Connector structure, liquid flavour module and dosing apparatus

Abstract

This application discloses a connector structure, a liquid seasoning module, and a dispensing device. The connector structure includes: a first fixed end; a second fixed end; a first connector disposed at the first fixed end; and a second connector disposed at the second fixed end. The second connector and the first connector are magnetically connected. The first connector is movable relative to the first fixed end and is constrained by the first fixed end, with a gap of at least 1 mm between the first connector and the first fixed end in the front-back direction. And / or, the second connector is movable relative to the second fixed end and is constrained by the second fixed end, with a gap of at least 1 mm between the second connector and the second fixed end in the front-back direction. This allows at least one connector in the connector structure to adjust according to the position of the other connector, enabling the first and second connectors to fit tightly together, thereby improving the docking efficiency and accuracy of the connector structure.

Description

Technical Field

[0001] This application relates to the field of batching equipment technology, and in particular to a connector structure, a liquid seasoning module, and batching equipment. Background Technology

[0002] Current dispensing equipment typically includes a liquid seasoning module for dispensing liquid seasonings, such as using a pump head to dispense liquid seasonings from a container. Usually, both the pump head and the container have connecting joints that mate to connect the liquid flow channels. However, due to assembly deviations and dimensional errors in the container and pump structure, misalignment of the connecting joints between the pump head and the container can occur, affecting assembly efficiency. Utility Model Content

[0003] In view of this, this application provides a connector structure, a liquid seasoning module, and a dispensing device, which enable at least one connector in the connector structure to be adjusted according to the position of the other connector, so that the first connector and the second connector can fit tightly together, thereby improving the docking efficiency and docking accuracy of the connector structure.

[0004] An embodiment of the first aspect of this application provides a connector structure, including: a first fixed end; a second fixed end; a first connector disposed on the first fixed end; a second connector disposed on the second fixed end, the second connector and the first connector being magnetically connected; the first connector is movable relative to the first fixed end and is constrained by the first fixed end, and the gap between the first connector and the first fixed end in the front-back direction is greater than or equal to 1 mm; and / or, the second connector is movable relative to the second fixed end and is constrained by the second fixed end, and the gap between the second connector and the second fixed end in the front-back direction is greater than or equal to 1 mm.

[0005] An embodiment of the second aspect of this application provides a liquid seasoning module, including: a pump head structure and a connector structure of any of the foregoing, wherein the pump head structure is connected to a container through the connector structure.

[0006] An embodiment of the third aspect of this application provides a dispensing device, including: a device body and a liquid seasoning module of any of the preceding claims, wherein the liquid seasoning module is installed on the device body and the device body is provided with a liquid outlet component that communicates with the liquid outlet connector of the pump head structure.

[0007] The connector structure, liquid seasoning module, and dispensing equipment provided in this application embodiment configure at least one of the first connector and the second connector as a movable structure, so that at least one connector can be adjusted according to the position of the other connector, and the first connector and the second connector can fit tightly together, thereby improving the docking efficiency and docking accuracy of the connector structure.

[0008] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0009] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. Wherein:

[0010] Figure 1 One of the structural schematic diagrams of the liquid seasoning module provided in the embodiments of this application is shown;

[0011] Figure 2 It shows Figure 1 A cross-sectional view of the embodiment shown;

[0012] Figure 3 It shows Figure 2 A partially enlarged schematic diagram of the embodiment shown;

[0013] Figure 4 This illustration shows one of the structural schematic diagrams of the container, first connector, and first fixed end provided in an embodiment of this application;

[0014] Figure 5 It shows Figure 4 An exploded view of the embodiment shown;

[0015] Figure 6 One of the structural schematic diagrams of the first fixed end provided in an embodiment of this application is shown;

[0016] Figure 7 This illustration shows one of the structural schematic diagrams of the first connector, sealing ring, and first magnetic ring provided in an embodiment of this application;

[0017] Figure 8 It shows Figure 7 An exploded view of the embodiment shown;

[0018] Figure 9 This is a second schematic diagram showing the structure of the first connector, sealing ring, and first magnetic ring provided in an embodiment of this application;

[0019] Figure 10 It shows Figure 9 An exploded view of the embodiment shown;

[0020] Figure 11 It shows Figure 7A cross-sectional view of the embodiment shown;

[0021] Figure 12 One of the schematic diagrams of the pump head structure provided in the embodiments of this application is shown;

[0022] Figure 13 A second schematic diagram of the structure of the liquid seasoning module provided in an embodiment of this application is shown;

[0023] Figure 14 Show Figure 13 An exploded view of the embodiment shown;

[0024] Figure 15 A second schematic diagram of the pump head structure provided in an embodiment of this application is shown;

[0025] Figure 16 Show Figure 15 A cross-sectional view of the embodiment shown;

[0026] Figure 17 Show Figure 15 An exploded view of the embodiment shown;

[0027] Figure 18 Show Figure 15 A schematic diagram of the pump head structure from another perspective of the embodiment shown;

[0028] Figure 19 Show Figure 15 One of the partial structural schematic diagrams of the embodiment shown;

[0029] Figure 20 The third schematic diagram of the pump head structure provided in the embodiment of this application is shown;

[0030] Figure 21 Show Figure 20 A schematic diagram of the pump head structure from another perspective of the embodiment shown;

[0031] Figure 22 Show Figure 20 A schematic diagram of the pump head structure of the illustrated embodiment from another perspective;

[0032] Figure 23 Show Figure 20 One of the cross-sectional views of the illustrated embodiment;

[0033] Figure 24 Show Figure 20 An exploded view of the embodiment shown;

[0034] Figure 25 Show Figure 20 Second sectional view of the embodiment shown;

[0035] Figure 26Show Figure 20 One of the partial structural schematic diagrams of the embodiment shown;

[0036] Figure 27 Show Figure 26 A structural schematic diagram from another perspective of the embodiment shown;

[0037] Figure 28 Show Figure 20 One of the schematic diagrams of the pump body in the illustrated embodiment;

[0038] Figure 29 The fourth schematic diagram of the pump head structure provided in the embodiments of this application is shown;

[0039] Figure 30 Show Figure 29 One of the partial structural schematic diagrams of the embodiment shown;

[0040] Figure 31 Show Figure 30 A structural schematic diagram from another perspective of the embodiment shown;

[0041] Figure 32 Show Figure 30 A cross-sectional view of the embodiment shown.

[0042] in, Figures 1 to 32 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0043] 100 Connector structure, 110 First fixed end, 111 First sidewall, 112 Second sidewall, 113 First mating interface, 114 Second mating interface, 115 Bottom wall, 116 First limiting part, 117 Second limiting part, 118 First mating part, 120 First connector, 121 First positioning part, 122 Second positioning part, 123 Groove structure, 124 First mounting groove, 125 First flow channel, 126 Second mounting groove, 130 Second connector, 131 Protruding structure, 132 Second flow channel. 140 Magnetic suction structure, 141 First magnetic ring, 142 Second magnetic ring, 150 Sealing ring, 151 Annular rib; 200 Pump head structure, 210 Pump body, 211 Inlet, 212 Outlet, 213 Second opening, 214 Connector, 215 Pump chamber, 216 Cable tray, 220 Pump housing, 221 Outlet connector, 222 Inlet interface, 223 Outlet interface, 224 Second seal, 225 Base, 2251 Through hole, 2252 Boss, 226 Cover, 230 First pipeline, 23 1. Bending structure, 232. Clamp, 240. Second pipeline, 241. Snap ring, 250. Heating element, 251. Electrical connection wire, 260. Annular diaphragm, 270. Pump shaft, 271. Eccentric wheel, 272. First bearing, 273. Second bearing, 274. First spline structure, 275. Drive end, 280. Third seal, 281. Guide slope, 290. Pressure cap, 300. Liquid seasoning module, 310. Container, 311. Second mating part, 312. Notch structure, 313. Feeding port, 314. Discharge port, 320. Connecting pipe. Detailed Implementation

[0044] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0045] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0046] The following reference Figures 1 to 32 This application describes a connector structure 100, a liquid seasoning module 300, and a dispensing device according to some embodiments. The connector structure 100 is applied to the liquid seasoning module 300, which is applied to the dispensing device, which can be a stir-fry machine or other cooking equipment. The dispensing device can dispense liquid seasonings through the liquid seasoning module 300.

[0047] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, an embodiment of the first aspect of this application provides a connector structure 100, including: a first fixed end 110; a second fixed end; a first connector 120 disposed on the first fixed end 110; a second connector 130 disposed on the second fixed end, the second connector 130 and the first connector 120 being connected by magnetic attraction structure 140; the first connector 120 being movable relative to the first fixed end 110 and constrained by the first fixed end 110; and / or, the second connector 130 being movable relative to the second fixed end and constrained by the second fixed end.

[0048] The connector structure 100 provided in this application embodiment includes a first fixed end 110, a second fixed end, a first connector 120, and a second connector 130. The first connector 120 is disposed at the first fixed end 110, and the first fixed end 110 can confine or fix the first connector 120 to a first liquid device. Normally, the first connector 120 is in communication with the first liquid device. The second connector 130 is disposed at the second fixed end, and the second fixed end can confine or fix the second connector 130 to a second liquid device. Normally, the second connector 130 can be in communication with the second liquid device. Thus, by connecting the first connector 120 and the second connector 130, the liquid paths of the first liquid device and the second liquid device can be connected, allowing the liquid in the first liquid device and the second liquid device to be transferred and transported through the connector structure 100.

