Feeding device and dish washing machine

Abstract

The utility model relates to a putting device and a dish-washing machine, the putting device comprises a liquid storage device, the liquid storage device is provided with a liquid storage cavity, the liquid storage device is provided with a first liquid inlet and a liquid outlet, and the first liquid inlet and the liquid outlet are respectively communicated with the liquid storage cavity; the filter cup and the first liquid inlet are installed in a matched mode; the driving assembly is communicated with the liquid outlet, and the driving assembly is used for driving the liquid in the liquid storage cavity to be output to a washing cavity of the dish washing machine. According to the throwing device, the filter cup is arranged at the first liquid inlet of the liquid storage device, when washing liquid enters the liquid storage device, the washing liquid is filtered through the filter cup firstly and then falls into the liquid storage cavity, and therefore the filter cup can filter foreign matter in the washing liquid and foreign matter accidentally falling into the first liquid inlet of the liquid storage device; foreign matters are prevented from entering the liquid storage cavity to cause pollution or entering the driving assembly to cause throwing failure and cause structural damage to shorten the service life of the driving assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a dispensing device and a dishwasher. Background Art

[0002] With the development of science and technology, users have an increasing demand for smart home appliances. More and more dishwashers with automatic dispensing devices are entering the market and are being accepted by the public. The automatic dispensing device is mainly composed of a liquid reservoir and a pump assembly. The pump assembly generates a driving force to transport the washing liquid in the reservoir to the inner cavity of the dishwasher. However, there is a risk of impurities entering the liquid reservoir during the process of replenishing the washing liquid, which will not only pollute the washing liquid, but in severe cases, the accumulation of large particles of impurities will block the pump assembly and cause dispensing failure. Utility Model Content

[0003] Based on this, it is necessary to provide a dispensing device and a dishwasher to address the problem that some automatic dispensing devices in the prior art have the risk of impurities entering the liquid storage chamber, which not only pollutes the washing liquid but also blocks the pump body assembly in serious cases, causing dispensing failure.

[0004] A dispensing device comprises: a liquid reservoir, the liquid reservoir being provided with a liquid storage cavity, the liquid reservoir being provided with a first liquid inlet and a liquid outlet, the first liquid inlet and the liquid outlet being respectively connected to the liquid storage cavity; a filter cup, the filter cup being adapted to be installed with the first liquid inlet; and a drive assembly, the drive assembly being connected with the liquid outlet, the drive assembly being used to drive the liquid in the liquid storage cavity to be discharged to the washing cavity of the dishwasher.

[0005] The present application provides a dispensing device, which provides a filter cup at the first liquid inlet of a liquid reservoir. When the washing liquid enters the liquid reservoir, it will first be filtered by the filter cup and then fall into the liquid storage cavity. Therefore, the filter cup can filter the washing liquid and foreign matter that accidentally falls into the first liquid inlet of the liquid reservoir, so as to prevent the foreign matter from entering the liquid storage cavity and causing contamination, or entering the drive component to cause dispensing failure, and cause structural damage to shorten the life of the drive component.

[0006] In one embodiment, the filter cup is provided with a connection part and a cup body, the connection part is provided on the cup body, the cup body is connected to the liquid storage device through the connection part, the cup body is provided with a filter cavity, the top of the cup body is provided with a second liquid inlet, the second liquid inlet is communicated with the first liquid inlet and the filter cavity respectively, and the side wall of the filter cavity is provided with a filter hole connected with the liquid storage cavity. By adopting the above structure, when the washing liquid enters the liquid storage device, it will first fall into the filter cavity through the second liquid inlet, and the side wall of the filter cavity is provided with a filter hole. When the washing water flows to the liquid storage cavity through the filter hole, large particles of debris can be blocked by the filter hole to form a filtering effect.

[0007] In one embodiment, the connection part is arranged on the peripheral wall of the cup body, and the connection part is provided with a positioning groove, and the positioning groove is arranged along the circumferential direction of the first liquid inlet, and the inner peripheral wall of the first liquid inlet is formed with a positioning block, and the positioning block can be adapted and installed with the positioning groove. By forming matching positioning grooves and positioning blocks on the connection part and the inner peripheral wall of the first liquid inlet respectively, when the filter cup is inserted into the first liquid inlet, the user can rotate the filter cup so that the positioning block is aligned with the positioning groove to form a positioning support function, so that the filter cup can be stably arranged in the first liquid inlet.

