Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
  • D06F39/02—Devices for adding soap or other washing agents
  • D06F39/026—Devices for adding soap or other washing agents the powder or tablets being added directly, e.g. without the need of a flushing liquid
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
  • D06F39/02—Devices for adding soap or other washing agents

Definitions

• the present invention belongs to the technical field of clothing processing equipment, and specifically relates to an automatic dispensing device for a washing machine, and more particularly to a dispensing device with an automatic dispensing function for washing powder, and more particularly to a negative pressure suction structure applied to the automatic dispensing device; and also relates to a washing machine equipped with the above-mentioned automatic dispensing device.
• Existing washing machines are generally provided with a water drum for holding washing water, a rotatable washing drum is arranged in the water drum, and a dehydration hole connecting the inside and the outside of the washing drum is provided on the washing drum, so that the washing water flowing into the water drum can flow alternately inside and outside the washing drum through the dehydration hole, so as to achieve the effect of contacting the washing water with the load to be processed placed in the washing drum and using the washing water to process the load.
• the above-mentioned conventional method of adding additives to washing machines is as follows: the additives are added into a pipe connected to the washing machine water drum through an additive adding device, and then the added additives flow into the washing machine water drum along the pipe. Therefore, the additives added in the conventional method are in the washing machine water drum and outside the washing drum, and cannot directly contact the load added in the washing drum.
• the traditional method of adding additives has the problem of low efficiency of the added additives and waste of additives.
• the traditional method of adding additives in order to ensure that the additives added between the water drum and the washing drum are in contact with the load to be processed in the washing drum, a large amount of water needs to flow into the water drum until the water level of the washing water in the water drum is higher than that of the washing drum, so that the washing water can flow into the washing drum through the dehydration hole and the additives can contact with the load in the washing drum. Therefore, the traditional method of adding additives still has the problem of excessive water consumption for adding additives.
• the existing additive delivery device generally only has the automatic delivery function of liquid detergent, and does not have the delivery function of solid additives such as washing powder, so that the existing essence washing washing machine cannot use solid washing powder and other additives to perform essence washing on clothes.
• the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an automatic dispensing device to achieve the purpose of directly dispensing additives such as washing powder through a water supply channel; at the same time, another purpose of the present invention is to provide an automatic dispensing device to achieve the purpose of extracting and dispensing the additive mixture by using negative pressure.
• the present invention provides a dispensing device, which comprises: a dispensing box, which has a washing powder cavity for dispensing washing powder inside; a water tank, which uses the water flow entering the water tank from an automatic dispensing device to flush the washing powder in the washing powder cavity into the water tank to form a washing powder dissolving liquid; a water supply waterway, which is equipped with a negative pressure suction structure, and uses the water flow flowing through the water supply waterway to form a negative pressure; the negative pressure suction structure is connected to the water tank, and uses the negative pressure to suck the washing powder dissolving liquid in the water tank into the water supply waterway.
• the negative pressure suction structure is a Venturi tube installed on the water supply waterway.
• the Venturi tube has a narrowing section and an expanding section arranged in sequence.
• a negative pressure port that connects the inside and outside of the pipeline is provided at the connecting point of the narrowing section and the expanding section.
• the negative pressure port is connected to the laundry detergent solution outlet arranged at the bottom of the sink through a liquid extraction pipeline.
• a water inlet structure is provided on the top of the sink, which is connected to the water supply channel of the sink.
• the water inlet structure has a water outlet facing the detergent chamber of the delivery box, and the detergent in the detergent chamber is flushed into the sink by the flowing water.
• the water outlet of the water inlet structure is opened downward and is located above the opening at the top of the detergent chamber.
• a dividing rib is provided at the bottom of the sink, dividing the lower part of the sink into a first water outlet trough and a second water outlet trough; a detergent solution outlet and a main wash outlet are respectively provided at the bottom of the first water outlet trough and the second water outlet trough, and the detergent solution outlet is connected to the negative pressure port of the negative pressure suction structure through a liquid extraction pipeline, and the main wash outlet is connected to the water circuit of the automatic dispensing device.
• first water outlet trough and the second water outlet trough are arranged in sequence front to back, and the first water outlet trough is connected to the outlet of the washing powder chamber, so that the washing powder can flow in together with the incoming water; preferably, the bottom of the first water outlet trough is an inclined surface converging toward the main wash outlet, which is used to guide the washing powder dissolved liquid in the first water outlet trough to flow to the washing powder dissolved liquid outlet.
• the delivery box also has at least one delivery cavity for containing detergent, and the detergent in the delivery cavity is delivered into the second water outlet of the sink by means of the water inlet structure arranged on the top of the sink; preferably, the bottom of the second water outlet is an inclined surface that converges toward the laundry detergent water outlet, so as to guide the liquid in the second water outlet to flow toward the main wash outlet.
• the sink is provided with a drawer portion that can be pulled out toward the front side, the drawer portion constitutes a delivery box, and the delivery box is provided with at least one washing powder cavity for containing washing powder and at least one delivery cavity for containing detergent;
• the front side of the sink has an opening for the drawer portion to be pulled out outward, and the front side wall of the sink is composed of a front side baffle plate that is located below the opening and extends vertically, and the top height of the front side baffle plate is higher than the top height of the dividing rib.
