CN216984538U

CN216984538U - Coffee cup rotating device and full-automatic coffee brewing machine

Info

Publication number: CN216984538U
Application number: CN202220620117.XU
Authority: CN
Inventors: 卓方怡; 邓健伟
Original assignee: Zhuhai Dianjin Creative Product Design Co ltd
Current assignee: Zhuhai Dianjin Creative Product Design Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-19
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a coffee cup rotating device and a full-automatic coffee brewing machine. Coffee cup rotary device includes base (1), saucer subassembly (8), be equipped with recess (40) on base (1), saucer subassembly (8) are located in recess (40), saucer subassembly (8) include rotating gear (32), weighing sensor (80), saucer subassembly (8) are used for bearing coffee cup (3) and weigh, base (1) internal fixation is equipped with saucer driving motor (30), the output shaft fixed connection drive gear (31) of saucer driving motor (30), drive gear (31) with rotating gear (32) mesh transmission mutually, so that saucer driving motor (30) drive saucer subassembly (8) rotate. The utility model is widely applied to the field of coffee brewing appliances.

Description

Coffee cup rotating device and full-automatic coffee brewing machine

Technical Field

The utility model relates to the field of coffee brewing appliances, in particular to a coffee cup rotating device; in addition, the utility model also relates to a full-automatic coffee brewing machine.

Background

Coffee is one of the three major beverages in the world. In the prior art, the coffee brewing apparatus is mainly used on a desktop of a home or an office, is connected with a mains supply through a cable, and uses water and coffee powder, a powder packet, a coffee capsule and the like to brew coffee.

The American coffee machine is a common brewing electric appliance for extracting coffee, is a drip coffee machine, needs to manually mix and brew a certain amount of coffee beans and a proper amount of hot water, is relatively random for making coffee, and has lower automation degree; moreover, the whole process has long coffee making time, the temperature of the made coffee is low, and the concentration of the extracted coffee is not high. In addition, the water tank and the machine body of the existing drip coffee machine are fixed into a whole and cannot be moved randomly, so that inconvenience in water adding is caused, the water adding amount at one time is not well controlled, and the concentration of coffee brewed at each time is easily different; and is not easy to clean, and the cold water remained in the coffee machine can grow bacteria for a long time. Moreover, the existing drip coffee machine can be used only when coffee is brewed, and has large limitation.

Coffee machines have also appeared at present which perform the entire process of coffee brewing, from coffee bean weighing, to coffee bean grinding, to coffee brewing. For example, chinese utility model patent No. CN215127358U discloses an american coffee machine, but each step from weighing, bean grinding to brewing still needs manual intervention, which is equivalent to simply combining an electronic scale, a bean grinder and an instant water heater together, so the operation is still tedious, the brewing process of coffee is prolonged, the purpose of designing and using the coffee machine is violated, and the automation degree is still low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a coffee cup rotating device which can drive a coffee cup to automatically rotate and weigh in real time when making coffee so as to accurately control the proportion of coffee and water in the cup, ensure that the coffee cup can uniformly receive coffee powder and sprinkle water and has good coffee making effect.

The utility model also provides a full-automatic coffee brewing machine which has the advantages of high coffee making speed, accurate concentration and convenient operation, can be used for independently making hot water, integrates the functions of water boiling and coffee making, and can reduce manual participation to the greatest extent.

The technical scheme adopted by the coffee cup rotating device is as follows: the coffee cup rotating device comprises a base and a cup stand component, wherein a groove is formed in the base, the cup stand component is located in the groove and comprises a rotating gear and a weighing sensor, the cup stand component is used for supporting a coffee cup and weighing the coffee cup, a cup stand driving motor is fixedly arranged in the base, an output shaft of the cup stand driving motor is fixedly connected with a driving gear, and the driving gear is meshed with the rotating gear for transmission, so that the cup stand driving motor drives the cup stand component to rotate.

The cup stand component further comprises a plug extending downwards along the axis, a socket is arranged in the base in a fixed mode, the plug is electrically connected with the weighing sensor, the plug is connected with the socket in a matched and inserting mode, when the cup stand component rotates, the plug is connected with the socket in a rotating mode and always electrically connected with the socket, and the weighing sensor is used for transmitting a weighing electric signal.

The plug is provided with at least two separated electric conductors which are electrically connected with the connecting terminals of the weighing sensors, the socket is internally provided with at least two electric conduction parts which are matched with the electric conductors, and when the cup holder assembly rotates, the electric conductors are always electrically connected with the electric conduction parts, so that the weighing sensors are always electrically connected with the socket to transmit weighing electric signals.

The saucer subassembly still includes basin frame, tray, apron, the rotating gear cup joint in on the outer wall of basin frame, weighing sensor set up in the inner chamber of basin frame, the bottom of tray with weighing sensor is connected, the apron embedding in the top open slot of tray, the center of basin frame is equipped with the projection that stretches out downwards, the afterbody of plug passes from bottom to top stretch into behind the centre bore of projection the inner chamber of basin frame.

The coffee cup rotating device further comprises a bearing and a pressing ring, the pressing ring covers the outer sleeve of the bearing and is fixedly connected with the bottom surface of the groove, the cup holder assembly is arranged in the groove, the plug sequentially penetrates through the shaft hole of the bearing from top to bottom and then is inserted into the socket after the center hole of the bottom surface of the groove.

The coffee cup rotating device further comprises a clamping ring, wherein a vertical shifting block is arranged on the clamping ring, an annular groove is formed in the side wall of the lower portion of the protruding column, a yielding mounting hole is formed beside the center hole of the bottom surface of the groove, the plug penetrates through the center hole of the bottom surface of the groove, the clamping ring extends into the yielding mounting hole and transversely pushes the vertical shifting block to enable the clamping ring to be inserted into the annular groove, and the clamping ring blocks the bottom of the bearing so as to enable the cup holder assembly to be axially fixed and limited.

