Movement mechanism of brewing device of coffee machine

Abstract

The utility model provides a movement mechanism of a brewing device of a coffee machine. The movement mechanism comprises a supporting frame, a brewing device assembly, a power assembly and a transmission piece. A long hole extending in the axial direction of the brewing head is formed in the side wall of the supporting frame. The brewing device assembly is arranged on one side of the supporting frame, a connecting column is arranged at the lower end of the brewing device assembly and faces one side of the long hole, and the connecting column is rotatably arranged in the long hole in a penetrating mode and can move in the length direction of the long hole; the power assembly is arranged on the other side of the supporting frame and rotationally connected with the supporting frame. The transmission part is rotatably arranged in the long hole in a penetrating mode and can move in the length direction of the long hole. One end of the transmission part is rotationally connected with the brewing device assembly, and the other end of the transmission part is in transmission connection with the driving end of the power assembly. The middle of the long hole communicates with an arc-shaped hole which extends towards the front side of the supporting frame and is used for allowing the transmission part to slide in. According to the coffee machine, the structural complexity of the coffee machine can be simplified, and the production cost of the coffee machine can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a motion mechanism of a coffee machine brewer. Background Art

[0002] The coffee machine brewer is the core component of the coffee machine for brewing coffee powder. During the use of the coffee machine, the brewer needs to move back and forth between the bottom of the coffee powder inlet and the brewing head of the coffee machine. In the current coffee machine structure on the market, the movement of the brewer needs to rely on a rotating drive assembly and a complex swing arm structure, which means that the coffee machine has the disadvantages of complex structure and high production cost. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide a motion mechanism of a coffee machine brewer, which can simplify the structural complexity of the coffee machine and reduce the production cost of the coffee machine.

[0004] The utility model provides a motion mechanism of a brewer of a coffee machine, comprising a support frame and a brewer assembly, wherein a brewing head is fixed to the top of the rear side of the support frame; the motion mechanism also comprises a power assembly and a transmission member; an elongated hole extending in the axial direction of the brewing head is provided on the side wall of the support frame; the brewer assembly is arranged on one side of the support frame, and a connecting column is provided at the lower end of the brewer assembly and on the side facing the elongated hole, the connecting column is rotatably inserted into the elongated hole and can move along the length direction of the elongated hole; the power assembly is arranged on the other side of the support frame and is connected to the support frame Rotational connection; the transmission member is rotatably arranged in the elongated hole and can move along the length direction of the elongated hole; one end of the transmission member is rotationally connected to the brewer assembly, and the other end of the transmission member is transmission-connected to the driving end of the power assembly; the middle part of the elongated hole is connected with an arc-shaped hole extending toward the front side of the support frame and for the transmission member to slide into; the power assembly is used to drive the brewer assembly to approach the brewing head along the axial direction of the brewing head and be socketed with the brewing head, and to drive the brewer assembly to move to below the coffee powder feeding port on the support frame and vertically align with the coffee powder feeding port.

[0005] By adopting the above structure, the present invention can switch the brewing device assembly between the brewing head and the bottom of the coffee powder feeding port under the driving action of the power assembly and the rotation and sliding cooperation of the connecting column and the transmission member with the elongated hole and the arc-shaped hole. That is, in the above structure, there is no need to use a complex swing arm structure, thereby simplifying the structural complexity of the coffee machine and reducing the production cost of the coffee machine.

[0006] In a possible embodiment, the power assembly includes a housing, a driving motor, a gear assembly and a screw rod; the housing is arranged on the other side of the support frame and is rotatably connected to the support frame, the driving motor is fixed on the housing, one end of the screw rod is rotatably connected to the housing, the gear assembly is arranged inside the housing, one end of the screw rod is transmission-connected to the driving motor via the gear assembly, and the other end of the transmission member is threadedly connected to the screw rod; by adopting this power assembly, when the driving motor drives the gear assembly to rotate forward and reverse, the gear assembly can drive the screw rod to rotate forward and reverse; when the screw rod rotates to one side, under the action of the threaded connection between the screw rod and the transmission member, the power assembly can drive the brewer assembly to approach the brewing head along the axial direction of the brewing head and be engaged with the brewing head, that is, the power assembly can drive the transmission member to slide from the arc hole to the elongated hole, and make the transmission member and the brewer assembly move along the length direction of the elongated hole toward the side close to the brewing head, and finally make the brewer assembly be engaged with the brewing head, at this time, the brewer assembly and the brewing head can begin to align with the brewer assembly When the screw rod rotates toward the other side, under the action of the threaded connection between the screw rod and the transmission member, the power assembly can drive the brewer assembly to move along the length direction of the elongated hole toward the side away from the brewing head. In the process of the brewer assembly moving along the length direction of the elongated hole toward the side away from the brewing head, when the connecting column abuts against the bottom of the elongated hole, the transmission member can just move to the rear end of the arc hole, and in the process of the power assembly continuously driving the brewer assembly through the transmission member, the transmission member can slide into the arc hole from back to front, and finally enable the brewer assembly to move to the bottom of the coffee powder feeding port on the support frame and be vertically aligned with the coffee powder feeding port. At this time, the coffee bean grinding mechanism can feed the ground coffee powder from top to bottom into the brewer assembly through the coffee powder feeding port. In addition, the first-stage gear in the gear assembly can be connected to the output gear on the drive motor by a transmission belt, and one end of the screw rod can be circumferentially limited and transmission connected to the last-stage gear in the gear assembly by a limit key.

