Coupling device and coffee machine
By adopting the design of rotating and touch switches in the coupling device, combined with the combined structure of sliding locks and spring locks, the problem of unreliable connection in the prior art is solved, and more stable electrical and mechanical connections are achieved, which enhances the Safety and coffee machine functionality expansion.
Patent Information
- Application Number
- CN202421154483.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The coupling device in the prior art is not reliable enough in the field of electric kettles and other fields, and is easy to disengage during sporty operation of the host, causing safety risks.
Design a coupling device to achieve controllable connection or separation between A and B coupling parts through rotation and touch switches, and adopt a combined structure of sliding locks and spring locks to ensure electrical connection and mechanical fixation in a specific position. Connect and easy to unlock and disassemble through lock switch devices.
It improves the reliability and flexibility of the connection, ensures that it does not detach during movement operation, achieves a more comprehensive and reliable mechanical and electrical signal connection, enhances safety, and facilitates the function expansion and combination of coffee machines.
Smart Images
Figure CN222303681U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of a coupling device and a coffee machine, and in particular to a coupling device and a coffee machine equipped with the coupling device. Background Art
[0002] The coupling devices in the prior art, especially those used in the electric kettle and other fields, usually have low reliability of mechanical connection in order to consider ease of use and convenient handling. When the host needs to perform motion operations, such as grinding and stirring with the motor, it is easy to disengage, causing safety risks. Summary of the invention
[0003] The technical solution of the present application overcomes the shortcomings of the connection reliability of the flat coupling device in the prior art, and can provide a coupling device, in which the A coupling part and the B coupling part can be connected or separated in a controllable manner through rotation and a touch switch; thereby increasing the reliability of the connection and the flexibility of the connection combination.
[0004] The technical solution to solve the above technical problems is a coupling device, comprising an A coupling part and a B coupling part; the A coupling part is used to be arranged at one end of a device A to be coupled, and the B coupling part is used to be arranged at one end of another device B to be coupled, and the A coupling part and the B coupling part are controllably connected or separated by rotation; when the B coupling part and the A coupling part are buckled, the B coupling part can rotate relative to the A coupling part, and when it is rotated to a set position, the A coupling part and the B coupling part are fixedly connected; the B coupling part rotates in the opposite direction relative to the A coupling part, and the A coupling part and the B coupling part are released from the fixed connection; when the A coupling part and the B coupling part are fixedly connected, the electrical connection and mechanical fixed connection between the device A to be coupled and the device B to be coupled can be achieved; when the A coupling part and the B coupling part are separated, the electrical connection and mechanical fixed connection between the device A to be coupled and the device B to be coupled are released.
[0005] The A coupling part includes an A electrical coupling component, a sliding lock hole and a spring lock hole; the B coupling part includes a B electrical coupling component, a sliding lock, and a spring lock; the sliding lock can be inserted into the sliding lock hole and slide in the sliding lock hole; the B coupling part is rotated, and when the sliding lock does not slide to the set position in the sliding lock hole, the spring lock is resisted by the A coupling part; when the sliding lock slides to the set position in the sliding lock hole, the spring lock pops out and the spring lock extends into the spring lock hole; when the A coupling part and the B coupling part are fixedly connected, the A electrical coupling component and The B electrical coupling assembly is connected to realize the electrical connection between the device to be coupled A and the device to be coupled B, and the electrical connection includes a power supply connection and a control electrical signal connection; when the A coupling part and the B coupling part are fixedly connected, the sliding lock is extended into the set position of the sliding lock hole, and the spring lock is extended into the spring lock hole, and the device to be coupled A and the device to be coupled B are mechanically fixedly connected; the B coupling part is rotated in the reverse direction, the sliding lock is pulled out from the sliding lock hole, the spring lock is pulled out from the spring lock hole, and the mechanical fixed connection between the device to be coupled A and the device to be coupled B is released.
[0006] The B coupling part also includes a lock switch device; the lock switch device is used to control whether the spring lock is extended into the spring lock hole; the spring lock includes a lock end and a switch contact end; the lock switch device includes a spring and a touch part; one end of the spring is fixedly connected to the lock end, and the switch contact end is used to contact the touch part; when the touch part is touched by an external force, the switch contact end is pushed to move, the spring is compressed, and the lock end is driven to move out of the spring lock hole; when the external force on the touch part is removed, the spring returns to a free state, driving the lock end to extend into the spring lock hole.
