CN209331816U - Coffee machine with automatic coffee making function - Google Patents

Abstract

The utility model provides a kind of coffee machine with automatic coffee making function, including brew head mechanism, driving mechanism, water circuit system and control loop, the brew head mechanism is connected to the water circuit system, it simultaneously carries out brewing operation to brewing intracavitary ground coffee under the drive of the driving mechanism, and the brew head mechanism includes: beverage making cavity；Brew head；Punch assembly is provided in the brew head, the punch assembly is configured to carry out compression operation to the ground coffee in the beverage making cavity at the end of first stroke；Trigger switch component, it is set to the control loop, it is configured to switch over the first stroke and second stroke of the brew head, and it triggers the punch assembly and carries out punching operation, it can reduce the range demands of brew head mechanism, driving mechanism by the coffee machine of the utility model, while reducing the loss of brew head mechanism, and the preferable ground coffee degree of compression is provided, it oozes out the grease in ground coffee more sufficiently, brews the better coffee of mouthfeel.

Description

Coffee machine with automatic coffee making function

Technical field

The utility model relates to machine for kitchen use field, in particular to a kind of coffee machine with automatic coffee making function.

Background technique

Currently, the existing coffee machine with automatic coffee making function in market generally passes through external motor and transmission mechanism Driving transmission carrys out compressed coffee powder.This mode needs to preset biggish motor and transmission mechanism stroke to guarantee sufficiently to press Less ground coffee is measured in contracting, but when ground coffee amount is larger, and when still driving brew head with big stroke, transmission mechanism and motor meeting By a degree of loss, and it is also relatively high to the performance requirement of motor.

In published patent document, such as the technical side for the Chinese patent proposition that Authorization Notice No. is CN206525946U Case is that press-powder overhead is fixedly installed with a counterbalance spring, and press-powder head is connected to vertical driving assembly by counterbalance spring, passes through Counterbalance spring, press-powder head are adapted to the coffee powder of different-thickness inside net cup, provide foot for the coffee powder of different-thickness Enough pressure, during coffee powder inside press-powder head squeezes net cup, the point water plate of the bottom of press-powder head contacts ground coffee After end, counterbalance spring is started to shrink, and continues thereafter with swing handle and counterbalance spring is made to continue to shrink, and provides foot to coffee powder Enough pressure makes coffee muffin.

For this purpose, urgent need, which provides one kind, can reduce loss, increase the ground coffee degree of compression, and the coffee when brewing can be prevented Overflow, with improve the experience sense of user by.

Utility model content

In view of the above-mentioned problems in the prior art, the utility model provides a kind of tool for capableing of the technology above problem There is the coffee machine of automatic coffee making function.

To achieve the above object, the utility model embodiment the technical solution adopted is that:

A kind of coffee machine with automatic coffee making function, including brew head mechanism, driving mechanism, water circuit system and control back Road, the brew head mechanism are connected to the water circuit system, and to brewing intracavitary coffee under the drive of the driving mechanism Coffee powder carries out brewing operation, and the brew head mechanism includes:

Beverage making cavity is configured with the accommodating space of accommodating ground coffee；

Brew head is configured to have and be protruded into the accommodating space of the beverage making cavity under the drive of the driving mechanism First stroke, and leave under the drive of the driving mechanism second stroke of the accommodating space；It is set in the brew head It is equipped with punch assembly, and the punch assembly is configured to the ground coffee in the beverage making cavity be compressed at the end of first stroke Operation；

Trigger switch component is set to the control loop, is configured to first stroke and the second row to the brew head Journey switches over, and triggers the punch assembly and carry out punching operation；

Thereby, it is possible to which the range demands of brew head mechanism, driving mechanism are effectively reduced, while reducing the damage of brew head mechanism Consumption, and the preferable ground coffee degree of compression is provided, it oozes out the grease in ground coffee more sufficiently, brews the better coffee of mouthfeel.

Preferably, the trigger switch component includes the first trigger switch, the second trigger switch and rotation driving lever, wherein One end of the rotation driving lever and the driving mechanism are rotatablely connected, and are axis in the driving using one end of the rotation driving lever It is rotated under the drive of mechanism；First trigger switch, second trigger switch are correspondingly arranged with the rotation driving lever respectively, So that first trigger switch and second trigger switch can be triggered in the rotation driving lever rotation, it is achieved in described Brew head is accurately stopped in the position of setting, and is accurately switched in the first stroke and the second stroke.

