CN212140193U - Coffee machine - Google Patents

Abstract

The utility model discloses a coffee machine, which comprises a water tank; the brewing head is provided with a water outlet hole; heating device has water inlet, heating chamber and delivery port, the heating chamber is located just intercommunication in the heating device the water inlet with the delivery port, the water inlet with the water tank intercommunication, delivery port department is connected with cover body subassembly and the actuating mechanism who is used for controlling the rivers direction, actuating mechanism cup joints inside the cover body subassembly, cover body subassembly has first water conservancy diversion mouth, cushion chamber and second water conservancy diversion mouth, the cushion chamber is located actuating mechanism periphery and intercommunication first water conservancy diversion mouth with second water conservancy diversion mouth, first water conservancy diversion mouth is connected the delivery port, the second water conservancy diversion mouth is connected the brewing head. According to the technical scheme, the large jumping of the brewing water temperature can be avoided through the technical means, and the water temperature requirement of brewing coffee with various flavors is met.

Description

Coffee machine

Technical Field

The utility model is used for coffee dashes the bubble field, especially relates to a coffee machine.

Background

At present, in the coffee machine on the market, a water adding device of the coffee machine is easy to leave more residual water, when the coffee is brewed, water in the water adding device is heated and expanded, and is easy to flow outwards, so that the initial brewing temperature is low, and the taste of the coffee is seriously influenced. In addition, in the later stage of brewing, due to the influence of the water level, the water pressure change fluctuation of the water adding device is large, the temperature jump is large, and particularly, in a coffee machine needing a strong flavor function, a certain amount of water with a high temperature needs to be injected for brewing before the initial brewing so as to meet the requirement that the coffee powder is fully soaked by the proper water temperature, and the water adding device of the existing coffee machine is difficult to meet the temperature requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a coffee machine, it can avoid dashing the great jump of bubble temperature, satisfies the temperature requirement that multiple taste coffee steeped.

The utility model provides a technical scheme that its technical problem adopted is:

a coffee machine comprises

A water tank;

the brewing head is provided with a water outlet hole;

heating device has water inlet, heating chamber and delivery port, the heating chamber is located just intercommunication in the heating device the water inlet with the delivery port, the water inlet with the water tank intercommunication, delivery port department is connected with cover body subassembly and the actuating mechanism who is used for controlling the rivers direction, actuating mechanism cup joints inside the cover body subassembly, cover body subassembly has first water conservancy diversion mouth, cushion chamber and second water conservancy diversion mouth, the cushion chamber is located actuating mechanism periphery and intercommunication first water conservancy diversion mouth with second water conservancy diversion mouth, first water conservancy diversion mouth is connected the delivery port, the second water conservancy diversion mouth is connected the brewing head.

In combination with the above implementations, in some implementations, the driving mechanism includes a motor and a helical blade, and the motor can drive the helical blade to rotate to control the water flow direction.

In combination with the above implementation manners, in some implementation manners, an accommodating cavity is provided in the cover assembly, and the motor is provided in the accommodating cavity.

In combination with the above implementation manners, in some implementation manners, a guide hole is formed in the bottom of the accommodating cavity, a connecting shaft is arranged at the output end of the motor, a sealing ring is arranged between the guide hole and the connecting shaft, and the connecting shaft penetrates through the guide hole and is connected with the helical blade in the water outlet.

In combination with the foregoing implementation manners, in some implementation manners, a driving wheel is disposed at an output end of the motor, the driving wheel is connected with the first magnet, the helical blade is connected with the second magnet corresponding to the first magnet, and the helical blade is located outside the bottom of the accommodating cavity.

In combination with the foregoing implementation manners, in some implementation manners, the cover assembly includes a first cover body and a second cover body, the first cover body is connected to the second cover body, the accommodating cavity is formed by recessing the first cover body and the second cover body, the first diversion port is located on the first cover body, and the second diversion port is located on the second cover body.

In combination with the above implementations, in some implementations, the method further includes

The first temperature sensor is used for detecting the water temperature of the heating cavity;

the second temperature sensor is used for detecting the water temperature of the buffer cavity;

and the first temperature sensor, the second temperature sensor and the driving mechanism are all connected with the control assembly.

