Coffee machine and extraction device thereof

Abstract

The invention relates to a coffee machine and an extraction device thereof, and the extraction device comprises a base and a cover body provided with a water filling nozzle; the mounting frame is hinged to the base; the funnel is detachably inserted into the mounting frame; the powder bowl is arranged in the funnel, and the bowl opening faces the cover body; wherein the mounting frame is configured to be capable of rotating to a first position where the cover body seals the bowl opening of the powder bowl and a second position where the cover body is separated from the powder bowl, and when the cover body seals the bowl opening, the water injection opening is communicated with the bowl opening. The technical problem to be solved is that a funnel of a coffee machine is difficult to install.

Description

Technical Field

[0001] This article relates to the field of home appliance technology, and in particular to a coffee machine and an extraction device thereof. Background Art

[0002] When using a traditional Italian semi-automatic coffee machine to brew coffee, it is necessary to align the clip part of the funnel with the entrance of the slot on the machine body, and then rotate the funnel to screw the clip part of the funnel into the slot to install the funnel on the machine body.

[0003] However, since the card slot is set on a downward wall of the fuselage, the installation space below the wall is narrow and low. The user cannot directly observe the card slot during the installation of the funnel. The user can only rely on experience or multiple alignments to align the card portion of the funnel with the card slot of the fuselage, resulting in a poor user experience. Summary of the Invention

[0004] The technical problem to be solved by this application is that the funnel of a coffee machine is difficult to install.

[0005] The present application provides an extraction device for a coffee machine, comprising:

[0006] The base comprises a cover body provided with a water inlet;

[0007] A mounting frame hinged to the base;

[0008] a funnel configured to be detachably inserted into the mounting frame; and

[0009] A powder bowl is arranged in the funnel, with the bowl opening facing the cover;

[0010] Wherein, the mounting frame is configured to be rotatable to a first position where the cover seals the bowl mouth of the powder bowl and a second position where the cover is separated from the powder bowl, and when the cover seals the bowl mouth, the water inlet is connected to the bowl mouth.

[0011] In an exemplary embodiment, the mounting bracket includes two mounting arms disposed side by side, the mounting arms including opposing first and second ends;

[0012] A first matching portion extending from the first end to the second end is provided on one side of the two mounting arms facing each other;

[0013] Two second matching parts are respectively provided on opposite sides of the funnel, the two first matching parts correspond to the two second matching parts respectively, and each second matching part can be inserted into the corresponding first matching part from the first end and can slide along the first matching part;

[0014] Wherein, one of the first matching portion and the second matching portion is a groove, and the other is a protrusion.

[0015] In an exemplary embodiment, the base further comprises a hinge seat provided on one side of the cover body, and the hinge seat is provided with a first shaft hole;

[0016] The mounting frame further includes a connecting arm, wherein both ends of the connecting arm are respectively connected to the second ends of the two mounting arms;

[0017] A hinged frame is provided on a side of the connecting arm facing away from the mounting arm, and the hinged frame is provided with a second shaft hole;

[0018] The extraction device further includes a first rotating shaft passing through the first axial hole and the second axial hole, and the first rotating shaft is perpendicular to the mounting arm.

[0019] In an illustrative embodiment, the extraction device further comprises an elastic sheath configured in an arc shape;

[0020] Opposite sides of the elastic sheath are respectively connected to the two second ends, the opening of the elastic sheath is located between the two mounting arms and faces the same direction as the first end, and the width of the opening of the elastic sheath is smaller than the maximum outer diameter of the side wall of the funnel;

[0021] The elastic sheath is configured to limit the funnel to a position where the bowl mouth and the cover body are aligned when the funnel is clamped.

[0022] In an exemplary embodiment, the elastic sheath includes a rigid arm connected to the second end and configured in a semicircular arc shape, and two elastic arms extending from opposite ends of the rigid arm, respectively, with the opening formed between the two elastic arms.

[0023] In an exemplary embodiment, the extraction device further comprises:

[0024] a locking mechanism configured to secure the mounting bracket when the mounting bracket is rotated to the first position; and

[0025] The unlocking mechanism is configured to release the fixing of the mounting bracket by the locking mechanism.

[0026] In an exemplary embodiment, the base further comprises a guide portion connected to the cover, and the guide portion is provided with a slideway;

[0027] The locking mechanism includes a lock tongue that can slide along the slide and a first elastic member, wherein the first elastic member is used to apply elastic force to the lock tongue so that the lock tongue partially extends out of the slide;

[0028] The mounting bracket includes a hook, wherein the hook is configured to hook the portion of the locking tongue extending out of the slide when the mounting bracket is in the first position;

[0029] The unlocking mechanism is configured to drive the lock tongue to slide into the slideway.

[0030] In an exemplary embodiment, the slide includes a front end and an end opposite to the front end, and the locking tongue can extend from the front end into the slide;

[0031] Two ends of the first elastic member respectively abut against the locking tongue and the wall surface of the end.

[0032] In an exemplary embodiment, the portion of the locking tongue that can extend out of the slideway is provided with a first inclined surface;

[0033] The hook includes a support arm and a hook portion provided at one end of the support arm;

[0034] The hook portion is provided with a second inclined surface, and the second inclined surface can abut against the first inclined surface and cooperate with each other when abutting against each other;

[0035] The hook is configured such that when the mounting bracket rotates from the second position to the first position, the second inclined surface presses the first inclined surface to make the locking tongue slide into the slide channel.

[0036] In an illustrative embodiment, the hook includes a protrusion provided on one side of the hook portion;

[0037] The base further includes a guide groove connected to the cover, wherein the guide groove accommodates the protrusion;

[0038] The guide groove extends along a movement path of the protrusion.

[0039] In an exemplary embodiment, the base further comprises a support connected to the cover;

[0040] The unlocking mechanism includes an unlocking member hinged to the support and a bracket connected to the lock tongue and abutting against the unlocking member;

[0041] The unlocking member is configured to push the bracket to move when it is rotated in the opening direction, and the moving direction of the bracket is opposite to the direction of the elastic force applied by the first elastic member to the lock tongue.

