Brewing mode switching assembly of coffee machine and coffee machine

Abstract

The invention relates to the technical field of coffee makers, and particularly discloses a coffee maker brewing mode switching assembly and a coffee maker, the coffee maker brewing mode switching assembly comprises a fixing support, a switching assembly and a brewing head assembly, the fixing support is rotatably connected with a sleeve, the switching assembly can drive the sleeve to rotate or fix the sleeve, and the brewing head assembly is connected with the switching assembly. The brewing head assembly is arranged in the sleeve, and the brewing head assembly is configured in the mode that when the sleeve rotates, the sleeve can push the brewing head assembly to ascend and descend so as to pierce the coffee capsule; when the sleeve is fixed, the sleeve and the brewing head assembly are relatively fixed. When the switching assembly drives the sleeve to rotate, the brewing head assembly ascends and descends under the action of the sleeve, so that the coffee capsule can be punctured, and the action of manually closing the cover is not needed. The use convenience of the user is improved, and the experience degree is better.

Description

Technical Field

[0001] The present invention relates to the technical field of coffee machines, and in particular to a coffee machine brewing mode switching assembly and a coffee machine. Background Art

[0002] A capsule brewing head is provided on a coffee machine, and the tip of the capsule brewing head pierces a coffee capsule, enabling a user to drink coffee more conveniently. In an existing two-in-one mode coffee machine, by setting a capsule brewing head at an appropriate position, when the working mode of the coffee machine is switched to the capsule mode, the coffee capsule can be pierced synchronously when the upper cover of the coffee machine is closed. However, when the coffee machine is switched to the capsule mode, the user needs to manually perform a closing cover action to complete the switching of the capsule mode, resulting in low usage convenience and reduced user experience. Summary of the Invention

[0003] The purpose of the present invention is to provide a coffee machine brewing mode switching assembly and a coffee machine to solve the problem of low usage convenience of existing coffee machines.

[0004] The present invention provides a coffee machine brewing mode switching assembly, including a fixed bracket, a switching component, and a brewing head component. A sleeve is rotatably connected to the fixed bracket. The switching component can drive the sleeve to rotate or fix the sleeve. The brewing head component is arranged inside the sleeve and is configured such that when the sleeve rotates, the sleeve can push the brewing head component to move up and down to pierce the coffee capsule; when the sleeve is fixed, the sleeve and the brewing head component are relatively fixed.

[0005] As a preferred technical solution of the coffee machine brewing mode switching assembly, the sleeve is provided with a guiding groove, and the brewing head component is provided with a horizontal axis, and the horizontal axis is slidably engaged with the guiding groove so that when the sleeve rotates, the side wall of the guiding groove can push the horizontal axis to move up and down.

[0006] As a preferred technical solution of the coffee machine brewing mode switching assembly, two guiding grooves are provided, and the two guiding grooves are rotationally symmetrically arranged on the sleeve.

[0007] As a preferred technical solution of the coffee machine brewing mode switching assembly, a first support groove and a second support groove are further provided at both ends of the guiding groove, and the groove walls of the first support groove and the second support groove can both support the horizontal axis.

[0008] As a preferred technical solution of the coffee machine brewing mode switching assembly, both the first support groove and the second support groove are provided with horizontal groove walls.

[0009] As a preferred technical solution of the coffee machine brewing mode switching assembly, the groove wall shape of the guiding groove is spiral.

[0010] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the switching component includes a drive shaft, a driving gear fixed to the drive shaft, and a driven gear fixedly arranged on the outer peripheral wall of the sleeve, and the driving gear meshes with the driven gear.

[0011] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the driving gear and / or the driven gear is an incomplete gear.

[0012] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the switching component further includes a liquid supply seat and a liquid outlet seat. The liquid supply seat is fixedly connected with a liquid supply joint, and the liquid outlet seat is provided with one or more liquid outlet joints;

[0013] The liquid supply seat is rotatably arranged on the liquid outlet seat, so that the liquid supply joint can selectively communicate with any one of the liquid outlet joints.

[0014] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the switching component further includes a rotatable drive shaft, and the drive shaft is rotatably connected to the sleeve and the liquid supply seat.