[0008] In one of the embodiments, a stopper is formed on the inner wall of the positioning groove, and the stopper and the side wall of the positioning groove form a limiting space. The positioning block can slide along the positioning groove and has at least a first position and a second position. When the positioning block is located at the first position, at least a portion of the positioning block is located in the limiting space and abuts against the stopper, so that the filter cup is locked with the liquid reservoir. When the positioning block is located at the second position, the positioning block is away from the limiting space, and the filter cup is separable from the liquid reservoir. By adopting the above structure, the filter cup and the liquid reservoir can be connected through the cooperation of the positioning groove and the positioning block. The limiting space enclosed by the stopper and the inner wall of the positioning groove can limit the positioning block, so that when the positioning block is located in the limiting space, the positioning block can be locked so that the filter cup and the liquid reservoir are tightly connected and not easy to loosen. When the positioning block is out of the limiting space, the air inlet shell and the air inlet part can be easily separated.

[0009] In one embodiment, there are multiple positioning blocks, and the multiple positioning blocks are arranged at intervals along the circumferential direction of the inner circumferential wall of the first liquid inlet. The number of the positioning grooves is consistent with the number of the positioning blocks and is arranged one-to-one.

[0010] In one embodiment, the filter cup further comprises a handle, which is disposed on the cup body and is located in the filter cavity. The handle can be conveniently operated by a user to take, put and rotate the filter cup, and the handle being disposed in the filter cavity can help reduce the volume of the filter cup.

[0011] By setting the filter, the filtering accuracy of the filter cup can be improved, and smaller particles and impurities can be effectively filtered out.

[0012] In one embodiment, the filter cup further includes a filter screen, and the filter screen is adapted to be disposed in the filter hole.

[0013] In one embodiment, a first sealing ring is further included, the first sealing ring being sleeved on the outer peripheral wall of the connecting portion, and the two sides of the first sealing ring being respectively against the inner peripheral walls of the connecting portion and the first liquid inlet. The second sealing ring is provided to ensure the sealing of the connection between the connecting portion and the liquid reservoir, and can effectively prevent the detergent from accidentally leaking into the liquid storage cavity through the connection between the connecting portion and the liquid reservoir without being filtered by the filter cup during the detergent replenishment process, thereby contaminating the liquid in the liquid storage cavity.

[0014] In one embodiment, the peripheral wall of the connecting portion is formed with an annular groove, and the first sealing ring is adapted to be installed in the annular groove. The annular groove can be provided to form a positioning function, ensuring that the first sealing ring can be stably arranged on the connecting portion to effectively play a sealing role.

[0015] In one embodiment, a second sealing ring is further included. The liquid reservoir includes a shell body and a cover body. The shell body is provided with the liquid storage cavity and the first liquid inlet. The filter cup is detachably arranged on the shell body. The cover body is arranged on the first liquid inlet. The second sealing ring is arranged on a side of the cover body close to the shell body. The two sides of the second sealing ring are respectively against the end faces of the cover body and the first liquid inlet. The shell body is provided with a cover body to close the first liquid inlet, which can prevent foreign matter from accidentally entering the liquid storage cavity when the dispensing device is used. At the same time, the second sealing ring is provided to ensure the sealing of the connection between the cover body and the shell body, effectively preventing the liquid in the liquid storage cavity from leaking through the first liquid inlet when the liquid reservoir is tipped over. When the user needs to add detergent, the cover body can be removed to expose the first liquid inlet.

[0016] In one embodiment, the shell body and the cover body are connected by threads.

[0017] In one embodiment, a connecting ring is further included, the connecting ring is located below the cover body, a connecting column is formed on the top of the shell body, the connecting column is provided with the first liquid inlet, the cover body is arranged on the connecting column, the connecting column is provided with an external thread, the connecting ring is provided with an internal thread adapted to the external thread, and the side of the connecting ring away from the cover body is used to abut against the bottom wall of the washing chamber. By adopting the above structure, the connecting column can extend into the washing chamber through the bottom wall of the inner tank of the dishwasher, and by connecting with the connecting ring, the connecting ring can abut against the bottom wall of the washing chamber to form a positioning effect, so that the liquid reservoir can be installed at the bottom of the inner tank. When the user needs to add detergent, he only needs to twist open the cover body in the washing chamber to fill the liquid, which is convenient to operate.

