CN117530606A

CN117530606A - Channel switching device, seasoning throwing device and cooking utensil

Info

Publication number: CN117530606A
Application number: CN202310914017.7A
Authority: CN
Inventors: 胡伟; 林鹏超
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-09

Abstract

The invention provides a channel switching device, a seasoning throwing device and a cooking utensil, wherein the channel switching device comprises: the air inlet is arranged on the shell and is used for being connected with an outlet of the pump body; the plurality of through holes are arranged on the shell at intervals; the air outlet is arranged on the shell and is connected with the inlet of the pump body; the ventilation hole is arranged on the shell; the rotating piece is rotatably arranged in the shell; the first conduction groove is arranged on the rotating piece, and when the rotating piece rotates, the first conduction groove communicates the air outlet hole with one of the plurality of conduction holes, or the first conduction groove communicates the air outlet hole with the air vent hole; the second conduction groove is arranged on the rotating piece, and when the rotating piece rotates, the second conduction groove can selectively communicate the air inlet hole with one of the plurality of conduction holes or communicate the air inlet hole with the air vent. The technical scheme of the application effectively solves the problem that the channel switching valve in the related technology can only realize the channel switching function, so that the function is single.

Description

Channel switching device, seasoning throwing device and cooking utensil

Technical Field

The invention relates to the technical field of cooking appliances, in particular to a channel switching device, a seasoning throwing device and a cooking appliance.

Background

The automatic cooking utensil generally comprises an automatic frying pan and a seasoning adding device, wherein the automatic frying pan has the functions of stir-frying, heating, temperature control and the like, and the seasoning adding device can be used for adding various seasonings required by cooking, so that the operation of a user is simpler and more convenient.

In the related art, the seasoning adding device generally includes a plurality of material bottles and a discharging device disposed in one-to-one correspondence with the plurality of material bottles. The discharging device is provided with a channel switching valve which is selectively communicated with one of the material bottles, so that the seasonings in the material bottles can flow out. However, the channel switching valve can only be communicated with different containers, and the seasonings in the different containers can flow out under the action of the air pump, and a vacuum pump is required to be arranged separately in order to realize the pumping of the seasonings from the channel back into the containers.

Disclosure of Invention

The invention mainly aims to provide a channel switching device, a seasoning throwing device and a cooking utensil, so as to solve the problem that the channel switching valve in the related art has single function because the channel switching valve can only realize the channel switching function.

In order to achieve the above object, according to one aspect of the present invention, there is provided a channel switching device comprising: a housing; the air inlet is arranged on the shell and is used for being connected with an outlet of the pump body; a plurality of through holes arranged on the shell at intervals; the air outlet hole is arranged on the shell and is connected with the inlet of the pump body; the ventilation hole is arranged on the shell; the rotating piece is rotatably arranged in the shell; the first conduction groove is arranged on the rotating piece, and when the rotating piece rotates, the first conduction groove communicates the air outlet hole with one of the plurality of conduction holes, or the first conduction groove communicates the air outlet hole with the air vent hole; the second conduction groove is arranged on the rotating piece, and when the rotating piece rotates, the second conduction groove can selectively communicate the air inlet hole with one of the plurality of conduction holes or communicate the air inlet hole with the air vent; the rotating piece rotates to enable the channel switching device to have a first state and a second state, when the channel switching device is in the first state, the first conducting groove is communicated with one of the air outlet hole and the plurality of conducting holes, the second conducting groove is communicated with the air inlet hole and the air vent, and when the channel switching device is in the second state, the first conducting groove is communicated with the air outlet hole and the air vent, and the second conducting groove is communicated with one of the air inlet hole and the plurality of conducting holes.

By applying the technical scheme of the invention, the shell is provided with the air inlet hole, the plurality of through holes, the air outlet hole and the air vent, the air inlet hole is connected with the outlet of the pump body, the air outlet hole is connected with the inlet of the pump body, and the rotatable rotating part is arranged in the shell. The rotary piece is provided with a first conduction groove and a second conduction groove, when the rotary piece rotates, the first conduction groove communicates the air outlet hole with one of the plurality of conduction holes, or the first conduction groove communicates the air outlet hole with the air vent, the second conduction groove selectively communicates the air inlet hole with one of the plurality of conduction holes or the air vent, the second conduction groove has a first state and a second state, and when the second conduction groove is in the first state, the air outlet hole is communicated with the air vent through the first conduction groove; when the second conducting groove is in the second state, the air outlet hole is communicated with one of the conducting holes through the first conducting groove. Through the arrangement, the air inlet hole is connected with the outlet of the pump body, so that the pump body can input gas into the shell through the air inlet hole through the outlet. The through holes enable gas to flow into the housing or gas to flow out of the housing. The gas outlet hole is connected with the inlet of the pump body, so that gas can flow. The rotating member is rotatably arranged in the shell, and the rotation of the rotating member enables the channel switching device to be switched between a first state and a second state, and also enables the first conduction groove to be communicated with one of the conduction holes or the ventilation hole. And the first conducting groove enables the inside of the shell to be communicated with the pump body through the air outlet, and then air in the shell can flow out through the air outlet. The second through-hole groove enables the air intake hole to communicate with one of the through-holes or with the ventilation hole. When the air outlet hole is communicated with the air vent hole through the first conduction groove, the channel switching device is in a first state, and when the air outlet hole is communicated with one of the conduction holes through the first conduction groove, the channel switching device is in a second state, so that the channel switching valve can realize switching of the air inlet direction and the air outlet direction besides the channel switching function. Therefore, the technical scheme effectively solves the problem that the channel switching valve in the related technology can only realize the channel switching function, so that the function is single.

Further, the air inlet hole, the through hole, the air outlet hole and the air exchanging hole are all arranged on the end face of the first end of the shell. The arrangement makes the communication of the air inlet hole, the through hole, the air outlet hole and the air vent and the rotating piece simpler and more convenient, is convenient for the use of the channel switching device, and simultaneously, the arrangement on the end face can make the processing easier.

Further, the first conducting groove comprises a first groove section and a second groove section, the first groove section is communicated with the air outlet hole, the second groove section is communicated with the first groove section, and when the rotating piece rotates, the second groove section is communicated with the first groove section and one of the plurality of conducting holes, or the second groove section is communicated with the first groove section and the air vent hole; and/or, the second conducting groove comprises a third groove section and a fourth groove section, the third groove section is communicated with the air inlet hole, the fourth groove section is communicated with the third groove section, and when the rotating piece rotates, the fourth groove section is communicated with the third groove section and one of the plurality of conducting holes, or the fourth groove section is communicated with the third groove section and the air vent hole. The arrangement of the first groove section and the second groove section can enable the air outlet to be communicated with the air vent, or enable the air outlet to be communicated with one of the plurality of through holes, and likewise, the third groove section and the fourth groove section can enable the air outlet to be communicated with the air vent, so that the overall structure is simpler and more convenient to set.

Further, at least one of the air outlet hole and the air inlet hole is an arc-shaped hole; or, the air outlet hole and the air inlet hole are round holes, and at least one of the first conduction groove and the second conduction groove comprises an arc-shaped groove. The arrangement can ensure conduction, and then can realize inflation in the container and air suction in the container.

Further, the first groove section is an annular groove; and/or the third groove section is an annular groove. The arrangement can ensure the communication with the ventilation holes or the air inlet holes.

Further, the two ends of the notch of the second conducting groove comprise a first semicircle and a second semicircle, the diameter of the first semicircle is larger than that of the air inlet hole, and the diameter of the second semicircle is larger than that of the conducting hole. The arrangement ensures that the first semicircle can completely cover the air inlet hole, the second semicircle can completely cover the through hole, and the second through groove can be communicated with the air inlet hole and the through hole.

Further, the diameter D1 of the first semicircle and the diameter D2 of the air intake hole satisfy: d1 More than or equal to D2+2.0mm; the diameter D3 of the second semicircle and the diameter D4 of the via hole satisfy the following conditions: d3 And D4+1.5mm. The arrangement ensures that the first semicircle and the second semicircle can still cover the air inlet hole and the through hole under the condition of assembly errors, thereby being capable of reducing the assembly difficulty of the channel switching device and reducing the manufacturing cost of the channel switching device.

Further, the number of the vent holes is multiple, and one vent hole is arranged between any two adjacent via holes. The arrangement enables the second conduction groove to be communicated with the conduction hole or the ventilation hole by rotating the rotating piece by a small angle when the second conduction groove is switched between the air inlet state and the air outlet state.

