CN116250724A

CN116250724A - Beverage preparation device

Info

Publication number: CN116250724A
Application number: CN202111496897.8A
Authority: CN
Inventors: 王鑫; 丁宇; 卢德安; 姜伟峰
Original assignee: Suzhou Calomey Coffee Machine Technology Co ltd
Current assignee: Suzhou Calomey Coffee Machine Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2023-06-13
Anticipated expiration: 2041-12-09
Also published as: CN116250724B

Abstract

The invention provides beverage preparation equipment, which comprises a main body and a cleaning agent adding structure arranged on the main body; the cleaning agent adding structure comprises a channel connected to the main body and a push rod assembly detachably inserted into the channel, the channel comprises an inlet end for inserting the push rod assembly and an opposite tail end, the tail end is provided with an outlet for introducing cleaning agent into a target cleaning chamber, the push rod assembly comprises an operation member, one end of the operation member is provided with a handle, the other end of the operation member is connected with a containing frame, the containing frame is provided with an opening, the operation member is kept in a preparation adding state of the insertion channel, the handle can operatively drive the containing frame to move from an initial position to a terminal position, and the opening is disconnected from the outlet in the initial position; in the terminal position, the opening communicates with the outlet. Through setting up detachable push rod subassembly, transport the passageway with the detergent earlier in, the push rod subassembly can keep in the passageway, realizes the interpolation of detergent through operating handle, uses reliably and can promote user experience.

Description

Beverage preparation device

Technical Field

The invention relates to the technical field of beverage preparation, in particular to beverage preparation equipment.

Background

Beverage preparation devices are available on the market, both manual and automatic, for brewing beverages by injecting brew with a quantity of hot water into a brew chamber. Taking an automatic coffee machine as an example, coffee particles may be delivered into the brew chamber, from which coffee liquid may be discharged after brewing is completed. This requires periodic cleaning of the brewing chamber to remove grease and particulate matter left during the brewing process. In order to clean the brewing chamber, a cleaning material, which may be liquid, powder or tablet, etc., needs to be introduced into the brewing chamber for cleaning.

The automatic coffee machine has a cleaning brew chamber and a circuit for delivering coffee, if a liquid detergent is used to clean the brew chamber, the amount of detergent needs to be strictly controlled to avoid detergent residues, thus a complex system needs to be provided to control and detect the amount of detergent, and the user is also liable to cause spillage of the detergent when adding the liquid detergent.

Of course, a sheet-like or powder-like detergent may also be used. The brew chamber has an upper opening through which the brew chamber is to receive coffee particles. The coffee machine is provided with a channel for introducing the detergent in tablet or powder form into the brewing chamber through the upper opening, the channel comprising a lower end for dispensing the detergent in tablet or powder form and an upper end, the lower end being adjacent to the outlet of the brewing chamber. The upper end is provided with an inlet which is arranged at the top of the coffee machine. However, after the beverage is brewed, the steam escaping from the upper opening of the brewing chamber may partly enter the channel through the lower end and be guided to the upper part of the coffee machine, escape through the inlet, and, furthermore, the inlet emerges from the upper part of the coffee machine, and foreign matter may fall into or require additional locking, thereby causing inconvenience to the user.

For this reason, further improvements are needed over the prior art.

Disclosure of Invention

The object of the present invention is to provide a beverage preparation device that is reliable in use and has a good user experience.

In order to achieve the above object, the present invention provides a beverage preparation apparatus comprising a main body and a detergent adding structure mounted on the main body;

the detergent adding structure comprises a channel connected to the main body and a push rod assembly detachably inserted into the channel; the passageway includes an inlet end into which the pushrod assembly is inserted and a distal end opposite the inlet end, the distal end having an outlet for introducing a cleaning agent into a target cleaning chamber; the push rod assembly comprises an operation member, one end of the operation member is provided with a handle, the other end of the operation member is connected with a containing frame, and the containing frame is provided with an opening; the operating member is kept in a ready-to-add state inserted into the channel, and the handle is operable to drive the accommodating frame to move from an initial position in which the opening is disconnected from the outlet to a terminal position; in the terminal position, the opening communicates with the outlet.

As a further improvement of an embodiment of the present invention, the cleaning agent adding structure further comprises a display screen movably connected to the main body, and the cleaning agent adding structure is located at the rear part of the display screen.

