Self-cleaning dispenser

Abstract

The invention discloses a self-cleaning dispenser which comprises a liquid storage box, a dispenser main body and an outer sealing structure, the liquid storage box is detachably connected with the dispenser main body, the dispenser main body can put a detergent into a washing cavity from the liquid storage box, and the outer sealing structure is arranged in the liquid storage box and only allows the detergent to be discharged out of the liquid storage box. In addition, the dispenser main body can also clean the pipeline connected with the liquid storage box, so that the blockage phenomenon caused by dryness and hardening can be effectively prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of dispensers, especially the technical field of self-cleaning dispensers. Background Art

[0002] For traditional electric washing devices such as washing machines and dishwashers, the method of adding detergent is that the user first stores the detergent in a designated container, and then the electric washing device flushes the detergent into the washing chamber according to the washing process by means of water flushing or other mechanical methods; this design results in the amount of detergent dispensed depending on the arbitrariness of the user's operation, and the user needs to add detergent to the container every time during the washing process (the operation is rather troublesome).

[0003] Currently, more and more electric washing devices choose to apply dispensers that can automatically dispense detergent, such as the dispenser box, detergent dispensing device and washing machine with the publication number CN109898290B, the detergent dispenser and washing device with the publication number CN214193820U, and an automatic detergent dispensing device for a washing machine with the publication number CN104047146A; such dispensers allow users to pour a large amount of detergent into them at one time before working, and can automatically adjust the amount of detergent dispensed according to the type and quantity of the laundry during working; this can not only reduce the trouble of the user's operation, but also improve the accuracy of detergent dispensing to ensure sufficient cleaning or reduce the waste of detergent.

[0004] As Figure 1 shown, the dispenser that can be automatically dispensed usually includes a liquid storage box a, a dispenser main body b and a sealing structure c; among them, the liquid storage box a is used for the user to pour a certain amount of detergent into it at one time, the dispenser main body b sucks the detergent from the liquid storage box a through a built-in dispensing module d and flushes it into the interior of the washing chamber by means of water flow, and the sealing structure c is usually installed in the dispenser main body b and is located at the liquid inlet pipeline of the detergent to prevent the liquid from flowing back into the liquid storage box a; however, when the detergent in the liquid storage box a is used up and the user does not use the electric washing device for a long time, the liquid storage box a and the pipeline between the liquid storage box a and the sealing structure c (i.e., Figure 1 the m-section part in Figure 2 will dry up. Although the liquid storage box a can be taken out by the user for cleaning, the electric washing device will still not be able to be used normally again due to the drying up of the remaining part (i.e., Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art and propose a self-cleaning dispenser, which can effectively prevent the occurrence of blockage caused by drying up.

[0006] To achieve the above object, the present invention provides a self-cleaning dispenser, which includes a liquid storage box, a dispenser main body, and an outer sealing structure. The liquid storage box is detachably connected to the dispenser main body. The dispenser main body can put the detergent from the liquid storage box into the washing cavity. The outer sealing structure is built in the liquid storage box and only allows the detergent to drain out of the liquid storage box. The dispenser main body can also flush the pipeline connecting itself to the liquid storage box clean.

[0007] Preferably, a first pipeline and a second pipeline are provided between the liquid storage box and the dispenser main body. Both the first pipeline and the second pipeline are connected to the outer sealing structure. The first pipeline is used as the inlet pipe for pipeline flushing, and the second pipeline is used as the outlet pipe for pipeline flushing. The detergent is dispensed through the first pipeline or the second pipeline.

[0008] Preferably, the first pipeline and the second pipeline are sealed by the same inner sealing structure.

[0009] Preferably, a dispensing pipeline, a flushing pipeline, a dispensing control mechanism, and a flushing control mechanism are respectively provided in the dispenser main body. The dispensing pipeline is respectively connected to the liquid storage box and the flushing pipeline. The dispensing control mechanism can transfer the detergent from the liquid storage box to the dispensing pipeline. The flushing pipeline is connected to a water source and can provide flushing water flow to the dispensing pipeline through the flushing control mechanism.

