Powder hopper drive structure and coffee maker

Abstract

The utility model relates to a kind of powder hopper driving structure and coffee machine, belong to coffee machine device field.A kind of powder hopper driving structure, comprising: rack;Transmission assembly, transmission assembly is set on rack;Driving motor, driving motor is set on transmission assembly, driving motor can drive transmission assembly transmission;Powder hopper assembly, powder hopper assembly is set on transmission assembly, and located transmission assembly away from the end of driving motor, transmission assembly is driven to can drive powder hopper assembly rotation;Switch assembly, switch assembly is set on transmission assembly, switch assembly is electrically connected with driving motor, when part of transmission assembly and switch assembly contact, switch assembly controls driving motor stop. Through driving motor can drive transmission assembly transmission, to drive powder hopper assembly rotation, so that powder hopper assembly can rotate to specific position, facilitate user to clean coffee residue in time.Transmission assembly and the contact type design of switch assembly, simplify the control mode of driving motor.

Description

Technical Field

[0001] This utility model relates to the field of coffee machine devices, and in particular to a powder hopper drive structure and a coffee machine. Background Technology

[0002] As an essential tool for making coffee, the level of automation and ease of operation of a coffee machine directly impacts the user experience. Traditional coffee machines have certain limitations in terms of automation, especially in the driving and cleaning of the coffee hopper assembly. In current technology, the automation level of the coffee hopper drive structure is not high. The coffee hopper assembly is usually fixed in a certain position on the coffee machine, requiring users to manually disassemble the entire assembly to clean the coffee grounds. This design is not only cumbersome but also inefficient. Utility Model Content

[0003] Therefore, it is necessary to provide a powder hopper drive structure and coffee machine to address the problems of low automation and difficulty in cleaning the powder hopper components.

[0004] A powder hopper drive structure includes: a frame; a transmission assembly mounted on the frame; a drive motor mounted on the transmission assembly, capable of driving the transmission assembly to generate transmission; a powder hopper assembly mounted on the transmission assembly and located at the end of the transmission assembly away from the drive motor, the transmission assembly being driven to rotate the powder hopper assembly; and a switch assembly mounted on the transmission assembly, electrically connected to the drive motor, wherein when a portion of the transmission assembly contacts the switch assembly, the switch assembly controls the drive motor to stop.

[0005] The first aspect of this application discloses a coffee grounds drive structure. A drive motor drives a transmission component to rotate the coffee grounds assembly, giving it the ability to rotate relative to other components of the coffee machine. This allows the coffee grounds assembly to rotate to a specific position, facilitating timely cleaning and maintaining the cleanliness of the coffee machine. Furthermore, the coordination between the transmission component, drive motor, and coffee grounds assembly improves the overall automation of the coffee machine, making it more user-friendly, while ensuring stable rotation of the coffee grounds assembly and overall reliability. The contact-type design between the switch component and the transmission component allows the coffee grounds drive structure to control the drive motor's stop via simple physical contact, simplifying the motor control method, reducing production costs, and improving operational convenience.

[0006] In one embodiment, the transmission assembly includes a mounting housing, a first gear, and a second gear. The mounting housing is disposed on the frame and has a mounting cavity. The first gear and the second gear are disposed on the mounting housing and located within the mounting cavity. The first gear meshes with the second gear. The first gear is connected to the drive motor, and the second gear is connected to the powder hopper assembly. By mounting the first gear and the second gear within the mounting cavity of the mounting housing, the transmission assembly is mounted on the frame as a whole, simplifying the installation process and reducing installation time and cost. The meshing of the first and second gears, with the first gear connected to the drive motor and the second gear connected to the powder hopper assembly, allows the drive motor to drive both gears when it starts, thereby driving the powder hopper assembly to rotate. Furthermore, the direct connection between the drive motor, the powder hopper assembly, and the gears ensures the stability and reliability of power transmission. The gear meshing design is quieter than other transmission methods, reducing noise and vibration during operation.

[0007] In one embodiment, the transmission assembly further includes a rocker arm disposed on the first gear. The rocker arm rotates with the rotation of the first gear, and the rotation direction of the rocker arm is the same as that of the first gear. When the rocker arm contacts the switch assembly, the switch assembly controls the drive motor to stop. By directly disposing the rocker arm on the first gear, the structure of the transmission assembly is simplified. Since the rotation direction of the rocker arm is the same as that of the first gear, the rotation of the first gear will drive the rocker arm to rotate together. The contact design between the rocker arm and the switch assembly allows the drive motor to stop when it moves the powder hopper assembly to a specific position. This simple mechanical control simplifies the control logic, enabling automated control of the powder hopper drive structure and reducing the complexity of manual operation.

