing system 10 includes a metering pump assembly 100, a dispensing cartridge 300, a reservoir cartridge assembly 200, and an upper cover 400.

Fig. 2A and 2B illustrate a cartridge assembly 200 according to some embodiments of the present invention, where fig. 2A is an assembled perspective view of the cartridge assembly 200 and fig. 2B is an exploded view of the cartridge assembly 200. The reservoir assembly 200 includes a reservoir cartridge body 210, a reservoir cap assembly 250, and a solvent cap assembly 280. In some embodiments shown in fig. 2A and 2B, the cartridge case 210 and the cartridge cover assembly 250 are snap-fit together. In other embodiments of the present invention, the reservoir housing 210 and the reservoir cover assembly 250 may be coupled together by any suitable coupling means. In the embodiment shown in fig. 2A and 2B, the solvent cap assembly 280 includes upper and lower caps, a sealing ring, etc. for dispensing detergent, softener. In other embodiments of the present invention, the solvent cap assembly 280 may take any suitable configuration. In still other embodiments of the present invention, the solvent cap assembly may be omitted, i.e., other embodiments of the present invention do not include a solvent cap assembly.

Fig. 2C and 2D illustrate a reservoir cartridge 210 according to some embodiments of the present invention, wherein fig. 2C is a perspective view of the reservoir cartridge 210 and fig. 2D is a top view of the reservoir cartridge 210. As shown, the cartridge case 210 includes an outer housing 212 and an interior partition 214. The outer housing 212 includes a bottom wall and side walls to generally define an upwardly open space. Internal partitions 214 divide the space defined by the outer housing 212 into several regions or chambers within the outer housing 212, for example as shown in the embodiments of fig. 2C and 2D, the space defined by the outer housing 212 is divided into a softener chamber 220, a detergent chamber 230, and a flush chamber 240. In use, the softener chamber 220 is used for containing and storing softener, the detergent chamber 230 is used for containing and storing detergent, and the flushing chamber 240 is used for putting washing powder and receiving washing solution. When the cartridge body 210 and the cartridge cover assembly 250 are mated together, the softener chamber 220, detergent chamber 230, and flush chamber 240 are fluidly isolated from one another. In the embodiment shown in fig. 2C and 2D, the cartridge body 210 is a unitary piece formed by injection molding. In other embodiments of the present invention, the reservoir cartridge 210 may be a component formed by any other suitable method.

Fig. 3A-3B illustrate a reservoir cover plate assembly 250 according to some embodiments of the present invention, wherein fig. 3A is an exploded view of the reservoir cover plate assembly 250 and fig. 3B is an assembled view of the reservoir cover plate assembly 250. The cartridge cover assembly 250 includes a cartridge cover 252 and a flow channel liner 290. In the embodiment shown in fig. 3A-3B, the flow channel liner 290 is secured to the reservoir cover 252 by a hot plate welding process. Fig. 3C and 3D show the cartridge cover 252, where fig. 3C is a perspective view of the cartridge cover 252 and fig. 3D is a bottom view of the cartridge cover 252. As shown in fig. 3A-3D, the liquid storage box cover plate 252 includes a liquid storage box bottom plate 254, and a detergent liquid inlet pipe 276, a softener liquid inlet pipe 272 and a mixed liquid channel liquid inlet pipe 262 integrally formed with the liquid storage box bottom plate 254 are disposed at a lower side of the liquid storage box bottom plate 254. Detergent inlet duct 276, softener inlet duct 272 and mixed flow duct inlet duct 262 each have a duct opening at one side (left side in the figure) of reservoir floor 254 and extend along reservoir floor 254. Reservoir bottom panel 254 also has a detergent inlet standpipe 278 and a softener inlet standpipe 274, detergent inlet standpipe 278 and softener inlet standpipe 274 being in fluid communication with detergent inlet conduit 276 and softener inlet conduit 272, respectively, and extending downwardly from reservoir bottom panel 254 in a direction perpendicular to reservoir bottom panel 254. When the reservoir lid assembly 250 is mounted with the reservoir housing 210, the detergent inlet standpipe 278 and the softener inlet standpipe 274 extend into the detergent chamber 230 and the softener chamber 220, respectively, for pumping the detergent and the softener from the detergent chamber 230 and the softener chamber 220, respectively.