Preferably, first trigger switch and second trigger switch are set to the control loop, and individually control Make the on-off of the control loop, wherein first trigger switch is configured to control the first stroke of the brew head；It is described Second trigger switch is configured to control the second stroke of the brew head, avoids triggering the first stroke and described second simultaneously The case where stroke, occurs.

Preferably, the brew head mechanism further includes gear assembly and link assembly: where the gear assembly and described Link assembly rotation connection；The link assembly is fixedly connected with the brew head；In the gear assembly in the driving machine Under the drive of structure, the link assembly is driven to move, and drive the brew head mobile, punching operation is carried out, by having not Setting between the component of congenerous, can effectively realize the movement of brew head, and meeting reduces brew head mechanism, driving mechanism Range demands.

Preferably, the gear assembly includes the driving gear and driven gear being engaged with each other；The link assembly includes First connecting rod and second connecting rod, the first connecting rod and the second connecting rod are rotatablely connected in the one end to correspond to each other；Wherein, institute The other end and the driven gear for stating first connecting rod are rotatablely connected, and the other end of the second connecting rod is fixed with the brew head Connection；The driving gear drives the driven gear to rotate in the drive of the driving mechanism, and passes through the first connecting rod Drive the brew head mobile with the second connecting rod；Pass through the driving gear and the driven gear and described first Being correspondingly arranged for connecting rod and the second connecting rod, defines the stroke of brew head to the maximum extent, avoids stroke excessive.

Preferably, the brew head includes brew head bodice and brews skull, wherein the brew head bodice, which has, to be run through Chamber, the Single port for brewing skull and blocking the chamber, the another port of the chamber shape-ordinatedly with the punching The port for steeping chamber forms docking；So that brew head and the beverage making cavity are able to achieve sealing during infusing coffee, avoid The spilling of coffee liquid under high pressure conditions.

Preferably, the punch assembly includes the compression blocks driving body and compression blocks being connected to each other；Wherein, compression blocks drive Body shape-ordinatedly installs the chamber into the brew head bodice from the another port of the chamber of the brew head bodice with one end Interior, and can be moved back and forth in the chamber of the brew head bodice；The compression blocks and the beverage making cavity shape cooperate Ground is arranged, and the accommodating space of the beverage making cavity is protruded under the drive of the compression blocks driving body, and can move back and forth, So that the compression blocks squeeze the ground coffee in the accommodating space of the beverage making cavity；The coffee in beverage making cavity is squeezed by compression blocks Powder is capable of providing the preferable ground coffee degree of compression, and oozes out the grease in ground coffee more sufficiently, brews the better coffee of mouthfeel Coffee.

Preferably, the brew head mechanism further includes compression chamber water inlet pipe and ground coffee water inlet pipe, and passes through the compression Chamber water inlet pipe and the ground coffee water inlet pipe are connected to the water circuit system；The brew head is covered with two through holes, wherein The compression chamber water inlet pipe passes through the chamber of its corresponding pass through aperture and the brew head bodice, drives for the compression blocks Kinetoplast provides active force；The ground coffee water inlet pipe is connected to by its corresponding another through hole with the beverage making cavity, to provide The hot water infused coffee；By above-mentioned two water pipe with different purposes, it is capable of providing different demands, for example, providing Active force or high-pressure water heating or high-pressure water vapor.

Preferably, the brew head mechanism further includes the first sealing ring and the second sealing ring, wherein first sealing ring It is sheathed on the outer peripheral surface of the brew head bodice, and is formed and sealed with the port surface of the beverage making cavity；Second sealing Snare be set to the compression blocks outer peripheral surface on, so as to the compression blocks enter the beverage making cavity after, with the beverage making cavity Inner wall is bonded to form sealing；Due to being provided with two resealings, so that sealing effect is more preferably, further such that provided active force And high-pressure water heating or high-pressure water vapor are made full use of.

Preferably, the driving mechanism includes the motor with output shaft, and the output shaft is fixed with the driving gear Connection, the driving gear rotate under the drive of the output shaft, provide power for coffee machine.

Preferably, the rotation driving lever has shank and tup portion, wherein one end of the shank and the tup portion are solid Fixed connection, the other end of the shank are fixedly connected with the driven gear shaft, and the rotation driving lever is in the driven gear shaft Lower rotation is driven, to trigger first trigger switch or second trigger switch, has maximally utilised coffee machine The confined space, while making structure simple, and can efficiently realize corresponding function.