[0010] Preferably, the dispensing control mechanism realizes the dispensing of the detergent by means of motor pumping or negative pressure suction.

[0011] Preferably, the dispensing pipeline is a first liquid pipe with two ends respectively connected to the liquid storage box and the washing cavity. The dispensing control mechanism is a first liquid pump installed on the first liquid pipe. The flushing pipeline is a second liquid pipe with one end connected to the water source and the other end connected to the first liquid pipe between the liquid storage box and the first liquid pump. The flushing control mechanism is a first liquid valve installed on the second liquid pipe.

[0012] Preferably, the dispensing pipeline is a third liquid pipe with two ends respectively connected to the liquid storage box and the washing cavity. The dispensing control mechanism is a second liquid pump installed on the third liquid pipe. The flushing pipeline includes a fourth liquid pipe and a fifth liquid pipe. One end of the fourth liquid pipe is connected to a water source, and the other end is connected to the third liquid pipe between the liquid storage box and the second liquid pump. One end of the fifth liquid pipe is connected to the washing cavity, and the other end is connected to the third liquid pipe between the liquid storage box and the second liquid pump. The flushing control mechanism is a second liquid valve installed on the fourth liquid pipe and a first internal sealing structure installed on the fifth liquid pipe. The dispensing control mechanism further includes a first liquid exchange chamber. The first liquid exchange chamber is installed on the third liquid pipe and is located between the connection point of the third liquid pipe and the fourth liquid pipe and the connection point of the third liquid pipe and the fifth liquid pipe. The second liquid pump can transfer the detergent from the liquid storage box to the first liquid exchange chamber. The second liquid valve can provide flushing water flow to the first liquid exchange chamber to prevent the detergent from entering the second liquid pump.

[0013] Preferably, the dispensing pipeline includes a sixth liquid pipe, a seventh liquid pipe and an eighth liquid pipe. The dispensing control mechanism includes a venturi tube and a third liquid valve. One end of the sixth liquid pipe is connected to the liquid storage box, and the other end is connected to the negative pressure end of the venturi tube. One end of the seventh liquid pipe is connected to the washing cavity, and the other end is connected to the large end of the venturi tube. The eighth liquid pipe is equipped with a third liquid valve, and one end is connected to a water source and the other end is connected to the small end of the venturi tube. The flushing pipeline is a ninth liquid pipe with one end connected to a water source and the other end connected to the negative pressure end of the venturi tube. The flushing control mechanism is a fourth liquid valve installed on the ninth liquid pipe. A flow sensor is installed at the negative pressure end of the venturi tube. The flushing pipeline further includes a tenth liquid pipe. One end of the tenth liquid pipe is connected to the washing cavity, and the other end is connected to the sixth liquid pipe. The flushing control mechanism further includes a second internal sealing structure. The second internal sealing structure is installed on the tenth liquid pipe. The dispensing control mechanism further includes a second liquid exchange chamber. The second liquid exchange chamber is installed on the sixth liquid pipe and is located between the connection point of the sixth liquid pipe and the tenth liquid pipe and the connection point of the venturi tube.

[0014] Advantages of the present invention: By transferring the outer sealing structure from the dispenser main body to the liquid storage box, when the user disassembles the liquid storage box from the dispenser main body and rinses it, the outer sealing structure can be cleaned synchronously, effectively avoiding the phenomenon of caking due to the accumulation of detergent on the outer sealing structure, and ensuring that the electric washing equipment can still work normally after being shut down for a period of time; by adding a flushing pipeline and a flushing control mechanism in the dispenser main body, the flushing pipeline can be opened by using the flushing control mechanism, and then the flushing water flow can be injected into the dispensing pipeline by using the flushing pipeline connected to the water source. Thus, on the one hand, the phenomenon of caking of the dispensing pipeline and the dispensing control mechanism arranged thereon after long-term inactivity can be avoided (preventing the existence of detergent residues in the dispenser main body), and on the other hand, the detergent can be fully put into the washing cavity, avoiding detergent waste.