[0015] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, a sealing member is provided between the liquid supply seat and the liquid outlet seat. The sealing member is provided with through holes, and the through holes communicate with the liquid outlet joints in a one-to-one correspondence.

[0016] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the sealing member is provided with convex ribs, and the convex ribs abut against the liquid supply seat or the liquid outlet seat.

[0017] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the convex rib is an annular structure.

[0018] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the convex rib is integrally formed with the sealing member.

[0019] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, a limiting member is provided on the switching component, and the limiting position of the limiting member is the same as the position when the liquid supply joint selectively communicates with any one of the liquid outlet joints.

[0020] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the limiting position of the limiting member includes the relative fixed position of the sleeve and the brewing head assembly.

[0021] As a preferred technical solution of the brewing mode switching assembly of the coffee machine, the limiting member has elasticity.

[0022] The present invention provides a coffee machine, which includes a machine body and the brewing mode switching assembly of any one of the above solutions, and the fixed bracket of the brewing mode switching assembly of the coffee machine is connected to the machine body.

[0023] The beneficial effects of the present invention are as follows:

[0024] The coffee machine brewing mode switching assembly provided by the present invention can lift and lower the brewing head assembly under the action of the guiding groove of the sleeve when the switching component drives the sleeve to rotate, so as to be able to pierce the coffee capsule without the need for manual lid closing. The convenience of use for users is improved and the experience is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the coffee machine brewing mode switching assembly in an embodiment of the present invention;

[0026] Figure 2 is a cross-sectional view of the coffee machine brewing mode switching assembly in an embodiment of the present invention;

[0027] Figure 3 is Figure 2 a partial enlarged view of part A in

[0028] Figure 4 is a cross-sectional view of the switching valve group in an embodiment of the present invention;

[0029] Figure 5 is a schematic diagram of the mating relationship between the switching component and the valve cover in an embodiment of the present invention;

[0030] Figure 6 is a schematic structural diagram of the meshing of the driving gear and the driven gear in an embodiment of the present invention;

[0031] Figure 7 is a schematic diagram of the structure of the sleeve in an embodiment of the present invention;

[0032] Figure 8 is a schematic diagram of the structure of the brewing head assembly in an embodiment of the present invention;

[0033] Figure 9 is a schematic diagram of the structure of the switching valve group in an embodiment of the present invention;

[0034] Figure 10 is an exploded view of the switching valve group in an embodiment of the present invention.

[0035] In the figure:

[0036] 100, shower head; 200, brewing head assembly; 210, horizontal axis; 220, brewing head body; 230, tip;

[0037] 1, fixed bracket; 11, micro switch;

[0038] 2, sleeve; 21, cylinder body; 211, first support groove; 212, second support groove; 213, guiding groove; 22, driven gear;

[0039] 3, switching component; 31, driving gear; 32, limiting member; 321, elastic reset member; 322, limiting bolt;

[0040] 4. Drive shaft; 41. Handle;

[0041] 5. Valve cover; 51. Limit groove; 52. Avoidance groove;

[0042] 6. Liquid supply seat; 61. Liquid supply joint; 62. Rib;

[0043] 7. Seal; 71. Through hole; 72. Sealing rib; 73. Positioning boss;

[0044] 8. Liquid outlet seat; 81. First outlet; 82. Second outlet; 83. Third outlet;

[0045] 91. First joint; 92. Second joint; 93. Third joint. Detailed implementation mode

[0046] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.

[0047] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions. Moreover, the first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicating that the first feature has a lower horizontal height than the second feature.

[0048] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0050] The present invention provides a coffee machine, including a body and a coffee machine brewing mode switching assembly. The coffee machine brewing mode switching assembly is connected to the body and is used to switch the brewing mode of the coffee machine. When the coffee machine brewing mode switching assembly switches the brewing mode of the coffee machine to the capsule mode, the coffee machine brewing mode switching assembly can synchronously puncture the coffee capsule stored in the body.

