A detergent switching dispensing device and a washing apparatus

Abstract

The application discloses a detergent switching and dispensing device and a washing equipment. The switching and dispensing device comprises a switching valve, a plurality of liquid inlets are arranged on the side of the switching valve, the plurality of liquid inlets are arranged at intervals along the circumferential direction of the switching valve, a liquid outlet is arranged on the end of the switching valve, and the liquid outlet is arranged offset from the center of the end of the switching valve. The switching valve controls the connection and disconnection between the liquid outlet and the plurality of liquid inlets. In the application, the switching valve can control the connection and disconnection between the liquid outlet and the plurality of liquid inlets, a plurality of detergents can be respectively dispensed through the switching valve, the structure is simple, the occupied space is small, and the cost is low. When liquid flows into the inside of the switching valve from the liquid inlets, the liquid flows to the liquid outlet in the inside of the switching valve. Since the liquid outlet is arranged offset from the center of the end of the switching valve, the liquid can be discharged more smoothly, and the residual liquid in the switching valve can be reduced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of washing equipment, in particular, relates to a washing agent switching and dispensing device and a washing equipment. BACKGROUND

[0002] At present, people's functional requirements for washing machines are more and more refined, among which, the washing agent automatic dispensing function does not need the user to manually dispense the washing agent, saving the user's operation, therefore, the user's demand for the washing agent automatic dispensing function is more and more large.

[0003] However, the existing automatic dispensing washing machine usually dispenses multiple washing agents, such as laundry liquid, softener, disinfectant, etc. Usually, multiple dispensing pumps are used to dispense respectively, the number of dispensing pumps is large, the structure is complex, the occupied space is large, and the cost is high.

[0004] Therefore, the present application is proposed. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art, and the purpose is to provide a washing agent switching and dispensing device, multiple washing agents can be switched and dispensed through the switching valve, the structure is simple, the occupied space is small, the cost is low, and the liquid remaining in the switching valve can be reduced.

[0006] Another purpose of the present application is to provide a washing equipment.

[0007] To solve the above technical problems, the basic idea of the technical scheme adopted by the present application is to provide a washing agent switching and dispensing device, comprising,

[0008] A switching valve, a plurality of liquid inlets are provided on the side of the switching valve, the plurality of liquid inlets are arranged at intervals along the circumferential direction of the switching valve, and a liquid outlet is provided on the end of the switching valve, and the liquid outlet is arranged offset from the center of the end of the switching valve.

[0009] The switching valve controls the connection and disconnection between the liquid outlet and the plurality of liquid inlets.

[0010] Further, the liquid inlet includes a water inlet arranged at one end of the side, and the remaining liquid inlets are arranged at the other end of the side.

[0011] The liquid outlet is arranged on one end of the end close to the water inlet.

[0012] Further, the switching valve comprises,

[0013] A valve body, the plurality of liquid inlets are arranged at intervals along the circumferential direction on the side of the valve body, and the liquid outlet is arranged on one end of the valve body.

[0014] A valve core is arranged in the valve body and rotatable along the circumferential direction, and an outer circumferential wall of the valve core is rotatably sealed with at least part of an inner circumferential wall of the valve body side, for closing a plurality of liquid inlet ports;

[0015] The liquid outlet is located on one side of the axis of the valve core, and a through inlet is arranged on the outer circumferential wall of the valve core, for selectively communicating or disconnecting with one of the plurality of liquid inlet ports when the valve core rotates, and the inlet communicates with the liquid outlet.

[0016] Further, the switching valve further comprises

[0017] A rotating shaft is arranged in the other end of the valve body opposite to the liquid outlet, rotatably sealed and connected with the valve core, for driving the valve core to rotate in the valve body.

[0018] Further, the valve body has a liquid inlet channel communicating the inlet and the liquid outlet.