The cartridge cover plate 252 also includes a plurality of partitions (manifold walls) 256 extending downwardly from the lower surface of the cartridge base plate 254. The reservoir floor 254 and the partition 256 form at least an L-shaped flow mixing channel 264. The mixing channel 264 is in fluid communication with the mixing channel inlet conduit 262.

Fig. 3E illustrates a mixed flow channel liner 290 according to some embodiments of the present invention, and fig. 3F illustrates a bottom view of the reservoir cover plate assembly 250 with the mixed flow channel liner 290 secured to the reservoir cover plate 252. Fig. 3G shows a side cross-sectional view of the cartridge cover assembly 250. As shown, after the flow channel liner 290 is secured to the cartridge cover plate 252, such as by a hot plate welding process, the flow channel liner 290 closes or seals the flow channel 264 of the cartridge cover plate 252. The flow channel liner 290 is provided with a weep hole 292 near its distal end, the weep hole 292 being in the form of a plurality of elongated through holes in the illustrated embodiment. When liquid enters the reservoir cover plate assembly 250 from the mixed flow channel inlet conduit 262, the liquid enters the mixed flow channel 264, which is closed or sealed by the mixed flow channel liner 290, through the mixed flow channel inlet conduit 262, and travels in the mixed flow channel 264 until reaching the orifice 292, and is discharged from the mixed flow channel 264 through the orifice 292.

Fig. 3H is a bottom view of the reservoir cap plate assembly 250 with the extent of the L-shaped flow channel 264 shown in bold. As can be seen, the ratio of the area occupied by the flow mixing channel 264 throughout the cartridge cover plate assembly 250 is relatively small, i.e., the flow mixing channel 264 occupies only a small portion of the area of the entire cartridge cover plate assembly 250. Accordingly, the area of the mixed flow channel liner 290 of the present invention is only a small fraction of the area of the entire reservoir cover plate assembly 250. Therefore, in the utility model discloses in, the area that needs to seal or seal through the hot plate welding technology between mixed flow way welt 290 and liquid storage box apron 252 is less, compares with prior art, has reduced the technology degree of difficulty.

In some embodiments according to the present invention, the mixed flow channel liner 290 is secured to the reservoir cover plate 252 by a hot plate welding process. However, the present invention is not limited thereto, and in other embodiments of the present invention, the mixed flow channel liner 290 may be fixed to the reservoir cover plate 252 by other suitable packaging processes.

Fig. 4A illustrates a drop box 300 according to some embodiments of the invention. As shown, the feeding cartridge 300 comprises a feeding cartridge housing 310, a metering pump mounting bracket 330 disposed at one end of the feeding cartridge housing 310, and a feeding port 340 disposed on the bottom of the feeding cartridge housing 310 for guiding the washing solution flowing down from the reservoir cartridge flush chamber 240 into the washing machine drum. The end of the feeding box body 310 provided with the metering pump mounting rack 330 is also provided with a box body liquid inlet pipe 322, a detergent port 326 and a softener port 324.

Fig. 4B and 4C illustrate the metering pump assembly 100, wherein fig. 4B is a perspective view of the assembled metering pump assembly 100 and fig. 4C is an exploded view of the metering pump assembly 100. The metering pump assembly 100 includes a metering pump body 110 and a liquid mixing chamber cover 120. Fig. 4D illustrates a mixing chamber cover 120 according to some embodiments of the present invention, and fig. 4E illustrates a metering pump body 110 according to some embodiments of the present invention. The metering pump body 110 includes a softener conduit 114a and a detergent conduit 114b for pumping softener and detergent from a softener chamber 220 and a detergent chamber 230, respectively, of the cartridge assembly 200. The metering pump body 110 also includes an open chamber 116 disposed at its outlet. Mixing chamber cover 120 includes an inlet tube 124 and an outlet tube 126, and a chamber 128 between inlet tube 124 and outlet tube 126 in fluid communication with inlet tube 124 and outlet tube 126. The mixing chamber cover 120 may be mounted to the metering pump body 110 by any suitable means known in the art, for example, in the illustrated embodiment, the mixing chamber cover 120 is mounted to the metering pump body 110 by bolting. When the cavity cover 120 is mounted to the metering pump body 110, the cavity cover 120 closes the open chamber 116 of the metering pump body 110, and the chamber 116 is now in fluid communication with the chamber 128 within the cavity cover 120. In operation of the dispensing system 10 of the present invention, water flows through the inlet tube 124, the chamber 128 and the outlet tube 126 of the mixing chamber cover 120, while the metering pump assembly 100 draws softener and detergent into the chamber 116 from the softener chamber 220 and the detergent chamber 230 of the reservoir assembly 200. Since chamber 116 is in fluid communication with chamber 128 within mixing chamber cover 120, water flowing through inlet tube 124, chamber 128 and outlet tube 126 of mixing chamber cover 120 can automatically mix with the detergent and softener pumped into chamber 116 by metering pump assembly 100.