Further, the plurality of through holes and the ventilation holes are all positioned at the outer side of the air inlet, and the air outlet is positioned at one side of the through holes away from the air inlet; and/or the plurality of through holes and the ventilation holes are arranged around the periphery of the air inlet hole; and/or the plurality of ventilation holes, the plurality of via holes and the plurality of ventilation holes are arranged at equal intervals. The plurality of through holes and the ventilation holes are positioned at the outer sides of the air inlet holes, so that the second conducting grooves and the second groove sections are communicated with the through holes or the ventilation holes respectively. The air outlet hole is located one side of the via hole away from the air inlet hole, so that the air outlet hole and the air inlet hole are connected with the inlet and the outlet of the pump body respectively, and the second groove section is not influenced by the connection of the pump body and the shell. The rotating piece only needs to rotate in the shell for a certain angle, and the second conducting groove and the second groove section are respectively communicated with the conducting hole or the ventilation hole, so that the whole structure is regular. The ventilation holes are multiple, so that the rotating angle of the rotating piece can be reduced when the second conduction groove is switched between the air inlet state and the air outlet state. The through holes and the ventilation holes are arranged at equal intervals, so that when the second through grooves are switched between the air inlet state and the air outlet state, the rotating angles of the rotating parts are the same every time, the friction consumption of the rotating parts and the shell can be reduced, and the service life of the channel switching device can be prolonged.

Further, the first groove section is an annular groove, and the second conduction groove and the second groove section are both positioned in the annular groove. The first groove section is the setting of ring channel for the inside intercommunication of the air inlet of casing and the pump body is not influenced by the rotation of rotating the piece, and the ring channel makes the air inlet of the pump body can communicate through venthole and casing inside all the time promptly. The second conduction groove and the second groove section are located in the annular groove, so that the conduction hole and the ventilation hole can be respectively communicated with the second conduction groove and the second groove section.

Further, the channel switching device further comprises a contact disc, the contact disc is arranged in the shell and in butt fit with the rotating piece, a first matching hole, a plurality of second matching holes, a third matching hole and a fourth matching hole are formed in the contact disc, the first matching hole is correspondingly arranged with the air inlet hole, the plurality of second matching holes are correspondingly arranged with the plurality of through holes one by one, the third matching hole is correspondingly arranged with the air outlet hole, and the fourth matching hole is correspondingly arranged with the air exchanging hole; the rotating member includes a rotating disc, and at least one of a side of the rotating disc facing the contact disc and a side of the contact disc facing the rotating disc is a smooth surface. The arrangement of the contact disc makes the rotation of the rotating member easier. The first matching hole, the second matching holes, the third matching holes and the fourth matching holes are arranged, so that the first conducting groove can be communicated with the air outlet hole, the second conducting groove can be communicated with the air inlet hole and one of the conducting holes or the air exchanging holes, and the second groove section can be communicated with the air inlet hole and one of the conducting holes or the air exchanging holes. At least one of the side of the rotating disc facing the contact disc and the side of the contact disc facing the rotating disc is a smooth surface, so that the relative rotation between the contact disc and the rotating member is smoother.

Further, a positioning column is arranged on the shell, extends towards the inside of the shell, is inserted into the first matching holes and/or is arranged in the plurality of second matching holes, and is provided with through holes; the channel switching device further comprises a plurality of connectors, the connectors are connected with the shell and extend towards the outer side of the shell, and the connectors, the air inlet holes, the plurality of through holes and the air outlet holes are correspondingly arranged. The positioning column enables the relative position between the contact disc and the shell to be fixed, namely, when the rotating piece rotates, the contact disc cannot rotate due to the rotation of the rotating piece. And through holes are formed in the positioning columns, so that the communication effect between the first matching holes and the air inlet holes, the second matching holes and the plurality of guide holes, the third matching holes and the air outlet holes, and the fourth matching holes and the ventilation holes is guaranteed. The connectors are connected with the shell, extend towards the outer side of the shell, are correspondingly arranged with the air inlet holes, the plurality of through holes and the air outlet holes, can be communicated with the outside of the shell, and are further connected with the channel switching device more conveniently.

Further, the channel switching device further comprises a gasket disposed between the first end of the housing and the contact plate, the contact plate and the gasket being in interference fit. The sealing gasket can play a sealing role in the space between the contact disc and the shell, and the situation of air leakage or liquid leakage between the contact disc and the shell is avoided.

Further, the channel switching device further comprises a coupling piece, the coupling piece is connected with the rotating piece, and a part of the coupling piece penetrates through the second end of the shell; the channel switching device further comprises a connecting structure, and the connecting structure is arranged between the rotating piece and the coupling piece so as to enable the rotating piece and the coupling piece to synchronously move. The connecting structure comprises a connecting hole and a connecting block, one of the connecting block and the connecting hole is arranged on one side of the rotating piece, which faces the coupling piece, and the other of the connecting block and the connecting hole is arranged on one side of the coupling piece, which faces the rotating piece. The coupling member enables the rotation member to rotate, and a portion of the coupling member is structured to be coupled with the second end of the housing such that the driving member is connectable with the coupling member. The connecting structure enables the relative position between the rotating piece and the coupling piece in the circumferential direction to be fixed, and therefore when the rotating piece rotates, the rotating piece and the coupling piece cannot rotate relatively. The arrangement of the connecting holes and the connecting blocks ensures that the connecting structure between the rotating piece and the coupling piece is simpler, and the coupling piece and the rotating piece are convenient to connect.

Further, the housing includes a case and a cover detachably mounted on the case, and the rotating member is disposed between the case and the cover. The channel switching device further comprises a driving piece and a position detection device, wherein the driving piece is in driving connection with the rotating piece, and the position detection device is connected with the driving piece. The shell and the cover body can protect the structure arranged in the shell from external damage. The cover body is detachably arranged on the shell, so that the maintenance of the structure in the shell is facilitated. The driving piece enables the coupling piece to rotate, and then enables the rotating piece connected with the coupling piece to rotate. The position detection device can record the rotation angle of the rotating piece, so that the second conducting groove can be selectively switched between an air inlet state and an air outlet state.

According to a second aspect of the present invention, there is provided a seasoning dispensing apparatus comprising a channel switching apparatus as described above. The channel switching device is rotated by the rotating piece, so that the second conduction groove can be respectively communicated with the conduction holes or the ventilation holes, namely, the second conduction groove can be switched between the air inlet state and the air outlet state, and the functions of the channel switching device are richer. The seasoning throwing device with the channel switching device also has the advantages.

According to a third aspect of the present invention, there is provided a cooking appliance comprising a seasoning dispensing device, the seasoning dispensing device being the seasoning dispensing device described above. The channel switching device of the seasoning throwing device is rotated by the rotating piece, so that the second conduction groove can be respectively communicated with the conduction holes or the ventilation holes, namely, the second conduction groove can be switched between the air inlet state and the air outlet state, the functions of the channel switching device are richer, and the functions of the seasoning throwing device are richer. The cooking appliance with the seasoning throwing device also has the advantages.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and 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. In the drawings:

Fig. 1 shows an exploded structural schematic view of a housing of an embodiment of a channel switching device according to the present invention;

fig. 2 is a schematic perspective view showing the channel switching device of fig. 1;

fig. 3 shows a schematic perspective view of the housing of fig. 1;

FIG. 4 shows a schematic cross-sectional view of the housing of FIG. 3;

fig. 5 shows a schematic perspective view of the coupling of fig. 1;

FIG. 6 shows a schematic perspective view of the rotor of FIG. 1;

FIG. 7 shows a schematic front view of the rotating member of FIG. 6;

FIG. 8 shows a schematic left view of the housing of FIG. 3;

FIG. 9 shows a second arrangement of the through holes and the air intake holes of the channel switching device of FIG. 8;

fig. 10 shows a third arrangement of the through holes and the air intake holes of the channel switching device of fig. 8;

FIG. 11 shows a fourth arrangement of the through holes and the air intake holes of the channel switching device of FIG. 8;

FIG. 12 is a schematic view showing the structure of the channel switching device of FIG. 1 in a first state;

fig. 13 shows a schematic structural view of the channel switching device of fig. 1 in a second state.