[0008] In one embodiment, the mounting housing includes a housing body and a top cover. The housing body is disposed on the frame, and the top cover covers the housing body, forming the mounting cavity together with the housing body. By providing the housing body and top cover, and mounting the first gear and the second gear within the mounting cavity formed by the housing body and top cover, the structural design of the housing body and top cover can protect the components within the mounting cavity and prevent dust, moisture, and other external factors from damaging the gears.

[0009] In one embodiment, the upper cover has a rocker arm movement slot with an opening, and the switch assembly is positioned opposite the opening. By providing the rocker arm movement slot and opening on the upper cover, and with the switch assembly positioned opposite the opening, the rocker arm can rotate within the rocker arm movement slot as the first gear rotates. When the rocker arm rotates to a certain position, it can pass through the opening and contact the switch assembly, thereby controlling the start and stop of the drive motor. The design of the rocker arm movement slot and opening optimizes the internal space of the powder hopper drive structure. Simultaneously, this structural design avoids interference between internal components, allowing each part to work collaboratively and improving the overall efficiency of the coffee machine.

[0010] In one embodiment, the switching assembly includes a first switch and a second switch, which are disposed on the transmission assembly. The first and second switches are electrically connected to the drive motor, respectively. When a portion of the transmission assembly contacts either the first or second switch, the drive motor stops. By electrically connecting the first and second switches to the drive motor, the operation and shutdown of the drive motor can be precisely controlled when specific portions of the transmission assembly contact the first and second switches, respectively. This design makes the drive motor's control of the powder hopper assembly more precise. Furthermore, the dual-switch design ensures that the powder hopper assembly has at least a first and a second position under drive, further improving the automation and flexibility of the powder hopper drive structure.

[0011] In one embodiment, the coffee hopper assembly includes a support component, a funnel, and a filter. The support component is connected to the transmission component and has a receiving groove. The funnel is detachably mounted on the support component and located within the receiving groove, and the filter is detachably mounted on the funnel and located within the funnel's filter chamber. The connection between the support component and the transmission component allows the coffee hopper assembly to rotate and move. The design of the funnel being located within the support component ensures the stability of the coffee hopper assembly during operation, preventing coffee grounds from scattering due to movement. The detachable funnel within the receiving groove of the support component allows the user to manually remove the funnel and clean the coffee grounds when the coffee hopper assembly rotates to a specific position. The detachable arrangement of the filter, funnel, and support component allows the user to easily disassemble and clean these components, helping to maintain the hygiene of the coffee machine and the quality of the coffee.

[0012] In one embodiment, the supporting assembly includes a connecting portion and a supporting portion. The connecting portion is connected to the transmission assembly, and the supporting portion is disposed on the connecting portion, with the receiving groove provided. The connection between the connecting portion and the transmission assembly ensures efficient power transmission. The supporting portion, connected to the connecting portion and having a receiving groove for holding the funnel and filter, makes the rotation of the powder hopper assembly by the transmission assembly more stable, ensuring the safety of the powder hopper assembly during operation and preventing coffee powder from scattering and becoming difficult to clean due to structural instability.

[0013] In one embodiment, the funnel has a liquid outlet, one end of which extends outside the receiving tank. The liquid outlet in the funnel ensures that the filter, in conjunction with the funnel, allows the coffee liquid to flow out smoothly. The design of the funnel's outlet extending outside the receiving tank ensures smooth flow of coffee liquid while preventing it from contaminating the inner wall of the receiving tank.

[0014] A coffee machine includes: a housing assembly; a powder hopper drive structure as described above, the powder hopper drive structure being disposed on the housing assembly; a grinding assembly, the grinding assembly being disposed on the housing assembly and located on one side of the powder hopper drive structure; a brewing assembly, the brewing assembly being disposed on the housing assembly and located on the side of the powder hopper drive structure away from the grinding assembly, the brewing assembly and the grinding assembly being located on the same horizontal plane; and a water tank assembly, the water tank assembly being disposed on the housing assembly and communicating with the brewing assembly.