• outlet of the water supply waterway and the outlet of the delivery waterway constitute the washing powder delivery port and the detergent delivery port of the automatic delivery device respectively; or, the outlet of the water supply waterway is connected to the delivery waterway, and the outlet of the delivery waterway constitutes the delivery port shared by the washing powder solution and the detergent solution of the automatic delivery device.
• the sink also includes a water supply circuit for the sink, an upper cover is provided on the top of the sink, a water inlet structure is provided on the upper cover, the water supply circuit for the sink is connected to the water inlet structure; the water outlet of the water inlet structure is opened toward the washing powder chamber below, for letting water into the sink through the washing powder chamber.
• Another object of the present invention is to provide a washing machine equipped with the above-mentioned automatic dispensing device to achieve the purpose of directly dispensing additives into the washing drum, thereby achieving the direct contact of the mixed liquid of additives such as detergent powder with the load to be processed in the washing drum, thereby improving the utilization rate of additives such as detergent powder.
• the present invention also discloses a washing machine, which includes a washing drum for holding the load to be processed, and also includes any of the automatic dispensing devices described above, the inlets of each water supply channel of the automatic dispensing device are connected to the water inlet pipe of the washing machine, and the dispensing port of the automatic dispensing device is connected to the washing drum.
• the present invention has the following beneficial effects compared with the prior art:
• the washing powder solution to be put in is extracted by using the water flow flowing through the separately provided water supply waterway 1, so as to achieve the effect of automatically extracting and putting the washing powder solution; at the same time, the extracted washing powder solution is directly mixed into the water supply waterway 1, so as to achieve the effect of directly mixing the washing powder solution in the water supply waterway 1 and then putting it into the washing drum 300 of the washing machine, thereby achieving a significant technical progress of directly using the washing powder solution to wash the clothes in the drum with high concentration essence.
• the present invention arranges the above-mentioned additive delivery device on the washing machine, so that the additives of the washing machine form a mixed liquid and directly flow to the nozzle through the water supply waterway and are directly sprayed into the washing drum by the nozzle, thereby achieving the purpose of directly spraying the additive mixed liquid onto the load to be processed in the washing drum without passing through the water storage drum outside the washing drum.
• a washing machine equipped with the above-mentioned dosing device can realize that the additive mixed solution formed by the additive mixing with a small amount of incoming water in the water supply waterway is directly sprayed onto the load to be processed in the washing drum, thereby significantly improving the utilization rate of the additives added.
• the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an automatic dispensing device to achieve the purpose of directly dispensing additives such as washing powder through the water supply channel.
• another purpose of the present invention is to provide a dispensing device to achieve the purpose of dissolving, mixing, extracting and dispensing additives by using the water flowing through different water channels.
• the present invention provides a delivery device, which comprises: at least two water supply channels, a trough water supply channel and a delivery water supply channel; the trough is provided with a delivery box, and the delivery box has a delivery cavity for storing an additive; the trough water supply channel is connected with a water inlet structure arranged on the top of the trough, and the additive in the delivery cavity is flushed into the trough by the inlet water, and dissolved and mixed in the trough to form a mixed liquid to be added; the delivery water supply channel is connected with the outlet of the trough, and the mixed liquid to be added mixed in the trough is extracted by the flowing water flow and delivered outward together with the flowing water flow.
• the delivery device has a water inlet valve, which is a one-inlet and two-outlet valve, controlling the connection between the inlet and the two outlets, or the connection or disconnection between the two outlets; the two outlets are respectively connected to the inlet of the water tank water supply circuit and the delivery water supply circuit.
• a water inlet valve which is a one-inlet and two-outlet valve, controlling the connection between the inlet and the two outlets, or the connection or disconnection between the two outlets; the two outlets are respectively connected to the inlet of the water tank water supply circuit and the delivery water supply circuit.
• a dispenser box that can be pulled outward is provided in the sink, and a detergent powder chamber is provided on the dispenser box.
• the bottom of the detergent powder chamber is provided with an outlet, and the top opening constitutes an inlet; at least the outlet pipe section of the water supply circuit of the sink is integrated on the upper cover on the top of the sink, and the outlet of the water supply circuit of the sink is opened toward the top opening of the detergent powder chamber, so as to directly flow the outlet water into the detergent powder chamber.
• a water supply waterway is arranged outside the sink, and a negative pressure suction structure is provided in the middle of the water supply waterway.
• the suction port of the negative pressure suction structure is connected to the washing powder solution outlet arranged at the bottom of the sink through a liquid suction pipeline, so as to extract the washing powder solution into the water supply waterway.
• a boosting structure for pressurizing the water flowing through the water supply waterway is provided on the water supply waterway, so as to form a boosted water flow in the water supply waterway; the boosting structure is arranged upstream of the negative pressure suction structure, so as to use the boosted water flow to perform high-speed impact mixing on the extracted detergent solution;
• the boosting structure is a boosting nozzle formed by a tapered pipeline whose radial dimension gradually narrows along the water flow direction.