[0015] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. Brief Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of an existing automatic-dispensing dispenser; Figure 2 is Figure 1 a schematic structural diagram when the liquid storage box is removed; Figure 3 is a schematic principle diagram of the self-cleaning type dispenser of the present invention; Figure 4 is a schematic structural diagram of Embodiment 1; Figure 5 is a schematic working diagram of Embodiment 1 during dispensing; Figure 6 is a schematic working diagram of Embodiment 1 during flushing; Figure 7 is a cross-sectional view of the physical object of Embodiment 1 during dispensing; Figure 8 is a cross-sectional view of the physical object of Embodiment 1 during flushing; Figure 9 is a schematic structural diagram of Embodiment 2; Figure 10 is a schematic working diagram of Embodiment 2 during dispensing; Figure 11 is a schematic working diagram of Embodiment 2 during flushing; Figure 12 is a schematic structural diagram of Embodiment 3; Figure 13 is a schematic working diagram of Embodiment 3 during dispensing; Figure 14 is a schematic working diagram of Embodiment 3 during flushing.

[0017] In the figure: 1 - liquid storage box, 2 - dispenser main body, 3 - outer sealing structure, 4 - first liquid pipe, 5 - first liquid pump, 6 - second liquid pipe, 7 - first liquid valve, 8 - third liquid pipe, 9 - second liquid pump, 10 - first liquid exchange chamber, 11 - fourth liquid pipe, 12 - fifth liquid pipe, 13 - second liquid valve, 14 - first inner sealing structure, 15 - sixth liquid pipe, 16 - seventh liquid pipe, 17 - eighth liquid pipe, 18 - Venturi tube, 19 - third liquid valve, 20 - flow sensor, 21 - ninth liquid pipe, 22 - tenth liquid pipe, 23 - fourth liquid valve, 24 - second inner sealing structure, 25 - second liquid exchange chamber, 26 - inner sealing structure, a - liquid storage box, b - dispenser main body, c - sealing structure, d - dispensing module, a' - first pipeline, b' - second pipeline. Detailed implementation mode

[0018] Embodiment 1: Refer to Figure 3 , this embodiment includes a liquid storage box 1, a dispenser main body 2 and an outer sealing structure 3. The liquid storage box 1 is detachably connected to the dispenser main body 2. The dispenser main body 2 can put the detergent from the liquid storage box 1 into the washing cavity. The outer sealing structure 3 is built in the liquid storage box 1 and only allows the detergent to be discharged from the liquid storage box 1. The dispenser main body 2 can also flush the pipeline connecting itself to the liquid storage box 1.

[0019] A first pipeline a' and a second pipeline b' are provided between the liquid storage box 1 and the dispenser main body 2. Both the first pipeline a' and the second pipeline b' are connected to the outer sealing structure 3. The first pipeline a' is used as the inlet pipe for pipeline flushing, and the second pipeline b' is used as the outlet pipe for pipeline flushing. The detergent is put through the first pipeline a' or the second pipeline b'.

[0020] The first pipeline a' and the second pipeline b' are sealed through the same inner sealing structure 26.

[0021] A dispensing pipeline, a flushing pipeline, a dispensing control mechanism and a flushing control mechanism are respectively provided in the dispenser main body 2. The dispensing pipeline is respectively connected to the liquid storage box 1 and the flushing pipeline. The dispensing control mechanism can transfer the detergent from the liquid storage box 1 to the dispensing pipeline. The flushing pipeline is connected to a water source and can provide flushing water flow to the dispensing pipeline through the flushing control mechanism.

[0022] The dispensing control mechanism realizes the dispensing of the detergent by means of motor pumping or negative pressure suction.

[0023] Specifically, as Figure 4As shown, the dispensing pipeline is the first liquid pipe 4 with both ends respectively connected to the liquid storage box 1 and the washing cavity. The dispensing control mechanism is the first liquid pump 5 installed on the first liquid pipe 4. The flushing pipeline is the second liquid pipe 6 with one end connected to the water source and the other end connected to the first liquid pipe 4 between the liquid storage box 1 and the first liquid pump 5. The flushing control mechanism is the first liquid valve 7 installed on the second liquid pipe 6.