[0051] Specifically, as Figures 1 - 10 shown, the coffee machine brewing mode switching assembly in the coffee machine of the present invention includes a fixed bracket 1, a switching component 3, and a brewing head component 200. A sleeve 2 is rotatably connected to the fixed bracket 1. The switching component 3 can drive the sleeve 2 to rotate or fix the sleeve 2. The brewing head component 200 is arranged inside the sleeve 2 and is configured such that when the sleeve 2 rotates, the sleeve 2 can push the brewing head component 200 to move up and down to puncture the coffee capsule; when the sleeve 2 is fixed, the sleeve 2 is relatively fixed to the brewing head component 200. When switching the brewing mode of the coffee machine, the switching component 3 drives the sleeve 2 to rotate, and then drives the brewing head component 200 to puncture the coffee capsule through the sleeve 2, so that the user does not need to manually open and close the upper cover of the coffee machine again, improving the user's convenience of use. In this embodiment, the coffee machine is set as a two-in-one coffee machine or a three-in-one coffee machine. The two-in-one coffee machine can switch between the capsule mode and the drip mode, and the three-in-one coffee machine can switch between the capsule mode, the drip mode, and the hot water mode. When the brewing mode of the coffee machine is switched to the capsule mode through the switching component 3, the switching component 3 drives the sleeve 2 to rotate, so that the brewing head component 200 can puncture the coffee capsule. And the switching component 3 can also fix the sleeve 2 after the sleeve 2 rotates to a suitable position to ensure the position of the brewing head component 200.

[0052] The brewing head assembly 200 in this embodiment includes a brewing head body 220, a horizontal shaft 210, and a tip 230. The horizontal shaft 210 is fixedly connected to the brewing head body 220, and the tip 230 is disposed on the brewing head body 220. When the switching assembly 3 drives the sleeve 2 to rotate, the sleeve 2 drives the horizontal shaft 210 to move up and down, so that the tip 230 can pierce the coffee capsule. A water outlet hole is provided in a part of the tip 230, and a water inlet channel is provided inside the brewing head body 220. The water outlet hole of the tip 230 is communicated with the water inlet channel. Thus, the water outlet hole and the water inlet channel form a supply path for the capsule coffee liquid.

[0053] Further, the barrel 21 of the sleeve 2 is provided with a guiding groove 213, the fixing bracket 1 is provided with a guiding groove in the vertical direction, the brewing head assembly 200 is provided with a shaft that can pass through the guiding groove 213, and after the shaft of the brewing head assembly 200 passes through the guiding groove 213, its end is located in the guiding groove of the fixing bracket 1. When the barrel 21 rotates, the groove wall of the guiding groove 213 cooperates with the shaft, so that the shaft receives an upward or downward inclined force, and under the limitation of the guiding groove, it moves up and down in the vertical direction along the guiding groove, thereby driving the brewing head assembly 200 to move up and down. The guiding groove 213 can be provided with two, three or four, and at the same time the guiding groove is provided with two, three or four. The corresponding shafts of the brewing head assembly 200 can be provided with two, three or four sections, and respectively pass through the corresponding guiding grooves 213, and the ends are located in the corresponding guiding grooves. In this embodiment, in order to achieve a simplified structure and ensure the reliability of the movement, the guiding groove 213 is preferably two, and the guiding groove is preferably two.

[0054] Specifically, as Figures 6 - 8 shown, the barrel 21 of the sleeve 2 is provided with two guiding grooves 213, and the two guiding grooves 213 are symmetrically arranged with the axis center of the barrel 21, that is, the two guiding grooves 213 are rotationally symmetrically arranged on the barrel 21. The fixing bracket 1 is provided with two guiding grooves in the vertical direction, and the two guiding grooves are arranged in one-to-one correspondence with the two guiding grooves 213. The brewing head assembly 200 is provided with a horizontal shaft 210, and the horizontal shaft 210 passes through the two guiding grooves 213 and the two ends of the horizontal shaft 210 are respectively located in the two guiding grooves. The horizontal shaft 210 is slidably matched with the guiding groove 213 and slidably matched with the guiding groove in the vertical direction. The guiding groove 213 is arranged at an angle with the vertical direction. When the sleeve 2 rotates, the horizontal shaft 210 located in the guiding groove 213 has a tendency to move upward or downward inclined under the action of the groove wall of the guiding groove 213. Since the two ends of the horizontal shaft 210 are located in the two guiding grooves, the groove walls of the guiding grooves limit the tendency of the two ends of the horizontal shaft 210 to move in the horizontal direction, thereby restricting the circumferential rotation of the horizontal shaft 210 relative to the fixing bracket 1. Therefore, the horizontal shaft 210 can only move up and down along the guiding groove.