• the negative pressure suction structure is a Venturi tube, which is provided with a pipe section that utilizes the change in pipe diameter to change the flow rate of the water flowing through it, and the pipe section has a negative pressure suction area that utilizes the flowing water to generate negative pressure, and the negative pressure suction area is provided with a negative pressure port that connects the inside and the outside, and the negative pressure port is connected to the washing powder outlet provided at the bottom of the sink through a liquid extraction pipeline.
• the negative pressure suction structure includes a pumping chamber and a venturi tube connected in series on the water supply waterway.
• a boosting nozzle is provided in the pumping chamber, and the boosting nozzle is connected to the inlet of the pumping chamber. The boosting nozzle is used to boost the pressure and speed up the water flow flowing into the venturi tube.
• the booster nozzle, the liquid extraction chamber, and the venturi tube are all coaxially arranged, and there is a gap between the booster nozzle and the inner wall of the liquid extraction chamber.
• a negative pressure port is opened on the side wall of the liquid extraction chamber, and the negative pressure port is connected with the venturi tube through the gap.
• the negative pressure generated by the venturi tube acts on the liquid extraction chamber, and a negative pressure suction zone that can generate negative pressure is formed in the liquid extraction chamber.
• outlet of the delivery water supply channel constitutes the delivery port of the delivery device.
• Another object of the present invention is to provide a washing machine equipped with the above-mentioned automatic dispensing device to achieve the purpose of directly dispensing additives into the washing drum, thereby achieving the direct contact of the mixed liquid of additives such as detergent powder with the load to be processed in the washing drum, thereby improving the utilization rate of additives such as detergent powder.
• the pre-dosed washing powder can be mixed to form a washing powder solution, and the washing powder solution can be extracted and dispensed separately, thereby achieving the effect of automatically dispensing the washing powder dispensed by the user; at the same time, since the two water supply circuits can be executed synchronously, the mixing and extraction of the washing powder can be executed synchronously, which greatly shortens the time consumed by the dispensing device for dispensing the washing powder.
• the present invention arranges the above-mentioned additive delivery device on the washing machine, so that the additives of the washing machine form a mixed liquid and directly flow to the nozzle through the water supply waterway and are directly sprayed into the washing drum by the nozzle, thereby achieving the purpose of directly spraying the additive mixed liquid onto the load to be processed in the washing drum without passing through the water storage drum outside the washing drum.
• the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a negative pressure suction structure to achieve the purpose of efficiently extracting the mixed liquid of additives such as washing powder. Another purpose is to provide a negative pressure suction structure to pressurize the water flow generating negative pressure inlet, thereby improving the negative pressure suction effect and increasing the rate of adding the mixed liquid of additives.
• the present invention provides a negative pressure suction structure, which comprises: a liquid inlet pipe section, comprising a liquid inlet pipe section for fluid to flow in; a liquid outlet pipe section, comprising a liquid outlet pipe section for fluid to flow out; the outlet portion of the liquid inlet pipe section is inserted into the inlet portion of the liquid outlet pipe section, the liquid inlet pipe section and the liquid outlet pipe section are connected to form a flow channel for water to flow through; the gap between the outer wall of the outlet portion of the liquid inlet pipe section and the inner wall of the inlet portion of the liquid outlet pipe section constitutes a negative pressure suction area where negative pressure is generated by water flowing through the flow channel, and the outer wall of the liquid outlet pipe section is provided with a negative pressure port which connects the negative pressure suction area with the outside world.
• the outlet of the liquid inlet pipe section is a tapered pipe whose diameter gradually narrows along the direction of water flow;
• the inlet of the liquid outlet pipe section is a straight pipe coaxially sleeved on the outer wall of the tapered pipe, and the inner diameter of the straight pipe is larger than the maximum outer diameter of the tapered pipe;
• the downstream part of the straight pipe is a Venturi tube, which is coaxially arranged downstream of the tapered pipe of the liquid inlet pipe section, and the minimum outer diameter of the tapered pipe is smaller than the maximum inner diameter of the Venturi tube.
• the venturi tube includes a constricted section, a straight section and a flared section arranged in sequence along the water flow direction; the minimum inner diameter of the constricted section is larger than the minimum inner diameter of the constricted tube and smaller than the maximum inner diameter of the constricted tube.
• the upstream end of the straight tube at the inlet of the liquid outlet pipe section is sealed with the outlet of the liquid inlet pipe section, the downstream end is connected with the inlet end of the venturi tube, and a negative pressure port is provided on the middle pipe wall to connect the inside and outside of the pipe.
• a radially protruding annular assembly portion is provided on the outer wall of the liquid outlet portion of the liquid inlet pipe section, and a radially outwardly protruding assembly groove is provided on the outer wall of the upstream end of the straight pipe for correspondingly inserting and assembling the annular assembly portion; preferably, at least one circle of sealing ring is provided at the junction of the annular assembly portion and the assembly groove, which is used to seal the joint between the liquid inlet pipe section and the liquid outlet pipe section.