The socket is positioned on the socket board, and the socket board is fixedly connected with the bottom plate of the groove.

The side of recess is equipped with the gear hole of stepping down, the running gear follow the gear hole of stepping down stretches into in the recess, with running gear meshes mutually.

The technical scheme adopted by the full-automatic coffee brewing machine is as follows: the full-automatic coffee brewing machine comprises an electric kettle, a coffee cup, a coffee filter screen, a water outlet device, a bean grinding device, an electric control device and a coffee cup rotating device, wherein the coffee cup rotating device comprises a base and a cup stand component, a groove is formed in the base, the cup stand component is positioned in the groove and comprises a rotating gear and a weighing sensor, the cup stand component is used for supporting the coffee cup and weighing the coffee cup, a cup stand driving motor is fixedly arranged in the base, an output shaft of the cup stand driving motor is fixedly connected with a driving gear, the driving gear is meshed with the rotating gear for transmission, so that the cup stand driving motor drives the cup stand component to rotate, a water pump is arranged in the base, the coffee filter screen covers an opening in the top of the coffee cup, the bean grinding device is used for grinding the coffee beans into coffee powder and discharging the coffee powder into the coffee filter screen, the electric kettle is used for electrically heating to prepare hot water, the hot water is pumped into the coffee filter screen through the water outlet device through the water pump so as to brew coffee powder, when the weight of the coffee powder in the coffee filter screen reaches a set powder weight, a signal for stopping bean grinding is sent to the electric control device, the cup holder assembly is also used for weighing the hot water pumped into the coffee filter screen and sending a signal for stopping hot water pumping to the electric control device when the weight of the hot water reaches the set water weight, and brewed coffee liquid leaks into the coffee cup through the coffee filter screen.

The cup holder assembly comprises a socket, a weighing sensor and a plug, wherein the socket is provided with a connecting terminal and at least two electric conductors, the plug is provided with at least two separated electric conductors which are electrically connected with the connecting terminal of the weighing sensor, at least two electric conduction parts matched with the electric conductors are arranged in the socket, and when the cup holder assembly rotates, the electric conductors are always electrically connected with the electric conduction parts, so that the weighing sensor is always electrically connected with the socket to transmit a weighing electric signal.

The coffee cup rotating device further comprises a clamping ring, wherein a vertical shifting block is arranged on the clamping ring, an annular groove is formed in the side wall of the lower portion of the protruding column, a yielding mounting hole is formed beside the center hole of the bottom surface of the groove, the plug penetrates through the center hole of the bottom surface of the groove, the clamping ring extends into the yielding mounting hole and transversely pushes the vertical shifting block to enable the clamping ring to be inserted into the annular groove, and the clamping ring blocks the bottom of the bearing to enable the cup holder assembly to be circumferentially fixed and limited.

A bean box is arranged above the bean grinding device and used for containing coffee beans and supplying the coffee beans to the bean grinding device.

The lower part of the bean box is funnel-shaped, and the top is provided with a box cover.

And the base is provided with a working state display screen.

The coffee filter screen is inverted cone-shaped and extends into the coffee cup, and the upper part of the coffee cup is funnel-shaped.

The bean grinder is characterized in that a fixed vertical cylinder is arranged on the base, the fixed vertical cylinder is fixedly connected with the bean grinding device, and the bean grinding device comprises an outer powder outlet support arm.

The bean grinding device comprises a bean grinding motor, a speed reducer, an inner cutter and an outer cutter, wherein an output shaft of the speed reducer is connected with the inner cutter, the inner cutter is matched with the outer cutter, an inclined powder outlet channel is arranged in the powder outlet support arm, the tail end of the powder outlet channel is communicated with a powder outlet on the powder outlet support arm, and the powder outlet is matched with the top opening position of the coffee cup.

The water outlet device comprises a rotary sleeve, an outer water outlet support arm is fixedly connected to the rotary sleeve, a hot water outlet and a baffle are arranged below the front end of the outer water outlet support arm, the baffle is arranged above the outer water outlet support arm, the outer water outlet support arm is located below the outer water outlet support arm and matched with the outer water outlet support arm, the rotary sleeve is sleeved with the outer part of the fixed vertical cylinder and can wind the fixed vertical cylinder to rotate by an angle, so that the bean grinding device outwards rotates when being in a bean grinding state, the outer water outlet support arm is staggered with the outer water outlet support arm, coffee powder passes through the powder outlet and spills on the coffee filter screen, and the bean grinding device rotates back to the original position when stopping grinding beans, and the outer water outlet support arm is superposed with the powder outlet support arm, and the powder outlet is sheltered by the baffle.

The powder outlet and the hot water outlet are offset from the axis of the coffee cup.

The base is internally and fixedly provided with a sleeve driving motor, an output shaft of the sleeve driving motor is fixedly connected with a crank, the outer wall of the bottom of the rotating sleeve is fixedly connected with a rocker, and two ends of a connecting rod are respectively hinged with the crank and the rocker to form a crank rocker mechanism.

And the connecting rod is provided with an avoiding groove.

The sleeve driving motor drives the rotary sleeve to rotate to the position where the water extending support arm and the powder extending support arm are completely overlapped, the crank abuts against the elastic sheet of the first microswitch to enable the first microswitch to be closed, a signal for stopping driving is sent to the electric control device, the sleeve driving motor stops working, the sleeve driving motor drives the rotary sleeve to reversely rotate to the position where the water extending support arm and the powder extending support arm are staggered to the maximum position, the crank abuts against the elastic sheet of the second microswitch to enable the second microswitch to be closed, a signal for stopping reverse driving is sent to the electric control device, and the sleeve driving motor stops working.