[0049] Specifically, one of the first liquid device and the second liquid device can be a container 310 for holding liquid seasoning, and the other is a pump head structure 200. The pump head structure 200 can transfer the liquid seasoning from the container 310 to the pump head structure 200 via a docking structure. It is understood that the pump head structure 200 can also be connected to the liquid outlet of the dispensing equipment to transfer the liquid seasoning from the pump head structure 200 to the liquid outlet, thus realizing the dispensing operation of the liquid seasoning. It is understood that the first connector 120 can be connected to the container 310 via the first fixed end 110, and the second connector 130 can be connected to the pump head structure 200 via the second fixed end; or, the first connector 120 can be connected to the pump head structure 200 via the first fixed end 110, and the second connector 130 can be connected to the container 310 via the second fixed end. Figures 1 to 5 An embodiment is shown in which the first connector 120 is connected to the container 310 via the first fixed end 110, and the second connector 130 is connected to the pump head structure 200 via the second fixed end.

[0050] The first connector 120 and the second connector 130 are connected by a magnetic attraction structure 140, which simplifies the docking and separation of the first connector 120 and the second connector 130. This enables the first connector 120 and the second connector 130 to dock and separate quickly, making the operation simple and convenient.

[0051] The first connector 120 is movable relative to the first fixed end 110 and is constrained by the first fixed end 110. This allows the first connector 120 to be constrained while still having a certain degree of freedom, meaning that while the first connector 120 has a certain degree of adjustability, it does not move arbitrarily. Therefore, the movable first connector 120 can make corresponding adjustments according to the position of the second connector 130. For example, when the second connector 130 is fixedly connected to the second fixed end, the movable first connector 120 can adapt to the assembly deviation and machining dimensional errors of the second connector 130, thereby avoiding the problem of misalignment between the first connector 120 and the second connector 130 caused by assembly deviations and machining dimensional errors of the second connector 130. This allows the first connector 120 and the second connector 130 to fit tightly together, improving the docking efficiency and accuracy of the connector structure 100.

[0052] Alternatively, the second connector 130 can be movable relative to the second fixed end and constrained by the second fixed end, so that the second connector 130 is constrained while still having a certain degree of freedom. That is, the second connector 130 has a certain degree of adjustability but is not moving arbitrarily. Thus, the movable second connector 130 can make corresponding adjustments according to the position of the first connector 120. For example, when the first connector 120 is fixedly connected to the first fixed end 110, the movable second connector 130 can adapt to the assembly deviation and machining dimensional error of the first connector 120, thereby avoiding the problem of misalignment between the first connector 120 and the second connector 130 caused by the assembly deviation and machining dimensional error of the first connector 120. This allows the first connector 120 and the second connector 130 to fit tightly together, thereby improving the docking efficiency and docking accuracy of the connector structure 100.

[0053] Alternatively, the first connector 120 may be movable relative to and constrained by the first fixed end 110, while the second connector 130 may be movable relative to and constrained by the second fixed end, making both the first connector 120 and the second connector 130 movable structures. This allows the first connector 120 and the second connector 130 to adjust their positions according to each other, enabling them to fit tightly together and improving the docking efficiency and accuracy of the connector structure 100.

[0054] In other words, the joint structure 100 provided in this application sets at least one of the first joint 120 and the second joint 130 as a movable structure, so that at least one joint can be adjusted according to the position of the other joint, so that the first joint 120 and the second joint 130 can fit tightly together, thereby improving the docking efficiency and docking accuracy of the joint structure 100.

[0055] like Figure 4 and Figure 5 As shown, in some possible embodiments provided in this application, the first connector 120 is configured to be movable, that is, the first connector 120 is movable relative to the first fixed end 110, and gaps are reserved between the first connector 120 and the first fixed end 110 in the front-back direction, the left-right direction, and the up-down direction, wherein the gaps in the front-back direction are as follows: Figure 4 As shown by the arrow X in the image, the left and right directions are as follows: Figure 4 As shown by the arrow Y in the image, the vertical direction is as follows: Figure 4 As indicated by arrow Z in the diagram. This increases the direction and range of motion of the first connector 120 relative to the first fixed end 110, allowing the first connector 120 to adapt to the position of the second connector 130 from multiple directions (front, back, left, right, up, down), ensuring a tight fit between the first connector 120 and the second connector 130 and guaranteeing reliable installation. The "front" of the first connector 120 can be understood as the direction in which the first connector 120 faces the second connector 130.

[0056] In some possible embodiments provided in this application, the second connector 130 is configured to be movable, that is, the second connector 130 is movable relative to the second fixed end, and gaps are reserved between the second connector 130 and the second fixed end in the front-back direction, the left-right direction, and the up-down direction, wherein the gaps in the front-back direction are as follows: Figure 4 As shown by the arrow X in the image, the left and right directions are as follows: Figure 4 As shown by the arrow Y in the image, the vertical direction is as follows: Figure 4 As indicated by arrow Z in the diagram. This increases the direction and range of motion of the second connector 130 relative to the second fixed end, allowing the second connector 130 to adapt to the position of the first connector 120 from multiple directions (front, back, left, right, up, down), ensuring a tight fit between the first connector 120 and the second connector 130 and guaranteeing reliable installation. The "front" of the second connector 130 can be understood as the direction in which the second connector 130 faces the first connector 120.

[0057] It is understandable that since there are certain manufacturing errors, such as machining dimensional errors, in the manufacturing process of the first connector 120 and the second connector 130, there will also be assembly errors in the assembly process. Therefore, it is necessary to give appropriate adjustment allowance to the movable first connector 120 and / or second connector 130 to offset the manufacturing and assembly errors between them.

[0058] In some possible embodiments provided in this application, when the first connector 120 is configured to be movable, the gap between the first connector 120 and the first fixed end 110 in the front-back direction is greater than or equal to 1 mm. By reasonably setting the gap between the first connector 120 and the first fixed end 110 in the front-back direction, the adjustment margin of the first connector 120 can accommodate the manufacturing errors and assembly errors of the first connector 120 and the second connector 130, so that the first connector 120 and the second connector 130 can achieve a tight fit.

[0059] To improve assembly reliability, the gap between the first connector 120 and the first fixed end 110 in the left-right direction is greater than or equal to 1 mm. Therefore, by reasonably setting the gap between the first connector 120 and the first fixed end 110 in the left-right direction, the adjustment allowance of the first connector 120 can accommodate the manufacturing and assembly errors of the first connector 120 and the second connector 130, ensuring a tight fit between them. To further improve assembly reliability, the gap between the first connector 120 and the first fixed end 110 in the up-down direction can also be greater than or equal to 1 mm, or greater than or equal to 2 mm.

[0060] Furthermore, to ensure the installation reliability of the first connector 120, the gap between the first connector 120 and the first fixed end 110 in the front-to-back direction can be 1mm, 2mm, 3mm, or other sizes. For example, the gap between the first connector 120 and the first fixed end 110 in the front-to-back direction can be greater than or equal to 1mm and less than 2mm, or greater than 5mm. Similarly, the gap between the first connector 120 and the first fixed end 110 in the left-to-right direction can be 1mm, 2mm, 3mm, or other sizes. For example, the gap between the first connector 120 and the first fixed end 110 in the left-to-right direction can be greater than or equal to 1mm and less than 2mm, or greater than 5mm, to meet the requirements of different assembly spaces, different manufacturing errors, and different assembly errors of the connector structure 100. It is understood that, to improve assembly reliability, the gap between the first connector 120 and the first fixed end 110 in the vertical direction can also be 1mm and less than 2mm, or greater than 2mm, or greater than 5mm.

[0061] For example, when the assembly space of the connector structure 100 is small, and the manufacturing and assembly errors are small, in order to ensure the installation reliability of the first connector 120, the gap between the first connector 120 and the first fixed end 110 in the front-back direction can be set to be greater than or equal to 1 mm and less than 2 mm, and / or, the gap between the first connector 120 and the first fixed end 110 in the left-right direction can be set to be greater than or equal to 1 mm and less than 2 mm. When the assembly space of the connector structure 100 is large, and the manufacturing and assembly errors are large, in order to ensure the installation reliability of the first connector 120, the gap between the first connector 120 and the first fixed end 110 in the front-back direction can be set to be greater than 5 mm; and / or, the gap between the first connector 120 and the first fixed end 110 in the left-right direction can be set to be greater than 5 mm.

[0062] In some possible embodiments provided in this application, when the second connector 130 is configured to be movable, the gap between the second connector 130 and the second fixed end in the front-back direction is greater than or equal to 1 mm. Thus, by reasonably setting the gap between the second connector 130 and the second fixed end in the front-back direction, the adjustment margin of the second connector 130 can accommodate the manufacturing and assembly errors of the first connector 120 and the second connector 130, so that the first connector 120 and the second connector 130 can achieve a tight fit.

[0063] To improve assembly reliability, the gap between the second connector 130 and the second fixed end in the left-right direction is greater than or equal to 1 mm. Therefore, by reasonably setting the gap between the second connector 130 and the second fixed end in the left-right direction, the adjustment allowance of the second connector 130 can accommodate the manufacturing and assembly errors of the first connector 120 and the second connector 130, ensuring a tight fit between them. Furthermore, to further improve assembly reliability, the gap between the second connector 130 and the second fixed end in the vertical direction can also be greater than or equal to 1 mm, or greater than or equal to 2 mm.

[0064] Furthermore, to ensure the installation reliability of the second connector 130, the gap between the second connector 130 and the second fixed end in the front-back direction can be 1mm, 2mm, 3mm, or other sizes. For example, the gap between the second connector 130 and the second fixed end in the front-back direction can be greater than or equal to 1mm and less than 2mm, or greater than 5mm. The gap between the second connector 130 and the second fixed end in the left-right direction can be 1mm, 2mm, 3mm, or other sizes. For example, the gap between the second connector 130 and the second fixed end in the left-right direction can be greater than or equal to 1mm and less than 2mm, or greater than 5mm, to meet the needs of different assembly spaces, different manufacturing errors, and different assembly errors of the connector structure 100.