[0007] In one possible embodiment, a nut sleeve is fixed on the other end of the transmission member, and the screw rod is passed through the nut sleeve and is threadedly connected to the nut sleeve; by adopting this structure, under the action of the nut sleeve, the nut sleeve can be reliably connected to the screw rod thread, that is, the other end of the transmission member can be reliably connected to the screw rod thread, and in addition, the nut sleeve can be pressed on the other end of the transmission member by a pressure plate to tighten the nut sleeve and the transmission member.

[0008] In a possible embodiment, a travel switch is connected to the outer wall of the other side of the support frame, and the travel switch is electrically connected to the controller in the coffee machine; when the power assembly drives the brewer assembly to move and causes the transmission member to slide to the front end of the arc-shaped hole, the transmission member is used to trigger the trigger end of the travel switch so that the travel switch sends a trigger signal to the controller in the coffee machine; after adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to slide to the front end of the arc-shaped hole, the transmission member can trigger the trigger end of the travel switch so that the travel switch sends a trigger signal to the controller in the coffee machine, that is, the power assembly can stop driving the brewer assembly to continue moving, that is, achieving a limiting effect on the brewer assembly. In addition, after the travel switch is triggered and the brewer assembly stops moving, the brewer assembly can be located below the coffee powder feeding port and vertically aligned with the coffee powder feeding port. At this time, the coffee bean grinding mechanism can feed the ground coffee powder from top to bottom into the brewer assembly through the coffee powder feeding port.

[0009] In one possible embodiment, magnets are evenly distributed circumferentially embedded on one of the gears in the gear assembly, a Hall sensor is fixed inside the housing, the Hall sensor is electrically connected to the controller in the coffee machine, and the magnet is used to trigger the Hall sensor; by adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to slide to the front end of the arc-shaped hole, and after the transmission member triggers the trigger end of the travel switch so that the travel switch sends a trigger signal to the controller in the coffee machine, the drive motor can drive the lead screw to rotate back a certain number of times through the gear assembly, so that the power assembly drives the brewer assembly to move a certain distance from front to rear along the arc-shaped hole, so as to further ensure that the brewer assembly can be located below the coffee powder inlet and vertically aligned with the coffee powder inlet. In addition, the number of times the lead screw is driven back by the drive motor through the gear assembly can be precisely controlled according to the number of times the magnet triggers the Hall sensor; in addition, using magnets to trigger the Hall sensor to control the number of rotations of the rotating component is an existing technology currently on the market, so it will not be described here.

[0010] In a possible embodiment, the movement mechanism also includes a support seat; the travel switch is embedded in the support seat, one end of the support seat is rotatably connected to the outer wall of the other side of the support frame, and a buffer structure is provided between the other end of the support seat and the outer wall of the other side of the support frame; after adopting this structure, since one end of the support seat is rotatably connected to the outer wall of the other side of the support frame, and a buffer structure is provided between the other end of the support seat and the outer wall of the other side of the support frame, when the power assembly drives the brewer assembly to move and causes the transmission member to trigger the trigger end of the travel switch, under the action of the buffer structure, the support seat and the travel switch have a certain floating ability, thereby avoiding the travel switch from being damaged by the transmission member, that is, the service life of the travel switch can be extended; in addition, one end of the support seat can be rotatably connected to the support frame by a screw, the screw is movably passed through one end of the support seat, and the screw is threadedly fastened to the support frame.