[0007] The lock end and the switch contact end are fixedly connected as a whole; the switch contact end is truncated; the outer surface of the truncated cone is used to contact the touch part; when the touch part is touched by external force, the contact point between the touch part and the switch contact end moves from the large diameter of the truncated cone outer surface to the small diameter of the truncated cone outer surface.
[0008] The lock end is cylindrical, the switch contact end is provided with a spring hole, and the bottom of the spring hole is provided with a spring fixing end; one end of the spring is sleeved on the spring fixing end and fixedly connected with the spring fixing end.
[0009] The A coupling part also includes an A coupling base, through which the A coupling part is fixedly connected to the external device A to be coupled; the B coupling part also includes a B coupling base, through which the B coupling part is fixedly connected to the external device B to be coupled.
[0010] A technical solution to the above technical problem may also be a coffee machine, comprising a coffee machine body and a coffee making module; and further comprising the above coupling device; the coffee machine body and the coffee making module are coupled via the coupling device.
[0011] The coupling device includes a first coupling device; the A coupling part of the first coupling device is arranged on one side of the coffee machine body, and the B coupling part of the first coupling device is arranged on one side of the coffee making module; the coffee machine body and the coffee making module are detachably connected through the A coupling part and the B coupling part; when the A coupling part and the B coupling part are fixedly connected, the coffee machine body and the coffee making module are fixedly connected, and the coffee making module obtains power supply and control electrical signals from the coffee machine body; when the A coupling part and the B coupling part are released from the fixed connection, the coffee making module is released from the fixed connection with the coffee machine body, and the electrical connection between the coffee machine body and the coffee making module is disconnected.
[0012] The coupling device also includes a second coupling device; the coffee machine also includes an additional function module; the B coupling portion of the second coupling device is arranged on one side of the additional function module; the A coupling portion of the second coupling device is arranged on the other side of the coffee machine body, and the coffee machine body and the additional function module are detachably connected through the A coupling portion and the B coupling portion; when the A coupling portion and the B coupling portion are fixedly connected, the coffee machine body and the additional function module are fixedly connected, and the additional function module obtains power supply and control electrical signals from the coffee machine body; when the A coupling portion and the B coupling portion are released from the fixed connection, the additional function module is released from the fixed connection with the coffee machine body, and the electrical connection between the coffee machine body and the additional function module is disconnected.
[0013] The additional functional modules include any one of a bean grinding module, an ice making module, and a juice extraction module.
[0014] Compared with the prior art, one of the beneficial effects of the present application is that: the A coupling part and the B coupling part can be controllably connected or separated by rotation; the reliability of the connection is increased; the A coupling part and the B coupling part are respectively arranged at one end of the two devices to be coupled, which facilitates the coupling connection between different components. The coupling connection can not only realize mechanical connection, but also realize the connection of power supply and electrical control signals, which is a more comprehensive and reliable connection coupling method.
[0015] Compared with the prior art, one of the beneficial effects of the present application is that: the A electrical coupling component and the B electrical coupling component are connected to realize the electrical connection between the to-be-coupled device A and the to-be-coupled device B; the electrical coupling is simple and reliable.
[0016] Compared with the prior art, one of the beneficial effects of the present application is that multiple groups of sliding lock holes and sliding lock connections are provided to increase the reliability of the mechanical connection.
[0017] Compared with the prior art, one of the beneficial effects of the present application is that the sliding lock can be inserted into the sliding lock hole and slide, and when sliding to a specific position, the spring lock and the spring lock hole are snap-fitted and connected, thereby ensuring the reliability of the connection.
[0018] Compared with the prior art, one of the beneficial effects of the present application is that the provision of the lock switch device facilitates the unlocking of the lock switch and facilitates the detachable connection.
[0019] Compared with the prior art, one of the beneficial effects of the present application is that the frustum-conical shape of the switch contact end facilitates movable contact with the touch portion and can reliably realize press touch, making the key touch more reliable.
[0020] Compared with the prior art, one of the beneficial effects of the present application is that the provision of the A coupling base and the B coupling base facilitates the connection of the A coupling part and the B coupling part as a whole with an external device to be coupled.