[0019] Further, the valve core comprises

[0020] A shaft seat is connected with the rotating shaft at one end in the axial direction;

[0021] A support seat is arranged on the outer circumferential wall of the shaft seat and extends outwardly along the radial direction of the shaft seat, and the liquid outlet is arranged opposite to the support seat;

[0022] An outer circumferential plate is connected with the outer circumferential wall of the support seat at its inner circumferential wall, and the outer circumferential wall of the outer circumferential plate is in sealing connection with the inner circumferential wall of the valve body, and the inlet is arranged through the outer circumferential plate.

[0023] Further, the support seat is arranged spaced apart from the inner side wall of the valve body end having the liquid outlet; the liquid inlet channel comprises

[0024] A first liquid inlet channel is arranged on the support seat and communicates with the inlet, and the first liquid inlet channel is arranged through the side of the support seat opposite to the liquid outlet;

[0025] A second liquid inlet channel is a gap between the support seat and the liquid outlet, and respectively communicates with the first liquid inlet channel and the liquid outlet.

[0026] Further, the support seat is a plurality of support arms arranged spaced apart along the outer circumferential direction on the outer circumferential wall of the shaft seat, the inlet is arranged on the outer circumferential plate between two adjacent support arms, and the first liquid inlet channel is respectively formed between the two adjacent support arms;

[0027] Alternatively, the support seat is a boss arranged extending along the outer circumferential direction on the outer circumferential wall of the shaft seat, and the first liquid inlet channel is arranged through the two sides of the boss.

[0028] Further, a recess is arranged on the end face of the other end of the shaft seat, and a positioning convex is arranged on the inner side wall of the end part of the valve body opposite to the recess, and the positioning convex is arranged in the recess.

[0029] Further, the liquid inlet channel comprises

[0030] The first liquid inlet channel is arranged in the support seat and communicates with the inlet;

[0031] The second liquid inlet channel is arranged on the support seat and is arranged on the side opposite to the liquid outlet through the support seat;

[0032] The third liquid inlet channel is arranged in the shaft seat and is arranged on both sides of the peripheral wall of the shaft seat in the radial direction, and the two ends of the third liquid inlet channel respectively communicate with the first liquid inlet channel and the second liquid inlet channel.

[0033] Further, the support seat is a boss arranged on the peripheral wall of the shaft seat in the peripheral direction, and the first liquid inlet channel and the second liquid inlet channel are arranged on the boss in the radial direction.

[0034] Further, the washing device further comprises

[0035] The detergent box has a plurality of detergent containing cavities; the water inlet of the plurality of liquid inlets is used to communicate with the water inlet pipe, and the plurality of detergent containing cavities respectively communicate with the rest of the liquid inlets one by one;

[0036] The circulating pump communicates with the liquid outlet and is used to suck the liquid in the switching valve to supply to the washing tub;

[0037] Preferably, at least three liquid inlets are arranged on the side part of the valve body.

[0038] The application further provides a washing device with the above-mentioned detergent switching and feeding device.

[0039] Compared with the prior art, the application has the following beneficial effects.

[0040] (1) The application arranges a plurality of liquid inlets on the side part of the switching valve and arranges a liquid outlet on the end part of the switching valve, the switching valve can control the liquid outlet to communicate or disconnect with the plurality of liquid inlets, and a plurality of detergents can be fed through the switching valve respectively, the structure is simple, the occupied space is small, and the cost is low. When liquid is fed into the switching valve from the liquid inlets, the liquid flows in the switching valve to reach the liquid outlet, since the liquid outlet is arranged offset from the center of the end part of the switching valve, the liquid can be discharged more smoothly, and the residual liquid in the switching valve can be reduced.

[0041] (2) The present application is provided with multiple liquid inlet ports on the side of the valve body, a liquid outlet port on the end of the valve body, and an inlet port on the outer wall of the valve core, which is in communication with the liquid outlet port. The liquid inlet ports on the valve body can be closed to prevent leakage, improving the overall sealing of the switching valve. The inlet port can be selectively in communication with a liquid inlet port, allowing the liquid inlet port to communicate with the liquid outlet port for liquid injection. This allows multiple detergents to be injected one by one through the switching valve or the switching valve to be washed by water, improving the precision of different detergent types.