Preferably, the water circuit system includes: water supply pipe, brews pipeline, pressure relief pipe and function switch, described Water supply pipe brews pipeline and the pressure relief pipe is connected to described respectively by the function switch；The power and energy Switch includes: water inlet, the first water outlet, the second water outlet and third water outlet, wherein the water supply pipe enters described in The mouth of a river and first water outlet and described brew pipeline connection；The water supply pipe is gone out by the water inlet and described second The mouth of a river is connected to the pressure relief pipe；The water supply pipe is discharged remaining by the water inlet and the third water outlet Water；When water supply pipe provides high-pressure water heating, the requirement infused coffee both was met, while having met and using safe requirement.

Preferably, the water supply pipe includes the water tank being set in sequence on water circuit system, flowmeter, water pump and heating It stews, and the heating is stewed and is connected to by pipeline with the water inlet；Thereby, it is possible to provide the hot high pressure for meeting requirement of infusing coffee Water or high-pressure water vapor.

Preferably, the pipeline that brews includes the first triple valve, two-way electromagnetic valve and three-way magnetic valve, wherein described the The valve inlet of one triple valve is connected to the first water outlet of the function switch；One valve of first triple valve goes out Mouth is connected to the two-way electromagnetic valve, and is connected to the corresponding ground coffee water inlet pipe；Another valve of first triple valve Door outlet is connected to the three-way magnetic valve, and is connected to the corresponding compression chamber water inlet pipe；Needed for being infused coffee with offer High-pressure water heating or high-pressure water vapor.

Preferably, the pressure relief pipe includes the second triple valve and pressure release case, wherein a valve of second triple valve Entrance is connected to the second water outlet of the function switch；Another valve inlet of second triple valve and the threeway The valve export of solenoid valve is connected to；The valve export of second triple valve is connected to the pressure release case；Ensure in water supply pipe It, can be in time respectively from pressure relief pipe when the pressure of provided high-pressure water heating or high-pressure water vapor is beyond the case where setting Two valve inlets of the second triple valve carry out pressure release, to ensure the safety of operator.

Compared with prior art, the utility model has the beneficial effects that: there is automatic punching by the utility model The coffee machine for steeping function, can be effectively reduced the range demands of brew head mechanism, driving mechanism, while reducing brew head mechanism Loss, and the preferable ground coffee degree of compression is provided, it oozes out the grease in ground coffee more sufficiently, brews the better coffee of mouthfeel； And since with double sealing structure, coffee overflows when preventing from brewing；In addition, by the water circuit system can infuse coffee with Beat steam function between convert, and have decompression protection, prevent high-pressure water heating and high-pressure water vapor in water route from rapidly spraying, effectively Ground avoids the thus issuable security risk for operator.

Detailed description of the invention

Fig. 1 is the water circuit system schematic diagram of the coffee machine with automatic coffee making function of the embodiments of the present invention；

Fig. 2 is a partial enlarged view of Figure 1；

Fig. 3 is the signal of the brew head mechanism of the coffee machine with automatic coffee making function of the embodiments of the present invention Figure；

Fig. 4 is the signal of the brew head mechanism of the coffee machine with automatic coffee making function of the embodiments of the present invention Figure；

Fig. 5 is the signal of the brew head mechanism of the coffee machine with automatic coffee making function of the embodiments of the present invention Figure；

Fig. 6 is the schematic diagram of the brew head of the coffee machine with automatic coffee making function of the embodiments of the present invention；

Fig. 7 is the coffee machine with automatic coffee making function of the embodiments of the present invention in relation to the schematic diagram of sealing；

Fig. 8 is the water of the coffee machine with automatic coffee making function of the embodiments of the present invention in a process of making coffee Road system schematic；

Fig. 9 is the water of the coffee machine with automatic coffee making function of the embodiments of the present invention in a process of making coffee Road system schematic；

Figure 10 be the coffee machine with automatic coffee making function of the embodiments of the present invention in a process of making coffee Water circuit system schematic diagram；

Figure 11 be the coffee machine with automatic coffee making function of the embodiments of the present invention in a process of making coffee Water circuit system schematic diagram；

Figure 12 be the coffee machine with automatic coffee making function of the embodiments of the present invention in a process of making coffee Water circuit system schematic diagram；

Figure 13 is that the circuit of the control loop of the coffee machine with automatic coffee making function of the embodiments of the present invention shows It is intended to.