Fig. 4F illustrates infusion tube 130 according to some embodiments of the present invention. As shown, the infusion line 130 includes a first section 132 for connecting to and in fluid communication with the outlet conduit 126 of the metering pump assembly 100, a third section 136 in fluid communication with the fluid inlet conduit 262 of the reservoir assembly 200, and a second section 134 between the first and

third sections

132, 136 and connected to and in fluid communication with the first and

third sections

132, 136. When in the installed position, the first and

third segments

132, 136 extend in a substantially horizontal direction and the second segment extends in a substantially vertical direction. Fig. 4G is an end view of a portion of the delivery system 10 showing the installed position of the infusion tube 130. As shown in fig. 4F and 4G, a first segment 132 of the infusion tube 130 extends in a horizontal direction and is connected at a first end to and in fluid communication with the outlet tube 126 of the metering pump assembly 100. The upper end of the second section 134 of the infusion tube 130 is connected to the second end of the first section 132 and extends in a downward direction. The third segment 136 of the infusion tube 130 is connected to the lower end of the second segment 134 and extends in a horizontal direction and is in fluid communication with the mixed fluid channel inlet conduit 262 of the cartridge assembly 200. As shown, the inlet of tubing 130 is positioned higher than the outlet thereof, and the inlet and outlet of tubing 130 have a height difference, i.e., outlet tube 126 of metering pump assembly 100 is positioned higher than mixed flow channel inlet conduit 262. Therefore, compare in prior art, the utility model discloses a washing solution that mixes there are detergent and/or softener can flow into mixing flow channel 264 voluntarily because of the difference in height, and need not to set up the check valve water conservancy diversion.

Fig. 5A-5G illustrate an assembly process of delivery system 10 according to some embodiments of the present invention. First, the flow channel liner 290 is fixed to the cartridge cover plate 252 by, for example, a hot plate welding process to close or seal the flow channel 264 of the cartridge cover plate 252, thereby obtaining the cartridge cover plate assembly 250. Thereafter, as shown in fig. 5A, the cartridge cover plate assembly 250 is mounted to the top of the cartridge body 210, thereby closing the upwardly open space defined by the cartridge body 210. The cartridge cover assembly 250 may be mounted to the cartridge body 210 by any suitable method known in the art. In the illustrated embodiment, the reservoir cover assembly 250 is mounted to the reservoir cartridge body 210 by a snap fit 283. Fig. 5B shows the cartridge assembly 200 formed after the cartridge cover plate assembly 250 is mounted to the cartridge body 210. When the reservoir lid assembly 250 is mounted to the reservoir casing 210, the detergent inlet standpipe 278 and the softener inlet standpipe 274 of the reservoir lid assembly 250 extend into the detergent chamber 230 and the softener chamber 220, respectively, for pumping the detergent and the softener from the detergent chamber 230 and the softener chamber 220, respectively.