As a further improvement of an embodiment of the present invention, the push rod assembly further includes a base on which the operation member is supported, the base driving the operation member and the accommodation frame to be inserted into the passage from the inlet end, the operation member being moved relative to the base to drive the accommodation frame.

As a further improvement of an embodiment of the present invention, the handle is moved in a direction in which the passage extends so that the operating member moves the accommodating frame.

As a further improvement of an embodiment of the present invention, the receiving frame is penetrated up and down, and includes an upper opening and a lower opening, the base has a support portion, the receiving frame is supported on the support portion to close the lower opening, and the operating member is moved relative to the base to separate the receiving frame and the support portion.

As a further improvement of an embodiment of the present invention, an elastic element is disposed between the operating member and the base, and the operating member drives the accommodating frame to return from the terminal position to the initial position under the action of the elastic element.

As a further improvement of one embodiment of the present invention, a positioning notch is formed in the channel near the open end, and a positioning projection is formed on the outer side of the base, and the positioning projection is clamped into the positioning notch based on the insertion of the push rod assembly.

As a further improvement of an embodiment of the present invention, the push rod assembly further includes a cover plate, the base includes a first accommodating portion and a second accommodating portion along an extending direction of the channel, the accommodating frame is accommodated in the first accommodating portion, the operating member is accommodated in the second accommodating portion, the cover plate covers over the second accommodating portion, a partition is formed between the first accommodating portion and the second accommodating portion, and the operating member is connected to the accommodating frame through the partition.

As a further improvement of an embodiment of the present invention, the operation member includes a push rod and a pushing member, one end of the push rod is connected to the accommodating frame, the other end of the push rod is inserted into the accommodating hole of the pushing member, and one end of the pushing member, which is far away from the push rod, forms the handle.

As a further improvement of one embodiment of the invention, a first limit rib is arranged near the tail end of the channel, one end of the base is abutted against the first limit rib, a second limit rib is arranged on the inner wall of the base, the pushing piece is abutted against the second limit rib, an elastic element is sleeved on the pushing rod, and the elastic element is abutted between the base and the pushing piece.

As a further improvement of an embodiment of the present invention, the detergent adding structure further includes a sensing element and a sensing element connected to the operating member, the sensing element sensing the sensing element to determine that the opening corresponds to the position of the outlet.

As a further development of an embodiment of the invention, the detection element is configured as a reed switch, which is mounted on a side wall of the channel, and the sensor element is configured as a magnet.

Compared with the prior art, the invention has the beneficial effects that: through setting up detachable push rod subassembly, transport the passageway with the detergent earlier in, the push rod subassembly can keep in the passageway, realizes the interpolation of detergent through operating handle, and this kind of detergent interpolation structure's overall structure is simple, convenient operation. In addition, the channel is filled by the push rod assembly, so that a user can not directly contact the channel, additional locking is not needed, and the use is reliable and the user experience can be improved.

Drawings

FIG. 1 is a schematic perspective view of a beverage preparation apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an assembly of the upper lid and the detergent-adding structure of the beverage preparation device of FIG. 1;

FIG. 3 is a schematic perspective view of a detergent-adding structure of the beverage preparation device of FIG. 1, with the push rod assembly in an initial position;

FIG. 4 is a perspective view of the detergent-adding structure of FIG. 3 with the cover removed;

FIG. 5 is an exploded perspective view of the detergent addition structure of FIG. 3;

FIG. 6 is a schematic perspective view of the detergent-adding structure of FIG. 3, wherein the pusher assembly is in a position to push out the detergent;

fig. 7 is a perspective view of a pusher of the detergent adding structure of fig. 3.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

It will be appreciated that terms such as "upper," "above," "lower," "below," and the like, as used herein, refer to spatially relative positions and are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The beverage preparation device according to the embodiments of the present invention will be described by taking a coffee machine as an example. Coffee machines generally comprise a brewer into which beverage particles and water of a predetermined temperature are introduced for brewing the beverage. The coffee machine may further comprise a milk foamer for producing hot milk or milk foam for producing different flavours of beverages. Whether a brewer or a foam maker, periodic cleaning is required to make the use of the coffee machine safer and more sanitary. The cleaning agent such as tablets, cleaning sheets and the like used for assisting in cleaning can be added into the brewing device or the milk foam device, or the cleaning agent can be introduced into the brewing device or the milk foam device through the cleaning channel, and the brewing device and the milk foam device form a target cleaning chamber of the coffee machine, and can also be provided with other cavities needing cleaning, and the cavities can be considered as the target cleaning chamber.