[0015] The first aspect of this application discloses a coffee machine that achieves a compact design by integrating the coffee hopper drive structure, grinding assembly, brewing assembly, and water tank assembly into a single housing assembly. Positioning the grinding and brewing assemblies on the same horizontal plane and independently prevents steam generated during brewing from seeping into the grinding assembly, thus avoiding moisture absorption of the coffee grounds and affecting coffee quality. Furthermore, the arrangement of the brewing and grinding assemblies on either side of the coffee hopper drive structure allows the drive motor to rotate and move the coffee hopper assembly directly beneath either the grinding or brewing assembly, enabling automatic coffee grounds dispensing and brewing. The coordination between the coffee hopper drive structure and the grinding and brewing assemblies ensures smoother grinding and brewing processes, improving coffee making efficiency. The independent placement of each component makes maintenance and cleaning easier for users, improving product maintainability and hygiene. The interconnected design of the water tank assembly and brewing assembly ensures a stable water supply during brewing, and integrating the water tank assembly into the housing assembly shortens the water flow path, further enhancing coffee making efficiency. Attached Figure Description

[0016] Figure 1 A three-dimensional view of the powder hopper drive structure; Figure 2 This is a cross-sectional view of the powder hopper drive structure; Figure 3 An exploded view of the powder hopper drive structure; Figure 4 This is a schematic diagram of the structure of the transmission assembly and the switching assembly; Figure 5 This is an exploded view of the transmission assembly; Figure 6 This is a cross-sectional view of the transmission assembly; Figure 7 This is a 3D view of the top cover; Figure 8 A 3D view of the powder hopper assembly; Figure 9 This is a cross-sectional view of the powder hopper assembly; Figure 10 An exploded view of the powder hopper assembly; Figure 11 This is a 3D diagram of a coffee machine.

[0017] The correspondence between the reference numerals and the component names is as follows: 1 rack; 2. Transmission assembly; 21. Mounting housing; 211. Housing body; 212. Top cover; 22. First gear; 23. Second gear; 24. Rocker arm; 201. Mounting cavity; 202. Rocker arm movable groove; 203. Opening. 3 drive motors; 4. Powder hopper assembly, 41. Support assembly, 411. Connecting part, 412. Support part, 42. Funnel, 43. Filter screen, 401. Receiving tank, 402. Liquid outlet. 5. Switch assembly, 51. First switch, 52. Second switch; 100 housing assembly; 200 powder hopper drive structure; 300 coffee grinder unit; 400 brewing kit; 500 water tank assembly. Detailed Implementation

[0018] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0020] The powder hopper drive structure and coffee machine of this application are described below with reference to the accompanying drawings.

[0021] Example 1, such as Figures 1 to 10 As shown, this embodiment discloses a powder hopper drive structure, including: a frame 1; a transmission assembly 2, which is mounted on the frame 1; a drive motor 3, which is mounted on the transmission assembly 2 and can drive the transmission assembly 2 to generate transmission; a powder hopper assembly 4, which is mounted on the transmission assembly 2 and located at the end of the transmission assembly 2 away from the drive motor 3, and the transmission assembly 2 can drive the powder hopper assembly 4 to rotate when driven; and a switch assembly 5, which is mounted on the transmission assembly 2 and electrically connected to the drive motor 3. When a part of the transmission assembly 2 contacts the switch assembly 5, the switch assembly 5 controls the drive motor 3 to stop.

[0022] The first aspect of this application discloses a coffee grounds drive structure. A drive motor 2 drives a transmission component 2 to rotate the coffee grounds assembly 4, giving the coffee grounds assembly 4 the ability to rotate relative to other components of the coffee machine. This allows the coffee grounds assembly 4 to rotate to a specific position, facilitating timely cleaning of coffee grounds and ensuring the cleanliness of the coffee machine. Furthermore, the cooperation between the transmission component 2, the drive motor 3, and the coffee grounds assembly 4 improves the overall automation level of the coffee machine, making it more convenient for users, while ensuring stable rotation of the coffee grounds assembly 4 and guaranteeing the overall reliability of the coffee machine. The contact design between the switch component 5 and the transmission component 2 allows the coffee grounds drive structure to control the stop of the drive motor 2 through simple physical contact, simplifying the control method of the drive motor 2, reducing the production cost of the coffee machine, and improving operational convenience.