[0018] In one embodiment, a third sealing ring is further included, and the third sealing ring is sleeved on the outside of the connecting column, one side of the third sealing ring abuts against the side of the housing body close to the cover body, and the other side of the third sealing ring is used to abut against the outside of the bottom wall of the inner tank of the dishwasher. When the liquid reservoir is arranged at the bottom of the inner tank, the third sealing ring can effectively prevent the liquid in the washing cavity from leaking to the bottom of the dishwasher through the connection between the connecting column and the bottom wall of the inner tank.

[0019] In one embodiment, a flow meter is further included, the driving assembly includes a pump body and a pipeline assembly, the pump body is configured to connect the liquid outlet and the washing chamber of the dishwasher through the pipeline assembly, and the flow meter is arranged on the pipeline assembly. The setting of the flow meter can facilitate the user to know the working state of the pump body, judge whether the dispensing device is working effectively, and ensure the cleaning quality of the dishwasher.

[0020] In one embodiment, it also includes a liquid level detection component, which is arranged on the liquid reservoir and is used to detect the amount of liquid in the liquid storage cavity. Through the arrangement of the liquid level detection component, the user can be informed of the remaining amount of detergent in the liquid storage cavity, so that the user can replenish the material in time. At the same time, the liquid level detection component can cooperate with the flow meter. Once the detergent dispensing device fails, the user can quickly diagnose the faulty parts, shorten the maintenance time, and improve the maintenance efficiency.

[0021] In one of the embodiments, a groove is formed on a side of the bottom wall of the liquid storage cavity close to the liquid outlet, and at least a portion of the liquid level detection component is located in the groove.

[0022] In one embodiment, a one-way valve is further included, the liquid reservoir is provided with a through hole connecting the outside and the liquid storage cavity, the one-way valve is adapted to be installed with the through hole, the one-way valve is configured to allow external gas to flow into the liquid storage cavity in one direction, and the one-way valve closes the through hole in a natural state. By adopting the above structure, when the driving component works to transfer the detergent in the liquid storage cavity to the washing cavity of the dishwasher, the second one-way valve can allow external gas to flow into the liquid storage cavity in one direction, so that the liquid storage cavity and the external air pressure are balanced, so that the detergent in the liquid reservoir can be pumped out better.

[0023] A second aspect of the present application provides a dishwasher.

[0024] A dishwasher, comprising the above-mentioned dispensing device. The dishwasher provided in the second aspect of the present application adopts any of the above-mentioned dispensing devices, and a filter cup is arranged at the first liquid inlet of the liquid reservoir, and the filter cup can filter foreign matter in the washing liquid and accidentally falling into the first liquid inlet of the liquid reservoir, so as to prevent the foreign matter from entering the liquid storage cavity to cause contamination, or entering the drive assembly to cause dispensing failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a partial stereoscopic view of a delivery device according to one embodiment;

[0026] Figure 2 is a partial cross-sectional view of a delivery device according to one embodiment;

[0027] Figure 3 is a first partial exploded view of a delivery device according to an embodiment;

[0028] Figure 4 is a second partial exploded view of a delivery device according to an embodiment;

[0029] Figure 5 It is a three-dimensional view of a filter cup according to one embodiment.

[0030] The corresponding relationship between the reference numerals and the component names is as follows:

[0031] 1 liquid reservoir, 101 liquid storage cavity, 102 first liquid inlet, 103 liquid outlet, 104 groove, 105 through hole, 11 shell body, 111 positioning block, 112 connecting column, 12 cover body;

[0032] 2 filter cup, 201 filter cavity, 202 second liquid inlet, 203 positioning groove, 204 limiting space, 205 annular groove, 21 connecting part, 211 stopper, 22 cup body, 23 handle, 24 filter screen;

[0033] 3. The first sealing ring;

[0034] 4 second sealing ring;

[0035] 5 third sealing ring;

[0036] 6 connecting ring;

[0037] 7. Check valve. DETAILED DESCRIPTION

[0038] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0040] The delivery devices according to some embodiments of the present invention are described below with reference to the accompanying drawings.