• the annular assembly portion is arranged at the large end of the contracted tube of the liquid inlet pipe section, and the axial length of the contracted tube is greater than or equal to the axial length of the straight tube and less than the sum of the axial lengths of the straight tube and the expanded section.
• the inner diameter of the straight pipe is larger than the maximum inner diameter of the venturi tube, and the downstream end of the straight pipe is connected to the large end of the necking section via a transition corner.
• the aperture of the negative pressure port is smaller than the maximum inner diameter of the venturi tube and larger than the minimum inner diameter of the reduction tube.
• Another object of the present invention is to provide an automatic dispensing device to achieve the purpose of directly dispensing additives such as washing powder through the water supply channel.
• a delivery device including a water tank, which mixes the additive delivered by the user with the incoming water to form a mixed liquid; and also includes a water supply waterway, on which the above-mentioned negative pressure suction structure is installed, the inlet of the liquid inlet pipe section of the negative pressure suction structure is connected to the upstream of the water supply waterway, the outlet of the liquid outlet pipe section is connected to the downstream of the water supply waterway, and the negative pressure port is connected to the outlet of the water tank via the liquid pumping pipeline, and the negative pressure generated by the flowing water is used to pump the mixed liquid in the water tank into the water supply waterway for delivery.
• Another object of the present invention is to provide a washing machine equipped with the above-mentioned automatic dispensing device to achieve the purpose of directly dispensing additives into the washing drum, thereby achieving the direct contact of the mixed liquid of additives such as detergent powder with the load to be processed in the washing drum, thereby improving the utilization rate of additives such as detergent powder.
• the present invention also discloses a washing machine, comprising a washing drum and the above-mentioned delivery device, wherein the outlet of the water supply channel is connected with the washing drum and is used for delivering the mixed liquid into the washing drum.
• the present invention has the following beneficial effects compared with the prior art:
• the negative pressure suction structure is integrated with the boosting structure, so that the water flow flowing into the negative pressure suction structure is first pressurized and accelerated, which greatly increases the water pressure of the water flow flowing through the negative pressure suction structure, thereby increasing the negative pressure at the negative pressure suction area, so that the rate of extracting the additive mixed liquid is significantly improved.
• the injection process of the boosting structure composed of the constricted tube can be used to generate negative pressure in the negative pressure suction area, further improving the negative pressure suction effect.
• the present invention arranges the above-mentioned additive delivery device on the washing machine, so that the additives of the washing machine form a mixed liquid and directly flow to the nozzle through the water supply channel and are directly sprayed into the washing drum by the nozzle, thereby achieving the goal of not adding additives to the washing machine.
• the water does not flow through the water tank outside the washing drum, but directly flows into the washing drum through the water path of the delivery device and is sprayed onto the load to be processed, thereby achieving the purpose of directly spraying the additive mixed liquid onto the load to be processed in the washing drum.
• a washing machine equipped with the above-mentioned dosing device can realize that the additive mixed solution formed by the additive mixing with a small amount of incoming water in the water supply waterway is directly sprayed onto the load to be processed in the washing drum, thereby significantly improving the utilization rate of the additives added.
• the invention has a simple structure, significant effects and is suitable for popularization and use.
• FIG1 is a schematic diagram of a delivery device according to an embodiment of the present invention.
• FIGS. 2 to 3 are schematic diagrams of the structure of the delivery device according to the embodiment of the present invention from different viewing angles;
• FIG4 is a schematic diagram of the exploded structure of the delivery device according to an embodiment of the present invention.
• FIG. 5 is a schematic cross-sectional view of the structure of the delivery device according to an embodiment of the present invention.
• FIG6 is an enlarged schematic diagram of the structure of point A in FIG5 according to an embodiment of the present invention.
• FIG. 7 is a schematic structural diagram of a water tank in an embodiment of the present invention.
• FIG. 8 is a schematic structural diagram of a delivery device according to another embodiment of the present invention.
• FIG. 9 is a flow chart of a method for controlling a delivery device according to an embodiment of the present invention.
• connection can be a fixed connection, a detachable connection, or an integral connection.
• Connection can be mechanical connection or electrical connection; can be directly connected or indirectly connected through an intermediate medium.
• a washing machine is introduced in an embodiment of the present invention, which comprises: a water drum 200 for holding water, a rotatable washing drum 300 for holding a load to be processed is installed in the water drum 200, and an automatic delivery device 100 for directly delivering an additive mixed liquid into the washing drum 300.
• the washing machine can achieve the effect of delivering the additive mixed liquid directly into the washing drum 300, and the delivered additive mixed liquid is directly sprayed onto the load to be processed in the washing drum 300, thereby achieving a significant technical progress in improving the utilization rate of additives.
• the additive can be liquid detergent, softener, disinfectant, etc.; the additive can also be set as solid washing powder, etc.
• the automatic dispensing device 100 can also dispense washing powder directly into the washing drum 300, so that after the user manually adds washing powder into the dispensing device 100, the water inlet of the dispensing device 100 first dissolves the washing powder to form a washing powder solution, and the washing powder solution is then directly sprayed onto the load to be processed in the washing drum 300 along with the water inlet flow, thereby achieving the effect of using the concentrated washing powder solution to directly act on the clothes in the washing drum 300 and wash the clothes with concentrated essence.