The inner wall of the rotary sleeve is fixedly connected with a water supply pipe, the bottom of the water supply pipe is communicated with the water outlet of the water pump through a movable hose, the top of the water supply pipe is communicated with the hot water outlet through a guide pipe, and the outer side wall of the fixed vertical cylinder is provided with a yielding groove for yielding the water supply pipe.

The electric kettle can be taken out of the base and moved away, the base is provided with an electric connector and a water connector which are separated and arranged side by side, the electric connector is electrically connected with the electric control device, and the water connector is communicated with a water inlet of the water pump; the bottom of the electric kettle is provided with a separated electric connector and a separated water outlet connector, when the electric kettle is placed on the base, the electric connector is in adaptive electric connection with the electric connector so as to supply power to an electric heating element of the electric kettle, and the water outlet connector is in adaptive sealing communication with the water connector so as to enable a water path between the electric kettle and the water pump to be communicated.

The beneficial effects of the utility model are: the coffee cup rotating device comprises a base and a cup stand component, wherein a groove is formed in the base, the cup stand component is located in the groove and comprises a rotating gear and a weighing sensor, the cup stand component is used for supporting a coffee cup and weighing the coffee cup, a cup stand driving motor is fixedly arranged in the base, an output shaft of the cup stand driving motor is fixedly connected with a driving gear, and the driving gear is meshed with the rotating gear for transmission so that the cup stand driving motor drives the cup stand component to rotate; the coffee cup rotating device overcomes the defects and shortcomings of the prior art, the cup support driving motor drives the cup support assembly to rotate, so that the coffee cup on the cup support driving motor and the contents of the coffee cup, such as coffee powder, hot water and the like, can be driven to rotate together, the uniform dispersion of the coffee powder and the hot water is facilitated in the rotating process, the coffee brewing effect is good, and meanwhile, the coffee cup and the contents of the coffee cup can be weighed in real time through the weighing sensor, so that the proportion of the coffee powder and the water in the cup can be accurately controlled, the coffee cup can be guaranteed to uniformly receive the coffee powder and spray water, and the coffee concentration is accurately controlled;

the full-automatic coffee brewing machine comprises an electric kettle, a coffee cup, a coffee filter screen, a water outlet device, a bean grinding device, an electric control device and a coffee cup rotating device, wherein the coffee cup rotating device comprises a base and a cup stand component, a groove is formed in the base, the cup stand component is positioned in the groove and comprises a rotating gear and a weighing sensor, the cup stand component is used for supporting and weighing the coffee cup, a cup stand driving motor is fixedly arranged in the base, an output shaft of the cup stand driving motor is fixedly connected with a driving gear, the driving gear is meshed with the rotating gear for transmission, so that the cup stand driving motor drives the cup stand component to rotate, a water pump is arranged in the base, the coffee filter screen covers an opening in the top of the coffee cup, and the bean grinding device is used for grinding coffee beans into coffee powder, the electric kettle is used for electrically heating to prepare hot water, the hot water is pumped into the coffee filter screen through the water outlet device by the water pump to brew coffee powder, a signal for stopping bean grinding is sent to the electric control device when the weight of the coffee powder in the coffee filter screen reaches a set powder weight, the cup holder assembly is also used for sending a signal for stopping hot water pumping to the electric control device when the weight of the hot water pumped into the coffee filter screen is weighed, and brewed coffee liquid leaks into the coffee cup through the coffee filter screen; the full-automatic coffee brewing machine overcomes the defects and shortcomings of the prior art, overcomes the prejudice of the prior art, organically integrates a coffee brewing appliance and a water boiling appliance, saves necessary living electric appliances and space for living, can be used for brewing coffee, can also be used for boiling water independently through the kettle, automatically finishes the whole process from bean grinding, powder adding and water heating to coffee discharging when used for making coffee, does not need to transfer the appliance, reduces the waiting time of manual participation, thereby realizing fast coffee brewing, accurately weighing the water quantity and the powder grinding quantity, realizing the closed-loop control of coffee powder and water, achieving accurate powder-water ratio, precise brewing concentration, improving the making efficiency and quality of coffee, having the using effect close to that of hand coffee brewing and flexible adjustability, being superior to the prior coffee machine, enriching the life of people and creating good economic value, the boiling water left after the coffee is made can be used for other purposes, such as milk brewing, tea brewing and the like, the problem that the coffee is not cleaned well for a long time is solved, convenience is brought to life, and better experience and enjoyment are provided for a user.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fully automatic coffee maker according to an embodiment of the present invention;

FIG. 2 is a schematic view of the full-automatic coffee maker according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the fully automatic coffee maker according to the embodiment of the present invention, wherein the fully automatic coffee maker extends out of the water support arm and rotates to a dislocated state;

FIG. 4 is a schematic cross-sectional view of a fully automatic coffee maker of an embodiment of the present invention along a plane of the axis of the stationary cylinder and the coffee cup;

FIG. 5 is a schematic bottom view of the automatic coffee maker of the embodiment of the present invention;

FIG. 6 is a partial schematic structural view of a water outlet device according to an embodiment of the present invention;

FIG. 7 is a partial schematic structural view of another perspective of the water outlet device according to the embodiment of the present invention;

FIG. 8 is a schematic bottom view of the water outlet device according to the embodiment of the present invention, showing the fully overlapped state of the outer water-extending arm and the outer powder-extending arm;

FIG. 9 is a schematic bottom view of the water outlet device according to the embodiment of the present invention, wherein the water outlet device has an outer water arm and an outer powder arm that are partially staggered;