[0041] like Figures 1 to 5 As shown, this embodiment discloses a dispensing device, including: a liquid reservoir 1, the liquid reservoir 1 is provided with a liquid storage cavity 101, the liquid reservoir 1 is provided with a first liquid inlet 102 and a liquid outlet 103, the first liquid inlet 102 and the liquid outlet 103 are respectively connected to the liquid storage cavity 101; a filter cup 2, the filter cup 2 is adapted to be installed with the first liquid inlet 102; a driving component, the driving component is connected with the liquid outlet 103, and the driving component is used to drive the liquid in the liquid storage cavity 101 to be output to the washing cavity of the dishwasher.

[0042] The present application provides a dispensing device, by arranging a filter cup 2 at the first liquid inlet 102 of the liquid reservoir 1, when the washing liquid enters the liquid reservoir 1, it will first be filtered by the filter cup 2 and then fall into the liquid storage cavity 101. Therefore, the filter cup 2 can filter the washing liquid and foreign matter that accidentally falls into the first liquid inlet 102 of the liquid reservoir 1, so as to prevent the foreign matter from entering the liquid storage cavity 101 and causing pollution, or entering the drive component to cause dispensing failure, and causing structural damage to shorten the life of the drive component.

[0043] like Figures 2 to 5 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the filter cup 2 is provided with a connection portion 21 and a cup body 22, the connection portion 21 is arranged on the cup body 22, the cup body 22 is connected to the liquid storage chamber 1 through the connection portion 21, the cup body 22 is provided with a filter chamber 201, the top of the cup body 22 is provided with a second liquid inlet 202, the second liquid inlet 202 is communicated with the first liquid inlet 102 and the filter chamber 201 respectively, and the side wall of the filter chamber 201 is provided with a filter hole connected to the liquid storage chamber 101. By adopting the above structure, when the washing liquid enters the liquid storage chamber 1, it will first pass through the second liquid inlet 202 and fall into the filter chamber 201, and the side wall of the filter chamber 201 is provided with a filter hole. When the washing water flows to the liquid storage chamber 101 through the filter hole, large particles of debris can be blocked by the filter hole to form a filtering effect.

[0044] like Figure 2 , Figure 3 and Figure 5 As shown, in addition to the features of the above-mentioned embodiment, this embodiment further defines that: the connection part 21 is arranged on the peripheral wall of the cup body 22, the connection part 21 is provided with a positioning groove 203, the positioning groove 203 is arranged along the circumferential direction of the first liquid inlet 102, and the inner peripheral wall of the first liquid inlet 102 is formed with a positioning block 111, and the positioning block 111 can be adapted and installed with the positioning groove 203. By forming the matching positioning groove 203 and the positioning block 111 on the connection part 21 and the inner peripheral wall of the first liquid inlet 102 respectively, when the filter cup 2 is inserted into the first liquid inlet 102, the user can rotate the filter cup 2 so that the positioning block 111 is aligned and engaged with the positioning groove 203 to form a positioning support function, so that the filter cup 2 can be stably arranged in the first liquid inlet 102.

[0045] like Figure 3 and Figure 5 As shown, in addition to the features of the above-mentioned embodiments, the present embodiment is further defined as follows: a stopper 211 is formed on the inner wall of the positioning groove 203, the stopper 211 and the side wall of the positioning groove 203 form a limiting space 204, the positioning block 111 can slide along the positioning groove 203 and has at least a first position and a second position, when the positioning block 111 is at the first position, at least a portion of the positioning block 111 is located in the limiting space 204 and abuts against the stopper 211, so that the filter cup 2 is locked with the liquid reservoir 1, and when the positioning block 111 is at the second position, the positioning block 111 is away from the limiting space 204, and the filter cup 2 is separable from the liquid reservoir 1. By adopting the above structure, the filter cup 2 and the liquid reservoir 1 can be connected through the cooperation of the positioning groove 203 and the positioning block 111. The limiting space 204 formed by the stopper 211 and the inner wall of the positioning groove 203 can limit the positioning block 111, so that when the positioning block 111 is located in the limiting space 204, the positioning block 111 can be locked to make the filter cup 2 and the liquid reservoir 1 tightly connected and not easy to loosen. When the positioning block 111 is out of the limiting space 204, the air inlet shell and the air inlet part can be easily separated.