[0065] For example, when the assembly space of the connector structure 100 is small, and the manufacturing and assembly errors are small, in order to ensure the installation reliability of the second connector 130, the gap between the second connector 130 and the second fixed end in the front-back direction can be set to be greater than or equal to 1 mm and less than 2 mm, and / or, the gap between the second connector 130 and the second fixed end in the left-right direction can be set to be greater than or equal to 1 mm and less than 2 mm. When the assembly space of the connector structure 100 is large, and the manufacturing and assembly errors are large, in order to ensure the installation reliability of the second connector 130, the gap between the second connector 130 and the second fixed end in the front-back direction can be set to be greater than 5 mm; and / or, the gap between the second connector 130 and the second fixed end in the left-right direction can be set to be greater than 5 mm.

[0066] In some possible embodiments provided in this application, the first connector 120 is configured to be movable, and the gap between the first connector 120 and the first fixed end 110 is 1 mm in the front-to-back direction, 1 mm in the left-to-right direction, and 2 mm in the up-down direction. Thus, while ensuring the reliability of the installation of the first connector 120 and the second connector 130, a compact layout of the first connector 120 and the first fixed end 110 is achieved, which helps to reduce the volume of the connector structure 100.

[0067] In some possible embodiments provided in this application, the second connector 130 is configured to be movable, with a 1mm gap between the second connector 130 and the second fixed end in the front-to-back direction, a 1mm gap in the left-to-right direction, and a 2mm gap in the up-down direction. Thus, while ensuring the reliability of the installation of the first connector 120 and the second connector 130, a compact layout of the second connector 130 and the second fixed end is achieved, which helps to reduce the volume of the connector structure 100.

[0068] In some possible embodiments provided in this application, both the first connector 120 and the second structure are configured to be movable. The gap between the first connector 120 and the first fixed end 110 is 1 mm in the front-back direction, 1 mm in the left-right direction, and 2 mm in the vertical direction. The gap between the second connector 130 and the second fixed end is 1 mm in the front-back direction, 1 mm in the left-right direction, and 2 mm in the vertical direction. Thus, while ensuring the reliability of the installation of the first connector 120 and the second connector 130, a compact layout of the first connector 120 and the first fixed end 110 is achieved. The compact layout of the second connector 130 and the second fixed end helps to reduce the volume of the connector structure 100.

[0069] like Figure 6 , Figure 7 , Figure 8 As shown, in some possible embodiments provided in this application, the first fixed end 110 includes two first sidewalls 111 and two second sidewalls 112 arranged opposite to each other. The two first sidewalls 111 are respectively provided with a connection interface. At least part of the first connector 120 is located inside the first fixed end 110. The two second sidewalls 112 limit the movement of the first connector 120 in the left and right directions.

[0070] Among them, such as Figure 6 As shown, the two first sidewalls 111 face the front and rear directions of the first connector 120, and the two second sidewalls 112 are located in the left and right directions of the first connector 120. The first sidewall 111 near the second connector 130 has a first pair of interfaces 113. The first connector 120 located inside the first fixed end 110 connects to the second connector 130 from the front through the first pair of interfaces 113. The first sidewall 111 away from the first connector 120 has a second pair of interfaces 114. The first connector 120 connects to the container 310 from the rear through the second pair of interfaces 114. For example, the first connector 120 connects to the connecting pipe 320 of the container 310 through the second pair of interfaces 114. The other end of the connecting pipe 320 connects to the outlet 314 of the container 310. It can be understood that the container 310 is also provided with a replenishment port 313 for replenishing liquid seasonings.

[0071] Specifically, the movement of the first connector 120 in the left and right directions is limited by the two second side walls 112, so that the first connector 120 has a certain adjustment margin in the left and right directions relative to the first fixed end 110.

[0072] like Figure 6 and Figure 7As shown, in some possible embodiments provided in this application, the first fixed end 110 further includes a bottom wall 115 connecting the first side wall 111 and the second side wall 112. A first limiting part 116 is provided on the bottom wall 115, and a first positioning part 121 is provided on the first connector 120. The first side wall 111 and the first limiting part 116 are located on both sides of the first positioning part 121, limiting the movement of the first connector 120 in the front-back direction, so that the first connector 120 has a certain adjustment margin in the front-back direction relative to the first fixed end 110.

[0073] The first sidewall 111 and the first limiting part 116, which are close to the second connector 130, can be located on both sides of the first positioning part 121, or the first sidewall 111 and the first limiting part 116, which are far from the second connector 130, can be located on both sides of the first positioning part 121, that is, the first sidewall 111 and the first limiting part 116 are located on the left and right sides of the first positioning part 121.

[0074] The first limiting part 116 can be a baffle protruding from the bottom wall 115, and the baffle and the first side wall 111 form a limiting groove. The first positioning part 121 can be a protrusion, which is accommodated in the limiting groove and is movable.

[0075] like Figure 6 and Figure 7 As shown, in some possible embodiments provided in this application, a second limiting part 117 is provided on the first sidewall 111 and / or the second sidewall 112, and a second positioning part 122 is provided on the first connector 120. The bottom wall 115 and the second limiting part 117 are located on both sides of the second positioning part 122, limiting the movement of the first connector 120 in the vertical direction, so that the first connector 120 has a certain adjustment margin in the vertical direction relative to the first fixed end 110.

[0076] The second limiting part 117 may be disposed on the first side wall 111, or the second limiting part 117 may be disposed on the second side wall 112, or the second limiting part 117 may be disposed on both the first side wall 111 and the second side wall 112. The second limiting part 117 and the bottom wall 115 are located on the left and right sides of the second positioning part 122.

[0077] The second limiting part 117 can be a baffle rib, which forms a limiting space with the bottom wall 115. The second positioning part 122 can be a protrusion, which is accommodated in the limiting groove and is movable. Specifically, the second limiting part 117 is a bent structure 231, which is bent downward, so that the second positioning part 122 is accommodated between the second limiting part 117 and the bottom wall 115, and the allowance is adjusted during the docking of the first joint 120 and the second joint 130.

[0078] like Figure 3 , Figure 8, Figure 9 and Figure 11 As shown, in some possible embodiments provided in this application, the connector structure 100 further includes: a sealing ring 150; one of the first connector 120 and the second connector 130 is provided with a groove structure 123, and the other is provided with a protrusion structure 131. The sealing ring 150 is located in the groove structure 123. The first connector 120 and the second connector 130 are configured to be connected by suction so that the protrusion structure 131 and the groove structure 123 come into contact and the sealing ring 150 is deformed. Thus, the sealing ring 150 is deformed by force to seal the connection position of the first connector 120 and the second connector 130, so that the first connector 120 and the second connector 130 are sealed and connected after being mated and suctioned.

[0079] Among them, such as Figure 3 As shown, the groove structure 123 can be disposed on the first connector 120, that is, the sealing ring 150 can be disposed within the groove structure 123 of the first connector 120, and the protrusion structure 131 can be disposed on the second connector 130; or, the groove structure 123 can be disposed on the second connector 130, that is, the sealing ring 150 can be disposed within the groove structure 123 of the second connector 130, and the protrusion structure 131 can be disposed on the first connector 120. Figure 3 ,to Figure 8 An embodiment is shown in which the groove structure 123 is disposed in the first connector 120.

[0080] like Figure 7 and Figure 11 As shown, in some possible embodiments provided in this application, the bottom of the groove structure 123 is provided with a first mounting groove 124 for accommodating the sealing ring 150, that is, the sealing ring 150 is installed in the first mounting groove 124. The sealing ring 150 protrudes from the bottom of the groove structure 123, and the plane where the bottom of the groove structure 123 is located is the suction surface. Thus, when the first connector 120 and the second connector 130 are suction connected, the protruding structure 131 contacts the plane of the bottom of the groove structure 123 and squeezes the sealing ring 150 protruding from the bottom of the groove structure 123, causing the sealing ring 150 to deform, so as to achieve the purpose of sealing the connection position of the first connector 120 and the second connector 130.

[0081] like Figure 8As shown, in some possible embodiments provided in this application, the sealing surface of the sealing ring 150 is provided with at least one annular rib 151. The sealing surface of the sealing ring 150 can be understood as the surface of the sealing ring 150 facing the protruding structure 131. In this way, after the first connector 120 and the second connector 130 are attracted together, under the action of the attraction force, the protruding structure 131 will squeeze the annular rib 151 during the contact with the bottom of the groove structure 123, thereby causing the annular rib 151 to undergo greater deformation, so as to improve the sealing effect of the sealing ring 150. At the same time, this arrangement allows the first connector 120 and the second connector 130 to still seal well after multiple insertions and removals, so as to extend the service life of the sealing ring 150 and improve the reliability of the sealing ring 150.

[0082] The number of annular ribs 151 can be one, two, three or more. Multiple annular ribs 151 can achieve multiple seals to improve the sealing effect.

[0083] like Figure 3 and Figure 11 As shown, in some possible embodiments provided in this application, the first connector 120 and the second connector 130 are provided with connected flow channels. For example, the first connector 120 is provided with a first flow channel 125, and the second connector 130 is provided with a second flow channel 132. When the first connector 120 and the second connector 130 are connected, the first flow channel 125 and the second flow channel 132 are connected to allow liquid to flow.

