CN217266444U - Adapter structure and throwing device - Google Patents

Abstract

The utility model discloses an adapter structure and a throwing device, wherein the adapter structure comprises an adapter, a hollow cavity is formed in the adapter, the cavity is provided with at least one liquid outlet, and a color changing structure which changes color when meeting water is arranged at the liquid outlet; by arranging the color-changing structure at the liquid outlet, when the adapter is in water leakage at the liquid outlet, the color-changing structure changes color when meeting water, so that a user can accurately know the water leakage condition of the liquid outlet; still provide a put in device, including the detergent box, put in pipeline and water intake pipe, the detergent box is through putting in pipeline and water intake pipe intercommunication, still includes the adapter structure, water intake pipe's liquid outlet and cavity intercommunication.

Description

Adapter structure and throwing device

Technical Field

The utility model belongs to the technical field of domestic appliance, specifically speaking relates to an adapter structure and input device.

Background

With the improvement of living standard of people, electrical equipment such as washing machines and dish washing machines are generally provided with a feeding device for feeding different additives, a feeding water channel is arranged on the feeding device, and the feeding water channel is communicated with a washing barrel of the electrical equipment. The feeding device is provided with a liquid storage cavity for storing the additive, the liquid storage cavity is communicated with the water feeding and discharging road, and the additive stored in the liquid storage cavity is pumped into the water feeding and discharging road under the action of a suction structure arranged on the water feeding and discharging road. Then, the additive is flushed by the inflow water flowing through the water feeding and discharging channel and then fed into the washing cylinder, so that the additive is fed.

The external device of puting in is adopted in putting in of current washing device more, put in device accessible an adapter structure and put in simultaneously many washing device's washing chamber, this adapter structure have with the inlet of puting in the device intercommunication and at least one with the liquid outlet of the washing chamber intercommunication that corresponds, through selectively opening or closed each liquid outlet, realize selectively the input to many washing device's washing chamber, this adapter structure does not have the detection device who detects the liquid outlet condition of leaking at present, therefore, can not accurately learn the condition of leaking of liquid outlet.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming not enough among the prior art, provides an adapter structure and puts in device, through establishing the chameleon structure in liquid outlet department, when adapter liquid outlet department leaks, the chameleon structure meets the water and produces discolours to reach the purpose that makes the user can accurately learn the condition of leaking of liquid outlet.

In order to solve the technical problem, the utility model adopts the following basic concept:

the utility model provides an adapter structure, including the adapter, the inside cavity vacuole formation of adapter, the cavity has at least one liquid outlet, and liquid outlet department is equipped with the chameleon structure of meeting water discolour.

Furthermore, the adapter is provided with at least one liquid outlet pipeline, the cavity is provided with a transfer cavity and a liquid outlet channel formed by the inner peripheral wall of the liquid outlet pipeline, the liquid outlet channel is provided with a liquid outlet, and the color-changing structure is arranged on the outer peripheral wall of the liquid outlet pipeline.

Furthermore, the liquid outlet pipeline is of a columnar structure, the peripheral wall of the liquid outlet channel radially protrudes to form a circle of limiting bulges, and the color changing structure is arranged on the liquid outlet channel between the limiting bulges and the liquid outlet.

Further, the color-changing structure is a color-changing coating coated on the outer peripheral wall of the liquid outlet pipe.

Further, the coating that discolours is the round setting along liquid outlet pipe's periphery, and discolours coating one end and extends to spacing arch, and the other end extends to the liquid outlet.

Furthermore, a plug capable of opening and closing the liquid outlet is arranged at the liquid outlet, and the plug is connected with the limiting protrusion through a flexible connecting arm.

Furthermore, the plug is of a columnar structure, the peripheral wall of the plug radially protrudes to form a circle of protruding portion, the plug is embedded into the liquid outlet pipeline through the liquid outlet, the end face of the protruding portion abuts against the liquid outlet pipeline, and the protruding portion is connected with the limiting protrusion through the flexible connecting arm.

Further, the adapter is provided with three liquid outlet pipelines, the three liquid outlet pipelines are arranged along the periphery of the transfer cavity, and included angles between the two liquid outlet pipelines and the other liquid outlet pipeline arranged between the two liquid outlet pipelines are respectively 90 degrees.