Referring to fig. 1 to 4, in the present embodiment, the beverage preparation apparatus 100 includes a main body 10 and a detergent adding structure 20 mounted on the main body 10, the detergent adding structure 20 for adding detergent to supply a target cleaning chamber of a coffee maker. The detergent adding structure 20 includes a channel 21 connected to the main body 10 and a push rod assembly 30 detachably inserted into the channel 21, the channel 21 being disposed substantially horizontally and extending in a longitudinal direction, including an inlet end 211 into which the push rod assembly 30 is inserted and a distal end 212 opposite to the inlet end 211, the channel 21 being constructed as a member having an upper opening surrounded by a bottom plate 23 and two side plates 25, lugs 251 having screw holes formed in the two side plates 25 of the channel 21, respectively, are extended, the channel 21 being mounted to the bottom of the upper cover 11 of the main body 10 through the lugs 251 by screws, and the upper opening of the channel being closed by the upper cover 11, so that space is saved and the overall structure is more compact. The end 212 of the channel 21 has an outlet 214 for introducing cleaning agent into the target cleaning chamber, the outlet 214 may extend downwardly relative to the floor 23 to form a funnel shape for more reliably directing cleaning agent.

Further, the push rod assembly 30 includes an operating member 31, a handle 311 is disposed at one end of the operating member 31, and the other end of the operating member 31 is connected to a containing frame 32, where the containing frame 32 is used for containing tablets and cleaning sheets, and may be liquid, pill or powder detergent packaged independently, which is referred to herein as a detergent. Taking a tablet or a cleaning sheet as an example, a user may place the tablet, the cleaning sheet, or the like into the accommodating frame 32, and the accommodating frame 32 has an opening. The operation member 31 is maintained in a preliminary addition state of the insertion passage 21, which refers to a state in which the user can immediately perform detergent addition after the operation member 31 has been inserted into the passage, in which the handle 311 is operable to bring the accommodating frame from the initial position to the terminal position. In the initial position, the opening is disconnected from the outlet 214 of the channel 21, where the disconnection is limited by the detergent being restricted from entering the outlet 214 from the containment frame 32. The handle 311 of the operating member 31 is adjacent to the inlet end 211, and the user can operate the handle 311 to move the accommodating frame 32 to the terminal position. In the end position, the opening communicates with the outlet 214 of the channel 21, where communication is limited by the ability of the cleaning agent to enter the outlet 214 from the containment frame 32. The push rod assembly 30 is inserted into the channel 21 and can be maintained in an initial position in a preliminary addition state, i.e., a position in which the opening of the accommodating frame 32 is disconnected from the outlet 214 of the channel 21, and the cleaning agent can be still located in the accommodating frame 32. The user moves the accommodating frame 32 by operating the handle 311, and the opening of the accommodating frame 32 communicates with the outlet 214 of the passage 21, and the cleaning agent falls into the outlet 214 of the passage 21 through the opening to be introduced into the target cleaning chamber. Through setting up detachable push rod assembly 30, transport the passageway 21 with the detergent in approximately the horizontal direction earlier, push rod assembly 30 can keep in passageway 21, realizes the interpolation of detergent through operating handle 311, and this kind of detergent interpolation structure's overall structure is simple, convenient operation. In addition, the channel 21 is filled by the push rod assembly 30, and the user does not directly contact the channel, no additional locking is needed, the use is reliable and the user experience can be improved.