FIG. 10 is a schematic bottom view of the water discharging device of the present invention with the outer water discharging arm and the outer powder discharging arm being staggered from each other by a maximum distance;

FIG. 11 is a schematic view of the coffee cup rotating apparatus of the embodiment of the present invention with the base removed;

FIG. 12 is a schematic view of the structure of the coffee cup rotating apparatus of the present invention with the cup holder assembly separated from the base for charging;

FIG. 13 is an exploded view of the cup holder assembly and other components of the coffee cup rotating apparatus of the present invention;

FIG. 14 is a schematic view of a fully exploded configuration of a coffee cup rotating apparatus according to an embodiment of the present invention;

FIG. 15 is a schematic sectional view of a coffee cup rotating apparatus according to an embodiment of the present invention;

FIG. 16 is an exploded view of the cup holder assembly of the coffee cup rotating apparatus of the embodiment of the present invention;

FIG. 17 is a schematic view of the overall structure of the fully automatic coffee maker of the embodiment of the present invention in a state where the electric kettle is taken out;

fig. 18 is a schematic view of the overall structure of an electric kettle according to an embodiment of the present invention;

fig. 19 is a schematic sectional view showing an electric kettle according to an embodiment of the present invention.

Detailed Description

As shown in fig. 11 to 16, the coffee cup rotating device of the present invention includes a base 1, a cup holder assembly 8, a bearing 86, a pressing ring 87, and a snap ring 89, wherein a groove 40 is provided on the base 1, the cup holder assembly 8 is located in the groove 40, an edge of the groove 40 is slightly higher than upper surfaces of other positions of the base 1 to prevent water or other impurities on the base 1 from falling into the groove 40, so that a top surface of the cup holder assembly 8 is also slightly higher than the upper surface of the base 1, the cup holder assembly 8 includes a rotating gear 32, a weighing sensor 80, a basin stand 85, a tray 55, and a cover plate 56, the cup holder assembly 8 is used for supporting and weighing a coffee cup 3, a cup holder driving motor 30 is fixedly provided in the base 1, an output shaft of the cup holder driving motor 30 is fixedly connected to a driving gear 31, the driving gear 31 is in meshing transmission with the rotating gear 32, so that the cup holder driving motor 30 drives the cup holder assembly 8 to rotate, specifically, a gear abdicating hole 42 is formed in the side surface of the groove 40, and the rotating gear 32 extends into the groove 40 from the gear abdicating hole 42 to be meshed with the rotating gear 32; the cup holder assembly 8 further comprises a plug 82 extending downwards along an axis 91, a socket 81 is fixedly arranged in the base 1, specifically, the socket 81 is positioned on a socket plate 88, the socket plate 88 is fixedly connected with the bottom plate of the groove 40, the plug 82 is electrically connected with the weighing sensor 80, the plug 82 is in adaptive insertion connection with the socket 81, and when the cup holder assembly 8 rotates, the plug 82 is rotatably connected with the socket 81 and always keeps electrical connection so as to transmit a weighing electric signal of the weighing sensor 80; specifically, at least two separated electric conductors 83 are arranged on the plug 82 and electrically connected with the connecting terminals of the weighing sensor 80, at least two electric conduction parts matched with the electric conductors 83 are arranged in the socket 81, when the cup holder assembly 8 rotates, each electric conductor 83 is always electrically connected with each electric conduction part, so that the weighing sensor 80 is always electrically connected with the socket 81 to transmit a weighing electric signal, the number of the electric conductors 83 and the electric conduction parts is determined according to the wiring number of the connecting terminals of the weighing sensor 80, the matching structure of the plug 82 and the socket 81 is similar to the standard plug and socket structure of a 3.5mm wired earphone, and the coupling structure enables the cup holder assembly 8 to rotate and the connection of the weighing sensor 80 for transmitting the electric signal is not influenced; the rotating gear 32 is sleeved on the outer wall of the basin frame 85, the weighing sensor 80 is arranged in an inner cavity of the basin frame 85, one end of the weighing sensor 80 is fixed in the basin frame 85 through a screw, the bottom of the tray 55 is connected with the weighing sensor 80, specifically, the other end of the weighing sensor 80 is fixed at the bottom of the tray 55 through a screw, the cover plate 56 is embedded in an open slot at the top of the tray 55, so that the surface is more attractive, the screw structures and the like at the top of the tray 55 are avoided being seen, a convex column 84 extending downwards is arranged at the center of the basin frame 85, and the tail of the plug 82 penetrates through a central hole of the convex column 84 from bottom to top and then extends into the inner cavity of the basin frame 85; the pressing ring 87 covers the outer sleeve of the bearing 86 and is fixedly connected with the bottom surface of the groove 40, and when the cup holder assembly 8 is placed in the groove 40, the plug 82 sequentially penetrates through the shaft hole of the bearing 86 and the central hole in the bottom surface of the groove 40 from top to bottom and then is connected with the socket 81 in an inserting mode; be equipped with vertical shelves 59 of dialling on the snap ring 89, be equipped with ring channel 43 on the lower part lateral wall of projection 84, 40 bottom surface centre holes of recess are equipped with the mounting hole of stepping down 41 by side, the plug 82 passes behind the centre hole of 40 bottom surfaces of recess, will the snap ring 89 is followed the mounting hole of stepping down 41 stretches into, transversely promotes vertical shelves 59 of dialling makes the snap ring 89 inserts in the ring channel 43, the snap ring 89 blocks the bottom of bearing 86 is in order to right the saucer subassembly 8 carries out axial fixity and spacing.