Further, the adapter still has a feed liquor pipeline, and the cavity still has the feed liquor channel that the interior periphery wall of feed liquor pipeline formed, and feed liquor channel has the inlet, and four pipelines are the round setting along the periphery in transfer chamber, and the contained angle between two adjacent pipelines is 90.

The utility model also provides a put in device, including detergent box, input pipeline and water intake pipe, the detergent box is through putting in pipeline and water intake pipe intercommunication, still includes the adapter structure that above-mentioned technical scheme provided, water intake pipe's liquid outlet and cavity intercommunication.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. Whether the liquid outlet is blocked by the plug is detected by the detection device, so that a user can accurately know the blocking condition of the liquid outlet, and the throwing condition of the throwing device can be accurately known.

2. The water leakage condition of the assembly position of the water inlet pipeline and the adapter is detected through the detection device, and a user can accurately know the water leakage condition of the assembly position of the water inlet pipeline and the adapter.

3. Through establishing the chameleon structure in liquid outlet department, when adapter liquid outlet department leaked, the chameleon structure met water and produced discoloudly to make the user can accurately learn the condition of leaking of liquid outlet.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of an adapter structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a delivery device provided by the embodiment of the present invention.

Icon: 1-an adapter; 11-a cavity; 111-a transit cavity; 12-a liquid outlet pipeline; 121-a liquid outlet; 122-a limit protrusion; 13-a liquid inlet pipeline; 131-a liquid inlet; 2-a first detection device; 21-a photoelectric switch; 3-plug; 31-plugging the area; 311-axial end face; 32-a projection; 33-a flexible linker arm; 4-a color-changing structure; 41-color changing coating; 5-a throwing device; 51-a housing; 52-a feeding pipeline; 521-a throwing pump; 53-water inlet pipe; 531-a plug-in part; 54-detergent box; 6-second detection means.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides an adapter structure, including adapter 1, the inside cavity vacuole formation 11 of adapter 1, cavity 11 have at least one liquid outlet 121, but every liquid outlet 121 department establishes the end cap 3 of shutoff liquid outlet 121, establishes detection device on the end cap 3 for whether shutoff liquid outlet 121 is blocked to detection end cap 3.

The embodiment of the utility model provides an in, detect whether shutoff liquid outlet 121 of end cap 3 through detection device, the user can accurately learn the shutoff circumstances of liquid outlet 121 to can accurately learn the input circumstances of input device 5. The detection device for detecting whether the plug 3 blocks the liquid outlet 121 is a first detection device 2;

the cavity 11 has at least one liquid outlet 121, that is, the cavity 11 has one liquid outlet 121, or the cavity 11 has a plurality of liquid outlets 121, the plug 3 plugs the liquid outlet 121 when the liquid outlet 121 is not discharging liquid, and the plug 3 opens the liquid outlet 121 when the liquid outlet 121 is discharging liquid;

the adapter 1 structure is used for a feeding device 5 for feeding detergent, the feeding device 5 comprises a detergent box 54, a feeding pipeline 52 and a water inlet pipeline 53, the detergent box 54 is communicated with the water inlet pipeline 53 through the feeding pipeline 52, and a liquid outlet 121 of the water inlet pipeline 53 is communicated with the cavity 11;

as shown in fig. 2, specifically, the dispensing device 5 further includes a housing 51, a plurality of detergent boxes 54, a plurality of dispensing pipes 52, one water inlet pipe 53, all detergent boxes 54 disposed outside the housing 51, all dispensing pipes 52 disposed inside the detergent boxes 54, the water inlet pipe 53 entering the housing 51 from one side of the housing 51 and penetrating out of the housing 51 from the other side of the housing 51, the water inlet pipe 53 being U-shaped and including a first vertical short and horizontal section having a liquid inlet 131 and a second vertical section having a liquid outlet 121, a part of the first vertical section and a part of the second vertical section being inserted into the housing 51, the horizontal section being disposed in the housing 51, and the second vertical section exposed out of the housing 51 being used as an inserting part 531;