[0011] In a possible embodiment, the buffer structure includes a spring, a sliding cavity is provided on the outer wall on the other side of the support frame, the other end of the support seat extends into the sliding cavity and is slidably connected to the sliding cavity, the spring is provided in the sliding cavity, and the two ends of the spring respectively abut against the inner wall of the sliding cavity and the side of the support seat away from the transmission member; by adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to trigger the trigger end of the travel switch, under the action of the spring, the support seat and the travel switch have a certain floating ability, thereby preventing the travel switch from being damaged by the transmission member, that is, the service life of the travel switch can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a first three-dimensional structural diagram of the utility model;

[0013] Figure 2 This is a second three-dimensional structural diagram of the utility model;

[0014] Figure 3 This is a third three-dimensional structural diagram of the utility model;

[0015] Figure 4 for Figure 3 The schematic diagram of the structure after enlarging A in the middle;

[0016] Figure 5 It is a schematic diagram of the partial cross-section structure after the transmission parts and powertrain are assembled. DETAILED DESCRIPTION

[0017] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of the present application and are not intended to limit the scope of protection of the embodiments of the present application. Those skilled in the art may adjust them as needed to suit specific application scenarios.

[0018] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0019] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0020] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] See also Figure 1-5 As shown, the embodiment of the present application discloses a motion mechanism of a coffee machine brewer, comprising a support frame 1 and a brewer assembly 2, a brewing head 3 being fixed to the top of the rear side of the support frame 1; the motion mechanism further comprises a power assembly 4 and a transmission member 5; an elongated hole 11 extending in the axial direction of the brewing head 3 is provided on the side wall of the support frame 1; the brewer assembly 2 is arranged on one side of the support frame 1, and a connecting column 21 is provided at the lower end of the brewer assembly 2 and on the side facing the elongated hole 11, the connecting column 21 is rotatably inserted into the elongated hole 11 and can move along the length direction of the elongated hole 11; the power assembly is arranged on the other side of the support frame 1 and is rotatably connected to the support frame 1; the transmission member 5 is rotatably inserted into the elongated hole 11 and can move along the length direction of the elongated hole 11; One end of the transmission member 5 is rotationally connected to the brewer assembly 2, and the other end of the transmission member 5 is transmission-connected to the driving end of the power assembly 4; the middle part of the elongated hole 11 is connected to an arc-shaped hole 12 extending toward the front side of the support frame 1 and for the transmission member 5 to slide into; the power assembly 4 is used to drive the brewer assembly 2 to approach the brewing head 3 along the axial direction of the brewing head 3 and be socketed with the brewing head 3, and to drive the brewer assembly 2 to move to the bottom of the coffee powder delivery port 13 located on the support frame 1 and vertically align with the coffee powder delivery port 13; in addition, in order to prevent the connecting column from escaping from the elongated hole, a baffle with an outer diameter larger than the connecting column can be fixed or set at the end of the connecting column away from the brewer assembly, and the baffle abuts against the outer wall of the other side of the support frame, thereby preventing the connecting column from escaping from the elongated hole.

[0022] The power assembly 4 includes a housing 41, a drive motor 42, a gear assembly 43 and a screw 44; the housing 41 is arranged on the other side of the support frame 1 and is rotatably connected to the support frame 1, the drive motor 42 is fixed to the housing 41, one end of the screw 44 is rotatably connected to the housing 41, the gear assembly 43 is arranged inside the housing 41, one end of the screw 44 is transmission-connected to the drive motor 42 through the gear assembly 43, and the other end of the transmission member 5 is threadedly connected to the screw 44; after adopting this power assembly, when the drive motor When the gear assembly is driven to rotate forward and reverse, the gear assembly can drive the screw rod to rotate forward and reverse; when the screw rod rotates to one side, under the action of the threaded connection between the screw rod and the transmission member, the power assembly can drive the brewing device assembly along the axial direction of the brewing head to approach the brewing head and engage with the brewing head, that is, the power assembly can drive the transmission member to slide from the arc hole to the elongated hole, and make the transmission member and the brewing device assembly move along the length direction of the elongated hole toward the side close to the brewing head, and finally make the brewing device assembly and the brewing head engage with each other. At this time, the brewing device assembly and the brewing head are The brewing of the coffee powder in the brewer assembly can be started; when the screw rod rotates toward the other side, under the action of the threaded connection between the screw rod and the transmission member, the power assembly can drive the brewer assembly to move along the length direction of the elongated hole toward the side away from the brewing head. In the process of the brewer assembly moving along the length direction of the elongated hole toward the side away from the brewing head, when the connecting column abuts against the bottom of the elongated hole, the transmission member can just move to the rear end of the arc hole, and in the process of the power assembly continuously driving the brewer assembly through the transmission member, the transmission member can slide into the arc hole from back to front, and finally enable the brewer assembly to move to the bottom of the coffee powder feeding port on the support frame and be vertically aligned with the coffee powder feeding port. At this time, the coffee bean grinding mechanism can feed the ground coffee powder from top to bottom into the brewer assembly through the coffee powder feeding port; in addition, the first-stage gear in the gear assembly can be connected to the output gear on the drive motor by a transmission belt, and one end of the screw rod can be circumferentially limited and transmission connected to the last-stage gear in the gear assembly by a limit key.