Description of symbols

1 gear assembly, 2 first trigger switch, 3 second trigger switch 4 rotates driving lever

5 link assembly, 6 motor, 7 brew head, 8 beverage making cavity

11 driving 12 driven gear of gear, 15 first connecting rod, 16 second connecting rods

The heating of 21 water tank, 22 flowmeter, 23 water pump 24 stews 25 function switch

26 first triple valve, 27 two-way electromagnetic valve, 28 three-way magnetic valve, 29 second triple valve

30 pressure release case, 35 ground coffee, 36 compression chamber water inlet pipe

38 ground coffee water inlet pipe, 40 coffee cup 41 brews 42 brew head bodice of skull

45 compression blocks driving body, 46 compression blocks

47 first 48 second sealing ring of sealing ring, 50 compression chamber

51 for receiving the container of steam

I water inlet

The first water outlet of II

The second water outlet of III

IV third water outlet

The coffee machine of CM the present embodiment

N anode

L cathode

Specific embodiment

In the following, specific embodiment of the utility model is described in detail in conjunction with attached drawing, but practical new not as this The restriction of type.

Due to the application utility model the coffee machine with automatic coffee making function aiming at the problems existing in the prior art It is correspondingly improved, from the range demands of brew head mechanism, driving mechanism are effectively reduced, while reducing brew head mechanism Loss, is designed to header structure is brewed, to avoiding providing high-pressure water heating or ensure to operate during high-pressure water vapor The design in the pressure release water route of person carried out safely, below from solving the problems, such as that the utility model is described in different angles.

In addition, it is necessary to which explanation is all valve bodies appeared in water circuit system in this embodiment, specific water (flow) direction On the basis of combining verbal description, the arrow direction in the water circuit system in figure is needed to refer to, so that clearer understanding is set It counts realized concrete function, and will not do excessive text about the direction that flows in pipeline and repeat, only by related Valve body is described.

Referring to Fig. 1 to Figure 12, the embodiments of the present invention provide a kind of coffee machine with automatic coffee making function, including Brew head mechanism, driving mechanism, water circuit system and control loop, the brew head mechanism are connected to the water circuit system, simultaneously Brewing operation is carried out to the ground coffee 35 in beverage making cavity 8 under the drive of the driving mechanism, the brew head mechanism includes:

Beverage making cavity 8 is configured with the accommodating space of accommodating ground coffee 35；Brew head 7 is configured to have described The first stroke in the accommodating space of beverage making cavity 8 is protruded under the drive of driving mechanism, and under the drive of the driving mechanism Leave the second stroke of the accommodating space；Punch assembly is provided in brew head 7, the punch assembly is configured in the first row Compression operation is carried out to the ground coffee 35 in beverage making cavity 8 at the end of journey；Trigger switch component is set to the control loop, matches It is set to and the first stroke and second stroke of brew head 7 is switched over, and trigger the punch assembly and carry out punching operation；By This, can be effectively reduced the range demands of brew head mechanism, driving mechanism, while reduce the loss of brew head mechanism, and provide 35 degree of compression of preferable ground coffee, oozes out the grease in ground coffee 35 more sufficiently, brews the better coffee of mouthfeel.

To realize that brew head 7 is accurately switched in first stroke and second stroke, particularly in the present embodiment, knot Fig. 3, Fig. 4 and Figure 13 are closed, the trigger switch component includes the first trigger switch 2, the second trigger switch 3 and rotation driving lever 4, In, the one end and the driving mechanism for rotating driving lever 4 are rotatablely connected, and one end to rotate driving lever 4 is axis in the driving machine It is rotated under the drive of structure；First trigger switch 2, the second trigger switch 3 are correspondingly arranged with rotation driving lever 4 respectively, so that rotation is dialled The first trigger switch 2 and the second trigger switch 3 can be triggered in the rotation of bar 4, is achieved in brew head 7 accurately in the position of setting Stop is set, and is accurately switched in the first stroke and the second stroke, in Figure 13, is shown with automatic coffee making The circuit diagram of the control loop of the coffee machine of function.

Wherein, the first trigger switch 2 and the second trigger switch 3 are set to the control loop, and individually control the control The on-off in circuit processed, wherein the first trigger switch 2 is configured to the first stroke of control brew head 7；The configuration of second trigger switch 3 For the second stroke for controlling brew head 7, the case where triggering the first stroke and the second stroke simultaneously generation is avoided, at this In embodiment, for the generation for avoiding afore-mentioned, the first trigger switch 2 and the second trigger switch 3 do not allow to be to control back simultaneously Road closure, the movement in addition done in view of brew head 7 in first stroke and second stroke opposite direction each other, therefore, It is that one of convenient and fast implementation can also be realized by other means, not limited herein certainly that motor 6, which carries out positive and negative rotation, It is fixed；In Figure 13, the first trigger switch 2 and the second trigger switch 3 are configured by way of triggering mutual exclusion, and two power supplys It is reversed with positive N, cathode L, to ensure that motor 6 in the case where different trigger switch closure, realizes positive and negative rotation, in turn Realize that the brew head 7 of the coffee machine of the present embodiment can do the movement of opposite direction in first stroke and the second stroke.