[0023] like Figure 4 and Figure 5As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the transmission assembly 2 includes a mounting housing 21, a first gear 22, and a second gear 23. The mounting housing 21 is disposed on the frame 1 and has a mounting cavity 201. The first gear 22 and the second gear 23 are disposed on the mounting housing 21 and located within the mounting cavity 201. The first gear 22 meshes with the second gear 23. The first gear 22 is connected to the drive motor 3, and the second gear 23 is connected to the powder hopper assembly 4. By installing the first gear 22 and the second gear 23 within the mounting cavity 201 of the mounting housing 21, the transmission assembly 2 is mounted on the frame 1 as a whole, simplifying the installation process and reducing installation time and cost. The meshing of the first gear 22 and the second gear 23, with the first gear 22 connected to the drive motor 3 and the second gear 23 connected to the powder hopper assembly 4, allows the drive motor 3 to drive the first gear 22 and the second gear 23 to rotate when it starts, thereby driving the powder hopper assembly 4 to rotate. Furthermore, the direct connection between the drive motor 3 and the powder hopper assembly 4 and the gears ensures the stability and reliability of power transmission. The gear meshing design is quieter than other transmission methods, reducing noise and vibration during operation.

[0024] like Figure 5 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the transmission assembly 2 also includes a rocker arm 24, which is disposed on the first gear 22. The rocker arm 24 rotates with the rotation of the first gear 22, and the rotation direction of the rocker arm 24 is the same as that of the first gear 22. When the rocker arm 24 contacts the switch assembly 5, the switch assembly 5 controls the drive motor 3 to stop. By directly disposing the rocker arm 24 on the first gear 22, the structure of the transmission assembly 2 is simplified. Furthermore, since the rotation direction of the rocker arm 24 is the same as that of the first gear 22, when the first gear 22 rotates, it will drive the rocker arm 24 to rotate together. The contact design between the rocker arm 24 and the switch assembly 5 allows the drive motor 3 to stop when it drives the powder hopper assembly 4 to a specific position. This simple mechanical control simplifies the control logic, enabling automated control of the powder hopper drive structure and reducing the complexity of manual operation.

[0025] like Figure 5As shown, in addition to the features of the above embodiments, this embodiment further defines: the mounting housing 21 includes a housing body 211 and a top cover 212. The housing body 211 is disposed on the frame 1, and the top cover 212 covers the housing body 211, forming a mounting cavity 201 with the housing body 212. By setting the housing body 211 and the top cover 212, and installing the first gear 22 and the second gear 23 within the mounting cavity 201 formed by the housing body 211 and the top cover 212, the structural design of the housing body 211 and the top cover 212 can protect the components within the mounting cavity 201 and prevent dust, moisture, and other external factors from damaging the gears.

[0026] like Figure 4 and Figure 7 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the upper cover 212 is provided with a rocker arm movement groove 202, the rocker arm movement groove 202 is provided with an opening 203, and the switch assembly 5 is disposed opposite to the opening 203. By providing the rocker arm movement groove 202 and the opening 203 on the upper cover 212, and with the switch assembly 5 disposed opposite to the opening 203, the rocker arm 24 can rotate within the rocker arm movement groove 202 as the first gear 22 rotates. When the rocker arm 24 rotates to a certain position, it can pass through the opening 203 and contact the switch assembly 5, thereby controlling the start and stop of the drive motor 3. The design of the rocker arm movement groove 202 and the opening 203 optimizes the internal space of the powder hopper drive structure. At the same time, this structural design avoids interference between internal components, enabling each part to work collaboratively and improving the overall working efficiency of the coffee machine.

[0027] like Figure 4 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the switch assembly 5 includes a first switch 51 and a second switch 52, which are disposed on the transmission assembly 2. The first switch 51 and the second switch 52 are electrically connected to the drive motor 3, respectively. When a part of the transmission assembly 2 contacts the first switch 51 or the second switch 52, the drive motor 3 is turned off. By electrically connecting the first switch 51 and the second switch 52 to the drive motor 3, the operation and shutdown of the drive motor 3 can be precisely controlled when a specific part of the transmission assembly 2 contacts the first switch 51 and the second switch 52, respectively. This design makes the drive motor 3 more precise in driving the powder hopper assembly 4. In addition, the dual-switch design allows the powder hopper assembly 4 to have at least a first position and a second position under drive, further improving the automation and flexibility of the powder hopper drive structure.