[0042] In an exemplary embodiment, the support is provided with a third axial hole;

[0043] A first strip-shaped hole is provided on a side of the guide portion facing away from the mounting frame;

[0044] The bracket comprises:

[0045] a connecting post, passing through the first strip-shaped hole and having one end connected to the locking tongue;

[0046] A pressure-bearing portion is provided on one side of the support and is provided with a second strip-shaped hole, wherein the cross-sectional extension direction of the first strip-shaped hole and the second strip-shaped hole is the same as the extension direction of the slideway; and

[0047] a connecting portion connecting the other end of the connecting column and the pressure-bearing portion;

[0048] The unlocking member comprises:

[0049] The rotating part is provided with a fourth axial hole coaxial with the third axial hole;

[0050] a pushing portion, disposed at one end of the rotating portion and abutting against an end of the pushing portion and a portion of the lock tongue extending out of the slideway facing the same direction; and

[0051] a handle connected to the rotating portion;

[0052] The unlocking mechanism further includes a second rotating shaft perpendicular to the slideway, and the second rotating shaft is passed through the third shaft hole, the second strip hole and the fourth shaft hole;

[0053] Wherein, the distance from the end of the handle facing away from the rotating part to the second rotating shaft is smaller than the distance from the part where the pressure-bearing part and the pushing part abut against each other to the second rotating shaft.

[0054] In an exemplary embodiment, the unlocking mechanism further includes a second elastic member;

[0055] Two ends of the second elastic member are respectively connected to the unlocking member and the bracket, and the second elastic member is in a stretched elastic deformation state;

[0056] The second elastic member and the pushing portion are respectively located on two opposite sides of the second rotating shaft.

[0057] In an exemplary embodiment, the mounting frame is located below the base, the funnel can drive the mounting frame to rotate in a vertical plane so that the mounting frame rotates between the first position and the second position, and the base is maintained in a horizontal state.

[0058] The present application also proposes a coffee machine, which includes the extraction device as described above and a coffee machine body;

[0059] The base and the coffee machine body are an integral structure, or the base and the coffee machine body are detachably connected.

[0060] When using the extraction device, first place the coffee powder into the powder basket and place the powder basket into the funnel. Then, rotate the mounting frame to the second position, and then insert the funnel containing the powder basket onto the mounting frame; then rotate the mounting frame to the first position, the mouth of the powder basket is sealed by the cover, and the water inlet on the cover is connected to the mouth of the powder basket. At this time, the water inlet of the cover can inject brewing water and / or water vapor into the powder basket to extract the coffee powder in the powder basket to obtain coffee liquid, and the coffee liquid flows downward out of the powder basket and funnel. After the extraction of the coffee powder is completed, rotate the mounting frame to the second position again, and the powder basket and the cover are separated. Since the funnel and the mounting frame are detachably connected, the funnel can be removed from the mounting frame to facilitate cleaning of the funnel and powder basket.

[0061] Since the funnel and the mounting frame are connected by plug-in, the funnel is easy to assemble on the mounting frame and also easy to disassemble from the mounting frame. Moreover, since the mounting frame is in the second position when the funnel is inserted into the mounting frame, the mounting frame and the cover are open at this time, and the user can intuitively see the mounting frame. During the insertion process, the user can conveniently align the funnel with the mounting frame. After the funnel is inserted into place, the mounting frame can be rotated to the first position to complete the installation of the funnel. This is more convenient and improves the user experience.

[0062] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. Other advantages of the present application can be realized and obtained by the solutions described in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] The accompanying drawings are used to provide an understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0064] Figure 1 is a perspective schematic diagram of an extraction device of a coffee machine according to an embodiment of the present application;

[0065] Figure 2 This is a disassembled schematic diagram of an extraction device of a coffee machine according to an embodiment of the present application;

[0066] Figure 3 is a full cross-sectional schematic diagram of the extraction device with the mounting frame in the first position according to an embodiment of the present application;

[0067] Figure 4 is a full cross-sectional schematic diagram of the extraction device with the mounting frame in the second position according to an embodiment of the present application;

[0068] Figure 5 This is a partial disassembly diagram of the extraction device in the embodiment of the present application;

[0069] Figure 6 This is a schematic diagram of a funnel in an embodiment of the present application;

[0070] Figure 7 This is a disassembled schematic diagram of the locking mechanism and unlocking structure in the embodiment of the present application.

[0071] Reference numerals:

[0072] 100. Extraction device; 1. Base; 11. Cover; 111. Water inlet; 12. Guide portion; 121. Slide; 1211. Front end; 1212. End; 13. Articulated seat; 131. First axial hole; 14. Support; 141. Third axial hole; 15. Cone; 151. Annular groove; 16. Guide groove; 2. Mounting frame; 21. Mounting arm; 211. First mating portion; 212. First end; 213. Second end; 22. Connecting arm; 23. Articulated frame; 231. Second axial hole; 24. Hook; 241. Support arm; 242. Hook portion; 243. Protrusion; 3. Locking mechanism ;31. Lock tongue;311. First inclined surface;32. First elastic member;4. Unlocking mechanism;41. Unlocking member;411. Rotating portion;4111. Fourth axial hole;412. Pushing portion;413. Handle;42. Bracket;421. Connecting column;422. Connecting portion;423. Pressure-bearing portion;43. Second rotating shaft;44. Second elastic member;5. Funnel;51. Second matching portion;52. Side wall;53. Bottom wall;6. Powder bowl;61. Flanged edge;62. Mesh;7. First rotating shaft;8. Elastic sheath;81. Opening;82. Rigid arm;83. Elastic arm;9. Faucet;10. Sealing ring; DETAILED DESCRIPTION

[0073] like Figures 1 to 4 As shown, Figures 1 to 4 The embodiment of the invention shows an extraction device 100 of a coffee machine, which includes a base 1, a mounting frame 2, a first rotating shaft 7, a funnel 5 and a powder bowl 6.

[0074] like Figure 5 As shown, the base 1 includes a cover 11. The cover 11 can be configured in a generally disc-shaped manner. The cover 11 can be arranged horizontally. The cover 11 is provided with a water inlet 111. The water inlet 111 can be located at a downward end of the cover 11. The water inlet 111 is connected to the brewing supply device of the coffee machine. The brewing supply device can inject brewing water and water vapor into the water inlet 111. The brewing water can be boiling water. Therefore, the water inlet 111 can output brewing water and water vapor.

[0075] The mounting frame 2 is hingedly connected to the base 1 and is rotatable relative to the base 1. The mounting frame 2 may be positioned below the base 1, with its rotation axis positioned horizontally, and the mounting frame 2 capable of rotating within a vertical plane. The mounting frame 2 includes a mounting frame 2. The mounting frame 2 is configured to receive the funnel 5. The mounting frame 2 is capable of reciprocating between a first position and a second position. When the mounting frame 2 is rotated to the first position, the mounting frame 2 and the cover 11 are aligned. When the mounting frame 2 is rotated to the second position, the mounting frame 2 and the cover 11 are separated.