[0021] Compared with the prior art, one of the beneficial effects of the present application is that the coupling device and the coffee machine body are integrated, so that the coffee machine can more conveniently combine various functions, thereby increasing the expandability of the coffee machine.
[0022] Compared with the prior art, one of the beneficial effects of the present application is that the design of the coupling device makes it convenient to install two sets of coupling devices on the main body of the coffee machine at the same time, and can expand the corresponding functional modules at both ends at the same time, so as to facilitate the combination of different functions.
[0023] Compared with the prior art, one of the beneficial effects of the present application is that a wide variety of additional functional modules are provided, which facilitates flexible expansion and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is one of the schematic diagrams of the decomposed state of the coupling device and the device to be coupled;
[0025] Figure 2 This is the second schematic diagram of the decomposed state of the coupling device and the device to be coupled;
[0026] Figure 3 is a schematic diagram of one side of the coupling device;
[0027] Figure 4 yes Figure 3 An enlarged schematic diagram of
[0028] Figure 5 is a schematic diagram of the other side of the coupling device;
[0029] Figure 6 It is one of the cross-sectional schematic diagrams of the combined state of the coupling device and the device to be coupled;
[0030] Figure 7 yes Figure 6 A partial enlarged schematic diagram of part C in the middle;
[0031] Figure 8 is a second cross-sectional schematic diagram of the combined state of the coupling device and the device to be coupled;
[0032] Fig. 9 yes Figure 8 A partial enlarged schematic diagram of part C in the middle;
[0033] Fig.10 This is the third schematic diagram of the decomposed state of the coupling device and the device to be coupled. DETAILED DESCRIPTION
[0034] The content of this application is further described in detail below in conjunction with the accompanying drawings.
[0035] It should be noted that the following is a description of the preferred embodiments of the present application, which does not constitute any limitation to the present application. The description of the preferred embodiments of the present application is only an explanation of the general principles of the present application. The embodiments described in this application are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 on the present application. In addition, the terms "first", "second", and technical features numbered with Arabic numerals 1, 2, 3, etc., and numbers such as "A" and "B", are only used for descriptive purposes and are only for the convenience of explanation, and do not represent a sequential relationship in time or space; they cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and numbered with Arabic numerals 1, 2, 3, etc. may explicitly or implicitly include one or more of the features. In the description of the present application, “several” means two or more than two, unless otherwise clearly and specifically defined.
[0037] like Figures 1 to 4In one embodiment of a coupling device, the coupling device comprises an A coupling part 100 and a B coupling part 200; the A coupling part 100 is used to be arranged at one end of a device A to be coupled, and the B coupling part 200 is used to be arranged at one end of another device B to be coupled, and the A coupling part 100 and the B coupling part 200 are controllably connected or separated by rotation; when the B coupling part 200 and the A coupling part 100 are buckled, the B coupling part 200 can rotate relative to the A coupling part 100, and when it is rotated to a set position, the A coupling part 100 and the B coupling part 200 are fixedly connected; the B coupling part 200 rotates in the opposite direction relative to the A coupling part 100, and the A coupling part 100 and the B coupling part 200 are released from the fixed connection; when the A coupling part 100 and the B coupling part 200 are fixedly connected, the electrical connection and mechanical fixed connection between the device A to be coupled and the device B to be coupled can be realized; when the A coupling part 100 and the B coupling part 200 are separated, the electrical connection and mechanical fixed connection between the device A to be coupled and the device B to be coupled are released.
[0038] like Figures 3 to 5 In one embodiment of a coupling device, the A coupling part 100 includes an A electrical coupling component 110, a sliding lock hole 120 and a spring lock hole 130; the B coupling part 200 includes a B electrical coupling component 210, a sliding lock 220 and a spring lock 230; the sliding lock 220 can be inserted into the sliding lock hole 120 and slide in the sliding lock hole 120; the B coupling part 200 is rotated, and when the sliding lock 220 does not slide to a set position in the sliding lock hole 120, the spring lock 230 is resisted by the A coupling part 100; when the sliding lock 220 slides to a set position in the sliding lock hole 120, the spring lock 230 pops out and the spring lock 230 extends into the spring lock hole 130; the A coupling part 100 When the A coupling part 100 and the B coupling part 200 are fixedly connected, the A electrical coupling component 110 and the B electrical coupling component 210 are connected to realize the electrical connection between the device to be coupled A and the device to be coupled B, and the electrical connection includes a power supply connection and a control electrical signal connection; when the A coupling part 100 and the B coupling part 200 are fixedly connected, the sliding lock 220 extends into the set position of the sliding lock hole 120, and the spring lock 230 extends into the spring lock hole 130, and the device to be coupled A and the device to be coupled B are mechanically fixedly connected; the B coupling part 200 is rotated in the reverse direction, the sliding lock 220 is pulled out of the sliding lock hole 120, the spring lock 230 is pulled out of the spring lock hole 130, and the mechanical fixed connection between the device to be coupled A and the device to be coupled B is released.