Wherein the above figures include the following reference numerals:

10. a housing; 11. positioning columns; 12. a housing; 13. a cover body; 20. an air inlet hole; 30. a pump body; 40. a via hole; 50. an air outlet hole; 60. an air vent; 70. a rotating member; 71. a rotating disc; 80. a first conduction groove; 81. a first trough section; 82. a second trough section; 90. a second conduction groove; 91. a first semicircle; 92. a second semicircle; the method comprises the steps of carrying out a first treatment on the surface of the 100. A contact plate; 101. a first mating hole; 102. a second mating hole; 103. a third mating hole; 104. a fourth mating hole; 110. a joint; 111. a via hole; 120. a sealing gasket; 130. a coupling member; 140. a connection structure; 141. a connection hole; 142. a connecting block; 150. a driving member; 160. a position detecting device.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1, 2, 12 and 13, in the present embodiment, the channel switching device includes: the air intake device comprises a housing 10, an air intake hole 20, a plurality of through holes 40, an air outlet hole 50, an air vent 60, a rotating member 70, a first through groove 80 and a second through groove 90. The intake hole 20 is provided on the housing 10 and is adapted to be connected to an outlet of the pump body 30. A plurality of through holes 40 are provided on the housing 10 at intervals. The air outlet hole 50 is arranged on the shell 10, and the air outlet hole 50 is connected with the inlet of the pump body 30. The ventilation hole 60 is provided in the housing 10. The rotation member 70 is rotatably provided inside the housing 10. The first conduction groove 80 is provided on the rotating member 70, and when the rotating member 70 rotates, the first conduction groove 80 communicates the gas outlet hole 50 with one of the plurality of conduction holes 40, or the first conduction groove 80 communicates the gas outlet hole 50 with the ventilation hole 60. The second through-passage groove 90 is provided on the rotary member 70, and the second through-passage groove 90 selectively communicates the intake hole 20 with one of the plurality of through-holes 40 or with the ventilation hole 60 when the rotary member 70 rotates. Wherein the rotary member 70 rotates to make the channel switching device have a first state and a second state, when the channel switching device is in the first state, the first conduction groove 80 communicates with the air outlet hole 50 and one of the plurality of conduction holes 40, the second conduction groove 90 communicates with the air inlet hole 20 and the air vent 60, and when the channel switching device is in the second state, the first conduction groove 80 communicates with the air outlet hole 50 and the air vent 60, and the second conduction groove 90 communicates with the air inlet hole 20 and one of the plurality of conduction holes 40.

By applying the technical scheme of the embodiment, an air inlet hole 20, a plurality of through holes 40, an air outlet hole 50 and an air vent 60 are arranged on a shell 10, the air inlet hole 20 is connected with an outlet of a pump body 30, the air outlet hole 50 is connected with an inlet of the pump body 30, and a rotatable rotating piece 70 is arranged inside the shell 10. The rotating member 70 is provided with a first conducting groove 80 and a second conducting groove 90, when the rotating member 70 rotates, the first conducting groove 80 communicates the air outlet hole 50 with one of the plurality of conducting holes 40, or the first conducting groove 80 communicates the air outlet hole 50 with the air exchanging hole 60, the second conducting groove 90 selectively communicates the air inlet hole 20 with one of the plurality of conducting holes 40 or with the air exchanging hole 60, the second conducting groove 90 has a first state and a second state, and when the second conducting groove 90 is in the first state, the air outlet hole 50 communicates with the air exchanging hole 60 through the first conducting groove 80; when the second conduction groove 90 is in the second state, the gas outlet hole 50 communicates with one of the plurality of conduction holes 40 through the first conduction groove 80. Through the above arrangement, the air intake hole 20 is connected with the outlet of the pump body 30, so that the pump body 30 can input air into the housing 10 through the outlet through the air intake hole 20. The through holes 40 allow gas to flow into the housing 10 or gas to flow out of the housing 10. The gas outlet hole 50 is connected to an inlet of the pump body 30 so that gas can flow. The rotation member 70 is rotatably provided inside the housing 10, and rotation of the rotation member 70 allows the passage switching means to be switched between the first state and the second state, and also allows the first conduction groove 80 to communicate with one of the conduction holes 40 or the ventilation hole 60. And the first conduction groove 80 enables the inside of the shell 10 to be communicated with the pump body 30 through the air outlet hole 50, so that air in the shell 10 can flow out through the air outlet hole 50. The second through-hole 90 enables the air intake hole 20 to communicate with one of the through-holes 40 or communicate with the ventilation hole 60. When the air outlet hole 50 is communicated with the air exchanging hole 60 through the first conducting groove 80, when the channel switching device is in the first state, when the air outlet hole 50 is communicated with one of the conducting holes 40 through the first conducting groove 80, and when the channel switching device is in the second state, the channel switching valve can realize the air inlet direction and the air outlet direction switching besides the channel switching function. Therefore, the technical scheme of the embodiment effectively solves the problem that the channel switching valve in the related art has single function because the channel switching valve can only realize the channel switching function.

Specifically, the plurality of through holes 40 are located at the side of the air intake hole 20, the air outlet holes 50 are located at the side of the through holes 40 away from the air intake hole 20, and the air outlet holes 50 are located at the side of the through holes 40 away from the air intake hole 20, which indicates that the air outlet holes 50 are not disposed between the through holes 40 and the air intake hole 20.

As shown in fig. 1 to 4, in the present embodiment, the air intake hole 20, the through hole 40, the air outlet hole 50, and the ventilation hole 60 are all provided on the end face of the first end of the housing 10. Through the above arrangement, the air inlet hole 20, the through hole 40, the air outlet hole 50, the ventilation hole 60 and the rotating member 70 are more convenient to communicate, the use of the channel switching device is facilitated, and meanwhile, the arrangement on the end face can enable processing to be easier.

As shown in fig. 1 to 4 and fig. 12 and 13, in the present embodiment, the first conduction groove 80 includes a first groove section 81 and a second groove section 82, the first groove section 81 communicates with the gas outlet hole 50, the second groove section 82 communicates with the first groove section 81, and when the rotation member 70 rotates, the second groove section 82 communicates the first groove section 81 with one of the plurality of conduction holes 40, or the second groove section 82 communicates the first groove section 81 with the gas exchange hole 60. The arrangement of the first groove section 81 and the second groove section 82 enables the air outlet 50 to be communicated with the ventilation hole 60, or enables the air outlet 50 to be communicated with one of the plurality of through holes 40, so that the overall structure can be simpler and more convenient to arrange.

Of course, the second conducting groove 90 includes a third groove section and a fourth groove section, the third groove section communicates with the air intake hole 20, the fourth groove section communicates with the third groove section, and when the rotating member 70 rotates, the fourth groove section communicates the third groove section with one of the plurality of conducting holes 40, or the fourth groove section communicates the third groove section with the air intake hole 60. Thus, the air inlet holes can be arranged at the outer sides of the through holes 40 and the ventilation holes 60, so that the conduction is realized.

In an embodiment not shown in the drawings, the first conducting groove is in a shape of a bar, the air outlet hole is in an arc shape, the air vent hole and the conducting holes are multiple and are arranged at intervals, the air inlet hole is also in an arc shape, the air inlet hole and the air outlet hole are arranged oppositely, the air vent hole and the conducting holes are located between the air inlet hole and the air outlet hole, the first conducting groove is communicated with one of the air outlet hole and the air vent hole and the conducting holes, and the second conducting groove is communicated with one of the air inlet hole and the air vent hole and the conducting holes.

At least one of the air outlet holes 50 and the air inlet holes 20 is an arc-shaped hole; alternatively, the air outlet hole 50 and the air inlet hole 20 are circular holes, and at least one of the first and second conductive grooves 80 and 90 includes an arc-shaped groove. The arrangement can ensure conduction, and then can realize inflation in the container and air suction in the container.

The first groove section 81 is an annular groove; the third groove section is an annular groove. The arrangement can ensure the communication with the ventilation holes or the air inlet holes.

As shown in fig. 1 to 4, in the present embodiment, the plurality of through holes 40 and the ventilation holes 60 are located at the outer side of the air intake hole 20, and the air outlet hole 50 is located at the side of the through holes 40 away from the air intake hole 20. The plurality of through holes 40 and the ventilation holes 60 are located at the outer side of the air intake hole 20, so that the second through grooves 90 and the second groove sections 82 are communicated with the through holes 40 or the ventilation holes 60, respectively. The air outlet hole 50 is located at one side of the through hole 40 far away from the air inlet hole 20, that is, a certain distance is provided between the air outlet hole 50 and the air inlet hole 20, so that the air outlet hole 50 and the air inlet hole 20 are connected with the inlet and the outlet of the pump body 30 respectively, and the communication between the second groove section 82 and the through hole 40 is not affected after the pump body 30 is connected with the housing 10.