[0055] Specifically, please continue to refer to Figures 6 - 8As shown, first support grooves 211 and second support grooves 212 are also provided at both ends of the guiding groove 213. Both the first support groove 211 and the second support groove 212 communicate with the guiding groove 213. Horizontal groove walls are provided in both the first support groove 211 and the second support groove 212, and the horizontal groove walls of the first support groove 211 and the second support groove 212 are connected to the groove wall of the guiding groove 213 located below. After the horizontal axis 210 of the brewing head assembly 200 rises to the limit position along the guiding groove 213, the horizontal axis 210 contacts the horizontal groove wall of the first support groove 211, and at this time, the horizontal groove wall of the first support groove 211 supports the horizontal axis 210. After the horizontal axis 210 of the brewing head assembly 200 descends to the limit position along the guiding groove 213, the horizontal axis 210 contacts the horizontal groove wall of the second support groove 212, and at this time, the horizontal groove wall of the second support groove 212 supports the horizontal axis 210.

[0056] Optionally, the shape of the groove wall of the guiding groove 213 is spiral. During the process of the guiding groove 213 driving the sleeve 2 to rise from the lower limit position to the upper limit position, the horizontal axis 210 rises under the drive of the groove wall of the guiding groove 213 located below. Since the shape of the groove wall is spiral, during the rising process of the sleeve 2, the horizontal axis 210 always maintains line contact with the groove wall of the guiding groove 213, ensuring more reliable movement. During the process of the guiding groove 213 driving the sleeve 2 to descend from the upper limit position to the lower limit position, the horizontal axis 210 descends under the drive of the groove wall of the guiding groove 213 located above. Similarly, since the shape of the groove wall is spiral, during the descending process of the sleeve 2, the horizontal axis 210 always maintains line contact with the groove wall of the guiding groove 213, ensuring more reliable movement.

[0057] Furthermore, as Figure 2 、 Figure 5 and Figure 6 shown, the switching assembly 3 includes a rotatable drive shaft 4, a driving gear 31 fixed to the drive shaft 4, and a driven gear 22 fixedly provided on the outer peripheral wall of the socket. The driving gear 31 and the driven gear 22 are meshed. When the switching assembly 3 switches the brewing mode of the coffee machine, the drive shaft 4 rotates, driving the driving gear 31 to rotate, and driving the sleeve 2 to rotate through the driven gear 22 meshed with the driving gear 31, realizing the lifting of the brewing head assembly 200.

[0058] Optionally, the driving gear 31 and / or the driven gear 22 is an incomplete gear. When both the driving gear 31 and the driven gear 22 are set as incomplete gears, when the switching assembly 3 switches the brewing mode of the coffee machine to the capsule mode, the driving gear 31 meshes with the driven gear 22 and drives the driven gear 22 to rotate. When the switching assembly 3 switches the brewing mode of the coffee machine from the capsule mode to the drip mode, the driving gear 31 drives the driven gear 22 to rotate in the reverse direction. When only the driving gear 31 is set as an incomplete gear, the driven gear 22 can always mesh with the driving gear 31. And to avoid interference between the driven gear 22 and the guiding groove 213 resulting in the horizontal shaft 210 being unable to lift and lower along with the guiding groove 213, the driven gear 22 can be arranged at the unslotted position at the top or bottom of the sleeve 2. Similarly, when the switching assembly 3 switches the brewing mode of the coffee machine to different states, the brewing head assembly 200 can correspondingly rise or fall. When only the driven gear 22 is set as an incomplete gear, the driving gear 31 and the driven gear 22 can also realize the rising and falling of the brewing head assembly 200 through meshing transmission. The specific movement process has been described similarly in the previous case where both the driving gear 31 and the driven gear 22 are set as incomplete gears, so it will not be elaborated here. When both the driving gear 31 and the driven gear 22 are set as complete gears, the driving gear 31 and the driven gear 22 can always mesh, and can also realize the rising and falling of the brewing head assembly 200. The specific movement process has been described similarly in the previous case where only the driving gear 31 is set as an incomplete gear, so it will not be elaborated here.