[0024] The working process of this embodiment: As Figure 5 and Figure 7 shown, when it is necessary to dispense the detergent, close the first liquid valve 7 and start the first liquid pump 5. At this time, under the action of the electric pumping of the first liquid pump 5, the detergent can be transferred from the inside of the liquid storage box 1 along the first liquid pipe 4 into the washing cavity.

[0025] As Figure 6 and Figure 8 shown, when it is necessary to flush the internal structure of the dispenser body 2, open the first liquid valve 7 and stop the first liquid pump 5. At this time, the water flow can flow along the second liquid pipe 6 and the first liquid pipe 4 in sequence to wash away the residual detergent. In addition, the user can directly remove the liquid storage box 1 from the dispenser body 2 and clean it.

[0026] Embodiment Two: Refer to Figures 9 to 11 , the dispensing pipeline is the third liquid pipe 8 with both ends respectively connected to the liquid storage box 1 and the washing cavity. The dispensing control mechanism is the second liquid pump 9 installed on the third liquid pipe 8. The flushing pipeline includes the fourth liquid pipe 11 and the fifth liquid pipe 12. One end of the fourth liquid pipe 11 is connected to the water source and the other end is connected to the third liquid pipe 8 between the liquid storage box 1 and the second liquid pump 9. One end of the fifth liquid pipe 12 is connected to the washing cavity and the other end is connected to the third liquid pipe 8 between the liquid storage box 1 and the second liquid pump 9. The flushing control mechanism is the second liquid valve 13 installed on the fourth liquid pipe 11 and the first inner sealing structure 14 installed on the fifth liquid pipe 12. The dispensing control mechanism further includes the first liquid exchange cavity 10. The first liquid exchange cavity 10 is installed on the third liquid pipe 8 and is located between the connection point of the third liquid pipe 8 and the fourth liquid pipe 11 and the connection point of the third liquid pipe 8 and the fifth liquid pipe 12. The second liquid pump 9 can transfer the detergent from the liquid storage box 1 to the first liquid exchange cavity 10. The second liquid valve 13 can provide flushing water flow to the first liquid exchange cavity 10 to prevent the detergent from entering the second liquid pump 9.

[0027] Others are the same as Embodiment One.

[0028] The working process of this embodiment: As Figure 10As shown, when it is necessary to dispense the detergent, the second liquid valve 13 is closed and the second liquid pump 9 is started. At this time, under the electric pumping action of the second liquid pump 9, the detergent flowing out from the liquid storage box 1 can flow along the third liquid pipe 8 through the first liquid exchange cavity 10 and the second liquid pump 9 in sequence and finally enter the interior of the washing cavity. Among them, when the detergent passes through the first liquid exchange cavity 10, it can also be mixed with the accumulated water therein.

[0029] As Figure 11 shown, when it is necessary to flush the internal structure of the dispenser body 2, the second liquid valve 13 is opened and the second liquid pump 9 stops working. At this time, the water flowing into the fourth liquid pipe 11 from the water source is divided into two streams, and one of the water streams flows into the washing cavity through the fifth liquid pipe 12 to flush the first liquid exchange cavity 10 and the first inner sealing structure 14, while the other water stream flows into the washing cavity through the third liquid pipe 8 to flush the second liquid pump 9. In addition, the user can also directly remove the liquid storage box 1 from the dispenser body 2 and clean it.