Fig. 5C shows the mounting of the cartridge assembly 200 to the delivery cartridge 300. The delivery cartridge 300 comprises a slide 350 arranged on the bottom inner wall of the delivery cartridge 300. The outer wall of the bottom of the liquid storage box assembly 200 is provided with a sliding rail or a sliding groove corresponding to the sliding rail 350. In the installation process, under the condition that the slide rail or the chute of the cartridge assembly 200 is matched with the slide way 350 of the drop box 300, the cartridge assembly 200 is plugged into the drop box along the slide way 350 of the drop box 300 until the front wall of the cartridge assembly 200 abuts against the inner wall of the drop box 300 and cannot advance. At this time, the box liquid inlet pipe 322 of the feeding box body 310 is inserted into the mixed liquid channel liquid inlet pipe 262 of the liquid storage box cover plate assembly 250, and the detergent liquid inlet pipe 276 and the softener liquid inlet pipe 272 of the liquid storage box cover plate assembly 250 are aligned with the detergent port 326 and the softener port 324 of the feeding box body 300, respectively. Fig. 5D shows the assembled state of the cartridge assembly 200 mounted to the delivery cartridge 300.

Fig. 5E and 5F illustrate the installation process of the metering pump assembly 100. First, the liquid mixing chamber cover 120 is mounted to the metering pump body 110 to obtain the metering pump assembly 100. The mixing chamber cover 120 may be mounted to the metering pump body 110 by any suitable means known in the art, for example, in the illustrated embodiment, the mixing chamber cover 120 is mounted to the metering pump body 110 by bolting. Then, connect the liquid inlet of infusion tube 130 to liquid outlet tube 126 of dosing pump assembly 100, and mount dosing pump assembly 100 to dosing pump mounting bracket 330 of dosing cassette housing 310, while aligning and connecting the liquid outlet of infusion tube 130 to cassette liquid inlet tube 322 of dosing cassette housing 310, and while inserting softener conduit 114a and detergent conduit 114b of dosing pump assembly 100 into detergent port 326 and softener port 324 of dosing cassette housing 310, respectively, so as to be in fluid communication with detergent liquid inlet conduit 276 and softener liquid inlet conduit 272 of reservoir assembly 200, respectively.

Finally, the upper cover 400 is mounted to the delivery cartridge 300 to complete the assembly of the delivery system 10. The upper cover plate 400 may be connected to the delivery cartridge 300 by any suitable means known in the art, for example, in some embodiments of the invention as shown, the upper cover plate 400 is connected to the delivery cartridge 300 by a snap fit. Fig. 5G shows the mounting process of the upper cover plate 400 to the delivery cartridge 300. Through upper cover plate 400 fixed with the buckle cooperation of puting in the box body outer wall, can avoid liquid when pouring into the mixed runner of stock solution box apron in, stock solution box apron is because of receiving the too big condition that violently trembles even and breaks away from with the stock solution box body on the stock solution box body of water flow impact.

The operation of delivery system 10 according to some embodiments of the present invention will be described below in conjunction with fig. 6A-6G.

Fig. 6A is a perspective view of a dispensing system 10 according to some embodiments of the present invention, illustrating the addition of detergent and softener. As shown, the user opens the upper cover of the solvent cover assembly 280 to expose the detergent addition port 282a and the conditioner addition port 282 b. The user then adds detergent and softener to the cartridge assembly 200 through the detergent addition port 282a and the softener addition port 282b, respectively. The user can add any suitable amount of detergent, softener to the reservoir assembly 200 as long as the detergent, softener in the reservoir assembly 200 does not exceed the warning location.

Fig. 6B-6G illustrate the delivery process of delivery system 10 according to some embodiments of the present invention. As shown in fig. 6B, the detergent chamber 230 of the reservoir assembly 200 of the dispensing system 10 has been filled with a quantity of detergent. The metering pump assembly 100 operates to pump a volume of detergent stored in the detergent chamber 230 of the reservoir assembly 200 through the detergent inlet standpipe 278, the detergent inlet line 276 and into the chamber 116 of the metering pump assembly 100, as indicated by the arrows in fig. 6B. The pumping amount of the detergent is automatically determined by a control system of the washing apparatus according to a washing program, washing parameters, and the like. The process of pumping the softener is similar to that of detergent and will not be described again.