[0059] It should be noted that when the driven gear 22 is set as an incomplete gear, whether the driving gear 31 is set as a complete gear or an incomplete gear, there is a risk that the driving gear 31 and the driven gear 22 cannot re-engage after disengaging. Therefore, to avoid the problem that the driving gear 31 and the driven gear 22 cannot re-engage after disengaging, the driving gear 31 and the driven gear 22 in this embodiment can be set with appropriate number of teeth and / or arc according to the engineering practice to ensure that the two are always in the meshing state, so as to be able to effectively transmit power.

[0060] Furthermore, as Figures 2 - 5 shown, while driving the sleeve 2 to rotate, the switching assembly 3 can also switch the brewing mode of the coffee machine. Correspondingly, the switching assembly 3 further includes a switching valve group, and the switching of the brewing mode of the coffee machine is realized by changing the state of the switching valve group. The switching valve group includes a liquid supply seat 6 and a liquid outlet seat 8. The liquid supply seat 6 is fixedly connected with a liquid supply joint 61, and the liquid outlet seat 8 is provided with one or more liquid outlet joints. The liquid supply seat 6 is rotatably arranged on the liquid outlet seat 8, and the liquid supply joint 61 can selectively communicate with any liquid outlet joint to meet the switching of different brewing modes of the coffee machine.

[0061] Specifically, asFigure 1 , Figure 9 and Figure 10 As shown in Figure 9 and Figure 10 , this embodiment is described by taking a three-in-one coffee machine as an example. The three liquid outlet joints provided on the liquid outlet seat 8 are a first joint 91, a second joint 92, and a third joint 93 respectively. A first outlet 81, a second outlet 82, and a third outlet 83 are provided on the liquid outlet seat 8. The first outlet 81, the second outlet 82, and the third outlet 83 are respectively communicated with the first joint 91, the second joint 92, and the third joint 93. The first joint 91, the second joint 92, and the third joint 93 are respectively used for flowing out coffee liquid in capsule mode, coffee liquid in drip mode, and hot water in hot water mode. When switching the brewing mode of the coffee machine, the liquid supply seat 6 rotates relative to the liquid outlet seat 8 and is communicated with the first joint 91, the second joint 92, and the third joint 93.

[0062] A seal 7 is provided between the liquid supply seat 6 and the liquid outlet seat 8. The shape of the seal 7 is the same as that of the liquid outlet seat 8. The seal 7 is provided with a plurality of through holes 71. In this embodiment, the number of through holes 71 is preferably three. The three through holes 71 are communicated with the first joint 91, the second joint 92, and the third joint 93 in one-to-one correspondence. By providing the seal 7, the seal between the liquid supply seat 6 and the liquid outlet seat 8 is ensured, and liquid leakage is avoided. It can be understood that for the three-in-one coffee machine in this embodiment, the liquid outlet joints are set to three, and the corresponding through holes 71 are also set to three. In other embodiments, the liquid outlet joints can also be set to one or two, and the corresponding through holes 71 can also be set to one or two. The corresponding positional relationship is similar to or the same as that in this embodiment, so it will not be elaborated here.

[0063] Optionally, as Figures 2 - 3As shown in the figure, to enhance the sealing effect of the seal 7, it further includes a sealing rib 62 and / or a rib 72. A sealing rib 62 is provided on the axial end face of one of the liquid supply seat and the seal facing the other, and the sealing rib 62 is in a ring structure; a second rib is provided on the axial end face of one of the seal and the liquid outlet seat facing the other, and the second rib is in a ring structure. A sealing rib 62 is also provided on the axial end face of one of the liquid supply seat 6 and the seal 7 facing the other. In this embodiment, it is preferably provided with a sealing rib 62 on the axial end face of the liquid supply seat 6 facing the seal 7. The sealing rib 62 is in a ring structure and the protruding direction is towards the seal 7, and the sealing rib 62 is integrally formed with the liquid supply seat 6. A rib 72 is also provided on the axial end face of one of the seal 7 and the liquid outlet seat 8 facing the other, and the rib 72 abuts against the liquid supply seat 6 or the liquid outlet seat 8. In this embodiment, the rib 72 abuts against the liquid outlet seat. A rib 72 is provided on the axial end face of the seal 7 facing the liquid outlet seat 8. The rib 72 is in a ring structure and the protruding direction is towards the liquid outlet seat 8, and the rib 72 is integrally formed with the seal 7. The number of ribs 72 is the same as the number of through holes 71, and a ring-shaped groove capable of cooperating with the rib 72 is correspondingly provided on the liquid outlet seat 8. In this embodiment, the number of ribs 72 is three. The local sealing effects at the liquid supply joint 61 and the liquid outlet joint are respectively enhanced by the sealing rib 62 and the rib 72. To facilitate the positioning of the seal 7 and the liquid outlet seat 8, a positioning boss 73 extends from the through hole 71 of the seal 7 towards the liquid outlet seat 8, and the positioning boss 73 is used to cooperate with the first outlet 81, the second outlet 82, and the third outlet 83.