furthermore, the number of the feeding pipelines 52 is three, the three feeding pipelines 52 are arranged side by side, the liquid outlets 121 of the three feeding pipelines 52 are respectively communicated with the horizontal sections, a feeding pump 521 is connected in series on the middle feeding pipeline 52, a feeding pump 521 is connected in series on each of the two feeding pipelines 52 on both sides, the span of the liquid inlets 131 of the three feeding pipelines 52 is larger than that of the liquid outlets 121, so that the detergent fed by the three feeding pipelines 52 is repeatedly mixed with the water inlet of the water inlet pipeline 53, the middle feeding pipeline 52 extends vertically, the feeding pipelines 52 on both sides respectively comprise a first vertical section, a second vertical section and an inclined section, the first vertical section is located at the upstream of the second vertical section, the inclined section is located between the two vertical sections, the second vertical section is close to the middle feeding pipeline 52, and the span of the liquid inlets 131 of the three liquid outlets 52 is larger than that of the liquid outlets 121.

Furthermore, the housing 51 is provided with a positioning groove adapted to each detergent box 54, and one side of the detergent box 54 for discharging the liquid is embedded in the positioning groove.

As shown in fig. 1, further, the cavity 11 of the adapter 1 has an inlet 131, and when the plug 3 blocks one of the outlets 121, the liquid entering the cavity 11 from the inlet 131 cannot be discharged through the outlet 121; a liquid outlet 121 of the water inlet pipeline 53 is communicated with the cavity 11 through a liquid inlet 131 of the adapter 1; specifically, the adapter 1 is provided with a liquid inlet pipe 13, a water inlet channel is formed inside the liquid inlet pipe 13, the cavity 11 comprises a transfer cavity 111 and a water inlet channel communicated with the transfer cavity 111, and the insertion part 531 is inserted into the water inlet channel through the liquid inlet 131;

the adapter 1 is provided with at least one liquid outlet pipeline 12, the cavity 11 is provided with a liquid outlet channel formed by the inner periphery of the liquid outlet pipeline 12 in a closed mode, the liquid outlet channel is provided with a liquid outlet 121, the cavity 11 is provided with at least one liquid outlet 121, and each liquid outlet 121 is communicated with a washing cavity of one washing device, so that one putting device 5 with the adapter 1 can put detergent into the washing cavities of a plurality of washing devices at the same time; the washing device can be a dishwasher or a washing machine.

Preferably, the adapter 1 has three outlet pipes 12, the three outlet pipes 12 are disposed along the periphery of the transfer cavity 111, and the included angles between the two outlet pipes 12 and the other outlet pipe 12 disposed between the two outlet pipes 12 are 90 degrees respectively.

Preferably, the adapter 1 further has a liquid inlet pipe 13, the cavity 11 further has a liquid inlet channel formed by the inner peripheral wall of the liquid inlet pipe 13, the liquid inlet channel has a liquid inlet 131, the four pipes are arranged in a circle along the outer periphery of the transfer cavity 111, and the included angle between two adjacent pipes is 90 degrees;

when liquid is fed, liquid enters the transfer cavity 111 from the liquid inlet 131 of the liquid inlet channel, the transfer cavity 111 serves as a transition cavity, liquid is fed into the three liquid outlet channels through the transfer cavity 111, and finally the liquid enters the washing cavities of the corresponding washing devices from the liquid outlets 121 of the liquid outlet channels;

the four pipelines are arranged in a circle along the periphery of the transfer cavity 111, so that the liquid inlet pipeline 13 and the three liquid outlet pipelines 12 are positioned on the same horizontal plane, and the transfer cavity 111 can distribute liquid into the liquid outlet channels conveniently; the included angle between two adjacent pipelines is 90 degrees, so that the liquid can be uniformly distributed into each liquid outlet channel, and the liquid inlet amount in the washing cavity of each washing device is basically the same.

The embodiment of the utility model provides an in, detection device is photoelectric switch 21, and photoelectric switch 21 locates that end cap 3 can be opened along with liquid outlet 121, the shutoff is shielded on the position.