[0042] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0043] The accompanying drawings are part of the present application and serve to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions serve to explain the present application, but do not constitute an improper limitation of the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0044] Figure 1 is a schematic view of a detergent switching and dispensing device according to the present application;

[0045] Figure 2 is a top view of a detergent switching and dispensing device according to the present application;

[0046] Figure 3 is a cross-sectional view of a switching valve according to the present application;

[0047] Figure 4 is a cross-sectional view of a valve body according to the present application;

[0048] Figure 5 is a schematic view of a valve core according to the present application;

[0049] Figure 6 is a schematic view of another valve core according to the present application;

[0050] Figure 7 is a schematic view of another valve core according to the present application;

[0051] Figure 8 is a schematic view of another detergent switching and dispensing device according to the present application;

[0052] Figure 9 is a schematic view of a detergent switching and dispensing device according to the present application.

[0053] In the figure: 1, valve body; 11, liquid inlet; 111, water inlet; 112, detergent liquid inlet; 12, liquid outlet; 13, positioning convex; 2, valve core; 21, shaft seat; 211, third liquid inlet channel; 212, groove; 22, support seat; 221, first liquid inlet channel; 222, second liquid inlet channel; 23, outer peripheral plate; 231, inlet; 3, rotating shaft; 4, motor; 5, detergent box; 6, circulating pump.

[0054] It should be noted that the drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but are not used to limit the scope of the present application.

[0056] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0057] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] As shown in Figures 1 to 9 The detergent switching and dispensing device described in the present application comprises a switching valve.

[0059] The switching valve has a plurality of liquid inlets 11 on the side thereof, which are arranged at intervals along the circumferential direction of the switching valve. The switching valve has a liquid outlet 12 on the end thereof. The liquid outlet 12 is arranged offset from the center of the end of the switching valve. The switching valve controls the communication and disconnection between the liquid outlet 12 and the plurality of liquid inlets 11.

[0060] The present application is characterized in that a plurality of liquid inlets 11 are arranged on the side of the switching valve, a liquid outlet 12 is arranged on the end of the switching valve, the switching valve can control the liquid outlet 12 to be connected or disconnected with the plurality of liquid inlets 11, and a plurality of detergents can be respectively fed through the switching valve, so that the structure is simple, the occupied space is small, and the cost is low. When liquid flows into the inside of the switching valve from the liquid inlets 11, the liquid flows to the liquid outlet 12 in the switching valve, the liquid outlet 12 is arranged offset from the center of the end of the switching valve, the liquid can be smoothly discharged, and the liquid remaining in the switching valve can be reduced.

[0061] In the application, the liquid outlet 12 can be respectively connected with the plurality of liquid inlets 11, or the liquid outlet 12 can be simultaneously connected with two or more of the plurality of liquid inlets 11.

[0062] The liquid outlet 12 is arranged close to the outer periphery of the end of the switching valve.

[0063] The plurality of liquid inlets 11 are uniformly and spacedly arranged on the side in the circumferential direction.

[0064] Alternatively, the liquid inlets 11 include a water inlet 111 arranged on one end of the side, and the remaining liquid inlets 11 are spacedly arranged on the other end of the side. The liquid outlet 12 is arranged on the end close to the remaining liquid inlets 11.

[0065] Further, the switching valve includes a valve body 1 and a valve core 2.

[0066] The plurality of liquid inlets 11 are spacedly arranged on the side of the valve body 1 in the circumferential direction. The liquid outlet 12 is arranged on one end of the valve body 1. The valve core 2 is rotatably arranged in the valve body 1 in the circumferential direction, and the outer peripheral wall of the valve core 2 is rotatably sealed with at least part of the inner peripheral wall of the side of the valve body 1, so as to close the plurality of liquid inlets 11.

[0067] The liquid outlet 12 is located on one side of the axis of the valve core 2. The outer peripheral wall of the valve core 2 is provided with a through inlet 231 for selectively connecting or disconnecting with one of the plurality of liquid inlets 11 when the valve core 2 rotates, and the inlet 231 is connected with the liquid outlet 12.