In conjunction with Fig. 3 and Fig. 4, the brew head mechanism further includes gear assembly 1 and link assembly 5: where gear assembly 1 It is rotatablely connected with link assembly 5；Link assembly 5 is fixedly connected with brew head 7；Gear assembly 1 the driving mechanism band Under dynamic, drive link component 5 is moved, and drives brew head 7 mobile, carries out punching operation；Wherein, gear assembly 1 includes each other The driving gear 11 and driven gear 12 of engagement；Link assembly 5 includes first connecting rod 15 and second connecting rod 16,15 He of first connecting rod Second connecting rod 16 is rotatablely connected in the one end to correspond to each other；Wherein, the other end of first connecting rod 15 and the rotation of driven gear 12 connect It connects, the other end of second connecting rod 16 is fixedly connected with brew head 7；Drive gear 11 the driving mechanism drive, driving from Moving gear 12 rotates, and drives brew head 7 mobile by first connecting rod 15 and second connecting rod 16；By driving gear 11 and from Being correspondingly arranged for moving gear 12 and first connecting rod 15 and second connecting rod 16, passes through setting between the component with different function It sets, effectively realizes the movement of brew head 7, meet the range demands for reducing brew head mechanism, driving mechanism, limit to the maximum extent The stroke of brew head 7, avoids stroke excessive.

Referring to Fig. 5 to Fig. 7, brew head 7 includes brew head bodice 42 and brews skull 41, wherein brew head bodice 42 has Have perforative chamber, brew the Single port that skull 41 blocks the chamber, the another port of the chamber shape-ordinatedly with punching The port for steeping chamber 8 forms docking；So that brew head 7 and beverage making cavity 8 are able to achieve sealing during infusing coffee, avoid The spilling of coffee liquid under high pressure conditions is equipped with sealing ring to realize sealing effect on the outer peripheral surface of brew head bodice 42, should Design will be described further below.

To squeeze the ground coffee 35 in beverage making cavity 8, to brew the better coffee of mouthfeel, the punch assembly includes each other The compression blocks driving body 45 and compression blocks 46 of connection；Wherein, compression blocks driving body 45 is with one end shape-ordinatedly from brew head The another port of the chamber of bodice 42 is installed in the chamber of brew head bodice 42, and can be in the chamber of brew head bodice 42 It inside moves back and forth, the round-trip done is exactly to switch between first stroke and second stroke, for sake of convenience only It is stated by moving back and forth；Compression blocks 46 are shape-ordinatedly arranged with beverage making cavity 8, and in the drive of compression blocks driving body 45 Under protrude into the accommodating space of beverage making cavity 8, and can move back and forth, so that compression blocks 46 squeeze in the accommodating space of beverage making cavity 8 Ground coffee 35 in the present embodiment, can be set to flat about the structure of compression blocks 46 and the contact surface of ground coffee 35 Surface, paliform surface or wavy surface, it is not limited here；The coffee in beverage making cavity 8 is squeezed by compression blocks 46 Powder 35 is capable of providing preferable 35 degree of compression of ground coffee, and oozes out the grease in ground coffee 35 more sufficiently, and it is more preferable to brew mouthfeel Coffee.

It should be noted that being put into the accommodating space of beverage making cavity 8 due to during infusing coffee every time 35 quantity of ground coffee number and do not know, for this purpose, carry out the setting of above-mentioned first trigger switch 2 and the second trigger switch 3, That is, the intensity of compression is not fully consistent although being compressed to ground coffee 35, brew head machine is reduced to meet Structure, driving mechanism stroke requirement, just carry out setting of the utility model about trigger switch, meanwhile, prevent due to coffee 35 quantity of powder is excessive, may cause the damage of brew head 7, or even causes the damage of coffee machine.