[0046] In addition to the features of the above-mentioned embodiments, this embodiment further defines that: there are multiple positioning blocks 111, the multiple positioning blocks 111 are arranged at circumferential intervals along the inner wall of the first liquid inlet 102, and the number of positioning grooves 203 is consistent with the number of positioning blocks 111 and is arranged one-to-one.

[0047] like Figure 3 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the filter cup 2 also includes a handle 23, which is arranged on the cup body 22 and is located in the filter cavity 201. The arrangement of the handle 23 facilitates the user to operate the handle 23 to take, put and rotate the filter cup 2, and the arrangement of the handle 23 in the filter cavity 201 is conducive to reducing the volume of the filter cup 2.

[0048] By providing the filter screen 24, the filtering accuracy of the filter cup 2 can be improved, and smaller particles and impurities can be effectively filtered out.

[0049] like Figure 3 and Figure 5 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the filter cup 2 also includes a filter screen 24, and the filter screen 24 is adapted to be arranged in the filter hole.

[0050] like Figure 3 and Figure 5As shown, in addition to the features of the above-mentioned embodiment, this embodiment is further defined as follows: it also includes a first sealing ring 3, which is sleeved on the outer peripheral wall of the connecting portion 21, and the two sides of the first sealing ring 3 are respectively against the inner peripheral wall of the connecting portion 21 and the first liquid inlet 102. The second sealing ring 4 is provided to ensure the sealing of the connection between the connecting portion 21 and the liquid reservoir 1, and can effectively prevent the detergent from accidentally leaking into the liquid storage chamber 101 through the connection between the connecting portion 21 and the liquid reservoir 1 during the detergent replenishment process without being filtered by the filter cup 2, thereby contaminating the liquid in the liquid storage chamber 101.

[0051] like Figure 2 and Figure 5 As shown, in addition to the features of the above embodiment, this embodiment further defines that: the peripheral wall of the connecting portion 21 is formed with an annular groove 205, and the first sealing ring 3 is adapted to be installed in the annular groove 205. The setting of the annular groove 205 can form a positioning effect, ensuring that the first sealing ring 3 can be stably set on the connecting portion 21 and effectively play a sealing role.

[0052] like Figure 2 and Figure 4 As shown, in addition to the features of the above embodiment, this embodiment further defines: it also includes a second sealing ring 4, the liquid reservoir 1 includes a shell body 11 and a cover body 12, the shell body 11 is provided with a liquid storage cavity 101 and a first liquid inlet 102, the filter cup 2 is detachably arranged on the shell body 11, the cover body 12 is covered on the first liquid inlet 102, the second sealing ring 4 is arranged on the side of the cover body 12 close to the shell body 11, and the two sides of the second sealing ring 4 are respectively against the end faces of the cover body 12 and the first liquid inlet 102. The shell body 11 is provided with a cover body 12 to close the first liquid inlet 102, which can prevent foreign matter from accidentally entering the liquid storage cavity 101 when the dispensing device is used. At the same time, the second sealing ring 4 is arranged to ensure the sealing of the connection between the cover body 12 and the shell body 11, effectively preventing the liquid in the liquid storage cavity 101 from leaking through the first liquid inlet 102 when the liquid reservoir 1 is tipped over. When the user needs to add detergent, the cover body 12 can be taken out to expose the first liquid inlet 102.

[0053] like Figure 2 and Figure 3 As shown, in addition to the features of the above embodiments, this embodiment further defines that: the shell body 11 and the cover body 12 are connected by threads.

[0054] like Figure 2 and Figure 4As shown, in addition to the features of the above-mentioned embodiment, this embodiment is further defined as follows: it also includes a connecting ring 6, the connecting ring 6 is located below the cover body 12, a connecting column 112 is formed on the top of the shell body 11, the connecting column 112 is provided with a first liquid inlet 102, the cover body 12 is arranged on the connecting column 112, the connecting column 112 is provided with an external thread, the connecting ring 6 is provided with an internal thread adapted to the external thread, and the side of the connecting ring 6 away from the cover body 12 is used to abut against the bottom wall of the washing chamber. By adopting the above-mentioned structure, the connecting column 112 can extend into the washing chamber through the bottom wall of the inner tank of the dishwasher, and by connecting with the connecting ring 6, the connecting ring 6 can abut against the bottom wall of the washing chamber to form a positioning effect, so that the liquid reservoir 1 can be installed at the bottom of the inner tank. When the user needs to add detergent, he only needs to twist open the cover body 12 in the washing chamber to fill the liquid, which is convenient to operate.