The coffee cup rotating device overcomes the defects and shortcomings of the prior art, the cup support component is driven to rotate by the cup support driving motor, the coffee cup on the cup support component can be driven to rotate together with the contents of the coffee cup, such as coffee powder, hot water and the like, the coffee powder and the hot water are uniformly dispersed in the rotating process, the coffee brewing effect is good, meanwhile, the coffee cup and the contents of the coffee cup can be weighed in real time by the weighing sensor, so that the proportion of the coffee powder and the water in the cup can be accurately controlled, the coffee cup can uniformly receive the coffee powder and sprinkle water, namely, the coffee concentration is accurately controlled, and the coffee cup rotating device is a coffee cup bottom support structure integrating rotation and weighing, and is novel in structure and ingenious in design.

As shown in fig. 1 to 19, the full-automatic coffee maker of the present invention includes an electric kettle 2, a coffee cup 3, a coffee screen 4, a water outlet device 5, a bean grinding device 7, an electric control device 10, and a coffee cup rotating device as described above, wherein the base 1 is provided with a working status display screen 11 for easy operation, a bean box 9 is disposed above the bean grinding device 7 for containing coffee beans and supplying the coffee beans to the bean grinding device 7, the lower portion of the bean box 9 is funnel-shaped and naturally conveyed into the bean grinding device 7 by gravity of the coffee beans, the top portion thereof is provided with a box cover 17 for containing the coffee beans, the base 1 is provided with a water pump 6 therein, the coffee screen 4 covers an opening at the top portion of the coffee cup 3, the bean grinding device 7 is used for grinding the coffee beans into coffee powder and discharging the coffee powder into the coffee screen 4, the coffee filter screen 4 is in an inverted cone shape and extends into the coffee cup 3, the upper part of the coffee cup 3 is in a funnel shape, which is convenient for supporting the coffee filter screen 4, the bean grinding device 7 is used for grinding coffee beans into coffee powder and discharging the coffee powder into the coffee sieve 4, the electric kettle 2 is used for preparing hot water by electric heating, the hot water is pumped into the coffee filter screen 4 by the water pump 6 through the water outlet device 5 to brew coffee powder, when the coffee powder in the coffee filter screen 4 reaches the set powder weight, a signal for stopping grinding the beans is sent to the electric control device 10, the cup holder assembly 8 is also used for weighing the hot water pumped into the coffee sieve 4 when the set water weight is reached, a signal is sent to the electric control device 10 to stop pumping hot water, and the brewed coffee liquid leaks into the coffee cup 3 through the coffee sieve 4.

Specifically, be equipped with fixed upright section of thick bamboo 12 on the base 1, fixed connection on the fixed upright section of thick bamboo 12 grind beans device 7, grind beans device 7 including outer powder support arm 15, grind beans motor 71, reduction gear 72, interior blade disc 74, outer blade disc 75, the output shaft 73 of reduction gear 72 is connected interior blade disc 74, interior blade disc 74 with outer blade disc 75 looks adaptation, be equipped with the inclined play powder passageway 76 in the outer powder support arm 15, do benefit to the transportation of the natural landing of coffee powder, the terminal intercommunication of play powder passageway 76 play powder mouth 16 on the outer powder support arm 15, go out powder mouth 16 with the open-top position looks adaptation of coffee cup 3.

The water outlet device 5 comprises a rotary sleeve 51, an outward water outlet support arm 13 is fixedly connected to the rotary sleeve 51, a hot water outlet 14 is arranged below the front end of the outward water outlet support arm 13, a baffle plate 19 is arranged above the outward water outlet support arm 13, the outward water outlet support arm 13 is positioned below the outward powder outlet support arm 15 and is matched with the outward powder outlet support arm 15, the rotary sleeve 51 is sleeved outside the fixed vertical cylinder 12 and can rotate around the fixed vertical cylinder 12 for an angle, so that the outward water outlet support arm 13 and the outward powder outlet support arm 15 are staggered (see fig. 3), coffee powder is sprinkled onto the coffee filter screen 4 through the powder outlet 16, and the outward water outlet support arm 13 and the outward powder outlet support arm 15 are rotated back to the original position when the bean grinding device 7 stops grinding beans, so that the outward water outlet support arm 13 and the outward powder outlet support arm 15 are overlapped (see fig. 1), Fig. 2), the powder outlet 16 is shielded by the baffle 19 and no powder is discharged, and meanwhile, hot water steam in the hot water outlet 14 and the coffee sieve 4 is prevented from entering the outer powder outlet support arm 15 and the bean grinding device 7, so that coffee beans and coffee powder are prevented from being affected by moisture and the transportation of the coffee powder is prevented from being influenced; in this embodiment, the hot water outlet 14 includes two nozzles, which has a large water yield and a good brewing effect, and can be used normally when one nozzle is blocked; the powder outlet 16 and the hot water outlet 14 are offset from the axis of the coffee cup 3, so that the powder outlet and the water outlet are both opposite to the side surface of the coffee filter screen 4 instead of the right center position, the coffee powder and the hot water are more easily dispersed, and the uniformity is better.