In order to provide the hot water infused coffee, the brew head mechanism further includes compression chamber water inlet pipe 36 and ground coffee Water inlet pipe 38 referring to figs. 5 and 6, and is connected to by compression chamber water inlet pipe 36 and ground coffee water inlet pipe 38 with the water circuit system； It brews skull 41 to set there are two through hole (not shown), wherein compression chamber water inlet pipe 36 passes through its corresponding pass through aperture With the chamber of brew head bodice 42, chamber is to pass through high-pressure water heating to provide the compression of active force for compression blocks driving body 45 Chamber 50, referring specifically to Fig. 5, in the present embodiment, which drives compression blocks 46 for squeezing compression blocks driving body 45 Squeeze the ground coffee 35 in the accommodating space of beverage making cavity 8；Ground coffee water inlet pipe 38 passes through its corresponding another through hole and brews Chamber 8 is connected to, to provide the hot water infused coffee；By above-mentioned two water pipe with different purposes, it is capable of providing different Demand, for example, provide active force or high-pressure water heating or high-pressure water vapor, about there is high-pressure water heating or high-pressure water vapor is super Out for infusing coffee when needing, how rationally to control, specific design will be described in detail below.

Referring to Fig. 5 and Fig. 7, to meet air-proof condition, the brew head mechanism further includes that the first sealing ring 47 and second is close Seal 48, wherein the first sealing ring 47 is sheathed on the outer peripheral surface of brew head bodice 42, and the port surface shape with beverage making cavity 8 At sealing；Second sealing ring 48 is sheathed on the outer peripheral surface of compression blocks 46, so as to compression blocks 46 enter beverage making cavity 8 after, with punching The inner wall of bubble chamber 8 is bonded to form sealing；Due to being provided with two resealings, so that sealing effect is more preferably, so that provided effect Power and high-pressure water heating or high-pressure water vapor are made full use of.

In order to provide coffee machine operation required power, in the present embodiment, the driving mechanism includes having output shaft Motor 6, the output shaft with driving gear 11 be fixedly connected, driving gear 11 rotated under the drive of the output shaft, and Further drive brew head 7 mobile by link assembly 5.

To efficiently use the confined space inside coffee machine, so that the first trigger switch 2 and the second trigger switch 3 are refined Triggering, rotation driving lever 4 have shank and tup portion, wherein one end of the shank is fixedly connected with the tup portion, the handle The other end in portion is fixedly connected with the driven gear shaft, and rotation driving lever 4 rotates under driven gear shaft drive, with triggering First trigger switch 2 or the second trigger switch 3, have maximally utilised the confined space of coffee machine, while making structure simple It is single, and can efficiently realize corresponding function；About rotation driving lever 4 specific structure, be arranged in the present embodiment with Structure similar in hammer or anchor, i.e., by a shank and coupled tup portion, during swing, in both direction The trigger switch of corresponding setting can be triggered on different location, as long as can be realized in different location, and do not touch simultaneously Under the premise of hair, it is all selectable as the structure of rotation driving lever 4, is not specifically limited herein.

In order to provide, to brewing, figure applies necessary active force, the high-pressure water heating for infusing coffee required or high pressure water steam Vapour, in the present embodiment, referring specifically to Fig. 1,2, Fig. 8 to Figure 12, wherein the water circuit system includes: water supply pipe, brews pipe Road, pressure relief pipe and function switch 25, the water supply pipe brew pipeline with described respectively by function switch 25 It is connected to the pressure relief pipe, is capable of providing corresponding high-pressure water heating and high-pressure water vapor；Function switch 25 include: into Mouth of a river I, the first water outlet II, the second water outlet III and third water outlet IV, wherein the water supply pipe by water inlet I and First water outlet II brews pipeline connection with described；The water supply pipe is let out by water inlet I and the second water outlet III with described Press pipeline connection；Remaining water is discharged by water inlet I and third water outlet IV in the water supply pipe；It is provided in water supply pipe high When pressing hot water, the requirement infused coffee both was met, while having met and using safe requirement.

Wherein, in the present embodiment, function switch 25 can be made of a control switch and corresponding valve body, pass through control The specific access of switch control valve body processed opens or closes, as long as can be realized the function on and off of corresponding access, The needs for meeting the present embodiment, do not further limit herein, regard function switch 25 as one in following narration Entirety is described, so as to concise.

The water supply pipe includes that the water tank 21 being set in sequence on water circuit system, flowmeter 22, water pump 23 and heating stew 24, and heat pot 24 and be connected to by pipeline with water inlet I；Thereby, it is possible to provide meet infuse coffee requirement high-pressure water heating or High-pressure water vapor, and pipeline circulation is entered by the water inlet I of function switch 25.