[0064] When the switching assembly 3 switches the brewing mode of the coffee machine, it drives the sleeve 2 to rotate to lift and lower the brewing head assembly 200, and correspondingly drives the switching valve group to synchronously connect the liquid supply joint 61 with different liquid outlet joints. The synchronous actions of these two groups of moving parts can be achieved by different driving parts through an electric control device in the prior art, or can be achieved by a single driving part. In this embodiment, to simplify the structure and improve the reliability of the device, it is preferably achieved by a single driving part.

[0065] Correspondingly, such as Figure 2 , Figure 4 , Figure 9 and Figure 10As shown in the figure, a driving gear 31 is fixedly connected to the driving shaft 4. The rotation of the driving shaft 4 drives the sleeve 2 to rotate through the meshing transmission between the driving gear 31 and the driven gear 22. A valve cover 5 is arranged below the driving gear 31, and the valve cover 5 is fixedly connected to the fixed bracket 1. An avoidance groove 52 is arranged on the valve cover 5. The liquid supply seat 6 is arranged below the valve cover 5, and the liquid supply joint 61 extends upward through the avoidance groove 52 of the valve cover 5. When the liquid supply seat 6 rotates, the liquid supply joint 61 moves within the avoidance groove 52. A seal 7 and a liquid outlet seat 8 are sequentially arranged below the liquid supply seat 6. After the valve cover 5 is fixedly connected to the fixed bracket 1, under the action of the valve cover 5, the liquid supply seat 6, the seal 7 and the liquid outlet seat 8 are mutually pressed, so that the seal 7 has a sealing effect. The driving shaft 4 passes through the valve cover 5 and is rotatably connected to the valve cover 5. The lower end of the driving shaft 4 extends at least to the liquid supply seat 6 and is fixedly connected to the liquid supply seat 6. Therefore, when the driving shaft 4 rotates, it can synchronously drive the liquid supply seat 6 to rotate, so that the liquid supply joint 61 communicates with different liquid outlet joints. The driving shaft 4 is rotatably connected to the sleeve 2 and the liquid supply seat 6. When the driving shaft 4 rotates, it drives the sleeve 2 and the liquid supply seat 6 to rotate by the same angle. Therefore, when the brewing mode of the coffee machine is switched to the capsule mode, the liquid supply joint 61 can communicate with the liquid outlet joint corresponding to the capsule mode.

[0066] Optionally, a limiting member 32 is arranged on the switching assembly 3, and the limiting member 32 is used to limit the position of the rotating shaft 4. In this embodiment, the limiting member 32 is provided with three limiting positions, and the limiting positions of the limiting member 32 are the same as the positions when the liquid supply joint 61 selectively communicates with any liquid outlet joint. When the driving shaft 4 rotates, it drives the switching assembly 3 and the liquid supply seat 6 to rotate synchronously. When the liquid supply joint of the liquid supply seat 6 communicates with any liquid outlet joint, the limiting position of the limiting member 32 on the switching assembly 3 corresponds to it. Specifically, the limiting positions include the position when the sleeve 2 is relatively fixed to the brewing head assembly 200. When the limiting member 32 is in the limiting position, the sleeve 2 drives the brewing head assembly to complete corresponding actions, and the sleeve 2 and the brewing head assembly 200 are relatively fixed in position under the condition of no external force.