Referring to fig. 1, the beverage preparation apparatus further includes a display screen 12 movably connected to the main body 10, and the detergent-adding structure 20 is located at the rear of the display screen 12, and the detergent-adding structure 20 is hidden at the rear of the display screen 12 when the beverage preparation apparatus is used normally. The display 12 is opened with respect to the main body 10 to expose at least the handle 311 of the detergent adding structure 20. The display screen 12 can be movably connected to the main machine body 10 through the pivot rod 13, the display screen 12 can be lifted upwards relative to the main machine body under the action of the pivot rod 13, or can be turned upwards relative to the main machine body 10, and the cleaning agent can be added only by opening the display screen 12, so that the reliability of the cleaning agent addition is ensured. In addition, the display screen 12 and the main body 10 can be locked, and the display screen 12 can be opened only after unlocking, so that the safety of adding the cleaning agent is ensured. By placing the detergent-adding structure 20 inside the beverage preparation device, the appearance is not affected, the operation is not complicated, the push rod assembly 30 can be pulled out to add detergent by only opening the display screen 12 and pulling the handle 311, the push rod assembly 30 is inserted into the channel 21, and the detergent can fall into the outlet 214 of the channel 21 by pushing the handle 311 in place. The detergent can be added or stored only by opening the display screen 12, so that the possibility of random detergent addition of a non-professional user is prevented; further, the locking of the display 12 can further ensure the safety of the addition of the cleaning agent.

Referring to fig. 4, the push rod assembly 30 further includes a base 33, the operating member 31 is supported on the base 33, the base 33 drives the operating member 31 and the accommodating frame 32 to be inserted into the channel 21 from the inlet end 211, and the operating member 31 moves relative to the base 33 to drive the accommodating frame 32, i.e., the operating member 31 moves relative to the base 33 by operating the handle 311. In this embodiment, the handle 311 moves along the extending direction of the channel 21 to enable the operating member 31 to drive the accommodating frame 32 to move, that is, the operating member 31 drives the accommodating frame 32 in a moving manner, and the accommodating frame 32 also enables the opening of the accommodating frame 32 to correspond to the position of the outlet 214 of the channel 21 in a moving manner. Of course, in other embodiments, a rotating handle is possible, and the operating member drives the accommodating frame to rotate in a rotating manner; the handle can also be rotated, and the operating member drives the accommodating frame to move in a rotating mode; the handle can be moved, and the operating member drives the accommodating frame to rotate in a moving mode.

In this embodiment, the accommodating frame 32 is vertically penetrated, and includes an upper opening 321 and a lower opening 322, and the upper opening 321 is used for adding a cleaning agent. The base 33 has a support portion 332, the accommodating frame 32 is supported on the support portion 332 to close the lower opening 322, and the operating member 31 is moved relative to the base 33 to separate the accommodating frame 32 and the support portion 332, so that the lower opening 322 is opened by the separation from the support portion 332, thereby ensuring that the cleaning agent can reliably fall into the outlet 214 of the passage 21. Of course, the support part may not be provided, for example, the accommodating frame is provided with only one upper opening, and when the accommodating frame is configured in a rotating manner, the upper opening can be rotated to a downward position, and the cleaning agent can reliably fall into the outlet of the channel. The accommodating frame can be provided with a pivotable bottom plate, and when the accommodating frame moves to the position that the lower opening corresponds to the outlet position of the channel, the bottom plate can pivot downwards under the action of self gravity to open the lower opening of the accommodating frame, so that the cleaning agent can reliably fall into the outlet of the channel. Or the accommodating frame is provided with a movable bottom plate, and when the accommodating frame needs to be moved from an initial position to a position of which the opening corresponds to the outlet of the channel, the bottom plate does not move along with the accommodating frame any more so as to realize the opening of the opening. Or the containing frame is provided with a movable opening cover, and the opening cover can be opened along with the movement or rotation of the movable opening cover so as to realize the position of the opening corresponding to the outlet of the channel.

Further, in order to facilitate the resetting of the operating member 31, an elastic element 35 is disposed between the operating member 31 and the base 33, the accommodating frame 32 moves to a terminal position where the lower opening 322 thereof is communicated with the outlet 214 of the channel 21, the elastic element 35 stores energy, and the operating member 31 drives the accommodating frame 32 to reset from the terminal position to the initial position under the action of the elastic element 35. That is, the user only needs to push the handle 311 and then release the handle 311, and the operation member 31 can drive the accommodating frame 32 to reset under the action of the elastic element 35, so that the operation is very convenient.

With continued reference to fig. 4, the channel 21 is provided with a locating slot 27 adjacent the open end 211 thereof, and the outside of the base 33 is provided with a locating tab 337, the locating tab 337 being snapped into the locating slot 27 upon insertion of the push rod assembly 30. Wherein the positioning projection 337 may be provided on a cantilever rib formed on a side wall of the base 33, and the positioning projection 337 may perform a small range of movement based on elasticity of the cantilever rib itself when the push rod assembly 30 is inserted, thereby facilitating the locking into the positioning slot 27 or the unlocking from the positioning slot 27. By providing a mounting and positioning structure between the base 33 and the channel 21 for better mounting feel when inserting the push rod assembly 30, a reliable retention of the push rod assembly 30 within the channel 21 is also achieved.