In order to provide the high-pressure water heating for infusing coffee required or high-pressure water vapor and realize corresponding decompression function, at this In embodiment, the pipeline that brews includes the first triple valve 26, two-way electromagnetic valve 27 and three-way magnetic valve 28, wherein the one or three The valve inlet of port valve 26 is connected to the first water outlet II of function switch 25；One valve export of the first triple valve 26 with Two-way electromagnetic valve 27 is connected to, and is connected to corresponding ground coffee water inlet pipe 38；Another valve export and three of first triple valve 26 Three-way electromagnetic valve 28 is connected to, and is connected to corresponding compression chamber water inlet pipe 36.

In the present embodiment, pressure relief pipe includes the second triple valve 29 and pressure release case 30, wherein the one of the second triple valve 29 Valve inlet is connected to the second water outlet III of function switch 25；Another valve inlet of second triple valve 29 and threeway The valve export of solenoid valve 28 is connected to；The valve export of second triple valve 29 is connected to pressure release case 30；Ensure in water supply pipe institute It, being capable of the second triple valve 29 from pressure relief pipe respectively in time when the pressure of the high-pressure water vapor of offer is beyond the case where setting Two valve inlets carry out pressure release, to ensure the safety of operator.

In the present embodiment, the opening that the coffee machine with automatic coffee making function passes through different accesses in control water circuit system Or close, to realize that the function of brewing function accordingly, beat steam function and make caffe american, specific implementation process are below Corresponding description is done respectively.

Wherein, to realize that brewing function can be found in Fig. 1, the water inlet I of function switch 25, the first water outlet II it is logical Road is opened, other path blockades.Water pump 23 draws water from water tank 21 and stews 24 to heating, and after water heats rapidly, high-pressure water heating is successive The water inlet I of function switch 25, the access of the first water outlet II and the first triple valve 26 are flowed through, the first triple valve 26 is flow to Afterwards, it is divided into two-way, ground coffee water inlet pipe 38 is flowed by two-way electromagnetic valve 27 all the way, another way then passes through three-way magnetic valve 28 and flows 7 brewing coffee of brew head is pushed into compression chamber water inlet pipe 36, can be seen that from the arrow direction in Fig. 1, for clear view function The realization process of the different accesses of change-over switch 25, reference can be made to Fig. 2, is enlarged drawing of the Fig. 1 about function switch 25；Punching After the completion of bubble, in conjunction with Fig. 1 and Fig. 8, coffee is accepted by coffee cup 40；At this point, water pump 23 and heating stew 24 stallings, power and energy The water inlet I of switch 25, the first water outlet II path blockade, the first water outlet II of corresponding function switch 25, second Water outlet III access and water inlet I, third water outlet IV access are opened, ground coffee water inlet pipe 38 and compression chamber water inlet pipe 36 High pressure water respectively along the first water outlet II of function switch 25, the second water outlet III access and three-way magnetic valve 28 with The access that second triple valve 29 is formed is back to 30 pressure release of pressure release case.

As shown in connection with fig. 9, steam function is beaten to realize, steam function is beaten in starting first, and function switch 25 enters water Mouth I, third water outlet IV access are opened, and water pump 23 draws water from water tank 21 heats water rapidly to heating pot 24, then high pressure water Steam passes through and sprays steam along water inlet I, the third water outlet IV access of function switch 25, and be injected directly into for connecing Receive the container 51 of steam；In conjunction with Figure 10, beat after steam finishes, water inlet I, the third water outlet IV of function switch 25 are logical Road closure, the water inlet I of function switch 25, the second water outlet III access are opened, and water pump 23 and heating stew 24 stallings, are remained The water inlet I of remaining high-pressure water vapor entered function change-over switch 25, the condensation of the second water outlet III access and pressure release.

In conjunction with shown in Figure 11, water circuit system, which is slightly transformed, can also brew caffe american, and starting brews American function, and function turns The water inlet I, the first water outlet II access and two-way electromagnetic valve 27 for changing switch 25 are opened, and water pump 23 draws water from water tank 21 to adding Hot pot 24, and water is heated rapidly, then hot water passes through along water inlet I, the first water outlet II access of function switch 25 And it flows into brew head 7 and infuses coffee；As shown in figure 12, after being infused coffee by beating steam, function switch 25 enters water Mouth I, the first water outlet II path blockade, the water inlet I of function switch 25, the second water outlet III access are opened, water pump 23 And heating stews 24 stallings, the water inlet I of residual steam entered function change-over switch 25, the second water outlet III access are condensed and are let out Pressure.