[0023] A nut sleeve 51 is fixed to the other end of the transmission member 5, and the screw rod 44 is passed through the nut sleeve 51 and is threadedly connected to the nut sleeve 51; by adopting this structure, under the action of the nut sleeve, the nut sleeve can be reliably connected to the screw rod thread, that is, the other end of the transmission member can be reliably connected to the screw rod thread. In addition, the nut sleeve can be pressed on the other end of the transmission member through the pressure plate to tighten the nut sleeve and the transmission member.

[0024] A limit switch 6 is connected to the outer wall of the other side of the support frame 1, and the limit switch 6 is electrically connected to the controller in the coffee machine; when the power assembly 4 drives the brewer assembly 2 to move and causes the transmission member 5 to slide to the front end of the arc-shaped hole 12, the transmission member 5 is used to trigger the trigger end of the limit switch 6 so that the limit switch 6 sends a trigger signal to the controller in the coffee machine; after adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to slide to the front end of the arc-shaped hole, the transmission member can trigger the trigger end of the limit switch so that the limit switch sends a trigger signal to the controller in the coffee machine, that is, the power assembly can stop driving the brewer assembly to continue moving, that is, the limiting effect on the brewer assembly is achieved. In addition, after the limit switch is triggered and the brewer assembly stops moving, the brewer assembly can be located below the coffee powder feeding port and vertically aligned with the coffee powder feeding port. At this time, the coffee bean grinding mechanism can feed the ground coffee powder from top to bottom through the coffee powder feeding port into the brewer assembly.

[0025] One of the gears in the gear assembly 43 is embedded with magnets 45 evenly distributed circumferentially, and a Hall sensor 46 is fixed inside the housing 41. The Hall sensor 46 is electrically connected to the controller in the coffee machine, and the magnet 45 is used to trigger the Hall sensor 46. By adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to slide to the front end of the arc-shaped hole, and after the transmission member triggers the trigger end of the travel switch so that the travel switch sends a trigger signal to the controller in the coffee machine, the drive motor can drive the lead screw to rotate back a certain number of times through the gear assembly, so that the power assembly drives the brewer assembly to move a certain distance from front to back along the arc-shaped hole, so as to further ensure that the brewer assembly can be located below the coffee powder feeding port and vertically aligned with the coffee powder feeding port. In addition, the number of times the lead screw is driven back by the drive motor through the gear assembly can be precisely controlled according to the number of times the magnet triggers the Hall sensor. In addition, using a magnet to trigger the Hall sensor to control the number of rotations of the rotating component is an existing technology currently on the market, so it will not be described here.

[0026] The movement mechanism also includes a support seat 7; the travel switch 6 is embedded in the support seat 7, one end of the support seat 7 is rotatably connected to the outer wall of the other side of the support frame 1, and a buffer structure is provided between the other end of the support seat 7 and the outer wall of the other side of the support frame 1; after adopting this structure, since one end of the support seat is rotatably connected to the outer wall of the other side of the support frame, and a buffer structure is provided between the other end of the support seat and the outer wall of the other side of the support frame, when the power assembly drives the brewer assembly to move and causes the transmission member to trigger the trigger end of the travel switch, under the action of the buffer structure, the support seat and the travel switch have a certain floating ability, thereby avoiding the travel switch from being damaged by the transmission member, that is, the service life of the travel switch can be extended; in addition, one end of the support seat can be rotatably connected to the support frame by a screw, the screw is movably inserted into one end of the support seat, and the screw is threadedly fastened to the support frame.

[0027] The buffer structure includes a spring 8, and a sliding cavity 14 is provided on the outer wall of the other side of the support frame 1. The other end of the support seat 7 extends into the sliding cavity 14 and is slidably connected to the sliding cavity 14. The spring 8 is provided in the sliding cavity 14, and the two ends of the spring 8 are respectively against the inner wall of the sliding cavity 14 and the side of the support seat 7 away from the transmission member 5; by adopting this structure, when the power assembly drives the brewer assembly to move and causes the transmission member to trigger the trigger end of the travel switch, under the action of the spring, the support seat and the travel switch have a certain floating ability, thereby preventing the travel switch from being damaged by the transmission member, that is, the service life of the travel switch can be extended.