[0084] Among them, such as Figure 3 , Figure 10 and Figure 11 As shown, the magnetic attraction structure 140 includes a first magnetic ring 141 and a second magnetic ring 142 magnetically connected. The first magnetic ring 141 is connected to the first connector 120 and located on the outer periphery of the flow channel. The second magnetic ring 142 is connected to the second connector 130 and located on the outer periphery of the flow channel. A sealing ring 150 is located on the side of the first magnetic ring 141 and the second magnetic ring 142 closest to the flow channel. That is, the sealing ring 150 is designed at the center of the first connector 120, specifically inside the first magnetic ring 141. Therefore, the distance between the first magnetic ring 141 and the second magnetic ring 142 after they are attracted is greatly reduced, and the distance is closer. Under the same condition of two magnetic rings attracting each other, the magnetic attraction force is increased by more than 1 times, which reduces the requirements for the attraction field strength and size of the magnetic attraction structure 140, helps to save the manufacturing cost of the magnetic attraction structure 140, and can ensure a good sealing effect. Specifically, in some embodiments, the minimum spacing between the first magnetic ring 141 and the second magnetic ring 142 can be reduced from 4.7 mm in the related art to 2 mm - 2.5 mm, and the magnetic attraction force is increased by more than 1 times.

[0085] Furthermore, since the sealing ring 150 is located in the center and inside the first magnetic ring 141, impurities such as iron filings will not remain on the sealing ring 150 after being attracted by the magnetic ring. This reduces the leakage that may occur due to impurities such as iron filings remaining on the sealing ring 150, thus preventing the problem of material discharge accuracy caused by leakage. As a result, impurities such as iron filings will not affect the sealing performance of the sealing ring 150, which is beneficial to improving the material discharge accuracy.

[0086] Specifically, such as Figure 9 , Figure 10 and Figure 11 As shown, the first connector 120 has a second mounting groove 126, and the first magnetic ring 141 is installed in the second mounting groove 126. It can be understood that after the first magnetic ring 141 is installed in the second mounting groove 126, the opening of the second mounting groove 126 can be sealed by plugging or fixing objects to ensure the reliability and stability of the connection between the first magnetic ring 141 and the first connector 120. Specifically, the opening of the second mounting groove 126 can be located on the side of the first connector 120 facing the second connector 130, or it can be located on the side of the first connector away from the second connector 130.

[0087] Similarly, the second connector 130 has a third mounting groove, and the second magnetic ring 142 is installed in the third mounting groove. It is understood that after the second magnetic ring 142 is installed in the third mounting groove, the opening of the third mounting groove can be sealed by plugs or fixing objects to ensure the reliability and stability of the connection between the second magnetic ring 142 and the second connector 130. Specifically, the opening of the third mounting groove can be located on the side of the second connector 130 facing the first connector 120, or it can be located on the side of the second connector 130 away from the first connector 120.

[0088] like Figures 1 to 6 As shown, Figure 12 , Figure 13 and Figure 14 As shown in the second aspect of this application, an embodiment provides a liquid seasoning module 300, including a pump head structure 200 and the aforementioned connector structure 100, wherein the pump head structure 200 is connected to a container 310 via the connector structure 100. Since the liquid seasoning module 300 includes the connector structure 100 of any of the aforementioned embodiments, it has all the effects of the aforementioned connector structure 100, which will not be described in detail here.

[0089] like Figure 15 , Figure 16 , Figure 17 , Figure 23 , Figures 24 to 32As shown, in some possible embodiments provided in this application, the pump head structure 200 includes: a pump body 210, which is provided with an inlet 211 and an outlet 212; a pump housing 220, which is disposed inside the pump body 210; a second connector 130 of the connector structure 100 is connected to the pump housing 220; and the pump housing 220 is provided with an outlet connector 221. The inlet 211 and the second connector 130 are mated together, or the inlet 211 and the second connector 130 are connected through a first pipe 230. The outlet 212 and the outlet connector 221 are mated together, or the outlet 212 and the outlet connector 221 are connected through a second pipe 240.

[0090] This embodiment illustrates a specific scheme for connecting the second connector 130 to the pump head structure 200 via the second fixed end. The pump body 210 is disposed inside the pump housing 220, allowing the external pump housing 220 to provide good protection for the pump body 210, thus extending its service life. The pump body 210 is provided with an inlet 211 and an outlet 212 for the liquid flowing through it to circulate. The connector structure 100 is connected to the pump housing 220.

[0091] like Figure 23 , Figure 24 As shown, in some examples, the inlet 211 is mated with the second connector 130, allowing liquid in the container 310 to flow into the pump body 210 through the first connector 120, the second connector 130, and the inlet 211, thus enabling the pump body 210 to be filled with liquid. This configuration, with the inlet 211 directly connected to the second connector 130 without the need for an adapter, effectively reduces the overall volume occupied by the pump head structure 200, achieving miniaturization of the pump head structure 200 itself and the equipment containing the pump head structure 200.

[0092] like Figure 16 , Figure 17 , Figure 31 and Figure 32As shown, in some examples, the inlet 211 and the second connector 130 are connected through the first pipe 230, so that the liquid in the container 310 flows into the pump body 210 through the first connector 120, the second connector 130, the first pipe 230, and the inlet 211, thereby realizing the liquid inlet operation of the pump body 210. In this configuration, the inlet 211 and the second connector 130 are connected through the first pipe 230. Thus, the first pipe 230 can be used to connect the inlet 211 at different positions and the second connector 130 at different positions, reducing the mutual influence between the arrangement positions of the inlet 211 and the second connector 130. For example, it can reduce the coaxiality requirements of the inlet 211 and the second connector 130 during processing, thereby reducing the restrictions on the arrangement positions of the inlet 211 and the second connector 130 and increasing the range of arrangement positions of the inlet 211 and the second connector 130. This allows the arrangement positions of the inlet 211 and / or the second connector 130 to meet layout requirements, assembly requirements, and processing requirements, which helps to save assembly space and reduce the layout difficulty, assembly difficulty, and processing difficulty of the inlet 211 and / or the second connector 130, thereby improving the assembly efficiency and / or processing efficiency of the pump head structure 200.

[0093] like Figure 23 , Figure 24 , Figure 32 As shown, in some embodiments, the outlet 212 is mated with the outlet connector 221, allowing the liquid in the container 310 to flow out of the pump body 210 through the outlet 212 and the outlet connector 221, such as flowing towards the outlet component. This arrangement allows for direct mating between the outlet 212 and the outlet connector 221, eliminating the need for adapter pipes, thereby effectively reducing the overall volume occupied by the pump head structure 200, achieving miniaturization of the pump head structure 200 itself, and also miniaturizing the equipment containing the pump head structure 200.

[0094] like Figure 16 , Figure 17 As shown, in some embodiments, the outlet 212 and the outlet connector 221 are connected through a second pipe 240. Thus, the second pipe 240 can connect outlets 212 and outlet connectors 221 at different locations, reducing the mutual influence between their arrangement positions. For example, it can reduce the coaxiality requirements during the processing of outlets 212 and outlet connectors 221, thereby reducing the restrictions on their arrangement positions and increasing the range of their arrangement positions. This allows the arrangement positions of outlets 212 and / or outlet connectors 221 to meet layout, assembly, and processing requirements, saving assembly space and reducing the layout, assembly, and processing difficulties of outlets 212 and / or outlet connectors 221, thereby improving the assembly and / or processing efficiency of the pump head structure 200.

[0095] Specifically, the second pipe 240 is configured as a flexible component. This flexible second pipe 240 has a greater ability to adapt to deformation, reducing the requirements for the placement of the outlet 212 and the outlet connector 221, and increasing the range of their placement options. This allows the flexible second pipe 240 to smoothly connect the outlet 212 and the outlet connector 221. Simultaneously, the flexible second pipe 240 has good waterproof sealing performance and corrosion resistance, which helps extend the service life of the second pipe 240, thereby improving the reliability of the pump head structure 200 and extending its service life. Specifically, the second pipe 240 is a flexible hose.

[0096] like Figure 15 , Figure 16 , Figure 17 , Figure 29 , Figure 31 and Figure 32 As shown, in some possible embodiments provided in this application, the second connector 130 is located on the side wall of the pump housing 220 opposite to the inlet 211, the inlet 211 and the second connector 130 are arranged alternately, and the first pipeline 230 is provided with a bending structure 231.

[0097] In this embodiment, the second connector 130 is located on the side wall opposite to the inlet 211 of the pump housing 220, making the distance between the second connector 130 and the inlet 211 relatively close. In this way, the inlet 211 and the second connector 130 can be connected using the shorter first pipe 230, which helps to reduce the material used in the first pipe 230 and save costs. At the same time, it can reduce the space occupied by the first pipe 230, which can meet the design requirements of the pump head structure 200 to be compact and small in size.

[0098] The liquid inlet 211 and the second connector 130 are arranged alternately, and the first pipeline 230 is provided with a bending structure 231. Thus, the first pipeline 230 with the bending structure 231 can smoothly connect the alternately arranged liquid inlet 211 and the second connector 130, so as to ensure that the external liquid flows smoothly into the pump body 210 through the second connector 130, the first pipeline 230, and the liquid inlet 211 of the pump body 210. The staggered arrangement of the inlet 211 and the second connector 130 reduces the mutual influence between their positions. For example, it reduces the coaxiality requirements during the machining of the inlet 211 and the inlet interface 222 on the pump housing 220 where the second connector 130 is installed. This reduces the restrictions on the arrangement of the inlet 211 and the inlet interface 222 on the pump housing 220, and increases the range of the arrangement of the inlet 211 and the second connector 130. For example, the inlet interface 222 on the pump housing 220 can be arranged in a position that is convenient for assembling the second connector 130, thereby saving assembly space. This ensures that the arrangement of the inlet 211 and / or the second connector 130 meets the layout, assembly, and machining requirements, which helps to save assembly space and reduce the layout, assembly, and machining difficulties of the inlet 211 and / or the second connector 130, thereby improving the assembly and / or machining efficiency of the pump head structure 200.