In combination with the foregoing implementation manners, in some implementation manners, the brewing device further includes a case, the brewing head extends from one side of the case, the water tank and the heating device are both located in the case, the water tank is higher than the heating chamber, a water supply hole is formed in the bottom of the water tank, the water inlet is connected with the water supply hole through a first pipeline, and the second flow guide port is connected with the brewing head through a second pipeline.

In combination with the above implementations, in some implementations, a base is further included that forms a support table below the brew head.

With reference to the foregoing implementation manners, in some implementation manners, the beverage making device further includes a brewing container, and a container opening of the brewing container is provided with a filtering component.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when brewing is started, water in the brewing head and the buffer cavity can be sucked into the heating cavity through the driving mechanism and reflows after being heated; or, the hot water pump that will heat the intracavity sends the cushion chamber to the brewing head and preheats, and through set up the cushion chamber in delivery port department, slow down the hot water fluctuation of heating in-process heating intracavity, also do benefit to the reflux heating simultaneously, increase the controllability of rivers direction, control leaving water temperature is more accurate. According to the technical scheme, the large jumping of the brewing water temperature can be avoided through the technical means, and the water temperature requirement of brewing coffee with various flavors is met.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an isometric view of an embodiment of the coffee maker of the present invention;

FIG. 2 is a schematic diagram of the internal structure of one embodiment shown in FIG. 1;

FIG. 3 is a schematic view of the one embodiment drive mechanism of FIG. 2 pumping water out of the heating chamber;

FIG. 4 is a schematic view of the one embodiment drive mechanism shown in FIG. 2 drawing water from the brew head into the heating chamber;

FIG. 5 is a schematic view of the heating apparatus of FIG. 2 according to one embodiment;

FIG. 6 is an exploded view of the drive mechanism configuration of one embodiment shown in FIG. 2;

fig. 7 is a schematic structural diagram of a driving mechanism according to still another embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 2, an embodiment of the present invention provides a coffee maker, including a water tank 1, a brewing head 3 and a heating device 4, the water tank 1 is used for holding water for brewing coffee, the brewing head 3 is provided with a water outlet 31, the heating device 4 is located between the water tank 1 and the brewing head 3, the heating device 4 has a water inlet 43, a heating cavity 42 and a water outlet 41, the heating cavity 42 is located in the heating device 4 and communicates with the water inlet 43 and the water outlet 41, water is heated in the heating cavity 42, the heating device 4 controls water flow direction on the one hand and controls water temperature on the other hand. The heating device 4 can be placed in a horizontal, vertical or other position, for example, in the embodiment shown in fig. 2, the heating device 4 is placed vertically to form a tower-type heating device, the water inlet 43 and the water outlet 41 are respectively located at the bottom and the top of the tower-type heating device 4, and the water discharged from the water outlet 41 has a higher temperature by utilizing the layering principle of water with different temperatures.

Referring to fig. 2, the water inlet 43 is communicated with the water tank 1, the water outlet 41 is connected with a cover assembly 55 and a driving mechanism 51 for controlling the water flow direction, the driving mechanism 51 is sleeved inside the cover assembly 55, the cover assembly 55 is provided with a first flow guide opening 555, a buffer cavity 556 and a second flow guide opening 557, the buffer cavity 556 is located at the periphery of the driving mechanism 51 and is communicated with the first flow guide opening 555 and the second flow guide opening 557, the first flow guide opening 555 is connected with the water outlet 41, and the second flow guide opening 557 is connected with the brewing head 3.

In this embodiment, the driving mechanism 51 is sleeved inside the cover body assembly 55 and is arranged at the water outlet 41, so that the assembly difficulty and the product height can be effectively reduced. Moreover, under some working conditions, the residual water in the heating cavity 42 needs to be dried, at this time, the temperature of the heating device 4 is high, and the driving mechanism 51 is far away from the inner cavity of the heating device 4, so that the service life of the driving mechanism 51 can be greatly prolonged.