• the washing powder is directly mixed in the dispensing device 100, the formed washing powder solution is directly sprayed on the clothes in the washing drum 300.
• the washing machine performs subsequent washing programs, it is no longer necessary to add water to the water drum 200, thereby avoiding the dilution of the washing powder solution and greatly reducing the water consumption.
• the water outlet of the water supply circuit 1 of the automatic dispensing device 100 can directly constitute the dispensing port of the dispensing circuit 9, or the outlet of the water supply circuit 1 can be connected to the separately arranged dispensing circuit 9, and the dispensing port of the dispensing circuit 9 is connected to the nozzle that sprays toward the washing drum 300 of the washing machine;
• the nozzle can be arranged on the shell, and/or the door body, and/or the water drum 200, and/or the window pad of the washing machine, and the spray outlet of the nozzle is opened toward the inside of the washing drum 300, so that the additive mixture can be directly sprayed onto the load contained in the washing drum 300 of the washing machine through the nozzle to the maximum extent, so as to achieve the effect of essence washing of the clothes without immersion.
• an automatic dispensing device 100 with a washing powder dispensing function described in an embodiment of the present invention comprises: a dispensing box 5 having a washing powder chamber 51 for dispensing washing powder therein; a water tank 2, using the water flow entering the water tank 2 to flush the washing powder contained in the washing powder chamber 51 into the water tank 2, where the washing powder is dissolved in the water tank to form a washing powder solution; a water supply waterway 1, on which a negative pressure suction structure 4 is installed, and negative pressure is formed by the water flow passing through the water supply waterway 1; a negative pressure port 41 of the negative pressure suction structure 4 is connected to the water tank 2, and the washing powder solution in the water tank 2 is sucked into the water supply waterway 1 by the negative pressure, and is dispensed together with the water flow passing through the water supply waterway 1.
• the washing powder dissolved liquid mixture to be put in is extracted by utilizing the water flow passing through the separately provided water supply waterway 1, so as to realize the effect of automatically extracting and putting in the washing powder dissolved liquid; at the same time, the extracted washing powder dissolved liquid is directly mixed into the water supply waterway 1, so as to realize the effect of directly mixing the washing powder dissolved liquid in the water supply waterway 1 and then putting it into the washing drum 300 of the washing machine, thereby realizing the significant technical progress of directly using the washing powder dissolved liquid to wash the clothes in the drum with high concentration essence.
• the negative pressure suction structure 4 is a venturi tube 40 installed on the water supply waterway 1.
• the venturi tube 40 has a narrowed diameter necking section 401, a straight pipe section 402 with a smaller diameter and an expanded diameter 403 arranged in sequence.
• the straight pipe section 402 at the connection between the narrowed section 401 and the expanded section 403 is provided with a negative pressure port 41 connecting the inside and outside of the pipeline.
• the negative pressure port 41 is connected to the detergent solution outlet 211 arranged at the bottom of the sink 2 via the liquid extraction pipeline 13.
• a water inlet structure is provided on the top of the water tank 2, the water inlet structure is connected to the water supply waterway 11 of the water tank, and the water inlet structure is opened toward the top of the detergent chamber 51 of the delivery box 5 to open a water outlet, and the detergent in the detergent chamber 51 is flushed into the water tank 2 by the flowing water.
• the top of the water tank 2 is covered with an upper cover 3, which is composed of a first part 31 and a second part 32 that are interlocked, and the interface between the two parts has an integrated waterway formed by a concave-convex structure; at least part of the integrated waterway constitutes the water inlet structure.
• the first water outlet 21 and the second water outlet 22 are arranged in sequence front to back, and the first water outlet 21 is connected to the outlet 511 of the washing powder chamber 51 on the dispensing box for the washing powder solution to flow in; preferably, the bottom of the first water outlet 21 is an inclined surface that converges toward the washing powder solution outlet 211, which is used to guide the liquid in the first water outlet 21 to flow toward the washing powder solution outlet 211.
• the delivery box 5 can be installed in the sink so as to be pulled outward.
• the delivery box 5 has at least one delivery cavity 52 for containing detergent.
• the detergent in the delivery box 5 is delivered to the second water outlet 22 of the sink 2 by utilizing the integrated water channel provided on the top cover 3 of the sink 2, or the detergent is directly delivered from the delivery water channel 9 of the automatic delivery device 100; preferably, the detergent delivery cavity 52 and the washing powder cavity 51 are integrated on the same component delivery box 5; preferably, the bottom of the second water outlet 22 is an inclined surface converging toward the main wash outlet 221, so as to guide the liquid in the second water outlet 22 to flow toward the main wash outlet 221.
• the outlet of the water supply waterway 1 and the outlet of the delivery waterway 9 constitute the washing powder delivery port and the detergent delivery port of the automatic delivery device respectively; or, the outlet of the water supply waterway 1 is connected to the delivery waterway 9, and the outlet of the delivery waterway 9 constitutes a common delivery port for the washing powder solution and the detergent solution of the automatic delivery device.