[0039] like Figures 5 to 9In an embodiment of a coupling device, the B coupling part 200 also includes a lock switch device 260; the lock switch device 260 is used to control whether the spring lock 230 extends into the spring lock hole 130; the spring lock 230 includes a lock end 231 and a switch contact end 232; the lock switch device 260 includes a spring 261 and a touch part 262; one end of the spring 261 is fixedly connected to the lock end 231, and the switch contact end 232 is used to contact the touch part 262; when the touch part 262 is touched by an external force, the switch contact end 232 is pushed to move, the spring 261 is compressed, and the lock end 231 is driven to move out of the spring lock hole 130; when the external force touch on the touch part 262 is removed, the spring 261 returns to a free state, driving the lock end 231 to extend into the spring lock hole 130.
[0040] Figure 6 is one of the cross-sectional schematic diagrams of the combined state of the coupling device and the device to be coupled, such as Figures 6 to 9 In an embodiment of a coupling device, the lock end 231 and the switch contact end 232 are fixedly connected as a whole; the switch contact end 232 is truncated; the outer surface of the truncated cone is used to contact the touch part 262; when the touch part 262 is touched by an external force, the contact point between the touch part 262 and the switch contact end 232 moves from the large diameter of the outer surface of the truncated cone to the small diameter of the outer surface of the truncated cone. Figure 6 and Figure 7 In the embodiment, the touch portion 262 is in a pop-up state, and the locking end 231 extends into the spring locking hole 130 .
[0041] Figure 8 is the second cross-sectional schematic diagram of the combined state of the coupling device and the device to be coupled, Figure 8 and Fig. 9 In the embodiment, the touch portion 262 is in a pressed state. At this time, the spring 261 is in a compressed state, driving the locking end 231 to be withdrawn from the spring locking hole 130 , and the locking end 231 does not extend into the spring locking hole 130 .
[0042] like Figures 6 to 9 In an embodiment of a coupling device, the lock end 231 is cylindrical, the switch contact end 232 is provided with a spring hole 2322, and the bottom of the spring hole 2322 is provided with a spring fixing end 2323; one end of the spring 261 is sleeved on the spring fixing end 2323 and fixedly connected with the spring fixing end 2323.
[0043] like Figures 4 to 5 In an embodiment of a coupling device, the A coupling part 100 further includes an A coupling base 150, and the A coupling part 100 is fixedly connected to the external device A to be coupled through the A coupling base 150; the B coupling part 200 further includes a B coupling base 270, and the B coupling part 200 is fixedly connected to the external device B to be coupled through the B coupling base 270.
[0044] The A coupling base 150 and the B coupling base 270 are disc-shaped, and their shapes are adapted to the shapes of the external devices to be coupled A and B. The main bodies of the devices to be coupled A and B can be cylindrical, and corresponding moving parts are built in. The devices to be coupled A and B, as well as the A coupling part 100 and the B coupling part 200, are for the purpose of expression and do not represent a fixed combination connection relationship. The device to be coupled A can be connected to the B coupling part 200, and the device to be coupled B can also be connected to the A coupling part 100.
[0045] like Figure 1 to Figure 2 ,as well as Figure 6 and Figure 8 In the embodiment of the coffee machine, it includes a coffee machine body 900 and a coffee making module 700; it also includes the above-mentioned coupling device; the coffee machine body 900 and the coffee making module 700 are coupled through the coupling device.