[0030] Embodiment Three: Refer to Figures 12 to 14 , the dispensing pipeline includes a sixth liquid pipe 15, a seventh liquid pipe 16 and an eighth liquid pipe 17, the dispensing control mechanism includes a Venturi tube 18 and a third liquid valve 19, one end of the sixth liquid pipe 15 is connected to the liquid storage box 1 and the other end is connected to the negative pressure end of the Venturi tube 18, one end of the seventh liquid pipe 16 is connected to the washing cavity and the other end is connected to the large end of the Venturi tube 18, the eighth liquid pipe 17 is provided with a third liquid valve 19 and one end thereof is connected to the water source and the other end is connected to the small end of the Venturi tube 18, the flushing pipeline is a ninth liquid pipe 21 with one end connected to the water source and the other end connected to the negative pressure end of the Venturi tube 18, the flushing control mechanism is a fourth liquid valve 23 installed on the ninth liquid pipe 21, a flow sensor 20 is installed at the negative pressure end of the Venturi tube 18, the flushing pipeline further includes a tenth liquid pipe 22, one end of the tenth liquid pipe 22 is connected to the washing cavity and the other end is connected to the sixth liquid pipe 15, the flushing control mechanism further includes a second inner sealing structure 24, the second inner sealing structure 24 is installed on the tenth liquid pipe 22, the dispensing control mechanism further includes a second liquid exchange cavity 25, the second liquid exchange cavity 25 is installed on the sixth liquid pipe 15 and is located between the connection point of the sixth liquid pipe 15 and the tenth liquid pipe 22 and the access point of the Venturi tube 18.

[0031] Other aspects are the same as those in Embodiment One.

[0032] The working process of this embodiment: As Figure 13As shown, when it is necessary to dispense the detergent, open the third liquid valve 19 and close the fourth liquid valve 23. At this time, the water flow flowing into the eighth liquid pipe 17 from the water source first enters the Venturi tube 18 along the small-mouth end, then flows out of the Venturi tube 18 from the large-mouth end, and finally enters the interior of the washing chamber along the seventh liquid pipe 16. During this process, the detergent will enter the Venturi tube 18 from the negative-pressure end along the sixth liquid pipe 15 under the negative-pressure action of the Venturi tube 18 and be mixed with the water flow to be discharged into the washing chamber together. In addition, when the detergent passes through the second liquid exchange chamber 25, it can also be mixed with the accumulated water therein; the flow sensor 20 can monitor the flow rate of the liquid entering the Venturi tube 18 along the negative-pressure end, thereby improving the accuracy of the detergent dispensing amount.

[0033] As Figure 14 As shown, when it is necessary to flush the internal structure of the dispenser main body 2, close the third liquid valve 19 and open the fourth liquid valve 23. At this time, the water flow flowing into the ninth liquid pipe 21 from the water source is divided into two streams, and one of the water streams flows into the washing chamber through the seventh liquid pipe 16 to flush the flow sensor 20 and the Venturi tube 18, while the other water stream flows into the washing chamber through the sixth liquid pipe 15 and the tenth liquid pipe 22 to flush the second liquid exchange chamber 25 and the second inner sealing structure 24. In addition, the user can directly remove the liquid storage box 1 from the dispenser main body 2 and clean it.

[0034] The above embodiments are illustrative of the present invention and not restrictive thereof. Any solution obtained by simply transforming the present invention falls within the protection scope of the present invention.

Claims

1. Self-cleaning dispenser, characterized in that: It includes a liquid storage box (1), a dispenser main body (2) and an outer sealing structure (3). The liquid storage box (1) is detachably connected to the dispenser main body (2). The dispenser main body (2) can put the detergent from the liquid storage box (1) into the washing cavity. The outer sealing structure (3) is built in the liquid storage box (1) and only allows the detergent to drain out of the liquid storage box (1). The dispenser main body (2) can also flush the pipeline connecting itself to the liquid storage box (1).

2. The self-cleaning dispenser according to claim 1, characterized in that: A first pipeline (a') and a second pipeline (b') are provided between the liquid storage box (1) and the dispenser main body (2). Both the first pipeline (a') and the second pipeline (b') are connected to the outer sealing structure (3). The first pipeline (a') serves as the inlet pipe for pipeline flushing, and the second pipeline (b') serves as the outlet pipe for pipeline flushing. The detergent is dispensed through the first pipeline (a') or the second pipeline (b').

3. The self-cleaning dispenser according to claim 2, wherein: The first pipeline (a') and the second pipeline (b') are sealed through the same inner sealing structure (26).