• the pre-dosed washing powder can be mixed to form a washing powder solution, and the washing powder solution can be extracted and dispensed separately, thereby achieving the effect of automatically dispensing the washing powder dispensed by the user; at the same time, since the two water supply circuits can be executed synchronously, the mixing and extraction of the washing powder can be executed synchronously, which greatly shortens the time spent by the dispensing device on dispensing the washing powder.
• the automatic dispensing device 100 has an inlet valve 6, which is a one-inlet and two-outlet valve, which controls the connection between the inlet and the two outlets, or the connection or disconnection of the two outlets; the two outlets are respectively connected to the inlets of the sink water supply waterway 11 and the dispensing water supply waterway 12; or, the same outlet of the inlet valve 6 is connected to the inlets of the sink water supply waterway 11 and the dispensing water supply waterway 12 through a tee, so that the sink water supply waterway 11 and the dispensing water supply waterway 12 can only be connected and disconnected synchronously, but the technical effect of automatically dispensing the additives after mixing can still be achieved, and the technical purpose of enabling the washing machine to achieve essence washing can still be achieved.
• an inlet valve 6 which is a one-inlet and two-outlet valve, which controls the connection between the inlet and the two outlets, or the connection or disconnection of the two outlets; the two outlets are respectively connected to the inlets of the sink water supply waterway
• a dispenser box 5 that can be pulled outward is provided in the sink 2, and a detergent powder chamber 51 is provided on the dispenser box 5.
• the detergent powder chamber 51 has an outlet at the bottom and an opening at the top to form an inlet.
• At least the outlet pipe section of the sink water supply waterway 11 is integrated on the upper cover 3 at the top of the sink 2, and the outlet of the sink water supply waterway 11 is opened toward the top opening of the detergent powder chamber 51, so as to directly flow the outlet water into the detergent powder chamber 51.
• the top of the water tank is buckled with an upper cover 3, which is composed of a first part 31 and a second part 32 that are buckled up and down.
• the first part 31 and the second part 32 are spliced relative to each other to form an integrated waterway at the interface; at least part of the integrated waterway constitutes a water inlet structure 8, and the water inlet structure is connected to the outlet of the water tank water supply waterway 11.
• the water tank water supply waterway 11 is provided with a water outlet opened toward the lower side of the upper cover, and the water outlet is located above the upper opening of the washing powder chamber, so that the water flow flowing into the water tank water supply waterway 11 can directly flow into the washing powder chamber 51, flushing the pre-dosed washing powder into the water outlet tank at the lower part of the water tank 2 to form a washing powder solution.
• the first part 31 and the second part 32 of the upper cover 3 are connected by a welding process to form a closed and pressure-bearing waterway structure inside.
• the water supply circuit 12 is arranged below the water tank 2, and a negative pressure suction structure 4 is provided in the middle of the water supply circuit 12.
• the negative pressure port 41 of the negative pressure suction structure 4 is connected to the water tank 2 via the liquid extraction pipeline 13, which is used to extract the detergent dissolved liquid into the water supply circuit 12.
• a boosting structure 7 for pressurizing the water flowing through is also provided on the water supply waterway 12, so as to form a pressurized water flow in the water supply waterway 1; the boosting structure 7 is arranged upstream of the negative pressure suction structure 4, so as to utilize the boosted water flow to perform high-speed impact mixing on the extracted washing powder solution and improve the mixing uniformity of the washing powder solution and the water supply water flow; preferably, the boosting structure 7 is a boosting nozzle 70 composed of a tapered tube with a radial dimension gradually narrowing along the water flow direction.
• a pumping chamber 45 is provided at the upstream end of the venturi tube 40, and a negative pressure suction zone 44 connected to the venturi tube 40 is formed in the pumping chamber 45; a negative pressure port 41 connecting the inside and the outside is provided on the side wall of the pumping chamber 45, so that the water flowing through the venturi tube can directly guide the negative pressure to the pumping chamber 45, greatly improving the diversity of the position of the negative pressure port 41.
• this embodiment introduces a negative pressure suction structure 4, which includes: an inlet pipe section 42, having an inlet pipe section 42 for fluid to flow in; a liquid outlet pipe section 43, having an outlet channel for fluid to flow out; the outlet portion of the inlet pipe section 42 is inserted into the inlet portion of the liquid outlet pipe section 43, and the inlet pipe section 42 and the liquid outlet pipe section 43 are connected to form a channel for water to flow through; the gap between the outer wall of the outlet portion of the inlet pipe section 42 and the inner wall of the inlet portion of the liquid outlet pipe section 43 constitutes a negative pressure suction area 44 where negative pressure is generated by the water flowing through the channel, and the outer wall of the liquid outlet pipe section 43 is provided with a negative pressure port 41 connecting the negative pressure suction area 44 with the outside world.
• the negative pressure suction structure is integrated with the boosting structure, so that the water flow flowing into the negative pressure suction structure is first boosted and accelerated, which greatly increases the water pressure of the water flow flowing through the negative pressure suction structure, thereby increasing the negative pressure at the negative pressure suction area, so that the rate of extracting the additive mixed liquid is significantly improved.