Further, the push rod assembly 30 further includes a cover plate 36, the base 33 includes a first accommodating portion 334 and a second accommodating portion 335 along the extending direction of the channel 21, the accommodating frame 32 is accommodated in the first accommodating portion 334, the supporting portion 332 may be formed by a part of the accommodating portion 334, the operating member 31 is accommodated in the second accommodating portion 335, the cover plate 36 is covered above the second accommodating portion 335, a partition 338 is formed between the first accommodating portion 334 and the second accommodating portion 335, and the operating member 31 is connected to the accommodating frame 32 through the partition 338. By closing the operating member 31 in the space between the cover plate 36 and the base 33, the movement of the operating member 31 is more reliable, and the combination of the cover plate 36 and the base 33 can fill more space in the channel 21, so that not only can the push rod assembly 30 be stably supported, but also the channel 21 can be sealed, and the overall structure is more reliable.

As shown in fig. 4 and 6, the operation member 31 includes a push rod 313 and a pusher 315, one end of the push rod 313 is connected to the accommodating frame 32, the other end of the push rod 313 is inserted into the accommodating hole 317 of the pusher 315, and one end of the pusher 315 away from the push rod 313 forms the handle 311. By providing the operating member 31 as a two-stage connection, assembly with the base 33 is facilitated and operation is more reliable. Of course, the push rod and the pusher may also be provided in a unitary construction to simplify the number of components. A first limiting rib 216 is provided adjacent to the end of the channel 21, and one end of the base 33 abuts against the first limiting rib 216, so that the limiting position of the push rod assembly 30 can be limited when the push rod assembly 30 is mounted. The inner wall of the base 33 is provided with a second limiting rib 336, the pushing piece 315 is abutted against the second limiting rib 336, the push rod 313 is sleeved with an elastic element 35, and the elastic element 35 is abutted between a partition 338 of the base 33 and the pushing piece 315. The force applied by the elastic element 35 is facilitated by the limit between the base 33 and the pushing element 315, and the pushing element 315 is prevented from being ejected from the base 33 under the action of the elastic element 35.

Referring to fig. 6, the detergent adding structure 20 further includes a sensing element 50 and a sensing element 318 coupled to the operating member 31, and the sensing element 50 senses the sensing element 318 to determine that the opening of the receiving frame 32 corresponds to the position of the outlet 214 of the passage 21, so that it can be used to detect whether the push rod 313 is pushed in place, i.e., the detergent can drop into the outlet 214 of the passage 21, thereby being further introduced into the target cleaning chamber. The detecting element 50 can be mounted on the outer side of the channel 21, so that the detecting element 50 can be conveniently connected with a coffee machine in a line, the detecting element 50 can be connected to a controller of the coffee machine, when the controller receives a signal detected by the detecting element 50, the controller can control the coffee machine to carry out corresponding prompt, such as sound or light prompt, so that a user can more directly perceive the signal. Specifically, the detecting element 50 is configured as a reed switch, the reed switch is mounted on the side plate 25 of the channel 21, the sensing element 318 is configured as a magnet, a groove 319 is formed in the bottom of the pushing member 315, the groove 319 is formed in one side of the pushing member 315 facing the reed switch, the magnet is fixed in the groove 319, and when the pushing member 315 drives the push rod 313 to move, the magnet moves along with the pushing member 315 so as to be detected by the reed switch. The magnetic reed switch is connected with the side plate 25 of the channel 21, the channel 21 is directly arranged on the upper cover 11 of the coffee machine, the assembly is convenient, and the whole cost is low.

When cleaning is needed, the user can open the display 12, operate the handle 311 to take out the push rod assembly 30, add the cleaning agent into the accommodating frame 32, insert the push rod assembly 30 into the channel 21 until the user perceives that the push rod assembly 30 is installed in place, and then continue pushing the handle 311 until the information that the pushing member 31 is pushed in place is received, if no detection element is provided, the pushing in place can be determined based on the abutting of the accommodating frame 32 and the tail end of the channel 21 and the pushing cannot be continued, the handle 311 is released, and the pushing member 31 can be automatically reset under the action of the elastic element 35.