[0099] The bending structure 231 can be at least one of Z-shape, S-shape, and N-shape.

[0100] Among them, the first pipe 230 is a flexible component. The flexible first pipe 230 has a large adaptability to deformation, good waterproof sealing performance and corrosion resistance, which helps to extend the service life of the first pipe 230. Specifically, the first pipe 230 is a flexible hose.

[0101] like Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, in some possible embodiments provided in this application, the inlet 211 and the outlet 212 are located on the same side of the pump body 210, the second connector 130 and the outlet connector 221 are located on different side walls of the pump housing 220, the inlet 211 and the second connector 130 are connected through the first pipeline 230, and the outlet 212 and the outlet connector 221 are connected through the second pipeline 240.

[0102] The inlet 211 and outlet 212 are located on the same side of the pump body 210, which facilitates the processing of the inlet 211 and outlet 212 at the same processing station, thus improving processing efficiency. At the same time, it enables the assembly connection of the first pipeline 230 to the inlet 211 and the second pipeline 240 to the outlet 212 at the same assembly station, which helps to improve the assembly efficiency of the pump head structure 200.

[0103] The second connector 130 and the liquid outlet connector 221 are located on different side walls of the pump casing 220, allowing them to be assembled from different directions within the pump casing 220. This provides ample assembly space for the second connector 130 and the liquid outlet connector 221, reducing assembly difficulty and improving assembly efficiency, thus enhancing the overall assembly efficiency of the pump head structure 200. Furthermore, this arrangement allows the container 310 connected to the second connector 130 and the liquid outlet component connected to the liquid outlet connector 221 to be positioned on different sides of the pump casing 220, achieving a rational layout.

[0104] Specifically, the second connector 130 and the liquid outlet connector 221 can be located on two adjacent side walls of the pump housing 220, or the second connector 130 and the liquid outlet connector 221 can be located on two opposite side walls of the pump housing 220.

[0105] like Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, the second connector 130 and the liquid outlet connector 221 are located on two opposite side walls of the pump housing 220. For example, the second connector 130 and the liquid outlet connector 221 of the pump head structure 200 can be located on the front and rear sides of the pump head structure 200 to achieve the forward and backward flow of liquid.

[0106] The second connector 130 and the inlet 211 are connected by the first pipeline 230, which reduces the requirements for the arrangement of the inlet 211 and the second connector 130 and reduces the layout difficulty, assembly difficulty and processing difficulty of the inlet 211 and / or the second connector 130.

[0107] Since the side wall of the pump casing 220 where the liquid outlet connector 221 is located is not opposite to the side wall of the pump body 210 where the liquid outlet 212 is located, the liquid outlet connector 221 and the liquid outlet 212 can be smoothly connected through the second pipeline 240. This reduces the requirements for the arrangement of the liquid outlet 212 and the liquid outlet connector 221, and reduces the layout difficulty, assembly difficulty, and processing difficulty of the liquid outlet and / or the liquid outlet connector 221.

[0108] Furthermore, such as Figure 16 and Figure 17 As shown, elastic clamps 232 are provided at the connection points of the first pipeline 230 with the second connector 130 and the liquid inlet 211 to prevent detachment and improve the reliability of the connection between the first pipeline 230 and the second connector 130 and the liquid inlet 211. Similarly, elastic clamps 232 can also be provided at the connection points of the second pipeline 240 with the liquid outlet connector 221 and the liquid outlet 212.

[0109] like Figures 20 to 32 As shown, in some embodiments, the inlet 211 and the outlet 212 are located on opposite sides of the pump body 210, and the second connector 130 and the outlet connector 221 are located on opposite sides of the pump housing 220. The inlet 211 and the second connector 130 are mated together, or the inlet 211 and the second connector 130 are connected through the first pipeline 230, and the outlet 212 and the outlet connector 221 are mated together.

[0110] In this embodiment, by providing a second connector 130 and a liquid outlet connector 221 on opposite sides of the pump housing 220, the pump head structure 200 forms a forward-outward structure.

[0111] Among them, such as Figure 20 , Figure 21 , Figure 22 , Figure 23 , Figure 24 As shown, by providing an inlet 211 on the pump body 210 that can directly mate with the second connector 130, and an outlet 212 on the pump body 210 that can directly mate with the outlet connector 221, the pump head structure 200 can be connected to external and internal components without the need for adapter pipes. The second connector 130 and the outlet connector 221 can be directly connected to the required components, thereby effectively reducing the overall volume occupied by the pump head structure 200, achieving miniaturization of the pump head structure 200 itself, and also miniaturizing the equipment with the pump head structure 200.

[0112] like Figure 29 , Figure 30 , Figure 31 , Figure 32As shown, an outlet 212 that can directly mate with the outlet connector 221 can also be provided on the pump body 210, so that no adapter pipe is needed between the outlet connector 221 and the outlet 212, thereby reducing the overall volume occupied by the pump head structure 200 and realizing the miniaturization of the pump head structure 200 itself. The inlet 211 and the second connector 130 of the pump body 210 can be connected through the first pipeline 230, thereby reducing the requirements for the arrangement position of the inlet 211 and the second connector 130, increasing the range of arrangement positions of the inlet 211 and the second connector 130, reducing the layout difficulty, assembly difficulty, and processing difficulty of the inlet 211 and / or the second connector 130, thereby improving the assembly efficiency and / or processing efficiency of the pump head structure 200.

[0113] In some possible embodiments provided in this application, the second connector 130 and / or the liquid outlet connector 221 are centrally located relative to the pump housing 220.

[0114] In this context, "centrally positioned" means that the second connector 130 or the liquid outlet connector 221 is located on the central axis of the pump casing 220.

[0115] like Figure 15 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, in some examples, when the second connector 130 of the pump head structure 200 is connected to the inlet 211 via the first pipe 230, and the outlet connector 221 is connected to the outlet 212 via the second pipe 240, the position of the second connector 130 does not affect the position of the inlet 211, and the position of the outlet connector 221 does not affect the position of the outlet 212. Therefore, the position of the pump body 210 can be flexibly set. For example, the pump body 210 can be upright, so that the bottom surface of the pump body 210 is basically parallel to the bottom surface of the pump casing 220. By centering the second connector 130 and / or the outlet connector 221 relative to the pump casing 220, it is beneficial to increase the assembly space and facilitate assembly. Specifically, the pump casing has an inlet port 222, and the second connector 130 is fixed to the inlet port 222 of the pump casing 220 by a retaining ring 143. The second connector 130 is designed with a pagoda structure for installing the first pipeline 130. The pump casing 220 is provided with an outlet port 223, and the outlet connector 221 is fixed to the outlet port 223 by a retaining ring 143. The outlet connector 221 is designed with a pagoda structure for installing the second pipeline 240.

[0116] like Figure 20 , Figure 21 , Figure 22 , Figure 23 , Figure 24As shown, in some examples, when the second connector 130 of the pump head structure 200 is directly connected to the inlet 211 and the outlet connector 221 is directly connected to the outlet 212, simplifying the first pipeline 230 and the second pipeline 240, the second connector 130 is centered relative to the pump housing 220, while the outlet connector 221 is offset by a certain distance relative to the center of the pump housing 220.

[0117] Specifically, in this embodiment, the second connector 130 and the outlet connector 221 are arranged with their axes parallel. The pump housing 220 has a central axis perpendicular to the rotation axis of the pump body 210, and the second connector 130 is located on the central axis. This ensures that the second connector 130 is approximately located in the center of the pump housing 220, maintaining the second connector 130 in a roughly centered position relative to the pump head structure 200, thus facilitating docking and cooperation with other components. Unlike the above, this embodiment does not center the outlet connector 221, but rather places it to one side, so that the axes of the second connector 130 and the outlet connector 221 do not coincide. Of course, the outlet connector 221 can also adopt the above arrangement, and the specific positions of the second connector 130 and the outlet connector 221 can be adjusted as needed, such as adopting a structure where their axes are parallel and coincident.

[0118] like Figures 24 to 25As shown, in order to match the centrally positioned second connector 130 described above, the arrangement of the pump body 210 has also been adjusted in this embodiment. The inlet 211 and / or outlet 212 have a first center point. Since this embodiment only centrally positions the second connector 130, the first center point is the center point of the inlet 211. The pump body 210 has a pump chamber 215 for pumping liquid, and the pump chamber 215 has a second center point. The first center point and the second center point are the geometric centers of the corresponding structures, and both the first center point and the second center point are located on the center line of gravity of the pump body 210. Thus, the pump body 210 is arranged in an inclined manner, meaning the bottom surface of the pump body 210 is angled to the bottom surface of the pump casing 220. When the pump body 210 is upright, the inlet 211 is located above the pump chamber 215, but offset from the direct top of the axis of the pump chamber 215. This results in an asymmetrical structure for this surface of the pump body 210. In this embodiment, the pump body 210 is arranged in an inclined manner, so that the inlet 211 is located directly above the axis of the pump chamber 215. In other words, the inlet 211 is also approximately located at the central axis of the pump head structure 200, centrally positioned, allowing it to cooperate with the second connector 130 on the pump casing 220 to achieve liquid intake. Similarly, the pump outlet can also adopt the above method, as long as it can cooperate with the outlet connector 221. Of course, in addition to the above-mentioned inclined arrangement of the pump body 210, the pump body 210 can also be upright, with the bottom surface of the pump body 210 being basically parallel to the bottom surface of the pump casing 220. In this case, the second connector 130 is not centered relative to the pump casing 220.

[0119] like Figure 29 , Figure 30 , Figure 31 and Figure 32 As shown, in some examples, when the outlet connector 221 and outlet port 212 of the pump head structure 200 are directly connected, simplifying the second pipeline 240, in order to achieve the pump body 210 in an upright position, that is, the bottom surface of the pump body 210 is basically parallel to the bottom surface of the pump housing 220, and the second connector 130 is centered relative to the pump housing 220, the second connector 130 and the inlet port 211 of the pump body 210 can be connected through the first pipeline 230.