[0028] like Figure 8 , Figure 9 and Figure 10As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the coffee hopper assembly 4 includes a support assembly 41, a funnel 42, and a filter 43. The support assembly 41 is connected to the transmission assembly 2. The support assembly 41 is provided with a receiving groove 401. The funnel 42 is detachably mounted on the support assembly 41 and located within the receiving groove 401. The filter 43 is detachably mounted on the funnel 42 and located within the filter chamber of the funnel 42. The connection between the support assembly 41 and the transmission assembly 2 enables the coffee hopper assembly 4 to rotate and move. The structural design of the funnel 42 being located within the support assembly 41 ensures the stability of the coffee hopper assembly 4 during coffee machine operation, preventing coffee powder from scattering due to movement. The funnel 42 is detachably mounted within the receiving groove 401 of the support assembly 41. When the coffee hopper assembly 4 rotates to a specific position, the user can manually remove the funnel 42 and clean the coffee grounds. The removable arrangement between the filter 43, funnel 42 and support assembly 41 allows users to easily disassemble and clean these components, helping to maintain the hygiene of the coffee machine and the quality of the coffee.

[0029] like Figure 10 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the supporting component 41 includes a connecting part 411 and a supporting part 412. The connecting part 411 is connected to the transmission component 2, and the supporting part 412 is disposed on the connecting part 411. The supporting part 412 is provided with a receiving groove 401. By connecting the connecting part 411 to the transmission component 2, the effective transmission of power can be ensured. The supporting part 412 is connected to the connecting part 411 and is provided with a receiving groove 401 for placing the funnel 42 and the filter screen 43, thereby making the transmission component 2 more stable during the rotation of the powder hopper assembly 4, ensuring the safety of the powder hopper assembly 4 during the driving process, and avoiding coffee powder scattering due to structural instability, which is difficult to clean.

[0030] like Figure 8 and Figure 9 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the funnel 42 is provided with a liquid outlet 402, and one end of the funnel 42 with the liquid outlet 402 extends outside the receiving tank 401. The liquid outlet 402 in the funnel 42 ensures that the filter 43, in conjunction with the funnel 42, can ensure smooth flow of coffee liquid. The design of one end of the funnel 42 with the liquid outlet 402 extending outside the receiving tank 401 ensures smooth flow of coffee liquid while preventing coffee liquid from contaminating the inner wall of the receiving tank 501.

[0031] Example 2, as Figures 1 to 11As shown, this embodiment discloses a coffee machine, including: a housing assembly 100; a powder hopper drive structure 200 as described above, the powder hopper drive structure 200 being disposed on the housing assembly 100; a grinding assembly 300, the grinding assembly 300 being disposed on the housing assembly 100 and located on one side of the powder hopper drive structure 200; a brewing assembly 400, the brewing assembly 400 being disposed on the housing assembly 100 and located on the side of the powder hopper drive structure 200 away from the grinding assembly 300, the brewing assembly 400 and the grinding assembly 300 being located on the same horizontal plane; and a water tank assembly 500, the water tank assembly 500 being disposed on the housing assembly 100, the water tank assembly 500 being connected to the brewing assembly 400.

[0032] The first aspect of this application discloses a coffee machine that achieves a compact design by integrating a coffee hopper drive structure 200, a grinding assembly 300, a brewing assembly 400, and a water tank assembly 500 onto a single housing assembly 100. Positioning the grinding assembly 300 and the brewing assembly 400 on the same horizontal plane and independently preventing steam generated during brewing from seeping into the grinding assembly 300, thus avoiding moisture absorption of the coffee grounds and affecting coffee quality. Furthermore, the arrangement of the brewing assembly and the grinding assembly 300 on opposite sides of the coffee hopper drive structure allows the drive motor 3 to rotate and move the coffee hopper assembly 400 directly below it, thereby enabling automatic coffee grounds dispensing and brewing. The cooperation between the coffee hopper drive structure and the grinding and brewing assemblies 300 ensures smoother grinding and brewing processes, improving coffee making efficiency. The independent arrangement of each component makes it easier for users to maintain and clean the coffee machine, improving product maintainability and hygiene. The interconnected design of the water tank assembly 500 and the brewing assembly 400 ensures a stable water supply during the brewing process. Furthermore, integrating the water tank assembly 500 onto the housing assembly 100 shortens the water flow path, further improving the efficiency of coffee making.