Of course, the above-described detergent-adding structure is not limited to use in a coffee machine, but may be other beverage brewing machines, such as tea machines or other beverage brewing devices.

In the above embodiment, when the target cleaning chamber needs to be cleaned, the operation of adding the cleaning agent is very convenient, and the push rod assembly 30 can be removed for adding the cleaning agent only by opening the display screen 12, so that the cleaning agent is introduced into the target cleaning chamber through the internal channel 21, and the structure is more reliable. The detergent adding structure 20 is integrally arranged in the beverage preparation device and behind the display screen 12, and detergent adding or storing operation can be performed only by opening the display screen, so that the overall appearance is not required to be influenced during design, and the possibility of random detergent adding of a non-professional user is prevented; moreover, the display 12 can be locked, further ensuring reliability.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A beverage preparation apparatus comprising a main body and a detergent adding structure mounted on the main body;

the method is characterized in that: the detergent adding structure comprises a channel connected to the main body and a push rod assembly detachably inserted into the channel; the passageway includes an inlet end into which the pushrod assembly is inserted and a distal end opposite the inlet end, the distal end having an outlet for introducing a cleaning agent into a target cleaning chamber; the push rod assembly comprises an operation member, one end of the operation member is provided with a handle, the other end of the operation member is connected with a containing frame, and the containing frame is provided with an opening; the operating member is kept in a ready-to-add state inserted into the channel, and the handle is operable to drive the accommodating frame to move from an initial position in which the opening is disconnected from the outlet to a terminal position; in the terminal position, the opening communicates with the outlet.

2. The beverage preparation device of claim 1, further comprising a display screen movably coupled to the main body, the detergent-adding structure being located at a rear portion of the display screen.

3. The beverage preparation device of claim 1, wherein the push rod assembly further comprises a base on which the operating member is supported, the base carrying the operating member and the receiving frame for insertion into the channel from the inlet end, the operating member moving relative to the base to carry the receiving frame.

4. A beverage preparation device according to claim 3, wherein the handle is movable in a direction in which the channel extends to move the operating member to move the receiving frame.

5. A beverage preparation apparatus as claimed in claim 3 wherein the receiving frame is vertically through and comprises an upper opening and a lower opening, the base having a support portion against which the receiving frame is supported to close the lower opening, the operating member being movable relative to the base to separate the receiving frame and the support portion.

6. A beverage preparation device according to claim 3, wherein a resilient element is arranged between the operating member and the base, the operating member under the influence of the resilient element bringing the receiving frame back from the end position to the initial position.

7. A beverage preparation device as claimed in claim 3, wherein the channel is provided with a locating slot adjacent the open end, the outer side of the base being provided with a locating tab which snaps into the locating slot upon insertion of the push rod assembly.

8. A beverage preparation device as claimed in claim 3, wherein the push rod assembly further comprises a cover plate, the base comprises a first accommodation portion and a second accommodation portion along the extension direction of the channel, the accommodation frame is accommodated in the first accommodation portion, the operation member is accommodated in the second accommodation portion, the cover plate is covered above the second accommodation portion, a partition plate is formed between the first accommodation portion and the second accommodation portion, and the operation member is connected to the accommodation frame through the partition plate.

9. A beverage preparation device according to claim 3, wherein the operating member comprises a push rod and a pusher, one end of the push rod being connected to the receiving frame, the other end of the push rod being inserted into the receiving hole of the pusher, the end of the pusher remote from the push rod forming the handle.

10. The beverage preparation device of claim 9, wherein a first stop rib is provided adjacent to the end of the channel, one end of the base abuts against the first stop rib, a second stop rib is provided on the inner wall of the base, the pushing member abuts against the second stop rib, an elastic element is sleeved on the pushing rod, and the elastic element abuts between the base and the pushing member.

11. The beverage preparation device of claim 1, wherein the detergent-adding structure further comprises a sensing element and a sensing element coupled to the operating member, the sensing element detecting the sensing element to determine that the opening corresponds to the location of the outlet.

12. The beverage preparation device of claim 11, wherein the detection element is configured as a reed switch mounted on a side wall of the channel and the sensing element is configured as a magnet.