As shown in fig. 1 to 4, in the present embodiment, a plurality of through holes 40 and ventilation holes 60 are provided around the outer periphery of the intake hole 20. The above arrangement makes the rotating member 70 rotate by a certain angle in the housing 10, so that the second conducting slot 90 and the second slot section 82 are respectively communicated with the conducting hole 40 or the ventilation hole 60, and the use experience of the channel switching device is improved, and the overall structure is more regular due to the arrangement.

As shown in fig. 1 to 4, in the present embodiment, the ventilation holes 60 are provided in plural, and the plurality of via holes 40 and the plurality of ventilation holes 60 are provided at equal intervals. The ventilation holes 60 are plural, so that the rotation angle of the rotation member 70 can be reduced when the channel switching device is switched between the first state and the second state, thereby facilitating the use of the channel switching device. The through holes 40 and the ventilation holes 60 are arranged at equal intervals, so that when the second through grooves 90 are switched between the first state and the second state, the rotating member 70 rotates at the same angle each time, thus friction between the rotating member 70 and the housing 10 can be reduced, the service life of the rotating member 70 can be prolonged, i.e. the service life of the channel switching device can be prolonged.

In the embodiment not shown in the drawings, the ventilation hole is one, that is, the ventilation hole is an arc-shaped slot, and the plurality of through holes 40 and the arc-shaped slot are disposed opposite to each other, and the positions of the second through slot 90 and the second slot segment 82 need to be disposed opposite to each other.

Or, the number of the vent holes is multiple, each vent hole is an arc-shaped groove, and one vent hole is arranged between two adjacent through holes 40.

As shown in fig. 1 to 4, in the present embodiment, one ventilation hole 60 is provided between any adjacent two of the via holes 40. The above arrangement makes the second conducting groove 90 be switched between the first state and the second state, and the rotating member 70 rotates by a smaller angle to realize the communication between the second conducting groove 90 and the conducting hole 40 or the ventilation hole 60, so that the second conducting groove 90 is more convenient to switch between the air inlet state and the air outlet state.

As shown in fig. 1 and 7, in the present embodiment, the first groove section 81 is an annular groove, and the second conduction groove 90 and the second groove section 82 are both located inside the annular groove. The first groove section 81 is an annular groove, so that the communication between the interior of the housing 10 and the air inlet of the pump body 30 is not affected by the rotation of the rotating member 70, i.e., the annular groove enables the air inlet of the pump body 30 to always communicate with the interior of the housing 10 through the air outlet hole 50. The second conduction groove 90 and the second groove section 82 are located inside the annular groove so that the conduction hole 40 and the ventilation hole 60 can communicate with the second conduction groove 90 and the second groove section 82, respectively.

Preferably, the angle between the axis of the second conduction groove 90 and the axis of the second groove section 82 and the angle between the line connecting the conduction hole 40 and the center of the rotary member 70 and the line connecting the ventilation hole 60 and the center of the rotary member 70 are the same. The distance between the center of the air outlet hole 50 and the center of the rotary member 70 is one quarter of the sum of the maximum outer diameter of the annular groove and the minimum outer diameter of the annular groove.

As shown in fig. 1 and 7, in the present embodiment, both ends of the notch of the second through-hole 90 include a first semicircle 91 and a second semicircle 92, the diameter of the first semicircle 91 is larger than the diameter of the air intake hole 20, and the diameter of the second semicircle 92 is larger than the diameter of the through-hole 40. The above arrangement makes the first semicircle 91 completely cover the air inlet hole 20, the second semicircle 92 completely cover the via hole 40, and the second via groove 90 can be communicated with the air inlet hole 20 and the via hole 40, i.e. the air entering through the air inlet hole 20 can flow to the second semicircle 92 through the first semicircle 91 inside the second via groove 90 and then flow out through the via hole 40, thereby ensuring the use effect of the channel switching device.

Preferably, the center of the air intake hole 20 and the center of the rotary member 70 are coincident. The center of the first semicircle 91 is coincident with the center of the intake hole 20 and the center of the rotary member 70.

As shown in fig. 7 and 8, in the present embodiment, the diameter D of the first semicircle 91 ₁ With the air inlet holes 20Diameter D ₂ The following are satisfied: d (D) ₁ ≥D ₂ +2.0mm. Diameter D of second semicircle 92 ₃ Diameter D of via hole 40 ₄ The following are satisfied: d (D) ₃ ≥D ₄ +1.5mm. The above arrangement makes it possible to cover the air intake hole 20 and the via hole 40 with the first semicircle 91 and the second semicircle 92 even in the case of an assembly error, so that the difficulty in assembling the channel switching device can be reduced, and the manufacturing cost of the channel switching device can be reduced.

Specifically, in the present embodiment, D ₁ ＝D ₂ +3mm，D ₃ ＝D ₄ +2mm. The distance between the centers of the first semicircle 91 and the second semicircle 92 is equal to the distance between the center of the air intake hole 20 and the center of the through hole 40.

As shown in fig. 1, in the present embodiment, the channel switching device further includes a contact disc 100, where the contact disc 100 is disposed inside the housing 10, the contact disc 100 is in abutting engagement with the rotating member 70, a first mating hole 101, a plurality of second mating holes 102, a third mating hole 103, and a fourth mating hole 104 are disposed on the contact disc 100, the first mating hole 101 is disposed corresponding to the air intake hole 20, the plurality of second mating holes 102 are disposed corresponding to the plurality of through holes 40 one to one, the third mating hole 103 is disposed corresponding to the air outlet hole 50, and the fourth mating hole 104 is disposed corresponding to the air exchanging hole 60. The rotating member 70 includes a rotating disc 71, and at least one of a side of the rotating disc 71 facing the contact disc 100 and a side of the contact disc 100 facing the rotating disc 71 is a smooth surface. The provision of the contact tray 100 makes the rotation of the rotator 70 easier. The arrangement of the first mating hole 101, the plurality of second mating holes 102, the third mating hole 103, and the fourth mating hole 104 enables the first through-channel 80 to communicate with the outlet hole 50, and also enables the second through-channel 90 to communicate with the inlet hole 20 and one of the through-channel 40 or the ventilation hole 60, and also enables the second channel segment 82 to communicate with the inlet hole 20 and one of the through-channel 40 or the ventilation hole 60. At least one of the side of the rotating disc 71 facing the contact disc 100 and the side of the contact disc 100 facing the rotating disc 71 is a smooth surface, so that the relative rotation between the contact disc 100 and the rotating member 70 is smoother.

Preferably, in the present embodiment, the side of the rotating disc 71 facing the contact disc 100 and the side of the contact disc 100 facing the rotating disc 71 are both smooth surfaces. The material of the rotating disk 71 and the contact disk 100 is ceramic. The ceramic material has lower cost and is convenient to process. In other embodiments, the rotor 70 and the contact plate 100 may be made of metal or plastic or other materials and have a coating of a low coefficient of friction material on their surfaces. The surface roughness Ra of the smooth surface is less than or equal to 0.6. The openings of the first, second, third and fourth mating holes 101, 102, 103 and 104 of the side of the contact plate 100 facing the rotating member 70 are rounded or beveled.

As shown in fig. 4, in the present embodiment, a positioning post 11 is provided on the housing 10, the positioning post 11 extends toward the inside of the housing 10, the positioning post 11 is inserted into the first fitting hole 101, and/or the plurality of second fitting holes 102, and a via hole 111 is provided on the positioning post 11. The channel switching device further includes a plurality of connectors 110, wherein the connectors 110 are connected with the housing 10 and extend towards the outside of the housing 10, and the connectors 110 are disposed corresponding to the air inlet holes 20, the plurality of through holes 40 and the air outlet holes 50. The positioning posts 11 allow the relative position between the contact tray 100 and the housing 10 to be fixed, i.e., the contact tray 100 does not rotate due to the rotation of the rotating member 70 when the rotating member 70 rotates. The through holes arranged on the positioning column 11 ensure the communication effect between the first matching hole 101 and the air inlet hole 20, the plurality of second matching holes 102 and the plurality of guide holes 40, the third matching hole 103 and the air outlet hole 50, and the fourth matching hole 104 and the air exchanging hole 60, thereby ensuring the use of the channel switching device. The plurality of connectors 110 are connected with the housing 10 and extend towards the outer side of the housing 10, and are arranged corresponding to the air inlet holes 20, the plurality of through holes 40 and the air outlet holes 50, so that the housing 10 can be communicated with the outside of the housing 10, and the connectors 110 also facilitate the connection with the channel switching device.