• the injection process of the boosting structure composed of the constricted tube can be used to generate negative pressure in the negative pressure suction area, further improving the negative pressure suction effect.
• the outlet portion of the liquid inlet pipe section 42 is a tapered pipe 421 whose diameter gradually narrows along the direction of water flow;
• the inlet portion of the liquid outlet pipe section 43 is a straight pipe 431 coaxially sleeved on the outer wall of the tapered pipe, and the inner diameter of the straight pipe 431 is larger than the maximum outer diameter of the tapered pipe 421;
• the tapered pipe 421 of the liquid inlet pipe section 42 extends into the straight pipe 431 of the liquid outlet pipe section 43, and the gap between the tapered pipe 421 and the straight pipe 431 constitutes a negative pressure suction zone 44, and a negative pressure port 41 is opened on the pipe wall in the middle of the straight pipe 431.
• the outlet end of the constricted tube 421 extends into the straight tube 431 or into the downstream of the straight tube 431, so that the pressurized water flow ejected from the constricted tube 421 directly enters the straight tube 431 with a larger radial dimension, and forms a negative pressure at the negative pressure suction area 44 between the straight tube 431 and the constricted tube 421 by the jetting effect, so that the detergent solution is sucked into the liquid inlet pipe section 42 from the negative pressure port 41.
• the two are stirred and mixed in the straight tube, which greatly improves the mixing uniformity of the detergent solution and the inlet water flow.
• the downstream portion of the straight pipe 431 is a venturi tube 40, which is coaxially arranged at the downstream of the constricted pipe 421 of the liquid inlet pipe section 42.
• the minimum outer diameter of the constricted pipe 421 is smaller than the maximum inner diameter of the venturi tube 40; preferably, the minimum outer diameter of the constricted pipe 421 is smaller than the minimum inner diameter of the venturi tube 40.
• the venturi tube 40 of the liquid outlet pipe section 43 includes a constricted section 401, a straight pipe section 402, and an expanded section 403 arranged in sequence along the water flow direction, the large-diameter end of the constricted section 401 is the inlet and is connected to the outlet end of the straight pipe 431, and the large-diameter end of the expanded section 403 is the outlet and is connected to the downstream waterway.
• the minimum inner diameter of the constricted section 401 is greater than the minimum inner diameter of the constricted tube 421 at the outlet of the liquid inlet pipe section 42, and is smaller than the maximum inner diameter of the constricted tube 421 at the outlet of the liquid inlet pipe section 42.
• the annular assembly portion 422 is arranged at the large end of the tapered tube 421 of the liquid inlet pipe section 42, and the axial length of the tapered tube 421 is greater than or equal to the axial length of the straight tube 431 and less than the sum of the axial lengths of the straight tube 431 and the tapered section 401 of the Venturi tube 40.
• the inner diameter of the straight tube 431 is larger than the maximum inner diameter of the necking section 401 , and the downstream end of the straight tube 431 is connected to the large end of the necking section 401 via a transition corner.
• the aperture of the negative pressure port 41 is smaller than the maximum inner diameter of the necked section 401 and larger than the minimum inner diameter of the necked tube 421 .
• this embodiment introduces a water tank structure of an automatic dispensing device, which includes a water tank 2 that is surrounded by a groove shape; the water tank 2 is divided into at least two independent parts, each part is used for different additive mixtures to flow in and mix; two of the parts of the water tank are a first water outlet 21 and a second water outlet 22, and the bottom of the two water outlets is respectively provided with at least one outlet for the mixed washing powder solution or detergent water to flow out, so as to achieve the effect of dispensing washing powder solution and detergent water into the washing machine.
• the dividing rib 23 includes a first dividing portion 231 extending along the front-to-back direction of the sink 2 and a second dividing portion 232 extending along the left-to-right direction of the sink 2.
• the rear end of the first dividing portion 231 is connected to the rear wall of the sink 2
• the front end is connected to the right end of the second dividing portion 232
• the left end of the second dividing portion 232 is connected to the left side wall of the sink 2, so that the dividing rib 23 divides the left half of the middle and rear part of the sink 2 into the first water outlet 21.
• a detergent dissolving liquid outlet 211 is provided on the bottom wall of the first water outlet trough 21, and the bottom wall of the first water outlet trough 21 is downwardly inclined and converges to the detergent dissolving liquid outlet 211; preferably, the bottom of the first water outlet trough 21 is an inclined surface gradually inclined downward from back to front, and the detergent dissolving liquid outlet 211 is located on the front side of the first water outlet trough 21; further preferably, a downwardly concave groove 212 is provided on the front side of the first water outlet trough 21 near the second partition 232, and the side walls of the groove 212 are conical surfaces inclined downward from the surroundings to the center, and the detergent dissolving liquid outlet 211 is located at the lowest point of the center of the groove 212.