In an embodiment of the present invention, specifically, at least a portion of the plug 3 can be inserted into the liquid outlet channel through the liquid outlet 121, the photoelectric switch 21 is disposed on the plug 3 inserted into the liquid outlet channel, the plug 3 capable of being inserted into the liquid outlet channel is shielded when the liquid outlet 121 is sealed, and is opened when the liquid outlet 121 is opened, the plug 3 inserted into the liquid outlet channel forms a sealing area 31, and the photoelectric switch 21 can be disposed on the sealing area 31;

further specifically, as shown in fig. 1, the plug 3 is a columnar structure, when the plug 3 plugs the liquid outlet 121, an outer peripheral wall of the plug 3 is tightly attached to an inner peripheral wall of the liquid outlet channel, so as to plug the liquid outlet 121 by the plug 3, and in order to make a difference between light intensity received by the electrical switch when the plug 3 plugs the liquid outlet 121 and light intensity received by the plug 3 when the liquid outlet 121 is opened be large, detection accuracy of the electrical switch is improved, and then, preferably, the electrical switch 21 is disposed on an axial end surface 311 of the plug 3 inserted into the liquid outlet channel.

On the basis, the outer peripheral wall of the plug 3 radially protrudes to form a circle of protruding part 32, the sum of the radial size of the plug 3 and the radial size of the protruding part 32 is larger than the inner diameter of the liquid outlet channel, and the protruding part 32 is connected with the adapter 1 through a flexible connecting arm 33.

The outer peripheral wall of the plug 3 radially protrudes to form a circle of protruding part 32, when the liquid outlet 121 is blocked, the plug 3 is completely inserted into the liquid outlet channel, the protruding part 32 is attached to the end surface of the liquid outlet pipeline 12, the sum of the radial size of the plug 3 and the radial size of the protruding part 32 is larger than the inner diameter of the liquid outlet channel, so that the gap between the outer peripheral wall of the plug 3 and the inner peripheral wall of the liquid outlet channel is sealed, the blocking strength of the liquid outlet 121 is further increased, and further,

as shown in fig. 1, the protruding portion 32 is connected to the adapter 1 through the flexible connecting arm 33, so that the plug 3 is still connected to the adapter 1 after the liquid outlet 121 is opened, and the plug 3 is prevented from being placed randomly, so that the photoelectric switch 21 on the plug 3 cannot receive light intensity after the liquid outlet 121 is opened by the plug 3; the flexible connecting arm 33 ensures that the plug 3 can rotate at any angle, and does not limit the position of the plug 3 after the liquid outlet 121 is opened.

When the liquid outlet 121 is blocked by the plug 3, the photoelectric switch 21 is shielded and hardly or cannot be irradiated by external light, and when the liquid outlet 121 is opened by the plug 3, the intensity of light irradiated to the photoelectric switch 21 is greater than that of light irradiated to the liquid outlet 121 blocked by the plug 3.

The power-off switch is connected with a controller of the feeding device 5, the feeding pump 521 of the feeding device 5 is connected with the controller, the power-off switch sends different signals to the controller according to different light intensities, and the controller controls whether the feeding pump 521 is started or not according to the intensity of the signals, so that whether the feeding device 5 feeds detergent into a washing cavity of the washing device or not is realized.

Further, a detection signal of the liquid outlet 121 is obtained, and if the detection signal intensity of the liquid outlet 121 is greater than or equal to the preset signal intensity of the feeding device 5, the plug 3 does not block the liquid outlet 121. The stronger the detection signal intensity is, the stronger the intensity of the light irradiated by the photoelectric switch 21 is, so as to indicate that the liquid outlet 121 is not blocked by the plug 3;

if the signal intensity of liquid outlet 121 is greater than or equal to the preset signal intensity of putting in device 5, then end cap 3 does not block off liquid outlet 121, putting in device 5 can put in the detergent to washing device's washing intracavity, if the signal intensity of liquid outlet 121 is less than the preset signal intensity of putting in device 5, then end cap 3 blocks off liquid outlet 121, putting in device 5 can not put in the detergent to washing device's washing intracavity, through comparing the detection signal intensity with liquid outlet 121 with preset signal intensity, can improve the accuracy of judging whether end cap 3 blocks off liquid outlet 121.

The cavity 11 is provided with three liquid outlets 121, so that the feeding device 5 feeds the detergent into the washing cavities of the three washing devices simultaneously under the condition that the three liquid outlets 121 are not blocked; if one of the liquid outlets 121 is blocked and the other two liquid outlets 121 are not blocked, the feeding device 5 respectively feeds the washing agents into the washing cavities of the two washing devices through the two liquid outlets 121; by detecting the condition that the plug 3 blocks the liquid outlet 121, the throwing condition of the throwing device 5 can be clearly known.