As shown in fig. 1 and 4, in the present embodiment, the channel switching device further includes a gasket 120, the gasket 120 being disposed between the first end of the housing 10 and the contact tray 100, the contact tray 100 and the gasket 120 being interference fit. The gasket 120 can seal the space between the contact tray 100 and the housing 10, and prevent air leakage or liquid leakage between the contact tray 100 and the housing 10.

Preferably, a fifth fitting hole corresponding to the first fitting hole 101, a sixth fitting hole corresponding to the second fitting hole 102, a seventh fitting hole corresponding to the third fitting hole 103, and an eighth fitting hole corresponding to the fourth fitting hole 104 are provided on the gasket 120. Such that the gasket 120 does not affect the communication between the inside and the outside of the housing 10.

It should be noted that, the sealing pad 120 and the contact disc 100 are in an interference fit, and the interference is between 0.2mm and 1.5mm, so that the rotating member 70 and the contact disc 100 are tightly attached, the sealing effect is better, and the air leakage is not easy to occur. If the above-mentioned interference is less than 0.2mm, the sealing effect between the rotating member 70 and the contact plate 100 is poor. If the above interference is greater than 1.5mm, the difficulty of rotation between the rotating member 70 and the contact disc 100 is high, that is, the rotating member 70 is not easy to rotate.

Preferably, the thickness of the gasket 120 has an interference between 0.5mm and 1 mm. Specifically, in the present embodiment, the interference between the contact disc 100 and the gasket 120 is 1mm, however, in other embodiments, the interference between the contact disc 100 and the gasket 120 may be 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.1mm, 1.2mm, 1.3mm, or 1.4mm.

As shown in fig. 1, 4 and 5, in the present embodiment, the channel switching device further includes a coupling member 130, where the coupling member 130 is connected to the rotating member 70, and a part of the coupling member 130 penetrates through the second end of the housing 10. The passage switching device further includes a connection structure 140, and the connection structure 140 is disposed between the rotation member 70 and the coupling member 130 to move the rotation member 70 and the coupling member 130 in synchronization. The coupling member 130 enables the rotation member 70 to rotate, and a portion of the coupling member 130 is configured to protrude from the second end of the housing 10 such that the driving member 150 can be coupled to the coupling member 130. The connection structure 140 enables the relative position between the rotating member 70 and the coupling member 130 in the circumferential direction of the housing 10 to be fixed, so that when the rotating member 70 rotates, the rotating member 70 and the coupling member 130 do not rotate relative to each other, that is, the rotating member 70 and the coupling member 130 can rotate synchronously.

Specifically, the coupling member 130 includes a disc body and a shaft body, and the disc body is connected with the rotating member 70 through the connection structure 140, so that the contact area between the coupling member 130 and the rotating member 70 is larger, and the connection stability is better.

As shown in fig. 5 and 6, in the present embodiment, the connection structure 140 includes a connection hole 141 and a connection hole 141, one of the connection hole 141 and the connection hole 142 is provided at a side of the rotation member 70 facing the coupling member 130, and the other of the connection hole 141 and the connection hole 142 is provided at a side of the coupling member 130 facing the rotation member 70. The arrangement of the connection holes 141 and the connection blocks 142 makes the connection between the rotation member 70 and the coupling member 130 relatively simple, and facilitates the connection between the coupling member 130 and the rotation member 70.

Specifically, the connection hole 141 is provided on the rotation member 70, and the connection block 142 is provided on the coupling member 130.

As shown in fig. 1, in the present embodiment, the housing 10 includes a case 12 and a cover 13, the cover 13 is detachably mounted on the case 12, and a rotating member 70 is provided between the case 12 and the cover 13. The housing 12 and the cover 13 can protect the gasket 120, the contact plate 100, the rotating member 70, and the coupling member 130, which are provided in the housing 12, from external damage. The cover 13 is detachably mounted on the housing 12 to facilitate maintenance of the structure within the housing 12.

As shown in fig. 1 to 3, in the present embodiment, the channel switching device further includes a driving member 150 and a position detecting device 160, the driving member 150 is drivingly connected to the rotating member 70, and the position detecting device 160 is connected to the driving member 150. The driving member 150 enables the rotation of the coupling member 130 and thus the rotation member 70 connected to the coupling member 130, so that the second conduction groove 90 can be respectively communicated with the conduction hole 40 and the ventilation hole 60, i.e., the second conduction groove 90 can be switched between the air-in state and the air-out state. The position detecting device 160 can record the rotation angle of the rotating member 70 so that the second conduction groove 90 can be selectively switched between the inlet state and the outlet state.

In the present embodiment, the position detecting device 160 is provided on the driving member 150. Of course, in an embodiment not shown in the drawings, the position detecting device 160 may be disposed between the driving member 150 and the housing 12, which may reduce the cost of the channel switching device.

Preferably, the driving member 150 includes a stepping motor.

Specifically, as shown in fig. 1 and 2, the working principle of the channel switching device of the present embodiment is as follows:

when the output shaft of the driving member 150 rotates, the coupling member 130 rotates together, and the rotating disk 71 is synchronously driven to rotate by the connection structure 140. The contact disc 100 is fixedly arranged at the bottom of the shell 10, a sealing gasket 120 is arranged between the contact disc 100 and the shell 10 to prevent air leakage between the contact disc 100 and the shell 10, and meanwhile, the thickness of the sealing gasket 120 keeps partial interference magnitude to ensure that the rotating disc 71 and the contact disc 100 are tightly stressed. During the rotation of the rotating disc 71 around its center, the first mating hole 101 in the center of the contact disc 100 is always aligned with one end of the second conducting slot 90 in the center of the rotating disc 71, and the other end of the second conducting slot 90 is sequentially aligned with the second mating holes on the contact disc 100 when the rotating disc 71 rotates a certain angle. Thus, under the action of the driving member 150, the channels can be switched, the position detecting device 160 detects the rotation angle of the output shaft of the driving member 150, and records the rotation angle of the output shaft, thereby realizing selective channel switching.

In other embodiments, the arrangement formation of the via holes 40 may be various, as particularly shown in fig. 9 to 11.

As shown in fig. 9, the number of the through holes 40 is 4, and the included angle between the circle centers of the two outermost through holes 40 in the four through holes 40 and the connecting line of the circle center of the air inlet hole 20 is 225 °. Four via holes 40 are provided in equal parts.

As shown in fig. 10, the number of the through holes is 4, and the included angle between the circle centers of the two outermost through holes 40 in the four through holes 40 and the connecting line of the circle center of the air inlet hole 20 is 180 °. Four via holes 40 are provided in equal parts.

As shown in fig. 11, the number of through holes 40 is 3, and three through holes 40 are equally provided.

In fig. 8 to 11, the gas outlet hole 50 and the ventilation hole 60 are not shown.

According to a second aspect of the present invention, there is provided a seasoning dispensing apparatus comprising a channel switching apparatus as described above. The above-mentioned channel switching device enables the second conducting groove 90 to be respectively communicated with the conducting hole 40 or the ventilation hole 60 through the rotation of the rotating member 70, i.e. the second conducting groove 90 can be switched between the air inlet state and the air outlet state, so that the functions of the channel switching device are more abundant. The seasoning throwing device with the channel switching device also has the advantages.

Specifically, the seasoning throwing device also comprises a machine body, a plurality of containers, a faucet structure, a plurality of conducting channels and an air circulation structure.

An accommodating space is arranged in the machine body. The plurality of containers are all installed in the accommodation space. The faucet structure is arranged on the machine body. The plurality of conduction channels are mutually independent, the plurality of conduction channels and the plurality of containers are arranged in a one-to-one correspondence, the first ends of the conduction channels extend into the corresponding containers, and the second ends of the conduction channels extend into the faucet structure. The air circulation structure is arranged in the machine body. Wherein the channel switching device is disposed within the body and connected between the gas circulation structure and the plurality of containers such that the gas circulation structure selectively communicates with one of the plurality of containers through the channel switching device. The accommodation space arranged inside the machine body provides a placement position for the container. The conduction channel enables the seasoning to flow out of the container. The plurality of conduction channels are mutually independent and are arranged in one-to-one correspondence with the containers, and the first end and the second end of each conduction channel respectively extend into the corresponding container and the faucet structure, so that seasonings in each container can flow out through the faucet structure through different conduction channels, and the problem of odor mixing in the seasoning adding process is avoided. The air circulation structure arranged in the machine body can convey air into the container, so that the space except the seasonings in the container can be filled with the air, and then the seasonings can flow out through the conduction channel. The channel switching device connected between the air circulation structure and the container enables the air circulation structure to be communicated with one of the containers, so that the air circulation structure can convey air to the interiors of different containers, different seasonings are added, and the whole structure of the seasoning throwing device is simpler.