[0076] like Figure 6 As shown, the funnel 5 includes a sidewall 52 and a bottom wall 53. The sidewall 52 is generally cylindrical in shape. The bottom wall 53 covers the bottom end of the sidewall 52. The opening of the sidewall 52 facing away from the bottom wall 53 serves as the inlet of the funnel 5. The bottom wall 53 is provided with a through hole, which serves as the outlet of the funnel 5. The diameter of the inlet of the funnel 5 is larger than the diameter of the outlet of the funnel 5. The funnel 5 is configured to be removably attached to the mounting frame 2 when the mounting frame 2 is in the second position. That is, the funnel 5 can be attached to the mounting frame 2 and removed from the mounting frame 2 when the mounting frame 2 is in the second position. When the funnel 5 is mounted on the mounting frame 2, the inlet of the funnel 5 faces the cover 11, and the outlet of the funnel 5 faces away from the cover 11. When the funnel 5 is mounted on the mounting frame 2, the user can operate the funnel 5 to rotate the mounting frame 2 in a vertical plane. During the rotation of the mounting frame 2, the base 1 remains horizontal.

[0077] The powder bowl 6 is constructed in a bowl-shaped structure. The powder bowl 6 is used to hold coffee powder. A plurality of mesh holes 62 are provided on the powder bowl 6, and the mesh holes 62 can be all provided on the bottom plate of the powder bowl 6. The mesh holes 62 can be evenly distributed on the bottom plate. The powder bowl 6 is placed in the funnel 5. The outer peripheral surface of the powder bowl 6 is against the inner peripheral surface of the funnel 5. The bowl mouth of the powder bowl 6 and the entrance of the funnel 5 can both face the cover 11, and the bowl mouth of the powder bowl 6 and the entrance of the funnel 5 can overlap with each other. The water inlet 111 of the cover 11 faces the powder bowl 6. The distance from the bowl mouth of the powder bowl 6 to the hinge of the base 1 and the mounting frame 2 is the same as the distance from the cover 11 to the hinge of the base 1 and the mounting frame 2.

[0078] When the powder bowl 6 is accommodated in the funnel 5 and the funnel 5 is inserted into the mounting frame 2, the mounting frame 2 is configured to rotate between a first position in which the lid 11 seals the bowl opening of the powder bowl 6 and a second position in which the lid 11 and the powder bowl 6 are separated. When the lid 11 seals the bowl opening of the powder bowl 6, the water inlet 111 on the lid 11 can be connected to the bowl opening of the powder bowl 6.

[0079] To use the extraction device 100, first place ground coffee in the powder basket 6 and insert the powder basket 6 into the hopper 5. Then, the mounting frame 2 is rotated to the second position, and the hopper 5 containing the powder basket 6 is inserted into the mounting frame 2. The mounting frame 2 is then rotated to the first position. The opening of the powder basket 6 is sealed by the lid 11, and the water inlet 111 on the lid 11 is connected to the opening of the powder basket 6. At this point, the water inlet 111 of the lid 11 can inject brewing water and / or steam into the powder basket 6 to extract the coffee grounds in the powder basket 6 and produce liquid coffee, which then flows downward out of the powder basket 6 and hopper 5. After the coffee grounds are extracted, the mounting frame 2 is rotated to the second position again, separating the powder basket 6 from the lid 11. Since the hopper 5 is detachably connected to the mounting frame 2, the hopper 5 can be removed from the mounting frame 2 for easy cleaning of the hopper 5 and the powder basket 6.

[0080] Since the funnel 5 and the mounting frame 2 are connected by plug-in, the funnel 5 is easy to be assembled on the mounting frame 2 and also easy to be removed from the mounting frame 2. Moreover, since the mounting frame 2 is in the second position during the process of the funnel 5 being inserted into the mounting frame 2, the mounting frame 2 and the cover body 11 are open at this time, and the user can intuitively see the mounting frame 2. During the insertion process, the user can conveniently align the funnel 5 with the mounting frame 2. After the funnel 5 is inserted into place, the mounting frame 2 can be rotated to the first position to complete the installation of the funnel 5, which is more convenient and improves the user experience.

[0081] In an illustrative embodiment, Figure 5 As shown, the mounting frame 2 includes two mounting arms 21 and a connecting arm 22. The mounting arm 21 and the connecting arm 22 are both strip-shaped. The mounting arm 21 includes a first end 212 and a second end 213. The first end 212 and the second end 213 are arranged opposite to each other. The two mounting arms 21 are arranged side by side and spaced apart. The width between the two mounting arms 21 is greater than the diameter of the outer circumference of the funnel 5. The first ends 212 of the two mounting arms 21 are oriented in the same direction. The second ends 213 of the two mounting arms 21 are respectively connected to the two ends of the connecting arm 22. The connecting arm 22 can be arranged in an arch shape, and the connecting arm 22 can be arched toward the side away from the mounting arm 21. The side of the connecting arm 22 facing away from the mounting arm 21 is hinged to the base 1. When the mounting bracket 2 is rotated to the first position, the first end 212 of the mounting arm 21 is close to the cover 11 of the base 1. When the mounting bracket 2 is rotated to the second position, the first end 212 of the mounting arm 21 is separated from the cover 11, while the second end 213 of the mounting arm 21 remains close to the cover 11. When the first end 212 of the mounting arm 21 is close to the cover 11 of the base 1, the two mounting arms 21 are respectively located on opposite sides of the cover 11 and are parallel to the lower end surface of the cover 11.

[0082] A first matching portion 211 is provided on each of the two connecting arms 22 on the opposite side thereof. The first matching portion 211 is configured as a straight bar and extends from a first end 212 of the mounting arm 21 to a second end 213 of the mounting arm 21 .

[0083] Two second fitting portions 51 are provided on the funnel 5. The two second fitting portions 51 are provided on opposite sides of the funnel 5. The two second fitting portions 51 correspond to the two first fitting portions 211, respectively. Each second fitting portion 51 can be inserted from the first end 212 of the mounting arm 21 to the first fitting portion 211 corresponding to the second fitting portion 51, and the second fitting portion 51 can slide along the first fitting portion 211 when inserted onto the first fitting portion 211. In this embodiment, the first fitting portion 211 is configured as a straight groove, and the second fitting portion 51 is configured as a protrusion. The groove can accommodate the protrusion, and the protrusion can enter the groove from one end of the groove close to the first end 212, and the protrusion can slide along the straight groove.