[0068] The application is characterized in that a plurality of liquid inlet ports 11 are arranged on the side of the valve body 1, a liquid outlet port 12 is arranged on the end of the valve body 1, an inlet port 231 communicating with the liquid outlet port 12 is arranged on the outer circumferential wall of the valve core 2, the liquid inlet ports 11 can be closed to prevent leakage and improve the overall sealing performance of the switching valve, the inlet port 231 can be selectively communicated with a liquid inlet port 11 to make the liquid inlet port 11 communicated with the liquid outlet port 12 to pour in the liquid, so that a plurality of detergents can be poured one by one through the switching valve or the switching valve can be washed by water, and the pouring accuracy of different detergents is improved. In the application, the liquid flows outward along the circumferential direction of the valve core 2, the liquid outlet port 12 is located on one side of the rotation axis of the valve core 2, the liquid is easily discharged from the liquid outlet port 12, and the liquid residue is small.

[0069] The outer circumferential wall of the valve core 2 is rotationally sealed with the circumferential inner wall of the valve body 1, or the outer circumferential wall of the valve core 2 can be rotationally sealed with the circumferential inner wall of the valve body 1.

[0070] The valve body 1 has a cavity, and the valve core 2 is rotationally arranged in the cavity of the valve body 1. Preferably, the cavity in the valve body 1 is cylindrical. The plurality of liquid inlet ports 11 are uniformly and spacedly arranged on the outer circumferential wall of the cylinder. The liquid outlet port 12 is arranged on one end face of the cylinder.

[0071] The liquid outlet port 12 is located on the radial line of the water inlet port 111 and the center of the end, and the liquid outlet port 12 and the water inlet port 111 are arranged in correspondence.

[0072] The water inlet port 111 is arranged at the lower end of the valve body 1 for water inlet. The remaining liquid inlet ports 11 are spacedly arranged at the upper end of the side of the valve body 1 for detergent inlet.

[0073] Further, the switching valve further comprises a rotation shaft 3. The rotation shaft 3 is rotationally and sealingly arranged in the other end of the valve body 1 opposite to the liquid outlet port 12. The rotation shaft 3 is connected with the valve core 2 for driving the valve core 2 to rotate in the valve body 1.

[0074] Further, the detergent switching and pouring device further comprises a motor 4. The motor 4 is drivingly connected with the rotation shaft 3 for driving the rotation shaft 3 to rotate the valve core 2. The motor 4 is connected with the shell of the switching valve through a connecting piece.

[0075] Preferably, the motor 4 is a stepping motor 4, and the rotation shaft 3 can be controlled to rotate within a preset angle range.

[0076] One end of the valve body 1 is provided with a mounting hole. The rotating shaft 3 can be directly connected with the mounting hole of the valve body 1 through a sealing ring. Alternatively, the rotating shaft 3 is connected with other structures on the valve core 2, and the other structures are directly connected with the mounting hole of the valve body 1 through a sealing ring, for example, the rotating shaft 3 is inserted into the other structures.

[0077] As shown in Figures 3 to 7 The valve body 1 has a liquid inlet channel connecting the inlet 231 and the liquid outlet 12. The valve core 2 includes a shaft seat 21, a support seat 22 and an outer peripheral plate 23.

[0078] One end of the shaft seat 21 is connected with the rotating shaft 3 in the axial direction. The support seat 22 is arranged outward along the radial direction of the shaft seat 21 from the outer peripheral wall of the shaft seat 21. The liquid outlet 12 is arranged opposite to the support seat 22.

[0079] The inner peripheral wall of the outer peripheral plate 23 is connected with the outer peripheral wall of the support seat 22, and the outer peripheral wall of the outer peripheral plate 23 is in sealing connection with the inner peripheral wall of the valve body 1. The inlet 231 is arranged through the outer peripheral plate 23.