[0120] Specifically, in this embodiment, the second connector 130 and the outlet connector 221 are arranged with their axes parallel. The second connector 130 is located on the central axis. To ensure the pump body 210 is upright, the second connector 130 and the inlet 211 are connected by a first pipe 230. This allows the second connector 130 to be approximately located in the center of the pump housing 220 when the pump body 210 is upright, maintaining the second connector 130 in a roughly centered position relative to the pump head structure 200, thus facilitating docking with other components. It is understood that in this embodiment, the outlet connector 221 is not also centered, but rather offset to one side, so that the axes of the second connector 130 and the outlet connector 221 are not coincident. Of course, the outlet connector 221 can also be arranged in the above manner, and the specific positions of the second connector 130 and the outlet connector 221 can be adjusted as needed, such as adopting a structure where their axes are parallel and coincident.

[0121] like Figures 20 to 28 As shown, in some possible embodiments provided in this application, the second connector 130 and the pump housing 220 are an integral structure, which makes the structure simpler, occupies less space, and simplifies the assembly steps of the second connector 130 and the pump housing 220, improving assembly efficiency. Alternatively, as... Figures 15 to 19 As shown, the second connector 130 and the pump housing 220 are separate structures. The second connector 130 and the pump housing 220 can be detachably connected to facilitate the maintenance and replacement of both components, thereby improving maintenance efficiency and saving replacement costs. Specifically, the second connector 130 can be detachably connected to the pump housing 220 via at least one of the following methods: bolt structure, plug-in structure, snap-fit ​​structure, tenon and mortise structure, and magnetic attraction structure 140. It is understood that in some examples, the second connector 130 can also be fixedly connected to the pump housing 220 by adhesive, welding, or other methods.

[0122] At least one first seal is provided between the second connector 130 and the pump housing 220. The first seal is configured to seal the gap between the second connector 130 and the pump housing 220, thereby improving the sealing performance at the connection point between the second connector 130 and the pump housing 220, reducing the risk of liquid or air leakage, and improving the reliability of the pump head structure 200. Specifically, the first seal can be a sealing ring, sealing cotton, or other sealing structure. The number of first seals can be one, two, or more. Specifically, there are two first seals, and the first seals are sealing rings. The two sealing rings can greatly improve the sealing performance at the connection point between the second connector 130 and the housing.

[0123] like Figures 20 to 32As shown, in some possible embodiments provided in this application, the liquid outlet connector 221 and the pump housing 220 are an integral structure, which makes the structure simpler, occupies less space, and simplifies the assembly steps of the liquid outlet connector 221 and the pump housing 220, thereby improving assembly efficiency. Alternatively, as... Figures 15 to 19 As shown, the outlet connector 221 and the pump housing 220 are separate structures. For example, the second connector 130 can be detachably connected to the pump housing 220, facilitating the disassembly and separation of the second connector 130 and the pump housing 220 for maintenance and replacement, thus improving maintenance efficiency and saving replacement costs. Specifically, the second connector 130 can be detachably connected to the pump housing 220 using at least one of the following methods: bolt structure, plug-in structure, snap-fit ​​structure, tenon and mortise structure, and magnetic attraction structure 140. It is understood that in some examples, the second connector 130 can also be fixedly connected to the pump housing 220 by adhesive, welding, or other methods.

[0124] Among them, such as Figure 16 and Figure 17 As shown, at least one second seal 224 is provided between the liquid outlet connector 221 and the pump housing 220. The second seal 224 is configured to seal the gap between the second connector 130 and the pump housing 220, thereby improving the sealing performance at the connection between the liquid outlet connector 221 and the pump housing 220, reducing the risk of liquid and air leakage, and improving the reliability of the pump head structure 200. Specifically, the second seal 224 can be a sealing ring, sealing cotton, or other sealing structure. The number of second seals 224 can be one, two, or more. Specifically, there are two second seals 224, which are sealing rings. The two sealing rings can greatly improve the sealing performance at the connection between the liquid outlet connector 221 and the housing.

[0125] like Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, in some possible embodiments provided in this application, the pump head structure 200 further includes: an annular diaphragm 260, a pump shaft 270, an eccentric wheel 271, and a first bearing 272. The annular diaphragm 260 is installed inside the pump body 210, and its two ends are connected to the pump body 210. The annular diaphragm 260 and the pump body 210 together form a pump chamber 215, that is, the outer wall of the pump body 210 and the inner wall of the annular diaphragm 260 together form the pump chamber 215. The pump chamber 215 is connected to the inlet 211 and the outlet 212. An eccentric wheel 271 located inside the annular diaphragm 260 is installed on the pump shaft 270. The first bearing 272 is sleeved on the outside of the eccentric wheel 271. The pump shaft 270 drives the eccentric wheel 271 to rotate, and the first bearing 272 periodically acts on the annular diaphragm 260 to change the volume of the pump chamber 215, thereby realizing the intake and discharge of liquid.

[0126] Specifically, when the volume of pump chamber 215 increases, a negative pressure is created that draws in liquid, allowing the liquid to enter pump chamber 215 through inlet 211; when the volume of pump chamber 215 decreases, liquid is discharged, allowing the liquid in pump chamber 215 to be discharged through outlet 212. Thus, the pump shaft 270 drives the eccentric wheel 271 to rotate, and the first bearing 272, sleeved outside the eccentric wheel 271, periodically acts on the annular diaphragm 260 to change the volume of pump chamber 215, enabling the pump head structure 200 to periodically achieve liquid intake and discharge.

[0127] like Figure 16 , Figure 17 , Figure 23 , Figure 24 , Figure 26 , Figure 27 , Figure 31 , Figure 32 As shown, in some embodiments, the pump head structure 200 further includes a heating element 250. The heating element 250 can be a component such as a heating coil. The heating element 250 is wound around the outside of the pump body 210. The heating element 250 can heat the liquid that needs to be heated and kept at a certain temperature, thereby improving the adaptability of the pump head structure 200 to liquids. Figure 28 As shown, in this embodiment, a wiring groove 216, a slot, a rib and other limiting structures are provided on the outer periphery of the pump body 210, so that the heating element 250 can be limited and installed at the limiting structure, thereby realizing the installation and fixation of the heating element 250.

[0128] like Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, the pump head structure 200 further includes an electrical connection wire 251, which passes through the pump housing 220 and connects to the heating element 250. The electrical connection wire 251 allows the heating element 250 to be easily connected to an external power source to supply power to the heating element 250.

[0129] like Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, in some possible embodiments provided in this application, the pump head structure 200 further includes a third seal 280, which is located at the end of the annular diaphragm 260 and connected to the pump body 210 and the annular diaphragm 260 to seal the pump chamber 215. The third seal 280 seals the gap between the pump body 210 and the annular diaphragm 260, which helps improve the sealing performance of the pump chamber 215, reduces air leakage in the pump chamber 215 that could affect the reliability of the pump head structure 200 in drawing in or discharging liquid, and improves the reliability of the pump head structure 200.

[0130] like Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, in the above embodiment, the contact surface between the third seal 280 and the annular diaphragm 260 is set as a guide slope 281, that is, the periphery of the third seal 280 is provided with a guide slope 281 that contacts the annular diaphragm 260. The guide slope 281 is inclined from the outside to the inside of the annular diaphragm 260 toward the direction close to the pump shaft 270. The third seal 280 is an elastic member, and the third seal 280 is configured to deform under the action of external force to provide a force close to the pump body 210 to the annular diaphragm 260.

[0131] In this embodiment, a guide slope 281 is provided on the periphery of the third seal 280. In a direction parallel to the pump shaft 270, the guide slope 281 is inclined from the outside to the inside of the annular diaphragm 260 towards the pump shaft 270. Specifically, the distance between the guide slope 281 located inside the annular diaphragm 260 and the pump shaft 270 is smaller, while the distance between the guide slope 281 located at the edge or outside of the annular diaphragm 260 and the pump shaft 270 is larger. The third seal 280 is an elastic element and contacts the annular diaphragm 260. Under external force, the third seal 280 deforms, and under the action of the guide slope 281, the annular diaphragm 260 moves closer to the pump body 210. This achieves the sealing purpose, improves the sealing performance at the connection between the annular diaphragm 260 and the pump body 210, and improves the sealing performance of the pump chamber 215.

[0132] Furthermore, the third seal 280 is an expansion plug with a bevel. When the expansion plug is pressed, it will squeeze the annular part to move towards the inner surface of the pump body 210 to achieve the purpose of sealing.

[0133] like Figure 16 , Figure 17 , Figure 23 , Figure 24As shown, in some possible embodiments provided in this application, the pump body 210 has a barrel-shaped structure with a first opening and a second opening 213 at its two ends. The pump body 210 is connected to the pump housing 220 to seal the first opening, and the pump body 210 is connected to the pressure cap 290 to seal the second opening 213. The annular diaphragm 260 is located outside the pump body 210 and is connected to the pump body 210. The third seal 280 is at least partially exposed in the opening. Since there are two openings, the number of third seals 280 can be one or two. One third seal 280 can be at least partially exposed in the first opening to seal the gap between the pump body 210 and the annular diaphragm 260 at the first opening. Alternatively, one third seal 280 can be at least partially exposed in the second opening 213 to seal the gap between the pump body 210 and the annular diaphragm 260 at the second opening 213. Or, two third seals 280 can be exposed in the first opening and the second opening 213 respectively to seal the gaps between the pump body 210 and the annular diaphragm 260 at the first opening and the gap between the pump body 210 and the annular diaphragm 260 at the second opening 213 respectively.