Further, if the liquid outlet 121 is not blocked and the intensity of the detection signal of the liquid outlet 121 is consistent with the preset signal intensity fed back by the corresponding washing device, the dispensing device 5 may dispense the washing agent into the washing cavity through the liquid outlet 121, in order to further accurately know whether the dispensing device 5 can dispense the washing agent into the washing cavity through the liquid outlet 121, on the basis of determining that the liquid outlet 121 is not blocked, the intensity of the detection signal of the liquid outlet 121 is further compared with the preset signal intensity fed back by the corresponding washing device, and if the intensities of the two are consistent, the dispensing device 5 may dispense the washing agent into the washing cavity through the liquid outlet 121; if the intensity of the detergent and the liquid is not consistent, the feeding device 5 can not feed the detergent into the washing cavity through the liquid outlet 121; when the intensity of the detection signal of the liquid outlet 121 is inconsistent with the preset signal intensity fed back by the washing device, even if the liquid outlet 121 is not blocked, the washing device cannot put the detergent into the washing cavity of the washing device, and at this time, the washing device may perform a dehydration process and the like.

As shown in fig. 2, in the embodiment of the present invention, the adapter 1 is installed to the liquid outlet 121 of the water inlet pipeline 53, and the putting device 5 further includes a detection device for detecting the water leakage condition of the assembly of the water inlet pipeline 53 and the adapter 1.

In the embodiment of the utility model, the water leakage condition of the assembly of the water inlet pipeline 53 and the adapter 1 is detected by the detection device, so that a user can accurately know the water leakage condition of the assembly of the water inlet pipeline 53 and the adapter 1; the detection device for detecting the water leakage condition of the assembly of the water inlet pipeline 53 and the adapter 1 is the second detection device 6.

Specifically, in the grafting portion 531 of inlet pipe 53 liquid outlet 121 inserted the cavity 11 of adapter 1, detection device located on grafting portion 531, further, in grafting portion 531 inserted the inlet channel through inlet 131 of adapter 1, preferably, detection device located on grafting portion 531 of liquid outlet 121 department, improved detection device and detected the detection precision that the assembly department leaked.

The detection device is a pressure sensor for detecting the liquid pressure at the assembly position of the water inlet pipeline 53 and the adapter 1 or a flow sensor for detecting the liquid flow at the assembly position of the water inlet pipeline 53 and the adapter 1.

Further, when the detection device is a pressure sensor, the liquid inlet pressure value of the assembly position is detected, the actual liquid inlet pressure value is obtained, and if the actual liquid inlet pressure value is larger than or equal to the set pressure value, the assembly position is watertight.

And if the actual liquid inlet pressure value is smaller than the set pressure value, acquiring a pressure difference value between the set pressure value and the actual liquid inlet pressure value, if the pressure difference value is larger than or equal to the set pressure difference value, the assembly position is watertight, and if the pressure difference value is smaller than the set pressure difference value, the assembly position is watertight.

When the detection device is a flow sensor, the liquid inlet flow value of the assembly position is detected to obtain an actual liquid inlet flow value, and if the actual liquid inlet flow value is larger than the set flow value and smaller than the maximum set flow value, the assembly position is watertight.

And detecting the liquid inlet flow values of the assembly at two time points to obtain a flow difference value between the two liquid inlet flow values, wherein if the flow difference value is greater than or equal to a set flow difference value, the assembly does not leak water, and if the flow difference value is smaller than the set flow difference value, the assembly leaks water.

Further, an extra flow sensor is arranged at each liquid outlet 121, the cavity 11 of the adapter 1 is provided with three liquid outlets 121 and one liquid inlet 131, if none of the three liquid outlets 121 is blocked, the flow sensor detects the liquid inlet flow of the liquid inlet 131, the extra flow sensor detects the liquid outlet flow of the corresponding liquid outlet 121, and if the sum of the three liquid outlet flows is smaller than the liquid inlet flow, water leaks from the assembly position;

and if the actual liquid inlet flow value is smaller than the set flow value or the actual liquid inlet flow value is larger than the maximum set flow value, the assembly part leaks water.

As shown in fig. 1, in the embodiment of the present invention, the liquid outlet 121 of the cavity 11 is provided with a color-changing structure 4 changing color when meeting water.