[0033] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0034] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A powder hopper driving structure, characterized in that, include: Rack (1); A transmission assembly (2) is mounted on the frame (1); A drive motor (3) is mounted on the transmission assembly (2) and the drive motor (3) is capable of driving the transmission assembly (2) to generate transmission. The powder hopper assembly (4) is disposed on the transmission assembly (2) and located at the end of the transmission assembly (2) away from the drive motor (3). The transmission assembly (2) is driven to drive the powder hopper assembly (4) to rotate. A switch assembly (5) is disposed on the transmission assembly (2). The switch assembly (5) is electrically connected to the drive motor (3). When a part of the transmission assembly (2) contacts the switch assembly (5), the switch assembly (5) controls the drive motor (3) to shut down.

2. The powder hopper drive structure according to claim 1, characterized in that, The transmission assembly (2) includes a mounting housing (21), a first gear (22) and a second gear (23). The mounting housing (21) is disposed on the frame (1) and has a mounting cavity (201). The first gear (22) and the second gear (23) are disposed on the mounting housing (21) and located in the mounting cavity (201). The first gear (22) meshes with the second gear (23). The first gear (22) is connected to the drive motor (3), and the second gear (23) is connected to the powder hopper assembly (4).

3. The powder hopper driving structure according to claim 2, characterized in that, The transmission assembly (2) further includes a rocker arm (24), which is mounted on the first gear (22). The rocker arm (24) rotates with the rotation of the first gear (22). The rotation direction of the rocker arm (24) is the same as that of the first gear (22). When the rocker arm (24) contacts the switch assembly (5), the switch assembly (5) controls the drive motor (3) to shut down.

4. The powder hopper driving structure according to claim 2, characterized in that, The mounting housing (21) includes a housing body (211) and a top cover (212). The housing body (211) is disposed on the frame (1), and the top cover (212) covers the housing body (211). The top cover (212) and the housing body (211) enclose the mounting cavity (201).

5. The powder hopper driving structure according to claim 4, characterized in that, The upper cover (212) is provided with a swing rod movable groove (202), the swing rod movable groove (202) is provided with an opening (203), and the switch assembly (5) is arranged opposite to the opening (203).

6. The powder hopper drive structure according to claim 1, characterized in that, The switch assembly (5) includes a first switch (51) and a second switch (52). The first switch (51) and the second switch (52) are disposed on the transmission assembly (2). The first switch (51) and the second switch (52) are electrically connected to the drive motor (3) respectively. When a part of the transmission assembly (2) contacts the first switch (51) or the second switch (52), the drive motor (3) is turned off.

7. The powder hopper driving structure according to claim 1, characterized in that, The powder hopper assembly (4) includes a support assembly (41), a funnel (42), and a filter screen (43). The support assembly (41) is connected to the transmission assembly (2). The support assembly (41) is provided with a receiving groove (401). The funnel (42) is detachably mounted on the support assembly (41) and located in the receiving groove (401). The filter screen (43) is detachably mounted on the funnel (42) and located in the filtering chamber of the funnel (42).

8. The powder hopper drive structure according to claim 7, characterized in that, The support component (41) includes a connecting part (411) and a support part (412). The connecting part (411) is connected to the transmission component (2). The support part (412) is disposed on the connecting part (411) and the support part (412) is provided with the receiving groove (401).

9. The powder hopper drive structure according to claim 7, characterized in that, The funnel (42) is provided with a liquid outlet (402), and one end of the funnel (42) with the liquid outlet (402) extends to the outside of the receiving tank (401).

10. A coffee machine, characterized in that, include: Housing assembly (100); The powder hopper drive structure as described in any one of claims 1 to 9, wherein the powder hopper drive structure (200) is disposed on the housing assembly (100); A coffee grinding assembly (300) is disposed on the housing assembly (100) and located on one side of the powder hopper drive structure (200); A brewing assembly (400) is disposed on the housing assembly (100) and located on the side of the powder hopper drive structure (200) away from the grinding assembly (300). The brewing assembly (400) and the grinding assembly (300) are located on the same horizontal plane. A water tank assembly (500) is disposed on the housing assembly (100) and is connected to the brewing assembly (400).

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