When brewing is started, the driving mechanism 51 can suck the water in the brewing head 3 and the buffer chamber 556 into the heating chamber 42, and the water flows back after being heated; or, the hot water in the heating cavity 42 is pumped to the buffer cavity 556 to the brewing head 3 for preheating, and the buffer cavity 556 is arranged at the water outlet 41, so that hot water fluctuation in the heating cavity 42 in the heating process is relieved, meanwhile, backflow heating is facilitated, controllability of the water flow direction is improved, and the water outlet temperature is controlled more accurately. According to the technical scheme, the large jumping of the brewing water temperature can be avoided through the technical means, and the water temperature requirement of brewing coffee with various flavors is met.

Wherein the driving mechanism 51 can be driven by mechanical or magnetic force, for example, in the embodiment shown in fig. 2, the driving mechanism 51 includes a motor 52 and a spiral blade 53, and the motor 52 can drive the spiral blade 53 to rotate to control the water flow direction. Referring to figures 3 and 4, the motor 52 can drive the helical blade 53 to rotate counterclockwise or clockwise to draw water from the brew head 3, the buffer chamber 556 and into the heating chamber 42, or to pump hot water from the heating chamber 42 into the buffer chamber 556 and to preheat the brew head 3.

Referring to fig. 3 and 4, a containing cavity 553 is arranged in the cover body assembly 55, the motor 52 is arranged in the containing cavity 553, the motor 52 is matched and attached to the containing cavity 553 to realize fixation, the cover body assembly 55 forms a buffer cavity 556 at the periphery of the containing cavity 553, the motor 52 is assembled inside the cover body assembly 55, the structure is more compact, the cover body assembly 55 and the driving mechanism 51 are convenient to install, and the overall assembly performance is improved. Furthermore, in the spatial position, the motor 52 is located away from the heating chamber 42, reducing the operating temperature rise and thermal load life of the motor 52.

Further, referring to fig. 6, the cover assembly 55 includes a first cover 551 and a second cover 552, the first cover 551 is located at the upper portion, the second cover 552 is located at the lower portion, and the first cover 551 and the second cover 552 are connected by, but not limited to, the following methods: bonding, the buckle is connected, cup joint, the screw connection, holding chamber 553 is formed by first lid 551 and second lid 552 indent, first lid 551 and second lid 552 connect the back, inject motor 52 in holding chamber 553, first water conservancy diversion mouth 555 is located first lid 551, second water conservancy diversion mouth 557 is located second lid 552, first lid 551 and second lid 552 form cushion chamber 556 between first water conservancy diversion mouth 555 and second water conservancy diversion mouth 557, the water can flow through cushion chamber 556 along the direction of height.

In some embodiments, referring to fig. 3, 4 and 6, the bottom of the accommodating cavity 553 is provided with a guide hole 554, the output end of the motor 52 is provided with a connecting shaft 521, a sealing ring 54 is arranged between the guide hole 554 and the connecting shaft 521, and the connecting shaft 521 penetrates through the guide hole 554 and is connected with the spiral blade 53 in the water outlet 41, in this embodiment, the motor 52 and the spiral blade 53 are connected through the connecting shaft 521 to realize power transmission, and referring to fig. 3 and 4, the motor 52 can drive the spiral blade 53 to rotate anticlockwise or clockwise to pump water in the brewing head 3 and the buffer cavity 556 into the heating cavity 42, or pump hot water in the heating cavity 42 to the buffer cavity 556 to the brewing head 3 for preheating.

In some embodiments, referring to fig. 7, the output end of the motor 52 is provided with a driving wheel 522, the driving wheel 522 is connected to a first magnet 523, the first magnet 523 is wrapped inside the driving wheel 522 or is connected to the surface of the driving wheel 522, the spiral blade 53 is connected to a second magnet 531 corresponding to the first magnet 523, the spiral blade 53 is located outside the bottom of the accommodating cavity 553, the first magnet 523 and the second magnet 531 are coupled, and the motor 52 realizes power transmission with the spiral blade 53 through magnetic force, which can improve the sealing performance of the cover body assembly 55.

Referring to fig. 7, the bottom of the cover assembly 55 is provided with a protrusion, the driving wheel 522 is located inside the protrusion, the top of the spiral blade 53 is provided with a groove, the spiral blade 53 is sleeved outside the protrusion through the groove to form a rotation center, and the spiral blade 53 rotates along with the driving wheel 522 counterclockwise or clockwise under the action of magnetic force to suck the water in the brewing head 3 and the buffer chamber 556 into the heating chamber 42, or the hot water in the heating chamber 42 is pumped into the buffer chamber 556 to the brewing head 3 for preheating.