[0067] Specifically, the limiting member 32 has elasticity, and the limiting position can be realized by the elastic force of the limiting member 32 or the frictional force between the limiting member 32 and its cooperating parts under the action of the elastic force. In this embodiment, the limiting member 32 includes an elastic reset member 321 and a limiting bolt 322, and the limiting position is realized by the cooperation of the limiting bolt 322 and the valve cover 5. Please refer to Figure 5As shown in the figure, an installation groove is provided on the driving gear 31. A limit bolt 322 and an elastic reset member 321 are arranged in the installation groove. One end of the limit bolt 322 is vertically arranged in the installation groove, and the elastic reset member 321 is arranged between the limit bolt 322 and the bottom wall of the installation groove. One or more limit grooves 51 are arranged on the valve cover 5. Taking a three-in-one coffee machine as an example, three limit grooves 51 are preferably arranged circumferentially on the valve cover 5. The elastic reset member 321 is used to enable the other end of the limit bolt 322 to selectively withdraw from or insert into any one of the limit grooves 51 when the driving shaft 4 rotates. The limit bolt 322 is provided with a flat head end and a round head end. The flat head end of the limit bolt 322 is located in the installation groove, and the two ends of the elastic reset member 321 are respectively abutted against the flat head end and the bottom wall of the installation groove. The round head end of the limit bolt 322 is used to withdraw from or insert into the limit groove 51. The elastic reset member 321 is preferably a spring, and the spring is always in a compressed state. At the same time, in order to ensure that the limit bolt 322 can withdraw from or insert into the limit groove 51, a round chamfer can be provided at the edge of the limit groove 51. When the driving shaft 4 rotates, the round head end of the limit bolt 322 slides along the limit groove 51, and at the same time, the spring is continuously compressed until the limit bolt 322 withdraws from the limit groove 51. As the driving shaft 4 continues to rotate, the limit bolt 322 reaches the next limit groove 51 and inserts into the limit groove 51 under the elastic force of the spring. Since the spring always has an elastic force on the limit bolt 322, the positions of the driving shaft 4 and the driving gear 31 can be kept unchanged without external force. In this embodiment, a handle 41 is fixedly connected to the top end of the driving shaft 4, which is more convenient for the user to operate.

[0068] Specifically, as Figure 1 shown in the figure, the fixed bracket 1 is installed on the shower head 100. The structure of the shower head 100 is not described in detail here as it is prior art in the field. Two micro switches 11 are further arranged on the fixed bracket 1, and the driving gear 31 can contact one of the two micro switches 11. When the switching component 3 switches the brewing mode of the coffee machine, the driving gear 31 contacts the micro switch 11, and the micro switch 11 sends an electrical signal to the controller, thereby controlling the coffee machine to operate in different modes to provide different coffee liquids or hot water. As prior art in the field, the controller is communicatively connected to the micro switch 11. The controller can be a single-chip microcomputer or a collection of multiple single-chip microcomputers. It runs a control program internally and controls the actuator to perform corresponding actions according to the electrical signal of the micro switch 11. Those skilled in the art can select different specifications and models of the controller and the micro switch 11 according to actual needs, and run the control program in the prior art to complete the control actions on different actuators.

[0069] Taking a three-in-one coffee machine as an example, the working process of switching the coffee machine brewing mode assembly in this embodiment to the capsule mode is introduced. After placing the coffee capsule into the coffee machine, turn the handle 41 to make the drive shaft 4 rotate. The drive shaft 4 drives the driving gear 31 to rotate a certain angle. The limiting member 32 exits from one of the limiting grooves 51 and inserts into the next limiting groove 51. The driven gear 22 engaged with the driving gear 31 drives the sleeve 2 to rotate. The sleeve 2 drives the cross shaft 210 of the brewing head assembly 200 to descend, and at the same time drives the tip 230 of the brewing head body 220 to pierce the coffee capsule downward. At the same time, the drive shaft 4 drives the liquid supply seat 6 to rotate a certain angle, and the liquid supply joint 61 is communicated with the corresponding liquid outlet joint in the capsule mode, so that the capsule coffee liquid can flow out through the liquid supply joint 61 and the corresponding liquid outlet joint.