• the front side wall of the water tank is composed of the front side baffle plate 24 of the water tank. Since a delivery box 5 that can be pulled out to the front side is installed in the water tank, the height of the front side baffle plate 24 of the water tank is lower than that of other side walls, so that it is located below the delivery box 5 for the delivery box to be pulled out for use; there is a certain gap between the second partition 232 and the front side baffle plate 24 of the water tank, and the bottom wall of the water tank 2 at the gap is provided with
• the main wash outlet 221 is located in the second water outlet trough 22; preferably, the top height of the front baffle 24 is higher than the top height of the dividing rib 23; further preferably, a notch 233 is provided at the upper portion of the second dividing portion 232, so that the top height of at least part of the second dividing portion 232 is lower than the top of the first dividing portion 231, so that the water overflowing from the first water outlet trough 21 from the first dividing portion 2
• the bottom of the second water outlet trough 22 is a slope that converges downward from all sides to the main wash outlet; preferably, the bottom of the second water outlet trough 22 is a slope that gradually slopes downward from back to front and from right to left, so that the main wash outlet 221 located on the left front side is located at the lowest point of the second water outlet trough 22, which is used to guide the water in the second water outlet trough 22 to flow out to the main wash outlet 221.
• a dispensing box 5 that can be pulled outward is installed on the upper part of the water tank 2.
• a washing powder chamber 51 is provided on the dispensing box 5.
• An outlet 511 is provided on the rear side of the washing powder chamber 51. The outlet 511 is located above the first water outlet tank 21. The washing powder solution flowing out of the washing powder chamber 51 from the outlet 511 enters the first water outlet tank 21 and flows out from the washing powder solution outlet 211.
• a water inlet joint is provided on the rear side wall of the water tank 2, and the water inlet joint is connected to the water inlet structure 8 formed by the integrated water channel in the upper cover 3 provided on the top of the water tank 2, and is used to supply water to the water inlet structure 8 on the upper cover 3.
• the water outlet of the water inlet structure 8 is located above the open opening of the washing powder chamber 51 of the delivery box 5, so that the water flowing into the water inlet structure 8 flows into the washing powder chamber 51 from the water outlet, and the washing powder in the washing powder chamber 51 is mixed with water to form a washing powder solution, which then flows into the first water outlet 21 from the rear outlet 511 and is then discharged to the outside through the washing powder solution outlet 211 for delivery.
• this embodiment introduces an automatic dispensing device, which includes a water supply waterway 1, through which the water supply flow flows; a dispensing unit, which dispenses an additive mixture into the water supply waterway 1; the water supply waterway 1 is provided with a boosting structure 7, which is used to increase the water pressure of the water flowing through, and the boosted water flow performs high-pressure impact mixing on the additive mixture injected into the water supply water flow.
• a high-pressure water flow is formed in the water supply waterway by utilizing the boosting structure, and a mixed liquid of additives such as a detergent solution and a detergent solution can be directly drawn into the water supply waterway by high-pressure impact, so that the high-pressure water flow can accelerate the mixing uniformity, thereby improving the effect of adding the additives; at the same time, the high-pressure water flow can also be utilized to increase the flow velocity of the water flowing into the negative pressure suction structure arranged in the water supply waterway, thereby increasing the negative pressure generated thereby, and further increasing the rate of extraction of the mixed liquid of additives such as the detergent solution and the detergent solution in the water tank.
• water is introduced into the water supply channel outside the water tank, and negative pressure is formed by the flowing water.
• the negative pressure draws the detergent solution in the water tank into the water supply channel and is released to the outside together with the water supply flow.
• the water flowing through the water supply channel is pressurized by the booster structure to form a high-pressure water flow, and the high-pressure water flow is mixed with the detergent solution pumped in by negative pressure to improve the mixing uniformity.
• step S100 of filling water into the sink and step S200 of filling water into the water supply channel outside the sink can be executed simultaneously, or can be executed alternately. For example, first execute step S100 to fill water into the sink 2 through the sink water supply channel 11, and then execute step S200 to fill water into the water supply channel 12 outside the sink 2 to extract and add a mixed liquid of additives such as detergent solution.
• the water supply channel 11 of the water tank is opened, and the water supply channel 12 for delivery is disconnected; water is supplied to the water tank 2, and the washing powder and/or washing liquid pre-delivered into the delivery chamber 52 of the delivery box 5 flows into the water outlet tank at the bottom of the water tank 2 along with the incoming water;
• washing powder and/or washing liquid in the water outlet tank are fully mixed with the incoming water to form a washing powder solution
• step S3 when executing the above step S3, after the water supply to the water tank stops for a set value, and/or after the uniformity of the additive mixed liquid in the water outlet tank is detected to reach a set value, it is determined that the additive mixed liquid is mixed and the subsequent step S4 is started.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Detail Structures Of Washing Machines And Dryers (AREA)
• Devices For Medical Bathing And Washing (AREA)

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• 2023
  • 2023-11-15 JP JP2025538554A patent/JP2026501594A/ja active Pending
  • 2023-11-15 EP EP23909739.7A patent/EP4644600A4/en active Pending
  • 2023-11-15 WO PCT/CN2023/131705 patent/WO2024139807A1/zh not_active Ceased
  • 2023-11-15 AU AU2023417406A patent/AU2023417406A1/en active Pending

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