In some embodiments, a first temperature sensor 7, a second temperature sensor 8 and a control assembly 20, wherein the first temperature sensor 7 is proximate to the heating chamber 42 for sensing the temperature of the water in the heating chamber 42; the second temperature sensor 8 is close to the buffer cavity 556 and used for detecting the water temperature of the buffer cavity 556; the first temperature sensor 7, the second temperature sensor 8 and the driving mechanism 51 are all connected with the control assembly 20. The rotation speed of the motor 52 is adjusted by the real-time temperature difference between the first temperature sensor 7 and the second temperature sensor 8, so that the temperature difference between the buffer chamber 556 and the heating chamber 42 is reduced, and uniform brewing is achieved.

Referring to fig. 1 and 2, the coffee maker further comprises a case 2, the brewing head 3 extends out from one side of the case 2, the water tank 1 and the heating device 4 are both located in the case 2, the appearance of the coffee maker is better and regular, wherein the water tank 1 is higher than the heating cavity 42, a water supply hole is formed in the bottom of the water tank 1, the water inlet 43 is connected with the water supply hole through a first pipeline so as to form water pressure to flow into the diversion assembly, and the second diversion port 557 is connected with the brewing head 3 through a second pipeline.

Furthermore, the coffee machine also comprises a base and a brewing container 6, the bottom of the base is open and is sealed by a bottom cover 22, the base is provided with a display screen 9 and a control knob 10, a support table 21 is formed below the brewing head 3 of the base and is used for placing the brewing container 6, the container opening of the brewing container 6 is aligned with the water outlet hole 31 of the brewing head 3 above, the container opening of the brewing container 6 is provided with a filtering component, and the filtering component can adopt a filter screen basket 61, filter cotton and the like.

Some embodiments of the present invention have the following features:

1: preheating uniformly:

the driving mechanism 51 works to drive the threaded blade to rotate slowly, so that water in the buffer chamber 556 is pumped into the heating chamber 42 stably for heating, when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach the set brewing temperature, the driving mechanism 51 stops working, and the heating device 4 provides brewing power.

2: a quick brewing mode:

when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach the set brewing temperature, the driving mechanism 51 works at the set speed, the driving mechanism 51 and the heating device 4 provide brewing power, the brewing flow is increased, and quick brewing is realized.

3: function of discharging waste water and vapor

At the end of brewing, because the water quantity is small, the water level in the heating cavity 42 is low, steam residue is easily formed, the water temperature fluctuation is extremely large, water vapor is difficult to discharge, the brewing taste is greatly influenced, the helical blade 53 is rapidly rotated at the water outlet 41 for pumping, and the brewing temperature is also gentle while the residual water and the steam are discharged.

The embodiment of the utility model discloses coffee machine can but not be limited to carry out following mode:

a: a rich brewing mode:

when the water tank 1 is higher than the heating cavity 42, a certain amount of water can flow into the heating cavity 42, the heating device 4 works, and when the first temperature sensor 7 and the second temperature sensor 8 detect that the temperatures of the two are close to about 65 ℃, the driving mechanism 51 is involved, the helical blade 53 rotates anticlockwise slowly, cold water in the buffer cavity 556 is pumped into the heating cavity 42 to be heated, hot water in the heating cavity 42 is reduced and sprayed out along the water outlet hole 31, the temperature rising speeds of the first temperature sensor 7 and the second temperature sensor 8 are detected to be rapidly increased, the driving part drives the helical blade 53 to increase the rotating speed, the hot water is further slowed down and sprayed out along the water outlet hole 31, after the temperatures of the first temperature sensor 7 and the second temperature sensor 8 reach about 95 ℃, the driving mechanism 51 stops working, the hot water in the heating cavity 42 is heated and rises to the brewing head 3, and the coffee powder in the filter component is brewed and counted.