[0084] When the first end 212 of the mounting arm 21 and the cover body 11 are opened, the two second matching parts 51 of the funnel 5 can be respectively inserted into the two first matching parts 211 to install the funnel 5 on the mounting frame 2. The two second matching parts 51 of the funnel 5 can be respectively pulled out of the two first matching parts 211 from the first end 212 of the mounting arm 21 to remove the funnel 5 from the mounting frame 2. This plug-in connection method has a simple structure and is easy to operate.

[0085] It can be understood that the first matching portion 211 can also be constructed as a strip-shaped protrusion, and the second matching portion 51 can be constructed as a groove that can accommodate the protrusion, with a clearance fit between the groove and the protrusion. Through the fit of the protrusion and the groove, a detachable plug-in connection between the funnel 5 and the mounting frame 2 can also be achieved.

[0086] In an exemplary embodiment, the base 1 further includes a hinge seat 13. The hinge seat 13 is disposed on one side of the cover 11 and connected to the edge of the cover 11. A first axial hole 131 is provided on the hinge seat 13. The axis of the first axial hole 131 can be horizontal. Two hinge seats 13 can be provided, with the two hinge seats 13 spaced apart. The first axial holes 131 on the two hinge seats 13 are coaxially arranged.

[0087] An articulated bracket 23 is provided on the side of the connecting arm 22 facing away from the mounting arm 21. A second axial hole 231 is provided on the articulated bracket 23. Two articulated brackets 23 may be provided. Each articulated bracket 23 may be positioned between the two articulated seats 13. The second axial hole 231 of the articulated bracket 23 is coaxial with the second axial hole 231 of the articulated seat 13.

[0088] Extraction device 100 also includes a first rotating shaft 7. The first rotating shaft 7 extends perpendicularly to the direction of extension of mounting arm 21. The first rotating shaft 7 passes through the second axial hole 231 of hinge base 13 and the first axial hole 131 of hinge frame 23, thereby hingedly connecting mounting frame 2 to base 1. Mounting frame 2 can only rotate about first rotating shaft 7.

[0089] In an exemplary embodiment, the extraction device 100 further includes an elastic sheath 8. The elastic sheath 8 is generally arc-shaped, with a central angle greater than 180°. The inner diameter of the elastic sheath 8 can be equal to the outer diameter of the funnel 5. The elastic sheath 8 is capable of elastic bending deformation. The elastic sheath 8 has an opening 81, the width of which is smaller than the maximum outer diameter of the sidewall 52 of the funnel 5. The width of the opening 81 is also smaller than the width between the two mounting arms 21.

[0090] The opening 81 of the elastic sheath 8 is located between the two mounting arms 21, and its orientation is the same as that of the first ends 212 of the mounting arms 21. The elastic sheath 8 is connected to the second ends 213 of the mounting arms 21 on either side of the mounting arms 21. The side of the elastic sheath 8 facing away from the opening 81 is connected to the connecting arm 22. The elastic sheath 8 and the mounting arms 21 may be connected by screws, and the elastic sheath 8 and the connecting arm 22 may also be connected by screws.

[0091] The elastic sheath 8 can limit the position of the funnel 5. After the second mating portion 51 of the funnel 5 is inserted into the first mating portion 211, it can slide along the first mating portion 211 to the opening 81 of the elastic sheath 8. When the funnel 5 is further pushed toward the second end 213 of the mounting arm 21, the opening 81 of the elastic sheath 8 is squeezed by the funnel 5 and opens, allowing the funnel 5 to pass through the opening 81 and enter the elastic sheath 8. After the funnel 5 enters the elastic sheath 8, the opening 81 of the elastic sheath 8 shrinks to its original shape under the action of the elastic force, and the funnel 5 is clamped by the elastic sheath 8. To remove the funnel 5 from the elastic sheath 8, it only needs to be moved slightly toward the first end 212 of the mounting arm 21. The funnel 5 pushes against the elastic sheath 8, causing the opening 81 of the elastic sheath 8 to open, and the funnel 5 can then be removed from the elastic sheath 8.

[0092] When the elastic sheath 8 clamps the funnel 5 , the funnel 5 is limited to a position where the bowl mouth of the powder bowl 6 in the funnel 5 is aligned with the cover 11 of the base 1 .

[0093] Thus, because the elastic sheath 8 can limit the position of the funnel 5, the user only needs to push the funnel 5 into the elastic sheath 8 when inserting the funnel 5 into the mounting arm 21 to achieve the position of the funnel 5. At this time, when the mounting frame 2 is rotated from the second position to the first position, the bowl 6 of the powder bowl 6 in the funnel 5 will be aligned with the cover 11 of the base 1, and the user does not need to move the funnel 5 to align the bowl 6 of the powder bowl 6 with the cover 11 of the base 1. At the same time, in the second position, the mounting arm 21 is usually tilted, and the funnel 5, because it is clamped by the elastic sheath 8, will not slide down along the mounting arm 21. The resistance of the elastic sheath 8 must be overcome to remove the funnel 5 from the elastic sheath 8, which can prevent the funnel 5 from accidentally sliding out of the mounting frame 2 and falling to the ground.

[0094] In one exemplary embodiment, the elastic sheath 8 includes a rigid arm 82 and two elastic arms 83. The rigid arm 82 is configured in a semicircular arc shape. The rigid arm 82 can extend from the second end 213 of one mounting arm 21 along the connecting arm 22 to the second end 213 of the other mounting arm 21. The ends of the rigid arm 82 are respectively connected to the second end 213 of the mounting arm 21, and the middle portion of the rigid arm 82 is connected to the middle portion of the connecting arm 22. The inner diameter of the rigid arm 82 is equal to the outer diameter of the funnel 5.

[0095] Two elastic arms 83 extend from each end of the rigid arm 82 in a direction that arches away from the rigid arm 82. Both elastic arms 83 are capable of bending and elastic deformation. The minimum distance between the two elastic arms 83 is less than the outer diameter of the funnel 5. The minimum distance between the two elastic arms 83 forms the opening 81 of the elastic sheath 8.

[0096] The rigid arm 82 has a strong structural strength and can be firmly fixed on the mounting frame 2, while the two elastic arms 83 can be elastically deformed, can be opened under the squeeze of the funnel 5, and can be reset under the action of the elastic force.