As shown by the dashed arrows in FIG. 6C, water enters through inlet tube 124 of mixing chamber cover 120, and exits mixing chamber cover 120 through chamber 128 and outlet tube 126. Since the chamber 128 of the mixing chamber cover 120 is in fluid communication with the chamber 116 of the metering pump body 110, water passing through the mixing chamber cover 120 will automatically undergo preliminary dilution, dissolution, mixing with the detergent and/or softener pumped into the chamber 116 by the metering pump assembly 100 to form a wash solution. The wash solution exiting the mixing chamber cap 120 enters the mixed fluid channel inlet conduit 262 of the cartridge assembly 200 through the fluid conduit 130. As best shown in fig. 4F and 4G, the structure of the infusion tube 130 makes the position of the outlet tube 126 of the liquid mixing chamber cover 120 higher than the mixed flow channel inlet conduit 262 of the liquid storage box assembly 200, so that the washing solution mixed with the detergent and/or softener can automatically flow into the mixed flow channel 264 due to the height difference without setting a check valve for guiding the flow.

As shown in fig. 6D and 6E, the system solution passes through the L-shaped mixing channel 264 to the weep hole 292 near the tip of the mixing channel 264, where the weep hole 292 is in the form of a plurality of elongated through holes. The washing solution can be sufficiently diluted and dissolved in the process of flowing through the mixing channel, and then flows out of the mixing channel 264 from the leakage hole 292 of the mixing channel lining plate 290. As shown in fig. 6F and 6G, the washing solution flowing out of the orifice 292 enters the washing chamber 240 of the cartridge case and enters the inner tub of the washing machine through the input port 340 of the input case 300 to be washed. The direction of the washing solution flow is shown by the dashed arrow in the figure.

The foregoing description, by way of example, describes some embodiments of the invention with reference to the accompanying drawings. However, the present invention is not limited thereto, and some obvious modifications or variations of the present invention are also within the scope of the present invention. In addition, for the sake of clarity, some parts are omitted from the description and the drawings of the present invention, for example, in some embodiments, the dispensing system of the present invention may further include a liquid level sensing module, and each water inlet/outlet pipe, a water container, and the like. In addition, in some embodiments of the present invention, a rubber member (e.g., an O-ring) may be used for sealing (not shown) between the metering pump assembly and the dispensing box, between the metering pump assembly and the liquid storage box, and between each water inlet/outlet pipe (not shown) and the pipeline (not shown), but not limited thereto. Additionally, in some embodiments of the utility model, put in between box body and apron, liquid storage box apron subassembly and the liquid storage box body and can adopt the cooperation mode cooperation that is not limited to the buckle.

In the above description of the present invention, some embodiments of the present invention have been described by taking the putting system of the washing machine as an example. However, the utility model is not limited to the above, and the utility model can also be used for electric washing equipment such as dish washer. In the above description of the present invention, some embodiments of the present invention have been described by taking the detergent and the softener as examples. However, the present invention is not limited thereto, and the present invention may adopt only a detergent, or other detergents other than a detergent or a softener.

The utility model discloses a dispensing system has following technical advantage at least:

1. in prior art dispensing systems, water is introduced directly into the showerhead assembly and mixing between the water and the detergent and softener takes place within the showerhead assembly. Because the water flow channel is additionally arranged in the single shower head component to mix water with detergent and softener, the scheme of the prior art increases the hot plate welding area. And in the delivery system of the utility model, the liquid mixing cavity cover is arranged on the metering pump assembly, and the liquid conveying pipe between the liquid mixing cavity cover and the liquid storage box assembly is arranged. Compared with the prior art, the utility model discloses a dispensing system adopts the independent external mode of mixing liquid chamber lid and transfer line to realize the input of washing liquid and softener, has reduced the processing degree of difficulty and manufacturing cost under the condition that realizes equal function.

2. Compare with the scheme that gondola water faucet subassembly inlet and measuring pump liquid outlet are located same position height among the prior art, the utility model discloses well liquid chamber lid and transfer line make the liquid outlet of mixing liquid chamber lid highly be higher than mixed flow way inlet height, so need not check valve guide liquid and flow, have reduced production and manufacturing cost.

3. Compare the scheme of the mixed runner in directly introducing the gondola water faucet subassembly with rivers among the prior art, the utility model discloses a scheme rivers guide path is longer, and the detergent mixes to dissolve more fully, has optimized laundry effect and user experience.