Specifically, the seasoning refers to a liquid seasoning. The faucet structure has a discharge position and a retracted position. The included angle between the discharging position and the withdrawing position of the faucet structure is 90 degrees. The number of the conducting channels is consistent with that of the containers. The channel switching device is driven by a driving motor.

Preferably, the control of the liquid outlet amount of the material feeding device can be realized by controlling the working time of the pump body, so that the quantitative feeding of the seasonings is realized.

The faucet structure comprises a faucet shell, a faucet cover, a first mounting opening, a second mounting opening, a flow dividing piece, a plurality of connecting pipes and a connecting structural member. The faucet housing has an opening, and an accommodating chamber communicating with the opening is provided in the faucet housing. The faucet cover is detachably disposed at the opening portion. The first mounting port is disposed at a first end of the faucet housing and the second mounting port is disposed at a second end of the faucet housing. The opening portion is provided so that the plurality of conduction passages can be mounted to the accommodation chamber. The tap cover can play a protective role to a plurality of conduction channels arranged in the accommodating cavity, and the conduction channels are prevented from being damaged.

The flow dividing piece is provided with a plurality of independently arranged overflow ports, the flow dividing piece is arranged at the second mounting port, and the plurality of conduction channels and the plurality of overflow ports are arranged in a one-to-one correspondence manner. The shunt is arranged at the second mounting opening, so that the relative position of the overflow opening and the tap shell can be fixed, and the process of flowing out the seasoning to the cooking utensil is more stable. The plurality of conduction channels and the plurality of through-flow openings are arranged in one-to-one correspondence, so that seasonings in different material bottles can flow out from different through-flow openings, and the occurrence of odor tainting in the process of flowing out the seasonings is avoided.

The flow dividing piece comprises a connecting plate and a plurality of pipe bodies penetrating through the connecting plate, and the plurality of pipe bodies form a plurality of flow through openings. The connecting plate enables a plurality of pipes penetrating through the connecting plate to be fixed with the relative position of the faucet shell, and then the conducting channel connected with the pipes can be fixed in position during discharging.

The first ends of the connecting pipes and the plurality of pipe bodies are arranged in one-to-one correspondence, and the second ends of the connecting pipes are connected with the first mounting ports. The multiple connecting pipes enable the seasonings to flow out from different channels, so that the problem of odor tainting in the process of flowing out the seasonings is avoided. The first end and the body of connecting pipe set up in one-to-one, and the second end and the first installing port of connecting pipe are connected for the relative position of connecting pipe and tap casing can be fixed, and the simple structure of connecting pipe is convenient for set up, can reduce the cost of processing simultaneously.

The connection structure is disposed between the faucet housing and the faucet cover. The connection structure enables the faucet cover to be mounted to the faucet housing. Meanwhile, the tap cover can protect the structure arranged in the accommodating cavity.

The connecting structure comprises a plurality of clamping components, the clamping components are arranged between the faucet shell and the faucet cover at intervals, each clamping component comprises a clamping block and a clamping groove, one of the clamping block and the clamping groove is arranged on the faucet shell, and the other of the clamping block and the clamping groove is arranged on the faucet cover. The clamping assembly enables the faucet shell and the faucet cover to be connected together, and avoids the phenomenon that the faucet cover is separated from the faucet shell in the use process of the faucet structure to influence the use of the faucet structure.

Preferably, the seasoning throwing device further comprises a plurality of communicating pipes, the plurality of communicating pipes and the plurality of containers are arranged in one-to-one correspondence, the first end of each communicating pipe is inserted into the corresponding container, the plurality of communicating pipes and the plurality of connecting pipes are arranged in one-to-one correspondence, and the second end of each communicating pipe is communicated with the corresponding arranged connecting pipe. The communicating pipes and the connecting pipes which are arranged in a one-to-one correspondence way are formed into a conducting channel.

The faucet structure is rotatably arranged, the seasoning throwing device further comprises a rotating piece and a first driving piece, the first driving piece is in driving connection with the rotating piece, and the rotating piece is connected with the faucet structure. The faucet structure can be rotatably arranged, so that when the seasoning is added, part of the faucet structure can extend out of the machine body, and the seasoning is prevented from dripping on the machine body. The first driving piece can drive the rotation of the rotating piece, and the rotating piece can drive the rotation of the faucet structure.

The rotating member comprises a rotating drum, a part of a plurality of conducting channels are positioned in the rotating drum, the rotating member further comprises a gear ring arranged on the outer side wall of the rotating drum, the first driving member comprises a motor and a gear arranged on an output shaft of the motor, and the gear ring are in meshed fit. The drum provides a mounting location for the ring gear so that the gear engagement of the ring gear is more stable. The gear can rotate along with the rotation of the motor, and then the gear ring meshed with the gear can also rotate, so that the rotary drum can rotate, and the final faucet structure can also rotate under the drive of the rotary drum.

Preferably, the gear is fixedly assembled on the motor output shaft by a snap spring.

The inside of rotary drum is provided with reference column and a plurality of baffle, and every baffle all connects between reference column and the inner wall of rotary drum, forms a plurality of through-hole portions between two arbitrary adjacent baffles and the inner wall of rotary drum, and a plurality of through-hole portions and a plurality of conduction channel one-to-one set up. The positioning column enables the rotary drum to be mounted on the machine body. Every baffle is connected between the inner wall of reference column and rotary drum and is made the structural strength of rotary drum better, also makes between arbitrary two adjacent baffles and the rotary drum can form a plurality of through-hole portions, and then makes the passageway that switches on can communicate container and tap structure through the through-hole portion.

The plurality of connection pipes extend into different through-hole portions. During the rotation of the faucet structure, the connecting tube rotates with the rotation of the faucet structure. The communicating pipe does not rotate with the rotation of the faucet structure.

The organism includes fuselage structure and aircraft nose structure, and accommodation space sets up in fuselage structure's inside, and aircraft nose structure sets up on fuselage structure with overturning. The accommodation space enables the container to be disposed within the fuselage structure. The machine head structure can be arranged on the machine body structure in a turnover way, so that the container in the machine body structure can be taken out, and the container can be replaced conveniently, and the container can be cleaned or seasoned can be added conveniently.

Specifically, the motor is fixed on the mounting column inside the machine head structure through bolts.

The first connection structure is disposed between the swivel and the faucet structure, and includes a locking assembly and a rotation stopping assembly. The locking assembly enables the swivel and faucet structure to be connected. The rotation stopping component can limit the relative rotation of the rotating piece and the faucet structure, and damage to the conduction channel caused by excessive rotation of the faucet structure is avoided.

The locking assembly comprises a fastener and a locking hole, the locking hole is arranged on the positioning column, and the fastener penetrates through the faucet structure and is inserted into the locking hole; and/or the rotation stopping assembly comprises a first rotation stopping piece and a second rotation stopping piece, one of the first rotation stopping piece and the second rotation stopping piece is arranged on the faucet structure, and the other of the first rotation stopping piece and the second rotation stopping piece is arranged on the rotating piece. The locking hole enables the fastener to pass through the positioning column, and then the rotating piece can be connected with the faucet structure. The cooperation of the first and second stop members allows the bowl and faucet structure to avoid relative rotation.

Specifically, the first rotation stopper is provided on the rotation member. The first rotation stopping piece comprises a plurality of protruding blocks arranged on the rotary drum, a groove is formed between any two adjacent protruding blocks, the second rotation stopping piece and the first rotation stopping piece are identical in structure, but the protruding blocks on the second rotation stopping piece are inserted into the groove on the first rotation stopping piece during installation to form plug-in fit, so that the relative positions between the rotation piece and the faucet structure can be fixed, and the relative rotation of the rotation piece and the faucet structure is avoided.

The machine head structure is internally provided with a supporting frame, the rotating piece is provided with a supporting frame, and the supporting frame is connected to the supporting frame. The support frame provides support for the drum such that the drum can rotate relative to one another within the handpiece structure. The connecting frame is connected to the supporting frame, so that the position of the rotary drum in the direction from the machine head structure to the faucet structure can be fixed, and the rotary drum is prevented from moving in the rotation process.