[0134] Among them, such as Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, during the process of connecting the pump body 210 and the pump housing 220 to seal the first opening, the pump body 210 is also configured to deform the third seal 280 exposed in the first opening. That is, the connection between the pump body 210 and the pump housing 220 can seal the first opening, and during the connection process, a force is applied to the third seal 280 exposed in the first opening to deform it. This causes the annular diaphragm 260 to move closer to the pump body 210 to achieve a seal, thereby improving the sealing performance between the annular diaphragm 260 and the pump body 210 at the first opening. Specifically, the pump body 210 and the pump housing 220 can be connected by at least one of the following: bolt structure, snap-fit ​​structure, plug-in structure, tenon and mortise structure, and magnetic attraction structure 140.

[0135] Among them, such as Figure 16 , Figure 17 , Figure 23 , Figure 24As shown, during the process of connecting the gland 290 to the pump body 210 to seal the second opening 213, it is also configured to deform the third seal 280 exposed in the second opening 213. That is, the connection between the gland 290 and the pump body 210 can seal the second opening 213, and during the connection process, the gland 290 and the pump body 210 will provide a force to the third seal 280 exposed in the second opening 213 to deform the third seal 280. This causes the annular diaphragm 260 to move closer to the pump body 210 to achieve the purpose of sealing, thereby improving the sealing performance between the annular diaphragm 260 and the pump body 210 at the second opening 213. Specifically, the gland 290 and the pump body 210 can be connected by at least one of the following: bolt structure, snap-fit ​​structure, plug-in structure, tenon structure, and magnetic attraction structure 140.

[0136] Specifically, such as Figure 16 , Figure 17 As shown, the gland 290 and the pump body 210 are detachably connected by bolts to facilitate the disassembly and assembly of the gland 290 and the pump body 210, and to facilitate the disassembly, assembly and maintenance of the pump head structure 200.

[0137] like Figure 16 , Figure 17 , Figure 23 , Figure 24 As shown, in some possible embodiments provided in this application, the pump head structure 200 further includes a second bearing 273, which is disposed at at least one end of the pump shaft 270. The second bearing 273 improves the stability and smoothness of the rotation of the pump shaft 270 relative to the pump body 210.

[0138] Specifically, the first end of the pump shaft 270 can be rotatably connected to the pump body 210 via the second bearing 273, and the second end of the pump shaft 270 can be suspended in the air. Alternatively, the second end of the pump shaft 270 can be rotatably connected to the gland 290 via the second pump shaft 270. It is understood that having the second bearing 273 at both ends of the pump shaft 270 can greatly improve the stability of the pump shaft 270's rotation.

[0139] like Figure 16 , Figure 17 , Figure 23 , Figure 24As shown, in some possible embodiments provided in this application, the pump housing 220 includes a detachably connected base 225 and a cover 226. This arrangement facilitates the disassembly, assembly, and maintenance of components such as the pump body 210, annular diaphragm 260, pump shaft 270, eccentric wheel 271, third seal 280, and pressure cap 290 located within the pump housing 220, thereby improving the maintenance efficiency of the entire pump head structure 200 and saving replacement costs. It is understood that the base 225 and cover 226 can be detachably connected via at least one of bolt structure, snap-fit ​​structure, plug-in structure, tenon and mortise structure, and magnetic attraction structure 140. Specifically, the base 225 and cover 226 are detachably connected via a connector 214, which is a non-removable screw.

[0140] In the above embodiment, the pump body 210 is mounted on the base 225, the second connector 130 is disposed on the cover 226, and the liquid outlet connector 221 is disposed on the base 225, so that the liquid outlet interface 223 and the liquid inlet interface 222 are located on different sides of the pump housing 220, so that the liquid inlet and liquid outlet of the entire pump head structure 200 are located on different sides of the pump housing 220, so as to achieve a reasonable layout.

[0141] like Figure 18 As shown, in the above embodiment, the seat 225 has a through hole 2251 opposite to the pump shaft 270 on the side away from the cover 226. A boss 2252 is provided on the periphery of the through hole 2251, and a limiting structure matching the housing of the drive unit is provided on the boss 2252.

[0142] In this embodiment, the pump head structure 200 includes a drive unit, which includes an output shaft and a housing. The through hole 2251 on the base 225 facilitates the output shaft of the drive unit to extend into the interior of the pump housing 220 through the through hole 2251 and be poweredly connected to the pump shaft 270, thereby causing the output shaft of the drive unit to rotate and drive the pump shaft 270 to rotate. Specifically, as shown... Figure 24 As shown, the pump shaft 270 includes a drive end 275, and the output shaft of the drive unit is connected to the drive end 275 of the pump shaft 270 to realize power transmission.

[0143] like Figure 18As shown, the limiting structure on the boss 2252 on the periphery of the through hole 2251 matches the housing of the drive unit, effectively limiting the movement of the drive unit's housing relative to the pump housing 220. The relative position of the drive unit's housing and the output shaft can be determined by the design of the drive unit, and the relative position of the pump shaft 270 and the pump housing 220 can be determined by the design of the pump head structure 200. Therefore, by matching the limiting structure with the housing of the drive unit, the movement of the drive unit's housing relative to the pump housing 220 is limited, enabling pre-positioning of the drive unit's output shaft and the pump shaft 270 during assembly. This improves the accuracy and speed of the power connection between the drive unit's output shaft and the pump shaft 270, and facilitates maintenance and parts replacement. Specifically, the limiting structure can be a recess, a protrusion, or a combination of both.

[0144] Furthermore, the drive unit and pump head structure 200 are separate units, no longer an integrated structure. This facilitates disassembly and separation of the drive unit and pump head structure 200 for separate maintenance of each component. Compared to related technologies where the drive unit and pump head structure are integrated, this design simplifies maintenance and reduces or avoids the need to replace the entire drive unit and pump head due to a fault. In this embodiment, the faulty pump head structure 200 or faulty drive unit can be replaced individually after disassembly, saving on maintenance and replacement costs. Additionally, this design allows users to directly replace the pump head themselves after damage to the pump head structure 200, eliminating the need for on-site after-sales service, simplifying operations and reducing after-sales costs.

[0145] Specifically, such as Figure 17 As shown, the output shaft of the drive unit and the pump shaft 270 of the pump head structure 200 can be connected and transmit power via a splined shaft. The second splined structure of the splined shaft is mounted on the output shaft of the drive unit, and the first splined structure 274 of the splined shaft is connected to the pump shaft 270. When the pump head structure 200 is inserted into the output shaft of the drive unit, the output shaft of the drive unit and the pump shaft 270 rotate synchronously, thus enabling the operation of the pump head structure 200. If the pump head structure 200 fails, the user can directly pull it out of the output shaft of the drive unit for replacement; the operation is convenient and the replacement is simple. Specifically, the drive unit can be a motor or other drive structure. Specifically, the first splined structure 274 can also be understood as the drive end 275 of the pump shaft 270.

[0146] like Figures 1 to 5 As shown, in some possible embodiments provided in this application, the first connector 120 of the connector structure 100 is assembled to the container 310 via a first fixing device, and the first connector 120 is configured to communicate with the connecting pipe 320 of the container 310. The first fixing end 110 can be a fixing seat, a fixing frame, or other structure. The first fixing end 110 is connected to the outer wall of the container 310.

[0147] Furthermore, such as Figure 4 and Figure 5 As shown, the first fixed end 110 is detachably connected to the outer wall of the container 310 to facilitate the removal of the first connector 120 from the container 310 for maintenance and replacement. Specifically, the first fixed end 110 is provided with a first mating part 118, and the container 310 is provided with a second mating part 311. The first mating part 118 and the second mating part 311 cooperate to achieve a detachable connection between the first fixed end and the container 310. For example, the first fixed end 110 can be detachably connected using at least one of the following methods: bolt structure, plug-in structure, snap-fit ​​structure, and tenon and mortise structure. Figure 4 and Figure 5 As shown, the first mating part 118 is a hook, and the second mating part 311 is a groove.

[0148] like Figure 4 , Figure 5 , Figure 6 As shown, in some embodiments, the container 310 is provided with a notch structure 312, and the first connector 120 is located within the notch structure 312. The shape of the notch structure 312 matches the shape of the pump head structure 200 to accommodate at least a portion of the pump head structure 200. This allows for a compact layout of the container 310 and the pump head structure 200, maximizing the volume of the container 310 while maintaining the same space occupied by the liquid condiment module 300. This allows the container 310 to utilize space to store a larger amount of liquid condiment, reducing the frequency of refilling the container 310 and simplifying user operation.

[0149] Understandably, as the volume of the pump head structure 200 decreases, the size of the corresponding container 310 also decreases further. In order to maximize the use of space, a notch structure 312 is provided on the container 310 so that the bottom of the container 310 extends backward to below the pump head structure 200, which can maximize the use of space to store more liquid seasonings.

[0150] An embodiment of the third aspect of this application provides a batching device, including: a device body and the aforementioned liquid seasoning module 300. The liquid seasoning module 300 is mounted on the device body, and the device body is provided with a liquid outlet component communicating with the liquid outlet connector 221 of the pump head structure 200. Since the batching device includes the aforementioned liquid seasoning module 300, it has all the technical effects of the aforementioned liquid seasoning module 300, which will not be described in detail here.

[0151] In this system, the drive unit in the liquid seasoning module 300 operates, driving the pump head structure 200 to operate. The liquid seasoning contained in the container 310 flows into the pump head structure 200 through the first connector 120 and the second connector 130, and then flows through the outlet connector 221 of the pump head structure 200 to the outlet of the mixing equipment to dispensing the liquid seasoning. If the mixing equipment also includes a pot, the liquid seasoning module 300 can dispense the liquid seasoning from the outlet into the pot to achieve the same dispensing process.