The embodiment of the utility model provides an in, through establishing chameleon 4 in liquid outlet 121 department, when adapter 1 liquid outlet 121 department leaked, chameleon 4 met water and produced discolour to make the user can accurately learn the condition of leaking of liquid outlet 121.

Specifically, the color changing structure 4 is provided on the outer peripheral wall of the liquid outlet pipe 12.

Further, the liquid outlet pipe 12 is a columnar structure, the outer peripheral wall of the liquid outlet channel radially protrudes to form a circle of limiting protrusion 122, and the color changing structure 4 is arranged on the liquid outlet channel between the limiting protrusion 122 and the liquid outlet 121. The color-changing structure 4 is a color-changing coating 41 coated on the outer peripheral wall of the liquid outlet pipe 12, the color-changing coating 41 is arranged in a circle along the outer periphery of the liquid outlet pipe 12, one end of the color-changing coating 41 extends to the limiting protrusion 122, and the other end extends to the liquid outlet 121; the limiting protrusion 122 is connected to the protrusion 32 via a flexible connecting arm 33.

The liquid outlet 121 of the liquid outlet pipe 12 is communicated with a washing cavity of the washing device through a pipeline, the liquid inlet of the pipeline is sleeved on the outer peripheral wall of the liquid outlet pipe 12 between the limiting protrusion 122 and the liquid outlet 121, and the limiting protrusion 122 is used for limiting the position of the pipeline, so that the pipeline is prevented from being excessively sleeved on the liquid outlet pipe and being not beneficial to the disassembly of the pipeline; in addition, the peripheral wall of the liquid inlet pipeline is also provided with a limiting bulge.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims (10)

1. The utility model provides an adapter structure, includes the adapter, the inside cavity vacuole formation of adapter, and the cavity has at least one liquid outlet, its characterized in that, liquid outlet department are equipped with the chameleon structure of meeting water discolour.

2. The adapter structure according to claim 1, wherein the adapter has at least one outlet conduit, the cavity has a central lumen and an outlet channel defined by an inner peripheral wall of the outlet conduit, the outlet channel has an outlet, and the color-changing structure is provided on an outer peripheral wall of the outlet conduit.

3. The adapter structure according to claim 2, wherein the liquid outlet pipe is a cylindrical structure, the outer peripheral wall of the liquid outlet channel radially protrudes to form a circle of limiting protrusions, and a color changing structure is arranged on the liquid outlet channel between the limiting protrusions and the liquid outlet.

4. The adapter structure according to claim 3, wherein the color changing structure is a color changing coating applied to the outer peripheral wall of the liquid outlet pipe.

5. The adapter structure of claim 4, wherein the color-changing coating is disposed around the periphery of the liquid outlet pipe, and one end of the color-changing coating extends to the limiting protrusion and the other end extends to the liquid outlet.

6. The adapter structure according to claim 3, wherein a plug for opening and closing the liquid outlet is provided at the liquid outlet, and the plug is connected to the limiting protrusion via a flexible connecting arm.

7. The adapter structure according to claim 6, wherein the plug is a cylindrical structure, the outer peripheral wall of the plug radially protrudes to form a circle of protrusion, the plug is embedded into the liquid outlet pipe through the liquid outlet, the end face of the protrusion abuts against the liquid outlet pipe, and the protrusion is connected with the limiting protrusion through a flexible connecting arm.

8. An adapter structure according to any one of claims 2-7, wherein the adapter has three outlet conduits, the three outlet conduits being arranged along the periphery of the transfer chamber, the two outlet conduits being at respective 90 ° angles to the other outlet conduit arranged between the two outlet conduits.

9. The adapter structure according to claim 8, wherein the adapter further comprises a liquid inlet channel, the cavity further comprises a liquid inlet channel formed by an inner peripheral wall of the liquid inlet channel, the liquid inlet channel comprises a liquid inlet, four channels are arranged in a circle along an outer periphery of the transfer cavity, and an included angle between two adjacent channels is 90 °.

10. A dispensing device comprises a detergent box, a dispensing pipeline and a water inlet pipeline, wherein the detergent box is communicated with the water inlet pipeline through the dispensing pipeline, the dispensing device is characterized by further comprising an adapter structure according to any one of claims 1-9, and a liquid outlet of the water inlet pipeline is communicated with a cavity.

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