[0028] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A motion mechanism of a coffee machine brewer, comprising a support frame (1) and a brewer assembly (2), wherein a brewing head (3) is fixed to the top of the rear side of the support frame (1); characterized in that: The motion mechanism further comprises a power assembly (4) and a transmission member (5); a side wall of the support frame (1) is provided with an elongated hole (11) extending in the axial direction of the brewing head (3); the brewer assembly (2) is provided on one side of the support frame (1), and a connecting column (21) is provided at the lower end of the brewer assembly (2) and on the side facing the elongated hole (11), wherein the connecting column (21) is rotatably inserted into the elongated hole (11) and can move along the length direction of the elongated hole (11); the power assembly is provided on the other side of the support frame (1) and is rotatably connected to the support frame (1); the transmission member (5) is rotatably inserted into the elongated hole (11) and can move along the length direction of the elongated hole (11). The driving member (5) is connected to the brewing device assembly (2) in a longitudinal direction of the elongated hole (11); one end of the driving member (5) is connected to the brewing device assembly (2) in a rotational manner, and the other end of the driving member (5) is connected to the driving end of the power assembly (4); the middle part of the elongated hole (11) is connected to an arc-shaped hole (12) extending toward the front side of the support frame (1) and used for the driving member (5) to slide into; the power assembly (4) is used to drive the brewing device assembly (2) to approach the brewing head (3) along the axial direction of the brewing head (3) and to be sleeved with the brewing head (3) and to drive the brewing device assembly (2) to move to the bottom of the coffee powder delivery port (13) on the support frame (1) and to be vertically aligned with the coffee powder delivery port (13).

2. The motion mechanism of the coffee machine brewer according to claim 1, characterized in that: The power assembly (4) includes a housing (41), a drive motor (42), a gear assembly (43) and a screw rod (44); the housing (41) is arranged on the other side of the support frame (1) and is rotatably connected to the support frame (1); the drive motor (42) is fixed to the housing (41); one end of the screw rod (44) is rotatably connected to the housing (41); the gear assembly (43) is arranged inside the housing (41); one end of the screw rod (44) is transmission-connected to the drive motor (42) via the gear assembly (43); and the other end of the transmission member (5) is threadedly connected to the screw rod (44).

3. The motion mechanism of the coffee machine brewer according to claim 2, characterized in that: A nut sleeve (51) is fixed to the other end of the transmission member (5), and the screw rod (44) is inserted into the nut sleeve (51) and is threadedly connected to the nut sleeve (51).

4. The motion mechanism of the coffee machine brewer according to claim 2 or 3, characterized in that: A travel switch (6) is connected to the outer wall of the other side of the support frame (1), and the travel switch (6) is electrically connected to the controller in the coffee machine; when the power assembly (4) drives the brewing device assembly (2) to move and causes the transmission member (5) to slide to the front end of the arc-shaped hole (12), the transmission member (5) is used to trigger the trigger end of the travel switch (6) so that the travel switch (6) sends a trigger signal to the controller in the coffee machine.

5. The motion mechanism of the coffee machine brewer according to claim 4, characterized in that: One of the gears in the gear assembly (43) is embedded with magnets (45) distributed evenly in the circumferential direction. A Hall sensor (46) is fixed inside the housing (41). The Hall sensor (46) is electrically connected to a controller in the coffee machine. The magnet (45) is used to trigger the Hall sensor (46).

6. The motion mechanism of the coffee machine brewer according to claim 4, characterized in that: The motion mechanism further includes a support seat (7); the travel switch (6) is embedded in the support seat (7); one end of the support seat (7) is rotatably connected to the outer wall of the other side of the support frame (1); and a buffer structure is provided between the other end of the support seat (7) and the outer wall of the other side of the support frame (1).

7. The motion mechanism of the coffee machine brewer according to claim 6, characterized in that: The buffer structure includes a spring (8), a sliding cavity (14) is provided on the outer wall of the other side of the support frame (1), the other end of the support seat (7) extends into the sliding cavity (14) and is slidably connected to the sliding cavity (14), the spring (8) is provided in the sliding cavity (14), and the two ends of the spring (8) respectively abut against the inner wall of the sliding cavity (14) and the side of the support seat (7) away from the transmission member (5).

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