Then, the heating device 4 stops working, and the spraying stops timing;

then, the heating device 4 continues to work and sprays and infuses again;

finally, because the water level of the water tank 1 is low, the temperature jump in the heating cavity 42 is large, when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach a certain temperature difference value, the driving mechanism 51 is involved, the helical blade 53 rotates clockwise quickly, the water in the heating cavity 42 is pumped to the brewing head 3 quickly, and the spraying brewing is carried out;

when the temperatures detected by the first temperature sensor 7 and the second temperature sensor 8 reach the set peak value, the heating device 4 and the driving mechanism 51 stop working, and the brewing is completed.

B: a large-flow brewing mode: (coffee taste flavor refreshing)

When the water tank 1 is higher than the heating device 4, a certain amount of water can flow into the heating cavity 42, the heating device 4 works, when the first temperature sensor 7 and the second temperature sensor 8 detect that the temperatures of the two are close to about 65 ℃, the driving mechanism 51 is involved, the spiral blade 53 rotates anticlockwise slowly, the cold water in the buffer cavity 556 is sucked into the heating cavity 42 for heating, the hot water in the heating cavity 42 is reduced to spray and flow out along the water outlet 41, when the temperature rising speeds of the first temperature sensor 7 and the second temperature sensor 8 are detected to sharply rise to about 85-87 ℃, the driving mechanism 51 is involved, the spiral blade 53 rotates clockwise quickly, the water in the heating cavity 42 is rapidly pumped to the brewing head 3, and the filtering component is brewed.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. Coffee machine, its characterized in that: comprises that

A water tank;

the brewing head is provided with a water outlet hole;

heating device has water inlet, heating chamber and delivery port, the heating chamber is located just intercommunication in the heating device the water inlet with the delivery port, the water inlet with the water tank intercommunication, delivery port department is connected with cover body subassembly and the actuating mechanism who is used for controlling the rivers direction, actuating mechanism cup joints inside the cover body subassembly, cover body subassembly has first water conservancy diversion mouth, cushion chamber and second water conservancy diversion mouth, the cushion chamber is located actuating mechanism periphery and intercommunication first water conservancy diversion mouth with second water conservancy diversion mouth, first water conservancy diversion mouth is connected the delivery port, the second water conservancy diversion mouth is connected the brewing head.

2. A coffee machine according to claim 1, characterized in that: the driving mechanism comprises a motor and a spiral blade, and the motor can drive the spiral blade to rotate so as to control the water flow direction.

3. A coffee machine according to claim 2, characterized in that: the cover body assembly is internally provided with an accommodating cavity, and the motor is arranged in the accommodating cavity.

4. A coffee machine according to claim 3, characterized in that: the bottom of the containing cavity is provided with a guide hole, the output end of the motor is provided with a connecting shaft, a sealing ring is arranged between the guide hole and the connecting shaft, and the connecting shaft penetrates through the guide hole and is connected with the helical blade in the water outlet.

5. A coffee machine according to claim 3, characterized in that: the output of motor is equipped with the drive wheel, first magnet is connected to the drive wheel, helical blade connect with the second magnet that first magnet corresponds, helical blade is located the bottom outside in holding chamber.

6. A coffee machine according to claim 3, characterized in that: the cover body assembly comprises a first cover body and a second cover body, the first cover body is connected with the second cover body, the accommodating cavity is formed by the inner concave of the first cover body and the inner concave of the second cover body, the first flow guide opening is located on the first cover body, and the second flow guide opening is located on the second cover body.

7. A coffee machine according to claim 1, characterized in that: also comprises

The first temperature sensor is used for detecting the water temperature of the heating cavity;

the second temperature sensor is used for detecting the water temperature of the buffer cavity;

and the first temperature sensor, the second temperature sensor and the driving mechanism are all connected with the control assembly.

8. A coffee machine according to claim 1, characterized in that: the brewing device comprises a machine case, a brewing head and a heating device, wherein the brewing head extends out of one side of the machine case, the water tank and the heating device are both positioned in the machine case, the water tank is higher than the heating cavity, a water supply hole is formed in the bottom of the water tank, the water inlet is connected with the water supply hole through a first pipeline, and a second flow guide port is connected with the brewing head through a second pipeline.

9. A coffee machine according to claim 1, characterized in that: the brewing device further comprises a base, wherein the base forms a supporting table below the brewing head.

10. A coffee machine according to claim 1, characterized in that: the tea making device further comprises a brewing container, and a filter part is arranged at the container opening of the brewing container.

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