[0080] When the inlet 231 is connected with a selected liquid inlet 11, liquid enters the inlet 231 of the valve core 2 through the selected liquid inlet 11, passes through the liquid inlet channel, and is discharged from the liquid outlet 12 of the valve body 1. When the water pressure is large, the water flow will flow along the circumferential direction and wash away, reducing the residual detergent in the switching valve.

[0081] The outer peripheral wall of the valve core 2 can be in rotational sealing connection with part of the inner peripheral wall of the valve body 1, or in rotational sealing connection with the entire inner peripheral wall of the valve body 1.

[0082] Preferably, the outer peripheral plate 23 is a circular outer peripheral plate 23 or an arc-shaped extending outer peripheral plate 23.

[0083] Further, the two end faces of the outer peripheral plate 23 in the axial direction are in sealing connection with the inner side walls of the two end portions of the valve body 1, which can ensure that the outer peripheral plate 23 of the valve core 2 is arranged opposite to the liquid inlet 11, and improve the liquid inlet sealing performance of the valve body 1.

[0084] The two sides of the outer peripheral plate 23 of the valve core 2 opposite to the two end portions of the valve body 1 are connected with the inner peripheral wall through a round corner transition. The edge of the end portion of the valve body 1 provided with the liquid outlet 12 is provided with a chamfer structure, which matches the connection between the two sides of the valve core 2 and the inner peripheral wall, and can facilitate the installation of the valve core 2 and the valve body 1.

[0085] One embodiment is as shown in Figures 3 to 6As shown, the support seat 22 is spaced apart from the inner side wall of the end of the valve body 1 with the liquid outlet 12. The liquid inlet channel includes a first liquid inlet channel 221 and a second liquid inlet channel 222.

[0086] The first liquid inlet channel 221 is arranged on the support seat 22 and communicates with the inlet 231. The first liquid inlet channel 221 is arranged through the side of the support seat 22 opposite the liquid outlet 12. The second liquid inlet channel 222 is a gap between the support seat 22 and the liquid outlet 12. The second liquid inlet channel 222 respectively communicates with the first liquid inlet channel 221 and the liquid outlet 12.

[0087] The liquid outlet 12 is in communication with the liquid inlet channel all the time.

[0088] A specific embodiment is as follows: Figure 5 As shown, the support seat 22 is a plurality of support arms spaced apart along the outer peripheral direction and arranged on the outer peripheral wall of the shaft seat 21. The inlet 231 is arranged on the outer peripheral plate 23 between two adjacent support arms, and the first liquid inlet channel 221 is formed between the two adjacent support arms.

[0089] Another specific embodiment is as follows: Figure 6 As shown, the support seat 22 is a boss arranged on the outer peripheral wall of the shaft seat 21 in the extension direction of the outer periphery. The first liquid inlet channel 221 is arranged through the two sides of the boss.

[0090] The liquid enters the first liquid inlet channel 221 from the inlet 231, then enters the gap, and flows out from the liquid outlet 12.

[0091] Preferably, the boss is a fan-shaped boss.

[0092] Further, a groove 212 is arranged on the end face of the other end of the shaft seat 21. A positioning convexity 13 is arranged on the inner side wall of the end of the valve body 1 opposite the groove 212, and the positioning convexity 13 is installed in the groove 212.

[0093] Preferably, an annular protrusion (not shown in the figure) is arranged on the outer peripheral wall of the shaft seat 21, which decreases from the connection between the shaft seat 21 and the support seat 22 to both ends of the shaft seat 21 in the axial direction, facilitating the smooth discharge of the liquid passing through the shaft seat 21, preventing liquid, and reducing the residual liquid on the valve core 2.

[0094] Preferably, the boss is a fan-shaped boss, and the outer peripheral plate 23 is an arc-shaped plate.

[0095] Another embodiment is as follows: Figure 7 As shown, the liquid inlet channel includes a first liquid inlet channel 221, a second liquid inlet channel 222, and a third liquid inlet channel 211.

[0096] The first liquid inlet channel 221 is arranged inside the support seat 22 and communicates with the inlet 231.