[0152] The liquid seasoning module 300 can be installed on the main body of the equipment through a detachable connection scheme, such as by using at least one of the following: bolt structure, snap-fit ​​structure, magnetic structure 140, and tenon and mortise structure.

[0153] In the description of this application, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0154] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A connector structure (100), characterized in that, include: First fixed end (110); Second fixed end; The first connector (120) is disposed on the first fixed end (110); The second connector (130) is disposed at the second fixed end, and the second connector (130) and the first connector (120) are connected by magnetic attraction structure (140); The first connector (120) is movable relative to the first fixed end (110) and is constrained by the first fixed end (110), and the gap between the first connector (120) and the first fixed end (110) in the front-back direction is greater than or equal to 1 mm; and / or, the second connector (130) is movable relative to the second fixed end and is constrained by the second fixed end, and the gap between the second connector (130) and the second fixed end in the front-back direction is greater than or equal to 1 mm.

2. The joint structure (100) according to claim 1, characterized in that, A gap is reserved between the first connector (120) and the first fixed end (110) in the left-right direction and the up-down direction; and / or, There are gaps between the second connector (130) and the second fixed end in the left-right and up-down directions.

3. The joint structure (100) according to claim 2, characterized in that, The gap between the first connector (120) and the first fixed end (110) in the left-right direction is greater than or equal to 1 mm; The gap between the second connector (130) and the second fixed end in the left-right direction is greater than or equal to 1 mm.

4. The joint structure (100) according to claim 2, characterized in that, The gap between the first connector (120) and the first fixed end (110) in the front-to-back direction is 1mm, and the gap in the left-to-right direction is 1mm. The gap between the second connector (130) and the second fixed end is 1mm in the front-to-back direction and 1mm in the left-to-right direction.

5. The joint structure (100) according to claim 1, characterized in that, The first fixed end (110) includes two first sidewalls (111) and two second sidewalls (112) arranged opposite to each other. The two first sidewalls (111) are respectively provided with a connection interface. At least part of the first connector (120) is located inside the first fixed end (110). The two second sidewalls (112) limit the movement of the first connector (120) in the left and right directions.

6. The joint structure (100) according to claim 5, characterized in that, The first fixed end (110) also includes a bottom wall (115) connecting the first side wall (111) and the second side wall (112). The bottom wall (115) is provided with a first limiting part (116), and the first connector (120) is provided with a first positioning part (121). The first side wall (111) and the first limiting part (116) are located on both sides of the first positioning part (121) to limit the movement of the first connector (120) in the front-back direction.

7. The joint structure (100) according to claim 6, characterized in that, A second limiting part (117) is provided on the first sidewall (111) and / or the second sidewall (112), and a second positioning part (122) is provided on the first connector (120). The bottom wall (115) and the second limiting part (117) are located on both sides of the second positioning part (122) to limit the movement of the first connector (120) in the up and down direction.

8. The joint structure (100) according to claim 1, characterized in that, Also includes: Sealing ring (150); One of the first connector (120) and the second connector (130) is provided with a groove structure (123), and the other is provided with a protrusion structure (131). The sealing ring (150) is located in the groove structure (123). The first connector (120) and the second connector (130) are configured to engage so that the protrusion structure (131) and the groove structure (123) come into contact and the sealing ring (150) deforms.

9. The joint structure (100) according to claim 8, characterized in that, The groove structure (123) has a first mounting groove (124) at the bottom for accommodating the sealing ring (150). The sealing ring (150) protrudes from the bottom of the groove structure (123), and the plane where the bottom of the groove structure (123) is located is a suction surface; and / or The sealing surface of the sealing ring (150) is provided with at least one annular rib (151). The first connector (120) and the second connector (130) are provided with a connected flow channel. The magnetic structure (140) includes a first magnetic ring (141) and a second magnetic ring (142) that are magnetically connected. The first magnetic ring (141) is connected to the first connector (120) and located on the outer periphery of the flow channel. The second magnetic ring (142) is connected to the second connector (130) and located on the outer periphery of the flow channel. The sealing ring (150) is located on the side of the first magnetic ring (141) and the second magnetic ring (142) close to the flow channel.

10. A liquid seasoning module (300), characterized in that, include: The pump head structure (200) and the connector structure (100) according to any one of claims 1 to 9, wherein the pump head structure (200) is in communication with the container through the connector structure (100).

11. The liquid seasoning module (300) according to claim 10, characterized in that, The pump head structure (200) includes: Pump body (210), the pump body (210) is provided with liquid inlet (211) and liquid outlet (212); Pump housing (220), pump body (210) is disposed inside the pump housing (220), the second connector (130) of the connector structure (100) is connected to the pump housing (220), and the pump housing (220) is provided with a liquid outlet connector (221). The liquid inlet (211) is mated with the second connector (130), or the liquid inlet (211) and the second connector (130) are connected through the first pipeline (230); The liquid outlet (212) is connected to the liquid outlet connector (221), or the liquid outlet (212) and the liquid outlet connector (221) are connected through a second pipeline (240).

12. The liquid seasoning module (300) according to claim 11, characterized in that, The second connector (130) is located on the side wall of the pump housing (220) opposite to the inlet (211). The inlet (211) and the second connector (130) are arranged alternately. The first pipeline (230) is provided with a bending structure (231).

13. The liquid seasoning module (300) according to claim 12, characterized in that, The inlet (211) and the outlet (212) are located on the same side of the pump body (210), the second connector (130) and the outlet connector (221) are located on different side walls of the pump casing (220), the inlet (211) and the second connector (130) are connected through the first pipeline (230), and the outlet (212) and the outlet connector (221) are connected through the second pipeline (240); The inlet (211) and outlet (212) are located on opposite sides of the pump body (210), and the second connector (130) and outlet connector (221) are located on opposite sides of the pump casing (220). The inlet (211) and the second connector (130) are connected, or the inlet (211) and the second connector (130) are connected through the first pipeline (230), and the outlet (212) and the outlet connector (221) are connected.

14. The liquid seasoning module (300) according to claim 13, characterized in that, The second connector (130) and / or the liquid outlet connector (221) are centrally located relative to the pump housing (220); The axes of the second connector (130) and the liquid outlet connector (221) do not coincide.

15. The liquid seasoning module (300) according to claim 11, characterized in that, The second connector (130) and the pump housing (220) are integral structures, or the second connector (130) and the pump housing (220) are separate structures. At least one first sealing element is provided between the second connector (130) and the pump housing (220), and the first sealing element is configured to seal the gap between the second connector (130) and the pump housing (220). The liquid outlet connector (221) and the pump housing (220) are integral structures, or the liquid outlet connector (221) and the pump housing (220) are separate structures. At least one second seal (224) is provided between the liquid outlet connector (221) and the pump housing (220). The second seal (224) is configured to seal the gap between the second connector (130) and the pump housing (220).

16. The liquid seasoning module (300) according to claim 11, characterized in that, The pump head structure (200) further includes: an annular diaphragm (260), a pump shaft (270), an eccentric wheel (271), and a first bearing (272). The annular diaphragm (260) is installed inside the pump body (210), and the two ends of the annular diaphragm (260) are connected to the pump body (210). The annular diaphragm (260) and the pump body (210) together form a pump chamber (215). The pump chamber (215) is connected to the inlet (211) and the outlet (212). 212) Connected, an eccentric wheel (271) is installed on the pump shaft (270) inside the annular diaphragm (260), the first bearing (272) is sleeved on the outside of the eccentric wheel (271), the pump shaft (270) is rotatably inserted through the pump housing (220), the pump shaft (270) drives the eccentric wheel (271) to rotate, and the first bearing (272) periodically acts on the annular diaphragm (260) to change the volume of the pump chamber (215); The pump head structure (200) also includes a heating element (250), which is arranged around the outside of the pump body (210); The pump head structure (200) further includes a second bearing (273), which is disposed at at least one end of the pump shaft (270); The pump head structure (200) further includes a third seal (280), which is located at the end of the annular diaphragm (260). The third seal (280) is connected to the pump body (210) and the annular diaphragm (260) to seal the pump chamber (215). The contact surface between the third seal (280) and the annular diaphragm (260) is configured as a guide slope (281). The third seal (280) is an elastic element and is configured to deform under external force to provide a force close to the pump body (210) to the annular diaphragm (260).

17. The liquid seasoning module (300) according to claim 16, characterized in that, The pump body (210) is configured as a barrel-shaped structure with openings at both ends, and the third seal (280) is at least partially exposed in the openings. The opening includes a first opening, the pump body (210) being connected to the pump housing (220) to seal the first opening, and is further configured to deform the third seal (280) exposed in the first opening; and / or The opening includes a second opening (213), and the pump head structure (200) further includes a gland (290) located inside the pump housing (220), the gland (290) being connected to the pump body (210) to seal the second opening (213), the gland (290) being further configured to deform the third seal (280) exposed in the second opening (213); The pump housing (220) includes a detachably connected base (225) and a cover (226). The pump body (210) is mounted on the base (225), the second connector (130) is disposed on the cover (226), and the liquid outlet connector (221) is disposed on the base (225). The seat (225) has a through hole (2251) on the side away from the cover (226) that is opposite to the pump shaft (270). A boss (2252) is provided on the periphery of the through hole (2251), and a limiting structure matching the housing of the drive unit is provided on the boss (2252).

18. A batching device, characterized in that, include: The device body, and the liquid seasoning module (300) as described in any one of claims 10 to 17, wherein the liquid seasoning module (300) is mounted on the device body, and the device body is provided with a liquid outlet component communicating with the liquid outlet connector (221) of the pump head structure (200).

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