[0046] like Fig.10 In an embodiment of a coffee machine, the coupling device includes a first coupling device; the A coupling portion 100 of the first coupling device is arranged on one side of the coffee machine body 900, and the B coupling portion 200 of the first coupling device is arranged on one side of the coffee making module 700; the coffee machine body 900 and the coffee making module 700 are detachably connected through the A coupling portion 100 and the B coupling portion 200; when the A coupling portion 100 and the B coupling portion 200 are fixedly connected, the coffee machine body 900
[0047] The A coupling part 100 and the B coupling part 200 are fixedly connected to the coffee making module 700, and the coffee making module 700 obtains power supply and control electrical signals from the coffee machine body 900; when the A coupling part 100 and the B coupling part 200 are released from the fixed connection, the coffee making module 700 is released from the fixed connection with the coffee machine body 900, and the electrical connection between the coffee machine body 900 and the coffee making module 700 is disconnected.
[0048] The coffee machine body 900 is provided with an external power interface, and can obtain electrical energy from the outside.
[0049] like Figure 1 to Figure 2 ,as well as Figure 6 and Figure 8 In an embodiment of the coffee machine, the coupling device further comprises a second coupling device; the coffee machine further comprises an additional function module 800; the B coupling portion 200 of the second coupling device is arranged on one side of the additional function module 800; the A coupling portion 100 of the second coupling device is arranged on the other side of the coffee machine body 900,
[0050] The coffee machine body 900 and the additional function module 800 are detachably connected through the A coupling part 100 and the B coupling part 200; when the A coupling part 100 and the B coupling part 200 are fixedly connected, the coffee machine body 900 and the additional function module 800 are fixedly connected, and the additional function module 800 obtains power supply and control electrical signals from the coffee machine body 900; when the A coupling part 100 and the B coupling part 200 are released from the fixed connection, the additional function module 800 is released from the fixed connection with the coffee machine body 900,
[0051] The electrical connection between the coffee machine body 900 and the additional function module 800 is disconnected.
[0052] like Figure 1 , Figure 6 and Figure 8 , in the embodiment of the coffee machine, the additional functional module 800 is a bean grinding module 801;
[0053] like Figure 2 In the embodiment of the coffee machine, the additional function module 800 is any one of the ice making module 802 and the juice extraction module.
[0054] The above are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A coupling device, characterized in that It comprises an A coupling part (100) and a B coupling part (200); A coupling part (100) is used to be arranged at one end of a device A to be coupled, The coupling portion B (200) is used to be arranged at one end of another device B to be coupled, The A coupling part (100) and the B coupling part (200) are controllably connected or separated by rotation; When the B coupling part (200) and the A coupling part (100) are buckled, the B coupling part (200) can rotate relative to the A coupling part (100), and when it is rotated to a set position, the A coupling part (100) and the B coupling part (200) are fixedly connected; when the B coupling part (200) rotates in the opposite direction relative to the A coupling part (100), the A coupling part (100) and the B coupling part (200) are released from the fixed connection; When the A coupling part (100) and the B coupling part (200) are fixedly connected, electrical connection and mechanical fixed connection between the device to be coupled A and the device to be coupled B can be achieved; When the A coupling part (100) and the B coupling part (200) are separated, the electrical connection and the mechanical fixed connection between the device to be coupled A and the device to be coupled B are released.
2. The coupling device according to claim 1, characterized in that: The A coupling portion (100) comprises an A electrical coupling component (110), a sliding locking hole (120) and a spring locking hole (130); The B coupling part (200) comprises a B electrical coupling component (210), a sliding lock (220), and a spring lock (230); The sliding lock buckle (220) can extend into the sliding lock buckle hole (120) and slide in the sliding lock buckle hole (120); The B coupling part (200) is rotated, and when the sliding lock buckle (220) does not slide to the set position in the sliding lock buckle hole (120), the spring lock buckle (230) is held by the A coupling part (100); when the sliding lock buckle (220) slides to the set position in the sliding lock buckle hole (120), the spring lock buckle (230) pops out, and the spring lock buckle (230) extends into the spring lock buckle hole (130); When the A coupling part (100) and the B coupling part (200) are fixedly connected, the A electrical coupling component (110) and the B electrical coupling component (210) are connected to achieve electrical connection between the device to be coupled A and the device to be coupled B, wherein the electrical connection includes power supply connection and control electrical signal connection; When the A coupling portion (100) and the B coupling portion (200) are fixedly connected, the sliding lock (220) extends into the set position of the sliding lock hole (120), and the spring lock (230) extends into the spring lock hole (130), so that the device to be coupled A and the device to be coupled B are mechanically fixedly connected; The coupling part B (200) is rotated in the reverse direction, the sliding lock (220) is pulled out from the sliding lock hole (120), the spring lock (230) is pulled out from the spring lock hole (130), and the mechanical fixed connection between the device to be coupled A and the device to be coupled B is released.