[0097] In one exemplary embodiment, the lid 11 is further provided with a circular platform 15. The platform 15 is located at one end of the lid 11 proximal to the mounting bracket 2. The platform 15 is disc-shaped and can extend into the opening of the powder bowl 6 when the mounting bracket 2 is rotated to the first position. A water inlet 111 is provided at the downwardly facing end of the platform 15. The diameter of the platform 15 is smaller than the inner diameter of the opening of the powder bowl 6.

[0098] The extraction device 100 also includes a sealing ring 10. The sealing ring 10 is made of rubber or silicone and is elastic. The sealing ring 10 may be an O-ring. The sealing ring 10 is clamped onto the outer circumference of the truncated cone 15. The sealing ring 10 and the truncated cone 15 may form an interference fit. The outer diameter of the sealing ring 10 is larger than the inner diameter of the rim of the powder bowl 6.

[0099] When the lid 11 seals the bowl mouth, the cone 15 of the lid 11 can extend into the bowl mouth of the powder bowl 6, and the sealing ring 10 enters the bowl mouth of the powder bowl 6 along with the cone 15. The outer edge of the sealing ring 10 abuts against the inner circumferential wall of the powder bowl 6, and the inner edge of the sealing ring 10 abuts against the outer circumferential wall of the cone 15. The sealing ring 10 can seal the gap between the powder bowl 6 and the cone 15 to improve air tightness.

[0100] In one exemplary embodiment, an annular groove 151 is provided on the outer peripheral wall of the truncated cone 15. The annular groove 151 is coaxial with the truncated cone 15. The sealing ring 10 is fitted over the annular groove 151, with the inner edge of the sealing ring 10 embedded in the annular groove 151 and the outer edge of the sealing ring 10 extending out of the annular groove 151.

[0101] In this way, the sealing ring 10 is partially embedded in the annular groove 151 of the truncated cone 15 , so that the sealing ring 10 can be more firmly fixed on the truncated cone 15 . At the same time, the airtightness between the sealing ring 10 and the truncated cone 15 will also be better.

[0102] In one exemplary embodiment, the edge of the powder bowl 6 is provided with a flange 61. The flange 61 faces radially outward. The flange 61 may be an annular ring surrounding the outer circumference of the powder bowl 6. The flange 61 of the powder bowl 6 is hooked at the inlet of the funnel 5, thereby securing the powder bowl 6 to the funnel 5.

[0103] The powder bowl 6 is hung on the funnel 5 by the flange 61 provided on the bowl mouth, and the powder bowl 6 can be more firmly installed on the funnel 5. At the same time, when the frustum 15 of the cover body 11 is inserted into the funnel 5, it is also easier to align with the bowl mouth of the powder bowl 6.

[0104] In an exemplary embodiment, the extraction device 100 further includes a locking mechanism 3 and an unlocking mechanism 4. Both the locking mechanism 3 and the unlocking mechanism 4 are disposed on the base 1. The unlocking mechanism 4 is connected to the locking mechanism 3. The locking mechanism 3 is configured to secure the mounting bracket 2 in the first position when the mounting bracket 2 is rotated to the first position. The unlocking mechanism 4 is configured to release the locking mechanism 3 from securing the mounting bracket 2.

[0105] Thus, when the mounting frame 2 is rotated from the second position to the first position, the locking mechanism 3 can secure the mounting frame 2 in the first position, preventing the mounting frame 2 from rotating. This ensures that the lid 11 always seals the opening of the powder bowl 6 while the water inlet 111 is injecting brewing water and steam into the powder bowl 6, eliminating the need for manual support of the mounting frame 2. After the mounting frame 2 is secured in the first position by the locking mechanism 3, if the funnel 5 needs to be removed from the mounting frame 2, the locking mechanism 3 can be released from the mounting frame 2 using the unlocking mechanism 4. The mounting frame 2 can then be rotated. The mounting frame 2 can then be rotated to the second position and the funnel 5 can then be removed from the mounting frame 2.

[0106] In an illustrative embodiment, Figure 7 As shown, the base 1 further includes a guide portion 12. The guide portion 12 is connected to the cover 11. The guide portion 12 can be disposed on a side of the cover 11. A slideway 121 is disposed on the guide portion 12. The slideway 121 can be configured as a straight strip groove. The slideway 121 can be disposed horizontally and extend in a direction perpendicular to the first rotation axis 7.

[0107] The slideway 121 includes a front end 1211 and a rear end 1212, which are arranged opposite each other. When the mounting bracket 2 is in the first position, the extension direction of the mounting arm 21 is parallel to the extension direction of the slideway 121, and the front end 1211 of the slideway 121 is oriented in the same direction as the first end 212 of the mounting arm 21. The front end 1211 of the slideway 121 is open, and the rear end of the slideway 121 is closed.

[0108] The locking mechanism 3 includes a locking tongue 31 and a first elastic member 32. The locking tongue 31 can be configured as a block, such as a flat block. The locking tongue 31 is disposed on the guide portion 12 and positioned within the slideway 121. The locking tongue 31 can slide along the slideway 121. The locking tongue 31 can partially extend out of the slideway 121 from the front end 1211 of the slideway 121.

[0109] The first elastic member 32 is disposed within the slideway 121. The first elastic member 32 is capable of compressive elastic deformation. The first elastic member 32 may be a coil spring, a rubber spring, a bellows, or a disc spring. One end of the first elastic member 32 abuts against the surface of the end 1212 of the lock tongue 31 facing the slideway 121, and the other end of the first elastic member 32 abuts against the wall surface of the end 1212 of the slideway 121. When the first elastic member 32 is in a compressive deformation state, the first elastic member 32 applies an elastic force to the lock tongue 31, causing the lock tongue 31 to partially extend beyond the front end 1211 of the slideway 121.

[0110] The mounting frame 2 also includes a hook 24. The hook 24 is connected to the mounting arm 21. The hook 24 may be connected to the first end 212 of the mounting arm 21. The hook 24 extends from the mounting arm 21 toward the locking tongue 31. When the mounting frame 2 is in the first position, the hook 24 can hook onto the portion of the locking tongue 31 that extends beyond the slide 121. In other words, when the mounting frame 2 is in the first position, the hook 24 can hook onto the portion of the locking tongue 31 that is outside the slide 121. When the hook 24 is hooked onto the locking tongue 31, the mounting frame 2 cannot rotate toward the second position.

[0111] The unlocking mechanism 4 is configured to drive the locking tongue 31 to slide toward the end 1212 of the slideway 121 , that is, to drive the locking tongue 31 to slide into the slideway 121 . For example, the unlocking mechanism 4 can drive the locking tongue 31 to slide completely into the slideway 121 .