[0055] like Figure 2 and Figure 4 As shown, in addition to the features of the above embodiment, this embodiment further defines: it also includes a third sealing ring 5, the third sealing ring 5 is sleeved on the outside of the connecting column 112, one side of the third sealing ring 5 abuts against the side of the housing body 11 close to the cover body 12, and the other side of the third sealing ring 5 is used to abut against the outside of the bottom wall of the inner tank of the dishwasher. When the liquid reservoir 1 is set at the bottom of the inner tank, the third sealing ring 5 can effectively prevent the liquid in the washing cavity from leaking to the bottom of the dishwasher through the connection between the connecting column 112 and the bottom wall of the inner tank.

[0056] In addition to the features of the above embodiment, this embodiment further defines: a flow meter is also included, the driving assembly includes a pump body and a pipeline assembly, the pump body is configured to connect the liquid outlet 103 and the washing chamber of the dishwasher through the pipeline assembly, and the flow meter is arranged on the pipeline assembly. The setting of the flow meter can facilitate the user to know the working state of the pump body, judge whether the dispensing device is working effectively, and ensure the cleaning quality of the dishwasher.

[0057] In addition to the features of the above-mentioned embodiment, the present embodiment further defines: it also includes a liquid level detection component, which is arranged on the liquid reservoir 1, and is used to detect the amount of liquid in the liquid storage chamber 101. By setting the liquid level detection component, the user can be convenient to know the remaining amount of detergent in the liquid storage chamber 101, so that the user can replenish the material in time. At the same time, the liquid level detection component can cooperate with the flow meter. Once the detergent dispensing device fails, the user can quickly diagnose the faulty parts, shorten the maintenance time, and improve the maintenance efficiency.

[0058] like Figure 2 As shown, in addition to the features of the above embodiments, this embodiment further defines that: a groove 104 is formed on one side of the bottom wall of the liquid storage chamber 101 close to the liquid outlet 103 , and at least a portion of the liquid level detection component is located in the groove 104 .

[0059] like Figure 2 and Figure 4 As shown, in addition to the features of the above embodiment, this embodiment further defines: it also includes a one-way valve 7, the liquid reservoir 1 is provided with a through hole 105 connecting the outside and the liquid storage chamber 101, the one-way valve 7 is adapted and installed with the through hole 105, the one-way valve 7 is configured to allow external gas to flow into the liquid storage chamber 101 in one direction, and the one-way valve 7 closes the through hole 105 in a natural state. By adopting the above structure, when the driving component works to transport the detergent in the liquid storage chamber 101 to the washing chamber of the dishwasher, the second one-way valve 7 can allow external gas to flow into the liquid storage chamber 101 in one direction, so that the liquid storage chamber 101 is balanced with the external air pressure, so that the detergent in the liquid reservoir 1 is better pumped out.

[0060] A second aspect of the present application provides a dishwasher.

[0061] This embodiment discloses a dishwasher, including the above-mentioned dispensing device. The dishwasher provided in the second aspect of the present application adopts any of the above-mentioned dispensing devices, and a filter cup 2 is arranged at the first liquid inlet 102 of the liquid reservoir 1. The filter cup 2 can filter foreign matter in the washing liquid and foreign matter accidentally falling into the first liquid inlet 102 of the liquid reservoir 1, so as to prevent foreign matter from entering the liquid storage cavity 101 to cause contamination, or entering the drive assembly to cause dispensing failure.

[0062] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0063] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A delivery device, characterized in that: include: A liquid reservoir (1), the liquid reservoir (1) being provided with a liquid storage cavity (101), the liquid reservoir (1) being provided with a first liquid inlet (102) and a liquid outlet (103), the first liquid inlet (102) and the liquid outlet (103) being respectively connected to the liquid storage cavity (101); A filter cup (2), the filter cup (2) being adapted to be mounted on the first liquid inlet (102); A driving component is communicated with the liquid outlet (103), and is used to drive the liquid in the liquid storage chamber (101) to be discharged to the washing chamber of the dishwasher.