A sleeve driving motor 20 is fixedly arranged in the base 1, an output shaft of the sleeve driving motor 20 is fixedly connected with a crank 21, the outer wall of the bottom of the rotating sleeve 51 is fixedly connected with a rocker 52, two ends of a connecting rod 22 are respectively hinged with the crank 21 and the rocker 52 to form a crank rocker mechanism, the crank 21 is driven to swing forward or backward by the rotation of the sleeve driving motor 20 in different directions, the rocker 52, the rotating sleeve 51 and the outward water outlet support arm 13 are driven to rotate backward or forward around the axis 92 of the fixed vertical cylinder 12 by the transmission of the connecting rod 22 and the limitation of the outer wall of the fixed vertical cylinder 12, so that the outward water outlet support arm 13 and the outward powder outlet support arm 15 are overlapped or staggered; the sleeve driving motor 20 is fixedly connected with a first microswitch 24 and a second microswitch 26, the sleeve driving motor 20 drives the rotating sleeve 51 to rotate until the outer water-out arm 13 and the outer powder-out arm 15 are completely overlapped, the crank 21 pushes against the elastic sheet 25 of the first microswitch 24 to close (see fig. 6 and 8), and sends a signal for stopping driving to the electric control device 10, when the sleeve driving motor 20 stops working, the sleeve driving motor 20 drives the rotating sleeve 51 to rotate reversely to the maximum position of the outward water-out support arm 13 and the outward powder-out support arm 15, the crank 21 pushes against the elastic sheet 27 of the second microswitch 26 to close the second microswitch (see fig. 10), and a signal for stopping the reverse driving is sent to the electric control device 10, so that the sleeve driving motor 20 stops working; in order to avoid the position interference between the connecting rod 22 and the output shaft of the sleeve driving motor 20 and the elastic sheet 25 of the first microswitch 24 when the outward water-out supporting arm 13 and the outward powder-out supporting arm 15 are staggered at the maximum positions, the connecting rod 22 is provided with a avoidance groove 23, the structure is ingenious, and the space is saved; the embodiment is a rotary sleeve structure for closing and opening the powder outlet, and has novel structure and ingenious design.

The inner wall fixed connection of rotatory sleeve 51 water supply pipe 60, the bottom of water supply pipe 60 through activity hose 68 with the delivery port of water pump 6 is linked together, the top through pipe 67 with hot water outlet 14 is linked together, activity hose 68 has certain activity space, with when rotatory sleeve 51 reciprocating rotation, keep the unblocked connection in water route, the lateral wall of fixed stand section of thick bamboo 12 is equipped with and is used for dodging the groove 18 of stepping down of water supply pipe 60, and the structure is ingenious, saves space.

The electric kettle 2 can be taken out of the base 1 and moved away, the base 1 is provided with an electric connector 61 and a water connector 62 which are separated and arranged side by side, the electric connector 61 is electrically connected with the electric control device 10, and the water connector 62 is communicated with a water inlet of the water pump 6; the structure of the electric kettle 2 is similar to that of the existing electric kettle, mainly the bottom is different, the bottom of the electric kettle 2 is provided with a separated electric connector 63 and a separated water outlet connector 64, when the electric kettle 2 is placed on the base 1, the electric connector 63 is electrically connected with the electric connector 61 in a matching way so as to supply power to the electric heating element 66 of the electric kettle 2, the water outlet connector 64 is communicated with the water connector 62 in a matching and sealing way so as to communicate a water path between the electric kettle 2 and the water pump 6, when the electric kettle 2 is taken out from the base 1, the water outlet connector 64 is returned to a closed state so as to avoid water leakage, a water temperature sensor 69 arranged in the electric kettle 2 is electrically connected with the electric control device 10 and can display real-time water temperature on the working state display screen 11, and the embodiment adopts the separated water and electricity interface structure, the short circuit caused by water dripping and leaking can be avoided, so that the safety is high, the possibility of water and electricity mixing is avoided, and the potential safety hazards of water leakage and electricity leakage caused by the fact that water and electricity interfaces are concentrated in the center are avoided.

It should be noted that, a control circuit board and corresponding circuit connection lines are arranged in the base 1 and led out through power lines, and for the connection and structure requirements, necessary supports and threaded fasteners are further arranged in the base 1 to support and connect the fixed vertical cylinder 12, the sleeve driving motor 20, the cup holder driving motor 30, and other components, which are not described again.

A typical basic operation of the fully automatic coffee brewing machine of the present embodiment is as follows:

when the full-automatic coffee maker starts to work, the electric kettle 2 starts to heat water to a preset temperature; at the same time, the rotating sleeve 51 rotates to the state shown in fig. 3; grinding the beans, simultaneously driving the coffee cup 3 and the coffee filter screen 4 to rotate together by the cup holder assembly 8, and synchronously weighing the coffee cup by the weighing sensor 80 at any time to reach the preset powder outlet weight; automatically stopping grinding the beans; the cup holder assembly 8 stops rotating; the rotating sleeve 51 is rotated to the state shown in fig. 2; after the water temperature reaches a preset temperature, the water pump 6 pumps hot water to be injected into the coffee filter screen 4 through the hot water outlet 14, meanwhile, the cup holder assembly 8 drives the coffee cup 3 and the coffee filter screen 4 to rotate together, and the weighing sensor 80 synchronously weighs to a preset water outlet weight at any time; automatically stopping water injection; the cup holder assembly 8 stops rotating; waiting for the brewed coffee to leak into the coffee cup 3 through the coffee sieve 4, and ending the brewing of coffee.

The two processes of heating and grinding the beans do not have strict sequence requirements, and the water can be heated first and then the beans are ground, or the water can be heated first and then the beans are heated, or the water can be heated when the beans are ground. The proportion of the water and the coffee powder injected into the coffee filter screen 4 is optimized through a program preset in the electric control device 10, the ideal weight proportion of the water-powder ratio is 15: 1-18: 1, namely 1g of coffee powder corresponds to 15-18 g of water, the ideal interval of the water temperature is 92-96 ℃, the set numerical value can be adjusted and set according to different use requirements such as taste concentration and different cold and hot temperatures, and a plurality of groups of water-powder ratios and water temperatures can be set.