4. The self-cleaning dispenser according to claim 1, characterized in that: A dispensing pipeline, a flushing pipeline, a dispensing control mechanism and a flushing control mechanism are respectively provided in the dispenser main body (2). The dispensing pipeline is respectively connected to the liquid storage box (1) and the flushing pipeline. The dispensing control mechanism can transfer the detergent from the liquid storage box (1) to the dispensing pipeline. The flushing pipeline is connected to a water source and can provide flushing water flow to the dispensing pipeline through the flushing control mechanism.

5. The self-cleaning dispenser according to claim 4, wherein: The dispensing control mechanism realizes the dispensing of the detergent by means of motor pumping or negative pressure suction.

6. The self-cleaning dispenser according to claim 5, wherein: The dispensing pipeline is a first liquid pipe (4) with two ends respectively connected to the liquid storage box (1) and the washing cavity. The dispensing control mechanism is a first liquid pump (5) installed on the first liquid pipe (4). The flushing pipeline is a second liquid pipe (6) with one end connected to the water source and the other end connected to the first liquid pipe (4) between the liquid storage box (1) and the first liquid pump (5). The flushing control mechanism is a first liquid valve (7) installed on the second liquid pipe (6).

7. The self-cleaning dispenser according to claim 5, wherein: The liquid delivery pipeline is a third liquid pipe (8) with two ends respectively connected to the liquid storage box (1) and the washing cavity. The liquid delivery control mechanism is a second liquid pump (9) installed on the third liquid pipe (8). The flushing pipeline includes a fourth liquid pipe (11) and a fifth liquid pipe (12). One end of the fourth liquid pipe (11) is connected to a water source, and the other end is connected to the third liquid pipe (8) between the liquid storage box (1) and the second liquid pump (9). One end of the fifth liquid pipe (12) is connected to the washing cavity, and the other end is connected to the third liquid pipe (8) between the liquid storage box (1) and the second liquid pump (9). The flushing control mechanism is a second liquid valve (13) installed on the fourth liquid pipe (11) and a first internal sealing structure (14) installed on the fifth liquid pipe (12). The liquid delivery control mechanism further includes a first liquid exchange chamber (10). The first liquid exchange chamber (10) is installed on the third liquid pipe (8) and is located between the connection point of the third liquid pipe (8) and the fourth liquid pipe (11) and the connection point of the third liquid pipe (8) and the fifth liquid pipe (12). The second liquid pump (9) can transfer the detergent from the liquid storage box (1) to the first liquid exchange chamber (10). The second liquid valve (13) can provide flushing water flow to the first liquid exchange chamber (10) to prevent the detergent from entering the second liquid pump (9).

8. The self-cleaning dispenser according to claim 5, wherein: The liquid delivery pipeline includes a sixth liquid pipe (15), a seventh liquid pipe (16), and an eighth liquid pipe (17). The liquid delivery control mechanism includes a venturi tube (18) and a third liquid valve (19). One end of the sixth liquid pipe (15) is connected to the liquid storage box (1), and the other end is connected to the negative pressure end of the venturi tube (18). One end of the seventh liquid pipe (16) is connected to the washing cavity, and the other end is connected to the large end of the venturi tube (18). The eighth liquid pipe (17) is equipped with a third liquid valve (19), one end of which is connected to a water source, and the other end is connected to the small end of the venturi tube (18). The flushing pipeline is a ninth liquid pipe (21) with one end connected to a water source and the other end connected to the negative pressure end of the venturi tube (18). The flushing control mechanism is a fourth liquid valve (23) installed on the ninth liquid pipe (21). A flow sensor (20) is installed at the negative pressure end of the venturi tube (18). The flushing pipeline further includes a tenth liquid pipe (22). One end of the tenth liquid pipe (22) is connected to the washing cavity, and the other end is connected to the sixth liquid pipe (15). The flushing control mechanism further includes a second internal sealing structure (24). The second internal sealing structure (24) is installed on the tenth liquid pipe (22). The liquid delivery control mechanism further includes a second liquid exchange chamber (25). The second liquid exchange chamber (25) is installed on the sixth liquid pipe (15) and is located between the connection point of the sixth liquid pipe (15) and the tenth liquid pipe (22) and the connection point of the venturi tube (18).

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