2. The delivery device according to claim 1, characterized in that: The filter cup (2) is provided with a connecting portion (21) and a cup body (22); the connecting portion (21) is arranged on the cup body (22); the cup body (22) is connected to the liquid storage device (1) via the connecting portion (21); the cup body (22) is provided with a filter cavity (201); a second liquid inlet (202) is provided on the top of the cup body (22); the second liquid inlet (202) is respectively connected to the first liquid inlet (102) and the filter cavity (201); and a filter hole connected to the liquid storage cavity (101) is provided on the side wall of the filter cavity (201).

3. The delivery device according to claim 2, characterized in that: The connecting portion (21) is arranged on the peripheral wall of the cup body (22), and the connecting portion (21) is provided with a positioning groove (203), and the positioning groove (203) is arranged along the circumferential direction of the first liquid inlet (102), and the inner peripheral wall of the first liquid inlet (102) is formed with a positioning block (111), and the positioning block (111) can be adapted and installed with the positioning groove (203).

4. The delivery device according to claim 3, characterized in that: A stopper (211) is formed on the inner wall of the positioning groove (203); the stopper (211) and the side wall of the positioning groove (203) form a limiting space (204); the positioning block (111) can slide along the positioning groove (203) and has at least a first position and a second position; when the positioning block (111) is located at the first position, at least a portion of the positioning block (111) is located in the limiting space (204) and abuts against the stopper (211), so that the filter cup (2) and the liquid reservoir (1) are locked; when the positioning block (111) is located at the second position, the positioning block (111) is away from the limiting space (204), so that the filter cup (2) and the liquid reservoir (1) can be separated; and / or The number of the positioning blocks (111) is multiple, and the multiple positioning blocks (111) are arranged at intervals along the circumferential direction of the inner circumferential wall of the first liquid inlet (102), and the number of the positioning grooves (203) is consistent with the number of the positioning blocks (111) and are arranged in a one-to-one correspondence.

5. The delivery device according to claim 2, characterized in that: The filter cup (2) further comprises a handle (23), wherein the handle (23) is arranged on the cup body (22), and the handle (23) is located in the filter cavity (201); and / or The filter cup (2) further comprises a filter screen (24), wherein the filter screen (24) is adapted to be arranged in the filter hole.

6. The delivery device according to claim 2, characterized in that: It also comprises a first sealing ring (3), wherein the first sealing ring (3) is sleeved on the outer peripheral wall of the connecting portion (21), and two sides of the first sealing ring (3) respectively abut against the inner peripheral walls of the connecting portion (21) and the first liquid inlet (102).

7. The delivery device according to claim 6, characterized in that: An annular groove (205) is formed on the peripheral wall of the connecting portion (21), and the first sealing ring (3) is fitted and installed in the annular groove (205).

8. The delivery device according to claim 1, characterized in that: The liquid storage device (1) further comprises a second sealing ring (4). The liquid storage device (1) comprises a shell body (11) and a cover body (12). The shell body (11) is provided with the liquid storage cavity (101) and the first liquid inlet (102). The filter cup (2) is detachably arranged on the shell body (11). The cover body (12) is arranged on the first liquid inlet (102). The second sealing ring (4) is arranged on a side of the cover body (12) close to the shell body (11). The two sides of the second sealing ring (4) are respectively abutted against the end faces of the cover body (12) and the first liquid inlet (102).

9. The delivery device according to any one of claims 1 to 8, characterized in that: It also includes a flow meter, the driving assembly includes a pump body and a pipeline assembly, the pump body is configured to connect the liquid outlet (103) and the washing chamber of the dishwasher through the pipeline assembly, and the flow meter is arranged on the pipeline assembly; and / or It also comprises a liquid level detection component, the liquid level detection component is arranged on the liquid reservoir (1), and the liquid level detection component is used to detect the amount of liquid in the liquid storage cavity (101); and / or The liquid storage device (1) further comprises a one-way valve (7), wherein the liquid storage device (1) is provided with a through hole (105) connecting the outside world and the liquid storage chamber (101), and the one-way valve (7) is adapted to be installed in the through hole (105), and the one-way valve (7) is configured to allow external gas to flow into the liquid storage chamber (101) in one direction, and the one-way valve (7) closes the through hole (105) in a natural state.

10. A dishwasher, characterized in that: Comprising the delivery device as described in any one of claims 1 to 9.

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