The full-automatic coffee brewing machine overcomes the defects and shortcomings of the prior art, overcomes the prejudice of the prior art, organically integrates a coffee brewing appliance and a water boiling appliance, saves necessary living electric appliances and space for living, can be used for brewing coffee, can also be used for boiling water independently through the kettle, automatically finishes the whole process from bean grinding, powder adding and water heating to coffee discharging when used for making coffee, does not need to transfer the appliance, reduces the waiting time of manual participation, thereby realizing fast coffee brewing, accurately weighing the water quantity and the powder grinding quantity, realizing the closed-loop control of coffee powder and water, achieving accurate powder-water ratio, precise brewing concentration, improving the making efficiency and quality of coffee, having the using effect close to that of hand coffee brewing and flexible adjustability, being superior to the prior coffee machine, enriching the life of people and creating good economic value, the boiling water left after the coffee is made can be used for other purposes, such as milk brewing, tea brewing and the like, the problem that the coffee is not cleaned well for a long time is solved, convenience is brought to life, and better experience and enjoyment are provided for a user.

The utility model can be widely applied to the field of coffee brewing appliances.

Claims

1. A coffee cup rotating device is characterized in that: including base (1), saucer subassembly (8), be equipped with recess (40) on base (1), saucer subassembly (8) are located in recess (40), saucer subassembly (8) include rotating gear (32), weighing sensor (80), saucer subassembly (8) are used for bearing coffee cup (3) and weigh, base (1) internal fixation is equipped with saucer driving motor (30), output shaft fixed connection drive gear (31) of saucer driving motor (30), drive gear (31) with rotating gear (32) mesh transmission mutually, so that saucer driving motor (30) drive saucer subassembly (8) rotate.

2. The coffee cup rotating apparatus according to claim 1, wherein: saucer subassembly (8) still include plug (82) that stretches out downwards along axis (91), base (1) internal fixation is equipped with socket (81), plug (82) with weighing sensor (80) electric connection, plug (82) with socket (81) looks adaptation is pegged graft, when saucer subassembly (8) rotates, plug (82) with socket (81) rotate to be connected, and remain electric connection throughout, in order to convey the signal of telecommunication of weighing sensor (80) weighing.

3. The coffee cup rotating apparatus of claim 2, wherein: the cup holder assembly is characterized in that at least two separated electric conductors (83) are arranged on the plug (82) and electrically connected with a connecting terminal of the weighing sensor (80), at least two electric conduction parts matched with the electric conductors (83) are arranged in the socket (81), and when the cup holder assembly (8) rotates, the electric conductors (83) are always electrically connected with the electric conduction parts, so that the weighing sensor (80) is always electrically connected with the socket (81) to transmit a weighing electric signal.

4. The coffee cup rotating apparatus of claim 2, wherein: saucer assembly (8) still include basin frame (85), tray (55), apron (56), rotating gear (32) cup joint in on the outer wall of basin frame (85), weighing sensor (80) set up in the inner chamber of basin frame (85), the bottom of tray (55) with weighing sensor (80) are connected, apron (56) embedding in the top open slot of tray (55), the center of basin frame (85) is equipped with projection (84) that stretch out downwards, the afterbody of plug (82) upwards passes from bottom stretch into behind the centre bore of projection (84) the inner chamber of basin frame (85).

5. The coffee cup rotating apparatus according to claim 4, wherein: coffee cup rotary device still includes bearing (86), clamping ring (87) cover is pressed to clamping ring (87) the overcoat of bearing (86) and with the bottom surface looks fixed connection of recess (40), saucer subassembly (8) are put into during in recess (40), plug (82) from the top down pass in proper order the shaft hole of bearing (86) behind the centre bore of recess (40) bottom surface with socket (81) are pegged graft mutually.

6. The coffee cup rotating apparatus according to claim 5, wherein: coffee cup rotary device still includes snap ring (89), be equipped with vertical shelves (59) of dialling on snap ring (89), be equipped with ring channel (43) on the lower part lateral wall of projection (84), be equipped with abdicating mounting hole (41) beside recess (40) bottom surface centre bore, plug (82) are passed behind the centre bore of recess (40) bottom surface, will snap ring (89) are followed abdicating mounting hole (41) and stretching into, transversely promote vertical shelves (59) of dialling make snap ring (89) insert in ring channel (43), snap ring (89) block the bottom of bearing (86) is with right saucer subassembly (8) carry out axial fixity and spacing.

7. Coffee cup rotating apparatus according to claim 2, 5 or 6, characterized in that: the socket (81) is positioned on a socket board (88), and the socket board (88) is fixedly connected with the bottom plate of the groove (40).

8. The coffee cup rotating apparatus according to claim 1, wherein: the side of recess (40) is equipped with gear hole (42) of stepping down, running gear (32) are followed gear hole (42) of stepping down stretches into in recess (40), with running gear (32) mesh mutually.

9. A full-automatic coffee brewing machine is characterized in that: the coffee cup rotating device comprises an electric kettle (2), a coffee cup (3), a coffee filter screen (4), a water outlet device (5), a bean grinding device (7), an electric control device (10) and the coffee cup rotating device as claimed in any one of claims 1 to 8, wherein a water pump (6) is arranged in a base (1), the coffee filter screen (4) covers an opening at the top of the coffee cup (3), the bean grinding device (7) is used for grinding coffee beans into coffee powder and discharging the coffee powder into the coffee filter screen (4), the electric kettle (2) is used for preparing hot water by electric heating, the hot water is pumped into the coffee filter screen (4) through the water outlet device (5) by the water pump (6) so as to brew the coffee powder, and when the coffee powder in the coffee filter screen (4) reaches a set powder weight, a signal for stopping bean grinding is sent to the electric control device (10), the cup holder assembly (8) is also used for sending a signal for stopping pumping hot water to the electric control device (10) when the weight of the hot water pumped into the coffee filter screen (4) is weighed and reaches a set water weight, and the brewed coffee liquid leaks into the coffee cup (3) through the coffee filter screen (4).