[0097] The second liquid inlet channel 222 is arranged on the support seat 22. The second liquid inlet channel 222 is arranged through the side of the support seat 22 opposite to the liquid outlet 12 and communicates with the first liquid inlet channel 221.

[0098] The third liquid inlet channel 211 is arranged in the shaft seat 21. The third liquid inlet channel 211 is arranged through the two sides of the peripheral wall of the shaft seat 21 in the radial direction. The two ends of the third liquid inlet channel 211 respectively communicate with the first liquid inlet channel 221 and the second liquid inlet channel 222.

[0099] The support seat 22 and the end of the valve body 1 can have a gap or can not have a gap.

[0100] The other end of the shaft seat 21 is arranged close to or spaced from the inner side wall of the end of the valve body 1.

[0101] Specifically, the support seat 22 is a boss arranged on the peripheral wall of the shaft seat 21 in the peripheral direction. The first liquid inlet channel 221 is arranged inside the boss. The second liquid inlet channel 222 is arranged through the side of the boss opposite to the liquid outlet 12.

[0102] As shown in Figure 8 The switching valve can also be provided with a plurality of liquid outlets 12 on the end of the valve body 1 for one-to-one communication with the liquid inlets 11.

[0103] Alternatively, the switching valve can also be provided with a plurality of liquid outlets 12 on the end of the valve body 1. When the valve core 2 is rotated to any liquid inlet 11 communicating with the liquid inlet channel, the plurality of liquid outlets 12 are all in communication with the liquid outlet channel, thereby improving the liquid outlet speed of the switching valve.

[0104] As shown in Figure 9 The switching valve also includes a detergent box 5 and a circulating pump 6. The detergent box 5 has a plurality of detergent containing cavities.

[0105] One of the plurality of liquid inlets 11 is a water inlet 111 for communication with a water inlet pipe. When the water inlet 111 communicates with the liquid inlet channel, the inner cavity of the valve body 1 can be flushed, and water or residual detergent can be flushed away.

[0106] The remaining liquid inlets 11 are detergent liquid inlets 112, which respectively correspond to the plurality of detergent containing cavities. The circulating pump 6 communicates with the liquid outlet 12 and is used to suck the liquid in the switching valve to supply to the washing tub.

[0107] Preferably, the side of the valve body 1 is provided with at least three liquid inlets 11.

[0108] More preferably, the side of the valve body 1 is upwardly arranged. The number of the plurality of liquid inlets 11 is four, including one water inlet 111 and three detergent liquid inlets 112. The three detergent liquid inlets 112 are sequentially and uniformly arranged on the top of the valve body 1. The water inlet 111 is arranged at the bottom of the valve body 1. The liquid outlet 12 is arranged close to the lower end of the valve body 1, facilitating water drainage.

[0109] The water inlet 111, the detergent liquid inlets 112 and the liquid outlet 12 are respectively provided with outwardly protruding connectors, facilitating connection with other pipelines.

[0110] The application further provides a washing device with the above-described detergent switching and dispensing device.

[0111] The washing device includes a washing machine, a washing-drying machine, a dishwasher, etc. Preferably, the washing device is a washing machine.

[0112] The washing machine includes a water inlet pipe, a water outlet pipe and a washing barrel. The water inlet pipe is in communication with the water inlet 111. One end of the water outlet pipe is in communication with the liquid outlet of the circulating pump 6, and the other end is used for guiding liquid into the washing barrel.

[0113] The above description is only the preferred embodiment of the application, and does not limit the application in any form. Although the application has been disclosed as above, it is not intended to limit the application. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the scope of the application. The above-mentioned embodiments can be further combined or replaced, but as long as it does not deviate from the technical solution of the application, any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the application are still within the scope of the application.