[0112] Thus, after the mounting frame 2 rotates to the first position, the hook 24 on the mounting frame 2 can be hooked on the portion of the lock tongue 31 that extends out of the slide 121. The hook 24 hooked on the lock tongue 31 can secure the mounting frame 2 in the first position. When the mounting frame 2 needs to be unlocked, the unlocking mechanism only needs to overcome the elastic force applied by the first elastic member 32 on the lock tongue 31 to drive the lock tongue 31 to slide into the slide 121. After the slide 121 retracts into the slide 121, the hook 24 can no longer be hooked on the lock tongue 31, and the mounting frame 2 can now rotate from the first position to the second position. When the unlocking mechanism 4 no longer applies external force to the lock tongue 31, the lock tongue 31 will slide again under the elastic force of the first elastic member 32 to a position extending out of the slide 121.

[0113] In one exemplary embodiment, the portion of the locking tongue 31 that extends out of the slideway 121 is provided with a first inclined surface 311. The first inclined surface 311 forms an angle with the extension direction of the slideway 121, and the angle is less than 90° and greater than 0°. The first inclined surface 311 may be oriented toward the side closest to the mounting arm 21.

[0114] The hook 24 is provided with a second inclined surface 2421. This second inclined surface is configured to abut against the first inclined surface 311 during rotation of the mounting bracket 2 from the second position to the first position. When the second inclined surface 2421 abuts against the first inclined surface 311, the second inclined surface 2421 and the first inclined surface 311 cooperate with each other, and the second inclined surface 2421 and the first inclined surface 311 are inclined in the same direction. The hook 24 is configured such that, during rotation of the mounting bracket 2 from the second position to the first position, the second inclined surface 2421 presses against the first inclined surface 311 of the locking tongue 31, causing the locking tongue 31 to slide into the slideway 121.

[0115] The end of the hook 24 facing away from the mounting arm 21 presses the first inclined surface 311 of the locking tongue 31 during the process of the mounting frame 2 rotating from the second position to the first position. A component of the thrust exerted by the hook 24 on the first inclined surface 311 is directed toward the end 1212 of the slideway 121. When this thrust component is greater than the elastic force exerted by the first elastic member 32 on the locking tongue 31, the locking tongue 31 can be pushed toward the end 1212 of the slideway 121 by the hook 24 until the hook 24 pushes the locking tongue 31 into the slideway 121. When the mounting frame 2 rotates to the first position, the hook 24 no longer presses the locking tongue 31. The locking tongue 31 partially extends out of the slideway 121 again under the elastic force of the first elastic member 32. The hook 24 can then hook the portion of the locking tongue 31 extending out of the slideway 121, thereby fixing the mounting frame 2 in the first position.

[0116] In an illustrative embodiment, the hook 24 includes a support arm 241, a hook portion 242, and a protrusion 243. One end of the support arm 241 is connected to the mounting arm 21, and the other end is connected to the hook portion 242. The hook portion 242 extends from one end of the support arm 241 in a direction perpendicular to the support arm 241. The hook portion 242 can be hooked on the portion of the lock tongue 31 extending out of the slide 121 to fix the mounting bracket 2 in the first position. The second inclined surface 2421 is provided on the hook portion 242 and is located on the side of the end of the hook portion 242 facing away from the support arm 241 and facing away from the mounting arm 21. The second inclined surface 2421 of the hook portion 242 can also squeeze the first inclined surface 311 of the lock tongue 31 to push the lock tongue 31 into the slide 121. The protrusion 243 is provided on one side of the hook portion 242. The protrusion 243 can be in the shape of a truncated cone 15.

[0117] The base 1 also includes a guide groove 16. The guide groove 16 is a strip-shaped groove. One end of the guide groove 16 is connected to the cover 11, and the other end extends to a position close to the locking tongue 31. The guide groove 16 accommodates the protrusion 243. The guide groove 16 is configured as an arc and extends along the movement path of the protrusion 243.

[0118] Because the guide slot 16 extends along the movement path of the protrusion 243, the protrusion 243 can only move along the guide slot 16 when the mounting bracket 2 rotates. When the hook portion 242 and the first inclined surface 311 of the locking tongue 31 are pressed against each other, the support arm 241 is subjected to the bending moment exerted by the hook portion 242 and bends and deforms. At this time, the protrusion 243 transfers part of the thrust exerted on the hook portion 242 to the sidewall of the guide slot 16, reducing the bending moment exerted on the support arm 241 and preventing the support arm 241 from being significantly deformed and damaged.

[0119] In an exemplary embodiment, two guide portions 12 are provided, one on each opposite side of the cover 11. Two locking tongues 31 are provided, each sliding along the slideways 121 of the two guide portions 12. Two first elastic members 32 are provided, each disposed within the slideways 121 of the two guide portions 12, and each exerting an elastic force on the two locking tongues 31.

[0120] There are two hooks 24, which are respectively arranged on the two mounting arms 21. When the mounting bracket 2 is in the first position, the two hooks 24 respectively hook the two locking tongues 31.

[0121] In this way, when the mounting bracket 2 is in the first position, the two hooks 24 respectively hook the two locking tongues 31 , which can make the mounting bracket 2 more firmly fixed.

[0122] In an illustrative embodiment, Figure 7As shown, the base 1 further includes a support 14. The support 14 is connected to the cover 11. The support 14 can be arranged on the side of the cover 11 facing away from the mounting bracket 2. The support 14 is provided with a third axial hole 141, and the extension direction of the third axial hole 141 is perpendicular to the extension direction of the slideway 121.

[0123] The unlocking mechanism 4 includes an unlocking member 41, a bracket 42 and a second rotating shaft 43. A fourth axial hole 4111 is provided on the unlocking member 41, and the fourth axial hole 4111 is coaxially arranged with the third axial hole 141 of the support 14. The extension direction of the second rotating shaft 43 is perpendicular to the extension direction of the slide 121. The second rotating shaft 43 is passed through the third axial hole 141 of the support 14 and the fourth axial hole 4111 of the unlocking member 41, so that a hinged connection is formed between the unlocking member 41 and the support 14. The unlocking member 41 can rotate around the second rotating shaft 43. The bracket 42 is connected to the lock tongue 31, and the bracket 42 and the lock tongue 31 can be screwed. The bracket 42 slides along the slide 121 following the lock tongue 31. The bracket 42 is against the unlocking member 41, and the unlocking member 41 pushes the bracket 42 when rotating, thereby driving the lock tongue 31 to slide.