[0070] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A coffee machine brewing mode switching assembly, characterized in that, Comprising: A fixed bracket (1), on which a sleeve (2) is rotatably connected; A switching component (3), which can drive the sleeve (2) to rotate or fix the sleeve (2); A brewing head component (200), which is arranged inside the sleeve (2), and the brewing head component (200) is configured such that when the sleeve (2) rotates, the sleeve (2) can push the brewing head component (200) to lift and pierce a coffee capsule; when the sleeve (2) is fixed, the sleeve (2) and the brewing head component (200) are relatively fixed.

2. The coffee machine brewing mode switching assembly according to claim 1, characterized in that, The sleeve (2) is provided with a guiding groove (213), the brewing head component (200) is provided with a horizontal axis (210), and the horizontal axis (210) is slidably engaged with the guiding groove (213), so that when the sleeve (2) rotates, the side wall of the guiding groove (213) can push the horizontal axis (210) to lift.

3. The coffee machine brewing mode switching assembly according to claim 2, wherein Two guiding grooves (213) are provided, and the two guiding grooves (213) are symmetrically arranged in rotation on the sleeve (2).

4. The coffee machine brewing mode switching assembly according to claim 2, characterized in that, Both ends of the guiding groove (213) are further provided with a first support groove (211) and a second support groove (212), and the groove walls of the first support groove (211) and the second support groove (212) can both support the horizontal axis (210).

5. The coffee machine brewing mode switching assembly according to claim 4, characterized in that Both the first support groove (211) and the second support groove (212) are provided with horizontal groove walls.

6. The coffee machine brewing mode switching assembly according to claim 2, wherein The groove wall shape of the guiding groove (213) is spiral.

7. The coffee machine brewing mode switching assembly according to claim 1, wherein The switching component (3) includes a driving shaft (4), a driving gear (31) fixed to the driving shaft (4), and a driven gear (22) fixedly arranged on the outer peripheral wall of the sleeve (2), and the driving gear (31) is engaged with the driven gear (22).

8. The coffee machine brewing mode switching assembly according to claim 7, characterized in that, The driving gear (31) and / or the driven gear (22) is an incomplete gear.

9. The coffee machine brewing mode switching assembly according to claim 1, characterized in that, The switching component (3) further includes a liquid supply seat (6) and a liquid outlet seat (8), the liquid supply seat (6) is fixedly connected with a liquid supply joint (61), and the liquid outlet seat (8) is provided with one or more liquid outlet joints; The liquid supply seat (6) is rotatably arranged on the liquid outlet seat (8) so that the liquid supply joint (61) can selectively communicate with any one of the liquid outlet joints.

10. The coffee machine brewing mode switching assembly according to claim 9, wherein, The switching component (3) further includes a rotatable driving shaft (4), and the driving shaft (4) is rotatably connected to the sleeve (2) and the liquid supply seat (6).

11. The coffee machine brewing mode switching assembly according to claim 9, wherein, A sealing member (7) is provided between the liquid supply seat (6) and the liquid outlet seat (8), the sealing member (7) is provided with through holes (71), and the through holes (71) are in one-to-one communication with the liquid outlet joints.

12. The coffee machine brewing mode switching assembly according to claim 11, wherein, The sealing member (7) is provided with convex ribs (72), and the convex ribs (72) abut against the liquid supply seat (6) or the liquid outlet seat (8).

13. The coffee machine brewing mode switching assembly according to claim 12, characterized in that, The convex ribs (72) are of an annular structure.

14. The coffee machine brewing mode switching assembly according to claim 12, wherein The convex ribs (72) are integrally formed with the sealing member (7).

15. The coffee machine brewing mode switching assembly according to claim 9, wherein, A limiting member (32) is provided on the switching component (3), and the position defined by the limiting member (32) is the same as the position when the liquid supply joint (61) selectively communicates with any one of the liquid outlet joints.

16. The coffee machine brewing mode switching assembly according to claim 15, characterized in that, The position defined by the limiting member (32) includes the relative fixed position of the sleeve (2) and the brewing head assembly (200).

17. The coffee machine brewing mode switching assembly according to claim 15, wherein The limiting member (32) is elastic.

18. A coffee machine, comprising a body, characterized in that, It further includes the coffee machine brewing mode switching assembly according to any one of claims 1-17, and the fixed bracket (1) of the coffee machine brewing mode switching assembly is connected to the fuselage.

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