10. The fully automatic coffee brewing machine of claim 9, wherein: a bean box (9) is arranged above the bean grinding device (7) and used for containing coffee beans and supplying the coffee beans to the bean grinding device (7); the lower part of the bean box (9) is funnel-shaped, and the top part is provided with a box cover (17); the base (1) is provided with a working state display screen (11); the coffee filter screen (4) is in an inverted cone shape and extends into the coffee cup (3), and the upper portion of the coffee cup (3) is funnel-shaped.

11. The fully automatic coffee brewing machine of claim 9, wherein: a fixed vertical cylinder (12) is arranged on the base (1), the fixed vertical cylinder (12) is fixedly connected with the bean grinding device (7), and the bean grinding device (7) comprises an outer powder outlet support arm (15); grind beans device (7) and still include mill beans motor (71), reduction gear (72), interior cutter head (74), outer cutter head (75), output shaft (73) of reduction gear (72) are connected interior cutter head (74), interior cutter head (74) with outer cutter head (75) looks adaptation, be equipped with inclined play powder passageway (76) in outer powder support arm (15), the terminal intercommunication of play powder passageway (76) outer powder mouth (16) on the support arm (15) of stretching out, go out powder mouth (16) with the top opening position looks adaptation of coffee cup (3).

12. The fully automatic coffee brewing machine of claim 11, wherein: the water outlet device (5) comprises a rotary sleeve (51), an outward water outlet support arm (13) is fixedly connected to the rotary sleeve (51), a hot water outlet (14) is arranged below the front end of the outward water outlet support arm (13), a baffle plate (19) is arranged above the outward water outlet support arm, the outward water outlet support arm (13) is positioned below the outward powder outlet support arm (15) and is matched with the outward powder outlet support arm (15), the rotary sleeve (51) is sleeved outside the fixed vertical cylinder (12) and can rotate around the fixed vertical cylinder (12) by an angle so as to rotate outwards when the bean grinding device (7) is in a bean grinding and powder outlet state, the outward water outlet support arm (13) is staggered with the outward powder outlet support arm (15), coffee powder is sprinkled onto the coffee filter screen (4) through the powder outlet (16), and rotates back to the original position when the bean grinding device (7) stops grinding, the outer water-out support arm (13) is overlapped with the outer powder-out support arm (15), and the powder outlet (16) is shielded by the baffle (19); the powder outlet (16) and the hot water outlet (14) are offset to the axis of the coffee cup (3).

13. The fully automatic coffee brewing machine of claim 12, wherein: a sleeve driving motor (20) is fixedly arranged in the base (1), an output shaft of the sleeve driving motor (20) is fixedly connected with a crank (21), the outer wall of the bottom of the rotating sleeve (51) is fixedly connected with a rocker (52), two ends of a connecting rod (22) are respectively hinged with the crank (21) and the rocker (52) to form a crank-rocker mechanism, the sleeve drives the motor (20) to rotate in different directions to drive the crank (21) to swing in the positive direction or the reverse direction, the rocker (52), the rotating sleeve (51) and the outward water outlet support arm (13) are driven to rotate around the axis (92) of the fixed vertical cylinder (12) in the reverse direction or the forward direction through the transmission of the connecting rod (22) and the limit of the outer wall of the fixed vertical cylinder (12), so that the outer water-out support arm (13) and the outer powder-out support arm (15) are overlapped or staggered; an avoiding groove (23) is arranged on the connecting rod (22).

14. The fully automatic coffee brewing machine of claim 13, wherein: the sleeve driving motor (20) is fixedly connected with a first micro switch (24) and a second micro switch (26), when the sleeve driving motor (20) drives the rotary sleeve (51) to rotate until the outward water-out support arm (13) and the outward powder-out support arm (15) are completely overlapped, the crank (21) pushes against an elastic sheet (25) of the first micro switch (24) to close the first micro switch, a driving stopping signal is sent to the electric control device (10), the sleeve driving motor (20) stops working, the sleeve driving motor (20) drives the rotary sleeve (51) to reversely rotate until the outward water-out support arm (13) and the outward powder-out support arm (15) are staggered to the maximum position, the crank (21) pushes against an elastic sheet (27) of the second micro switch (26) to close the second micro switch, and a reverse driving stopping signal is sent to the electric control device (10), the sleeve driving motor (20) stops working.

15. The fully automatic coffee brewing machine of claim 12, wherein: the inner wall fixed connection of rotatory sleeve (51) water supply pipe (60), the bottom of water supply pipe (60) through activity hose (68) with the delivery port of water pump (6) is linked together, the top pass through pipe (67) with hot water outlet (14) are linked together, the lateral wall of fixed upright section of thick bamboo (12) is equipped with and is used for dodging tank (18) of stepping down of water supply pipe (60).

16. The fully automatic coffee brewing machine of claim 9, wherein: the electric kettle (2) can be taken out of the base (1) and moved away, an electric connector (61) and a water connector (62) which are separated and arranged side by side are arranged on the base (1), the electric connector (61) is electrically connected with the electric control device (10), and the water connector (62) is communicated with a water inlet of the water pump (6); the bottom of the electric kettle (2) is provided with a separated electric connector (63) and a separated water outlet connector (64), when the electric kettle (2) is placed on the base (1), the electric connector (63) is in adaptive electric connection with the electric connector (61) so as to supply power to an electric heating element (66) of the electric kettle (2), and the water outlet connector (64) is in adaptive sealing communication with the water connector (62) so as to enable a water path between the electric kettle (2) and the water pump (6) to be communicated.