[0124] In this embodiment, when the unlocking member 41 rotates in the opening direction, it pushes the bracket 42 toward the end 1212 of the slideway 121. At this time, the movement direction of the bracket 42 is the same as the direction in which the lock tongue 31 slides into the slideway 121. In this way, the bracket 42 drives the lock tongue 31 to slide into the slideway 121, thereby releasing the lock tongue 31 from securing the mounting frame 2. Therefore, the user can release the locking mechanism 3 from securing the mounting frame 2 by rotating the unlocking member 41.

[0125] In an illustrative embodiment, Figure 7 As shown, the bracket 42 includes a connecting column 421, a pressure-bearing portion 423 and a connecting portion 422. The connecting column 421 can be constructed as a columnar structure. A first strip hole 122 is provided on the side of the guide portion 12 facing away from the mounting frame 2. The connecting column 421 is passed through the first strip hole 122. One end of the connecting column 421 is connected to the lock tongue 31, and the other end of the connecting column 421 is connected to the connecting portion 422. The connecting portion 422 can be constructed as a rod-shaped structure or a triangular structure. One end of the connecting portion 422 is connected to the end of the connecting column 421 facing away from the lock tongue 31, and the other end of the connecting portion 422 is connected to the pressure-bearing portion 423. The connecting portion 422 connects the pressure-bearing portion 423 and the connecting column 421 to each other. A second strip hole 4231 is provided on the pressure-bearing portion 423, and the second rotating shaft 43 is passed through the second strip hole 4231. The extending direction of the cross section of the second strip-shaped hole 4231 is the same as the extending direction of the slideway 121 .

[0126] The unlocking member 41 includes a rotating portion 411, a pushing portion 412 and a handle 413. The rotating portion 411 can be constructed as a shell-like structure, and the rotating portion 411 can be sleeved on the support 14. The fourth axial hole 4111 is provided on the rotating portion 411. The second rotating shaft 43 is passed through the rotating portion 411, and the rotating portion 411 can rotate around the second rotating shaft 43. The pushing portion 412 is provided at one end of the rotating portion 411, and the pushing portion 412 abuts against one side of the pressure-receiving portion 423. The direction of the side of the pressure-receiving portion 423 abutted by the pushing portion 412 is the same as the direction of the end of the lock tongue 31 that can extend out of the slide 121. The handle 413 is connected to the rotating portion 411. The handle 413 can extend from the rotating portion 411 to the side facing away from the bracket 42. The distance between the end of the handle 413 facing away from the rotating portion 411 and the second rotating shaft 43 is smaller than the distance between the portion where the pressed portion 423 and the pushing portion 412 abut against each other and the second rotating shaft 43 .

[0127] In this way, when the user operates the handle 413 to rotate in the opening direction, for example, by pressing the handle 413 downward, the unlocking member 41 can be driven to rotate in the opening direction as a whole. The pushing portion 412 of the unlocking member 41 applies a thrust to the pressure portion 423, pushing the pressure portion 423 to move the bracket 42 as a whole. The movement direction of the bracket 42 is the same as the direction in which the lock tongue 31 slides into the slide 121. Therefore, the bracket 42 can drive the lock tongue 31 to slide into the slide 121, completing the unlocking of the mounting frame 2. In addition, because the distance from the end of the handle 413 facing away from the rotating portion 411 to the second rotating shaft 43 is shorter than the distance from the portion where the pressure portion 423 and the pushing portion 412 abut against each other to the second rotating shaft 43, the unlocking member 41 acts as a labor-saving lever, and the user can operate the handle 413 with more labor-saving effort.

[0128] In an illustrative embodiment, the unlocking mechanism 4 further includes a second elastic member 44. The second elastic member 44 may be a coil spring, a rubber strip, or a silicone strip. One end of the second elastic member 44 is connected to the bracket 42, and the second elastic member 44 may be a connecting portion 422 connected to the bracket 42. The other end of the second elastic member 44 is connected to the rotating portion 411 of the unlocking member 41. The second elastic member 44 and the pushing portion 412 are respectively located on opposite sides of the second rotating shaft 43. The second elastic member 44 is in a tensile elastic deformation state. The second elastic member 44 applies a pulling force to the unlocking member 41 and the bracket 42, so that the unlocking member 41 rotates in a direction opposite to the opening direction.

[0129] In this way, after the user rotates the unlocking member 41 in the opening direction, the second elastic member 44 can apply a pulling force to the unlocking member 41 so that the unlocking member 41 rotates in the direction opposite to the opening direction to reset.

[0130] In an exemplary embodiment, the extraction device 100 further includes a water spout 9, which is disposed on the cover 11. One end of the water spout 9 is connected to the water inlet 111, and the other end of the water spout 9 is connected to the brewing supply device.

[0131] This embodiment also provides a coffee machine, comprising the extraction device 100 described above and a coffee machine body. The extraction device 100 is mounted on the coffee machine body. The base 1 of the extraction device 100 and the coffee machine body may be integrally formed. The base 1 of the extraction device 100 and the coffee machine body may also be detachably connected.

[0132] This application describes multiple embodiments, but this description is exemplary rather than restrictive, and it will be apparent to those skilled in the art that there may be more embodiments and implementations within the scope of the embodiments described herein. Although many possible feature combinations are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are also possible. Unless specifically limited, any feature or element of any embodiment may be used in combination with any other feature or element in any other embodiment, or may replace any other feature or element in any other embodiment.

[0133] This application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features, and elements disclosed in this application may also be combined with any conventional features or elements to form a unique inventive solution defined by the claims. Any features or elements of any embodiment may also be combined with features or elements from other inventive solutions to form another unique inventive solution defined by the claims. Therefore, it should be understood that any feature shown and / or discussed in this application may be implemented individually or in any appropriate combination. Therefore, except for the limitations made according to the appended claims and their equivalents, the embodiments are not subject to other limitations. In addition, various modifications and changes may be made within the scope of protection of the appended claims.

[0134] In addition, when describing representative embodiments, the specification may have presented the method and / or process as a specific sequence of steps. However, to the extent that the method or process does not rely on the specific order of the steps described herein, the method or process should not be limited to the steps in the specific order described. As will be understood by those skilled in the art, other orders of steps are also possible. Therefore, the specific order of the steps set forth in the specification should not be interpreted as a limitation to the claims. In addition, the claims for the method and / or process should not be limited to performing their steps in the order written, and those skilled in the art can readily understand that these orders can be changed and still remain within the spirit and scope of the embodiments of the present application.