Claims

1. A detergent switching dispensing device characterized by: The switching valve comprises The switching valve comprises A valve body, a plurality of liquid inlet ports are arranged on the side of the valve body in the circumferential direction, a liquid outlet port is arranged on one end of the valve body, and the liquid outlet port is arranged offset from the center of the end of the switching valve; A valve core is arranged in the valve body and can rotate in the circumferential direction, and an outer peripheral wall of the valve core is arranged in rotation sealing with part of an inner peripheral wall of the side of the valve body to close the plurality of liquid inlet ports; The liquid outlet port is located on one side of the rotation axis of the valve core, and an inlet is arranged on the outer peripheral wall of the valve core to selectively communicate or disconnect with one of the plurality of liquid inlet ports when the valve core rotates, and the inlet communicates with the liquid outlet port; The valve core comprises A shaft seat; A support seat is arranged on the outer peripheral wall of the shaft seat and extends outward in the radial direction of the shaft seat, and the liquid outlet port is arranged opposite the support seat; An outer peripheral plate is arranged, an inner peripheral wall of the outer peripheral plate is connected with an outer peripheral wall of the support seat, an outer peripheral wall of the outer peripheral plate is in sealing connection with an inner peripheral wall of the valve body, and the inlet is arranged through the outer peripheral plate; The support seat is a plurality of support arms arranged on the outer peripheral wall of the shaft seat in the circumferential direction, the inlet is arranged on the outer peripheral plate between two adjacent support arms, and a first liquid inlet channel is formed between the two adjacent support arms; An annular protrusion is arranged on the outer peripheral wall of the shaft seat and decreases from the connection between the shaft seat and the support seat to both ends of the shaft seat in the axial direction.

2. The detergent switching dispensing device according to claim 1, characterized in that: The liquid inlet port comprises a water inlet port arranged on one end of the side, and the remaining liquid inlet ports are arranged on the other end of the side; The liquid outlet port is arranged on one end of the end close to the water inlet port.

3. A detergent switching dispensing device according to claim 1 or 2, characterized in that: The switching valve further comprises A rotating shaft is arranged in sealing through the other end of the valve body opposite the liquid outlet port and connected with the valve core to drive the valve core to rotate in the valve body.

4. The detergent switching and dispensing device according to claim 3, wherein The valve body has a liquid inlet channel communicating the inlet and the liquid outlet port.

5. A detergent switching dispensing device according to claim 4, characterized in that: One end of the shaft seat in the axial direction is connected with the rotating shaft.

6. The detergent switching dispensing device according to claim 1, wherein: The support seat is arranged in the inner side wall of the valve body end with the liquid outlet port; the liquid inlet channel comprises A first liquid inlet channel is arranged on the support seat and communicates with the inlet, and the first liquid inlet channel is arranged through the side of the support seat opposite the liquid outlet port; A second liquid inlet channel is a gap between the support seat and the liquid outlet port, and respectively communicates with the first liquid inlet channel and the liquid outlet port.

7. The detergent switching and dispensing device according to claim 6, wherein A groove is arranged on the end face of the other end of the shaft seat, and a positioning convex is arranged on the inner side wall of the valve body end opposite the groove, and the positioning convex is arranged in the groove.

8. The detergent switching dispensing device according to claim 1, wherein: The liquid inlet channel comprises A first liquid inlet channel is arranged in the support seat and communicates with the inlet; A second liquid inlet channel is arranged on the support seat and arranged through the side of the support seat opposite the liquid outlet port; A third liquid inlet channel is arranged in the shaft seat and penetrates the circumferential wall of the shaft seat along the radial direction. The two ends of the third liquid inlet channel are communicated with the first liquid inlet channel and the second liquid inlet channel respectively.

9. The detergent switching dispensing device according to claim 2, wherein: Further comprising, A detergent box has a plurality of detergent accommodating cavities; the water inlet of the plurality of liquid inlets is used to communicate with the water inlet pipe, and the plurality of detergent accommodating cavities are communicated with the rest of the liquid inlets one by one. A circulating pump is communicated with the liquid outlet and used to suck the liquid in the switching valve to supply to the washing tub.

10. A detergent switching dispensing device according to claim 9, characterized in that: At least three liquid inlets are arranged on the side of the valve body.

11. A washing apparatus characterized by comprising: The detergent switching and feeding device has any one of the features of claims 1-10. The detergent switching and feeding device has any one of the features of claims 1-10.

Images