3. The coupling device according to claim 2, characterized in that: The B coupling portion (200) further comprises a lock switch device (260); The lock switch device (260) is used to control whether the spring lock (230) extends into the spring lock hole (130); The spring lock (230) comprises a lock end (231) and a switch contact end (232); The lock switch device (260) comprises a spring (261) and a touch control part (262); One end of the spring (261) is fixedly connected to the lock end (231), and the switch contact end (232) is used to contact the touch portion (262); When the touch portion (262) is touched by an external force, it pushes the switch contact end (232) to move, the spring (261) is compressed, and the locking end (231) is driven to move out of the spring locking hole (130); When the external force on the touch portion (262) is removed, the spring (261) returns to a free state, driving the locking end (231) to extend into the spring locking hole (130).
4. The coupling device according to claim 3, characterized in that: The lock end (231) and the switch contact end (232) are fixedly connected as one body; The switch contact end (232) is in the shape of a truncated cone; the outer surface of the truncated cone is used for contacting the touch control portion (262); When the touch portion (262) is touched by an external force, the contact point between the touch portion (262) and the switch contact end (232) moves from the larger diameter of the outer surface of the truncated cone to the smaller diameter of the outer surface of the truncated cone.
5. The coupling device according to claim 3, characterized in that: The lock end (231) is cylindrical, and the switch contact end (232) is provided with a spring hole (2322). A spring fixing end (2323) is provided at the bottom of the spring hole (2322); one end of the spring (261) is sleeved on the spring fixing end (2323) and is fixedly connected to the spring fixing end (2323).
6. The coupling device according to claim 1, characterized in that: The A coupling part (100) further comprises an A coupling base (150), and the A coupling part (100) is fixedly connected to an external device A to be coupled via the A coupling base (150); The B coupling part (200) further comprises a B coupling base (270), and the B coupling part (200) is fixedly connected to an external device to be coupled B via the B coupling base (270).
7. A coffee machine, characterized in that It comprises a coffee machine body (900) and a coffee making module (700); Also includes the coupling device according to any one of claims 1 to 6 above; The coffee machine body (900) and the coffee making module (700) are coupled via a coupling device.
8. The coffee machine according to claim 7, characterized in that The coupling device comprises a first coupling device; The A coupling portion (100) of the first coupling device is arranged on one side of the coffee machine body (900), The B coupling portion (200) of the first coupling device is arranged on one side of the coffee making module (700); The coffee machine body (900) and the coffee making module (700) are detachably connected via an A coupling portion (100) and a B coupling portion (200); When the A coupling part (100) and the B coupling part (200) are fixedly connected, the coffee machine body (900) and the coffee making module (700) are fixedly connected, and the coffee making module (700) obtains power supply and control electrical signals from the coffee machine body (900); When the A coupling part (100) and the B coupling part (200) are released from the fixed connection, the coffee making module (700) is released from the fixed connection with the coffee machine body (900), and the electrical connection between the coffee machine body (900) and the coffee making module (700) is disconnected.
9. The coffee machine according to claim 7, characterized in that The coupling device further comprises a second coupling device; The coffee machine further comprises an additional function module (800); The B coupling portion (200) of the second coupling device is arranged on one side of the additional function module (800); The A coupling portion (100) of the second coupling device is arranged on the other side of the coffee machine body (900), The coffee machine body (900) and the additional function module (800) are detachably connected via an A coupling portion (100) and a B coupling portion (200); When the A coupling part (100) and the B coupling part (200) are fixedly connected, the coffee machine body (900) and the additional function module (800) are fixedly connected, and the additional function module (800) obtains power supply and control electrical signals from the coffee machine body (900); When the A coupling part (100) and the B coupling part (200) are released from the fixed connection, the additional function module (800) is released from the fixed connection with the coffee machine body (900), and the electrical connection between the coffee machine body (900) and the additional function module (800) is disconnected.
10. The coffee machine according to claim 9, characterized in that The additional function module (800) includes any one of a bean grinding module (801), an ice making module (802), and a juice extraction module.