Preferably, an upper limit bearing is arranged on one side of the rotary drum, which is close to the connecting frame, and a lower limit bearing is arranged on one side of the rotary drum, which is close to the supporting frame. The upper limit bearing and the lower limit bearing provide support for the rotation of the rotary drum, and the rotation of the rotating member is smoother. The rotary drum is fixed in the appointed position by link and last spacing bearing and lower spacing bearing, and lower spacing bearing cover is established in rotary drum lower part and is inlayed in aircraft nose structure corresponds the draw-in groove, and go up spacing bearing cover and establish in rotary drum upper portion, spacing fixed by the link, and the link passes through the bolt fastening on the support frame, and bolt number is three.

The seasoning throwing device further comprises a limiting structure, and the limiting structure is arranged between the rotating piece and the machine head structure. The limiting structure provides limiting for the rotation of the rotating piece relative to the machine head structure, and excessive rotation of the rotating piece is avoided. The limit structure comprises a limit column arranged in the machine head structure and a baffle arranged on the rotating piece, the rotating piece rotates to drive the baffle to rotate, and the baffle is matched with the limit column in a stop mode. The limiting column can limit the movement of the baffle, so that the rotating piece can not rotate continuously after the baffle contacts with the limiting column, and further the faucet structure can not rotate continuously.

The seasoning throwing device further comprises a limit switch, the limit switch is arranged at intervals with the limit column, the baffle is rotatably arranged between the limit switch and the limit column, and the limit switch is electrically connected with the first driving piece. The limit switch can send out motor rotation or stop pivoted signal for the motor can in time rotate or stop rotating, avoids the idle running of motor to cause the damage to motor and the rotation stopping subassembly.

Preferably, the limit switch is provided with a spring piece. When the tap structure rotates between the withdrawing position and the discharging position, the baffle moves to the direction close to the limit switch until the baffle contacts with the limit switch, and the limit switch can send out a signal that the tap structure rotates to the withdrawing position, so that the motor can stop rotating in time, and the motor and the rotation stopping assembly are prevented from being damaged due to idle running of the motor. Or the baffle breaks away from the contact with limit switch, and limit switch can send out and make tap structure begin pivoted signal, after the motor rotates a period of time, after baffle and spacing post contact promptly, the motor can in time stop rotating, even make tap structure can in time stop rotating, has avoided the idle running of motor to cause the damage to motor and the rotation stopping subassembly.

The aircraft nose structure includes casing and top cap, and air circulation structure, passageway auto-change over device, rotation piece and first driving piece all are located between casing and the top cap, and the aircraft nose structure still includes the control panel, and the control panel is installed between casing and top cap, and the control panel is all electrically connected with air circulation structure, passageway auto-change over device and first driving piece. The casing and the cover can protect the air circulation structure, the channel switching device, the rotating piece and the first driving piece which are arranged in the machine head structure, and damage is avoided in the use process. The control panel can play the control role to the operation of motor, limit switch.

Preferably, the control board is a PCB board. The PCB refers to a printed circuit board.

The machine head structure further comprises a support column arranged in the machine shell, the control panel is connected to the support column, the control panel is located at the side part of the rotating piece, and an elastic buffer piece is arranged between the control panel and the top cover. The support can play a supporting role on the control panel, so that the position change of the control panel in the using process of the seasoning throwing device is avoided. The relative position between the control panel and the top cover can be adjusted through the elastic buffer piece, the control panel can be stably fixed on the support column, and meanwhile damage to the structure on the control panel caused by the top cover is avoided.

Preferably, a power supply for supplying power to the control board, the motor, the air circulation structure and the channel switching device is also arranged in the shell, and the power supply is a lithium battery. The charging port for charging the power supply is also arranged on the machine body structure, and is a USB interface (USB finger Universal Serial Bus and universal serial bus) so that the seasoning throwing device is simpler and more convenient to use. The elastic buffer piece also enables a certain space to be formed between the control board and the top cover, and the power supply is arranged in the space. The elastic buffer is a spring.

The seasoning throwing device further comprises a plurality of sealing elements, the sealing elements and the containers are arranged in a one-to-one correspondence, and each sealing element is arranged between the machine shell and the container corresponding to the sealing element. The sealing piece can play a sealing role on the joint of the shell and the container, so that the leakage of seasonings in the container through a gap at the joint of the shell and the container is avoided.

An upper concave part is arranged on the bottom wall of the shell, a coaming is arranged in the upper concave part, and a sealing piece is arranged on the side wall of the coaming facing the upper concave part. The shroud provides a mounting location for the seal and this enables a better sealing effect.

Specifically, in this embodiment, the sealing member includes the sealing washer, and the sealing washer includes annular riser portion and the arc portion of being connected with annular riser portion, and annular riser portion is connected with the bounding wall, arc portion and container butt cooperation. The annular vertical plate part enables the sealing ring to be better attached to the coaming, and the sealing ring is prevented from falling off from the coaming in the process of mounting the container to the coaming. The arc-shaped part enables the container to be mounted to the coaming, the extruded sealing ring can generate enough elastic deformation, and then the sealing ring can fill gaps between the coaming and the container, so that the container is sealed.

Preferably, the inside of annular riser portion and arc portion is hollow, makes the elasticity performance of sealing washer better like this, and then makes the container install the in-process to the bounding wall, and the sealing washer can produce sufficient elastic deformation, finally fills the clearance between container and the bounding wall completely, has avoided the inside condiment of container to reveal to accommodation space in.

Of course, in the embodiment not shown in the drawings, the sealing ring is not required, the connection mode of the container and the casing is changed into threaded connection, the container is sealed by using a threaded structure, and the leakage of the seasoning in the container is avoided.

The first side of the machine head structure is connected with the machine body structure through a pivot structure, and the seasoning throwing device further comprises a second connecting structure which is arranged between the second side of the machine head structure and the machine body structure. The setting of pivot structure makes the aircraft nose structure can realize the upset, and the second connection structure can link together fuselage structure and aircraft nose structure effectively, and then can prevent that the aircraft nose structure from appearing the upset at will, and then can guarantee the position stability of container.

Specifically, the pivot structure comprises a flip hinge and hinge fixing pieces, and one flip hinge is correspondingly provided with two hinge fixing pieces. One of the flip hinge and the hinge fixing piece is arranged on the machine body structure, and the other is arranged on the machine head structure. The flip hinge comprises a connecting column, a flat plate part and a through hole part, wherein the connecting column penetrates through the through hole part, and the flat plate part is connected with the through hole part, so that the flat plate part and the through hole part can rotate around the connecting column. The connecting column is provided with a first fixing through hole for fixing the flip hinge. The hinge fixing piece is provided with a second fixing through hole for fixing.

Preferably, the fuselage structure is also provided with a hollowed-out part. The second connection structure is arranged corresponding to the hollowed-out portion, the first side of the machine head structure and the second side of the machine head structure are arranged oppositely, and specifically, the first side and the second side of the machine head structure are arranged oppositely, which means that the first side and the second side are not adjacent. The hollowed-out parts enable a user to more intuitively and clearly see the residual quantity of the seasonings in the container, so that the seasonings can be added in time when the residual quantity of the seasonings in the container is insufficient.

The second connection structure comprises a clamping buckle and a clamping opening which are matched in a clamping mode, one of the clamping buckle and the clamping opening is arranged on the machine body structure, and the other of the clamping buckle and the clamping opening is arranged on the machine head structure. The buckle and the bayonet can be used for connecting the machine body structure and the machine head structure together, so that the flavoring throwing device can avoid the separation of the machine body structure and the machine head structure in the using process.

The top of fuselage structure is provided with dodges the portion, and the aircraft nose structure is provided with and dodges portion complex convex part, and the inside of convex part is provided with the mounting groove, and the buckle setting is in the mounting groove, and the bayonet socket setting is in dodging the portion. The setting of dodging the portion makes the buckle can laminate mutually with the fuselage structure, and then makes the aircraft nose structure can cover to establish on the fuselage structure. The mounting groove provides the installation space for the buckle for the relative position that the buckle can be with the aircraft nose structure is fixed, and the bayonet socket sets up in dodging the portion, makes the buckle insert the bayonet socket or keep away from the process of buckle can be more stable, simultaneously, when the convex part is located dodges the portion, dodges the portion and can support the convex part, and then makes holistic structure more stable regular.