Claims

1. An extraction device for a coffee machine, characterized in that: include: The base comprises a cover body provided with a water inlet; A mounting frame hinged to the base; A funnel, configured to be detachably inserted into the mounting frame; as well as A powder bowl is arranged in the funnel, with the bowl opening facing the cover; Wherein, the mounting frame is configured to be rotatable to a first position where the cover seals the bowl mouth of the powder bowl and a second position where the cover is separated from the powder bowl, and when the cover seals the bowl mouth, the water inlet is connected to the bowl mouth.

2. The extraction device according to claim 1, characterized in that The mounting frame includes two mounting arms arranged side by side, the mounting arms including a first end and a second end opposite to each other; A first matching portion extending from the first end to the second end is provided on one side of the two mounting arms facing each other; Two second matching parts are respectively provided on opposite sides of the funnel, the two first matching parts correspond to the two second matching parts respectively, and each second matching part can be inserted into the corresponding first matching part from the first end and can slide along the first matching part; Wherein, one of the first matching portion and the second matching portion is a groove, and the other is a protrusion.

3. The extraction device according to claim 2, characterized in that The base further comprises a hinge seat provided on one side of the cover body, and the hinge seat is provided with a first shaft hole; The mounting frame further includes a connecting arm, wherein both ends of the connecting arm are respectively connected to the second ends of the two mounting arms; A hinged frame is provided on a side of the connecting arm facing away from the mounting arm, and the hinged frame is provided with a second shaft hole; The extraction device further includes a first rotating shaft passing through the first axial hole and the second axial hole, and the first rotating shaft is perpendicular to the mounting arm.

4. The extraction device according to claim 2, characterized in that The extraction device further comprises an elastic sheath configured in an arc shape; Opposite sides of the elastic sheath are respectively connected to the two second ends, the opening of the elastic sheath is located between the two mounting arms and faces the same direction as the first end, and the width of the opening of the elastic sheath is smaller than the maximum outer diameter of the side wall of the funnel; The elastic sheath is configured to limit the funnel to a position where the bowl mouth and the cover body are aligned when the funnel is clamped.

5. The extraction device according to claim 4, characterized in that The elastic sheath includes a rigid arm connected to the second end and configured in a semicircular arc shape, and two elastic arms extending from opposite ends of the rigid arm, respectively. The opening is formed between the two elastic arms.

6. The extraction device according to any one of claims 1 to 5, characterized in that The extraction device further comprises: a locking mechanism configured to secure the mounting bracket when the mounting bracket is rotated to the first position; and The unlocking mechanism is configured to release the fixing of the mounting bracket by the locking mechanism.

7. The extraction device according to claim 6, characterized in that The base further includes a guide portion connected to the cover, and the guide portion is provided with a slideway; The locking mechanism includes a lock tongue that can slide along the slide and a first elastic member, wherein the first elastic member is used to apply elastic force to the lock tongue so that the lock tongue partially extends out of the slide; The mounting bracket includes a hook, and the hook is configured to hook the portion of the locking tongue extending out of the slide channel when the mounting bracket is located at the first position.

8. The extraction device according to claim 7, characterized in that The unlocking mechanism is configured to drive the lock tongue to slide into the slideway.

9. The extraction device according to claim 7, characterized in that The slide includes a front end and an end opposite to the front end, and the locking tongue can extend from the front end to the slide; Two ends of the first elastic member respectively abut against the locking tongue and the wall surface of the end.

10. The extraction device according to claim 7, characterized in that The portion of the lock tongue that can extend out of the slideway is provided with a first inclined surface; The hook includes a support arm and a hook portion provided at one end of the support arm; The hook portion is provided with a second inclined surface, and the second inclined surface can abut against the first inclined surface and cooperate with each other when abutting against each other; The hook is configured such that when the mounting bracket rotates from the second position to the first position, the second inclined surface presses the first inclined surface to make the locking tongue slide into the slide channel.

11. The extraction device according to claim 7, characterized in that The hook includes a protrusion provided on one side of the hook portion; The base further includes a guide groove connected to the cover, wherein the guide groove accommodates the protrusion; The guide groove extends along a movement path of the protrusion.

12. The extraction device according to claim 7, characterized in that The base further includes a support connected to the cover; The unlocking mechanism includes an unlocking member hinged to the support and a bracket connected to the lock tongue and abutting against the unlocking member; The unlocking member is configured to push the bracket to move when it is rotated in the opening direction, and the moving direction of the bracket is opposite to the direction of the elastic force applied by the first elastic member to the lock tongue.

13. The extraction device according to claim 12, characterized in that The support is provided with a third axial hole; A first strip-shaped hole is provided on a side of the guide portion facing away from the mounting frame; The bracket comprises: a connecting post, passing through the first strip-shaped hole and having one end connected to the locking tongue; A pressure-bearing portion is provided on one side of the support and is provided with a second strip-shaped hole, wherein the cross-sectional extension direction of the first strip-shaped hole and the second strip-shaped hole is the same as the extension direction of the slideway; and a connecting portion, connecting the other end of the connecting column and the pressure-bearing portion; The unlocking member comprises: The rotating part is provided with a fourth axial hole coaxial with the third axial hole; a pushing portion, disposed at one end of the rotating portion and abutting against an end of the pushing portion and a portion of the lock tongue extending out of the slideway facing the same direction; and a handle connected to the rotating portion; The unlocking mechanism further includes a second rotating shaft perpendicular to the slideway, and the second rotating shaft is passed through the third shaft hole, the second strip hole and the fourth shaft hole; Wherein, the distance from the end of the handle facing away from the rotating part to the second rotating shaft is smaller than the distance from the part where the pressure-bearing part and the pushing part abut against each other to the second rotating shaft.

14. The extraction device according to claim 15, characterized in that The unlocking mechanism further includes a second elastic member; Two ends of the second elastic member are respectively connected to the unlocking member and the bracket, and the second elastic member is in a stretched elastic deformation state; The second elastic member and the pushing portion are respectively located on two opposite sides of the second rotating shaft.

15. The coffee machine according to claim 1, wherein The mounting frame is located below the base, and the funnel can drive the mounting frame to rotate in a vertical plane so that the mounting frame rotates between the first position and the second position, and the bottom surface of the base is maintained in a horizontal state.

16. A coffee machine, characterized in that: comprising an extraction device according to any one of claims 1 to 15 and a coffee machine body; The base and the coffee machine body are an integral structure, or the base and the coffee machine body are detachably connected.

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