4. Compare with prior art's dispensing system including independent gondola water faucet subassembly, the utility model discloses a dispensing system has cancelled the gondola water faucet subassembly that is used for originally diluting, dissolving, sprays the washing solution to set up the mixed runner structure that possesses the same function on stock solution box cover board. And prior art, the utility model discloses a dispensing system does not include solitary gondola water faucet subassembly, has reduced the processing degree of difficulty, reduces material cost, reduces the equipment degree of difficulty of subassembly producer.

5. The utility model discloses a can adopt between mixed flow way welt and the stock solution box cover plate and be not limited to the packaging technology that the hot plate welded. Because the utility model discloses an area of mixed flow way welt is only a small part of the area of whole stock solution box apron subassembly the utility model discloses in, need seal or sealed area through the hot plate welding technology between mixed flow way welt and the stock solution box apron less, compare with prior art, so processing is simpler, has effectively improved welding yield and packaging efficiency, has reduced the processing degree of difficulty and manufacturing cost.

6. The utility model discloses cancelled solitary gondola water faucet subassembly, improved dispensing system's space utilization. Therefore, compared with the prior art, the utility model discloses a mixed flow channel volume that mixed flow channel formed between mixed flow channel welt and the stock solution box apron can be bigger, therefore the dilution of detergent and softener dissolves more fully.

7. The utility model discloses set up the mixed flow way in stock solution box apron below, more make full use of the inside space of stock solution box.

The above description is only for the purpose of illustrating exemplary embodiments of the principles of the present invention, and is not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also within the scope of the invention.

Claims

1. A delivery system, comprising:

a reservoir cartridge assembly for containing a detergent and/or a softener;

2. The delivery system of claim 1,

the metering pump assembly comprises a metering pump body and a liquid mixing cavity cover arranged on the metering pump body,

wherein the measurement pump body is including measurement pump body cavity, mix the liquid chamber lid include with the inlet tube with the liquid chamber lid cavity that mixes of liquid outlet pipe fluid intercommunication, measurement pump body cavity with mix liquid chamber lid cavity fluid intercommunication, in order to constitute jointly mix the liquid chamber, measurement pump assembly be used for with the detergent and/or the softener of stock solution box subassembly pump extremely measurement pump body cavity.

3. A dispensing system in accordance with claim 2 in which said inlet conduit and said outlet conduit are disposed on said mixing chamber cover.

4. The dispensing system of claim 1 further comprising a fluid line between a fluid outlet of said metering pump assembly and an inlet of said mixing channel,

5. The dispensing system of claim 1, wherein the reservoir assembly comprises a detergent chamber for containing a detergent and a softener chamber for containing a softener,

6. The dispensing system of any one of claims 1-5, wherein the reservoir assembly comprises a reservoir cartridge body and a reservoir cartridge cover assembly,

7. The dispensing system of claim 6, wherein the reservoir cap plate assembly comprises:

8. The dispensing system of claim 7 wherein the mixing channel liner is secured to the mixing channel wall panel of the cartridge cover by hot plate welding.

9. A dispensing system in accordance with claim 7 in which said reservoir cover includes a mixing channel inlet conduit in fluid communication with the outlet conduit of said metering pump assembly, said mixing channel is L-shaped, one end of said mixing channel is connected to said mixing channel inlet conduit, and said weep hole is near the other end of said mixing channel.

10. The dispensing system according to claim 7, wherein the reservoir cover further comprises a detergent inlet conduit, a softener inlet conduit, a detergent inlet standpipe in fluid communication with the detergent inlet conduit, and a softener inlet standpipe in fluid communication with the softener inlet conduit, the detergent inlet standpipe extending into the detergent chamber of the reservoir box body and the softener inlet standpipe extending into the softener chamber of the reservoir box body.

11. A dosing system according to claim 1, further comprising a dosing cartridge, wherein the reservoir assembly is mounted in the dosing cartridge, wherein the dosing cartridge comprises a cartridge inlet tube, one end of the cartridge inlet tube being in fluid communication with the flow mixing channel and the other end being in fluid communication with the outlet tube of the metering pump assembly.

12. A washing machine, characterized in that it comprises a dosing system according to any one of claims 1-11.