Specifically, the buckle comprises a main body part, a connecting part and a clamping part. The connecting part connects the main body part and the clamping part together. The gap is formed between the main body part and the clamping part, so that the clamping part can be relatively close to or far away from the main body part, and the process of the buckle entering the bayonet is smoother. The surface of the main body part far away from one side of the clamping part is flush with the outer surface of the machine body structure, so that the seasoning throwing device can occupy less space, and the appearance structure of the seasoning throwing device is more attractive. The clamping part is provided with a protrusion matched with the bayonet, and the protrusion can be inserted into the bayonet. The protrusion comprises a first inclined section, a straight section and a second inclined section. The straight section is vertical to the base, and an included angle of 5-20 degrees is formed between the first inclined section and the second inclined section and the horizontal plane.

According to a third aspect of the present invention, there is provided a cooking appliance comprising a seasoning dispensing device, wherein the seasoning dispensing device is the seasoning dispensing device. The above-mentioned passageway auto-change over device of condiment dispensing apparatus is through the rotation of rotating member 70 for second conduction groove 90 can communicate via hole 40 or ventilation hole 60 respectively, even make second conduction groove 90 can switch between the state of admitting air and the state of giving vent to anger, make the function of passageway auto-change over device more abundant like this, and then make the function of condiment dispensing apparatus more abundant. The cooking appliance with the seasoning throwing device also has the advantages.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A channel switching device, characterized by comprising:

a housing (10);

an air inlet hole (20) arranged on the shell (10) and used for being connected with an outlet of the pump body (30);

a plurality of through holes (40) provided at intervals on the housing (10);

the air outlet hole (50) is arranged on the shell (10), and the air outlet hole (50) is connected with an inlet of the pump body (30);

an air vent (60) provided in the housing (10);

a rotating member (70) rotatably provided inside the housing (10);

a first conduction groove (80) provided on the rotating member (70), wherein when the rotating member (70) rotates, the first conduction groove (80) communicates the air outlet hole (50) with one of the plurality of conduction holes (40), or the first conduction groove (80) communicates the air outlet hole (50) with the ventilation hole (60);

A second conduction groove (90) arranged on the rotating member (70), wherein when the rotating member (70) rotates, the second conduction groove (90) can selectively communicate the air inlet hole (20) with one of the plurality of conduction holes (40) or communicate with the ventilation hole (60);

wherein the rotating member (70) rotates so that the channel switching device has a first state and a second state, when the channel switching device is in the first state, the first conduction groove (80) communicates with one of the air outlet holes (50) and the plurality of conduction holes (40), the second conduction groove (90) communicates with the air inlet holes (20) and the ventilation holes (60), when the channel switching device is in the second state, the first conduction groove (80) communicates with the air outlet holes (50) and the ventilation holes (60), and the second conduction groove (90) communicates with one of the air inlet holes (20) and the plurality of conduction holes (40).

2. The channel switching device according to claim 1, wherein the air intake hole (20), the through hole (40), the air outlet hole (50) and the ventilation hole (60) are all provided on an end face of the first end of the housing (10).

3. The channel switching device according to claim 1, wherein the first conduction groove (80) includes a first groove section (81) and a second groove section (82), the first groove section (81) communicates with the gas outlet hole (50), the second groove section (82) communicates with the first groove section (81), the second groove section (82) communicates the first groove section (81) with one of the plurality of conduction holes (40) or the second groove section (82) communicates the first groove section (81) with the gas vent hole (60) when the rotating member (70) rotates; and/or, the second conducting groove (90) comprises a third groove section and a fourth groove section, the third groove section is communicated with the air inlet hole (20), the fourth groove section is communicated with the third groove section, and when the rotating piece (70) rotates, the fourth groove section is communicated with the third groove section and one of the plurality of conducting holes (40), or the fourth groove section is communicated with the third groove section and the air exchanging hole (60).

4. The channel switching device according to claim 1, wherein at least one of the air outlet hole (50) and the air inlet hole (20) is an arc-shaped hole; alternatively, the air outlet hole (50) and the air inlet hole (20) are circular holes, and at least one of the first conduction groove (80) and the second conduction groove (90) comprises an arc-shaped groove.

5. A channel switching device according to claim 3, characterized in that the first groove section (81) is an annular groove; and/or, the third groove section is an annular groove.

6. The channel switching device according to claim 1, wherein both ends of the notch of the second conduction groove (90) include a first semicircle (91) and a second semicircle (92), the diameter of the first semicircle (91) is larger than the diameter of the air intake hole (20), and the diameter of the second semicircle (92) is larger than the diameter of the conduction hole (40).

7. The channel switching device according to claim 6, characterized in that between the diameter D1 of the first semicircle (91) and the diameter D2 of the air intake hole (20) is satisfied: d1 More than or equal to D2+2.0mm; the diameter D3 of the second semicircle (92) and the diameter D4 of the via hole (40) satisfy the following conditions: d3 And D4+1.5mm.

8. The channel switching device according to claim 1, wherein the plurality of ventilation holes (60) is provided, and one ventilation hole (60) is provided between any adjacent two of the through holes (40).

9. The channel switching device according to claim 1, wherein a plurality of the through holes (40) and the ventilation holes (60) are each located outside the intake hole (20), and the outlet hole (50) is located on a side of the through holes (40) away from the intake hole (20); and/or a plurality of the through holes (40) and the ventilation holes (60) are circumferentially arranged on the periphery of the air inlet hole (20); and/or the plurality of ventilation holes (60), the plurality of through holes (40) and the plurality of ventilation holes (60) are arranged at equal intervals.

10. The channel switching device according to claim 1, wherein,

the channel switching device further comprises a contact disc (100), wherein the contact disc (100) is arranged in the shell (10), the contact disc (100) is in butt fit with the rotating piece (70), a first matching hole (101), a plurality of second matching holes (102), a third matching hole (103) and a fourth matching hole (104) are formed in the contact disc (100), the first matching hole (101) is arranged corresponding to the air inlet hole (20), the second matching holes (102) are arranged corresponding to the through holes (40) one by one, the third matching holes (103) are arranged corresponding to the air outlet holes (50), and the fourth matching hole (104) is arranged corresponding to the air exchanging hole (60);

The rotating member (70) includes a rotating disc (71), and at least one of a side of the rotating disc (71) facing the contact disc (100) and a side of the contact disc (100) facing the rotating disc (71) is a smooth surface.

11. The channel switching device according to claim 10, wherein,

a positioning column (11) is arranged on the shell (10), the positioning column (11) extends towards the inside of the shell (10), the positioning column (11) is inserted into the first matching holes (101) and/or a plurality of second matching holes (102), and through holes (111) are formed in the positioning column (11);

the channel switching device further comprises a plurality of connectors (110), wherein the connectors (110) are connected with the shell (10) and extend towards the outer side of the shell (10), and the connectors (110) are correspondingly arranged with the air inlet holes (20), the through holes (40) and the air outlet holes (50).

12. The channel switching device according to claim 10, further comprising a gasket (120), the gasket (120) being arranged between the first end of the housing (10) and the contact disc (100), the contact disc (100) and the gasket (120) being an interference fit.

13. The channel switching device according to claim 1, wherein,

the channel switching device further comprises a coupling piece (130), wherein the coupling piece (130) is connected with the rotating piece (70), and a part of structure of the coupling piece (130) penetrates through the second end of the shell (10);

the channel switching device further comprises a connecting structure (140), wherein the connecting structure (140) is arranged between the rotating piece (70) and the coupling piece (130) so as to enable the rotating piece (70) and the coupling piece (130) to synchronously move;

the connecting structure (140) comprises a connecting hole (141) and a connecting block (142), one of the connecting block (142) and the connecting hole (141) is arranged on one side of the rotating member (70) facing the coupling member (130), and the other of the connecting block (142) and the connecting hole (141) is arranged on one side of the coupling member (130) facing the rotating member (70).

14. The channel switching device according to any one of claims 1 to 13, wherein,

the shell (10) comprises a shell (12) and a cover body (13), the cover body (13) is detachably arranged on the shell (12), and the rotating piece (70) is arranged between the shell (12) and the cover body (13);

the channel switching device further comprises a driving piece (150) and a position detection device (160), wherein the driving piece (150) is in driving connection with the rotating piece (70), and the position detection device (160) is connected with the driving piece (150).

15. A seasoning dispensing device comprising a channel switching device, characterized in that the channel switching device is a channel switching device according to any one of claims 1 to 14.

16. A cooking appliance comprising a seasoning dispensing device, wherein the seasoning dispensing device is the seasoning dispensing device of claim 15.