The starting for closing above-mentioned different function in this present embodiment, is correspondingly arranged in control loop with different function Switch by described there is different function switch accurately to open corresponding function, and to brew the coffee of different needs, then this does not do It repeats one by one.

Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new In the protection scope of type.

Claims (15)

1. a kind of coffee machine with automatic coffee making function, including brew head mechanism, driving mechanism, water circuit system and control back Road, the brew head mechanism are connected to the water circuit system, and to brewing intracavitary coffee under the drive of the driving mechanism Coffee powder carries out brewing operation, which is characterized in that the brew head mechanism includes:

Beverage making cavity is configured with the accommodating space of accommodating ground coffee；

Brew head is configured to first in the accommodating space for protruding into the beverage making cavity under the drive of the driving mechanism Stroke, and leave under the drive of the driving mechanism second stroke of the accommodating space；It is provided in the brew head Punch assembly, the punch assembly are configured to carry out compression behaviour to the ground coffee in the beverage making cavity at the end of first stroke Make；

Trigger switch component is set to the control loop, be configured to the first stroke of the brew head and second stroke into Row switching, and trigger the punch assembly and carry out punching operation.

2. the coffee machine according to claim 1 with automatic coffee making function, which is characterized in that the trigger switch component Including the first trigger switch, the second trigger switch and rotation driving lever, wherein

One end of the rotation driving lever and the driving mechanism are rotatablely connected, and are axis described using one end of the rotation driving lever It is rotated under the drive of driving mechanism；

First trigger switch, second trigger switch are correspondingly arranged with the rotation driving lever respectively, so that the rotation First trigger switch and second trigger switch can be triggered in driving lever rotation.

3. the coffee machine according to claim 2 with automatic coffee making function, which is characterized in that first trigger switch It is set to the control loop with second trigger switch, and individually controls the on-off of the control loop, wherein

First trigger switch is configured to control the first stroke of the brew head；

Second trigger switch is configured to control the second stroke of the brew head.

4. the coffee machine according to claim 3 with automatic coffee making function, which is characterized in that the brew head mechanism is also Including gear assembly and link assembly: where

The gear assembly and link assembly rotation connection；

The link assembly is fixedly connected with the brew head；

Under drive of the gear assembly in the driving mechanism, the link assembly is driven to move, and is brewed described in drive Head is mobile, carries out punching operation.

5. the coffee machine according to claim 4 with automatic coffee making function, which is characterized in that the gear assembly includes The driving gear and driven gear being engaged with each other；The link assembly includes first connecting rod and second connecting rod, the first connecting rod It is rotatablely connected with the second connecting rod in the one end to correspond to each other；Wherein,

The other end of the first connecting rod and the driven gear are rotatablely connected, and the other end of the second connecting rod is brewed with described Head is fixedly connected；

The driving gear drives the driven gear to rotate in the drive of the driving mechanism, and passes through the first connecting rod Drive the brew head mobile with the second connecting rod.

6. the coffee machine according to claim 5 with automatic coffee making function, which is characterized in that the brew head includes punching It steeps head bodice and brews skull, wherein

The brew head bodice have perforative chamber, the Single port for brewing skull and blocking the chamber, the chamber Another port shape-ordinatedly forms with the port of the beverage making cavity and docks.

7. the coffee machine according to claim 6 with automatic coffee making function, which is characterized in that the punch assembly includes The compression blocks driving body and compression blocks being connected to each other；Wherein,

Compression blocks driving body is shape-ordinatedly installed from the another port of the chamber of the brew head bodice into described with one end In the chamber of brew head bodice, and it can be moved back and forth in the chamber of the brew head bodice；

The compression blocks are shape-ordinatedly arranged with the beverage making cavity, and protrude under the drive of the compression blocks driving body described The accommodating space of beverage making cavity, and can move back and forth, so that the compression blocks squeeze in the accommodating space of the beverage making cavity Ground coffee.

8. the coffee machine according to claim 7 with automatic coffee making function, which is characterized in that the brew head mechanism is also Including compression chamber water inlet pipe and ground coffee water inlet pipe, and by the compression chamber water inlet pipe and the ground coffee water inlet pipe with it is described Water circuit system connection；The brew head is covered with two through holes, wherein

The compression chamber water inlet pipe passes through the chamber of its corresponding pass through aperture and the brew head bodice, is the compression Block driving body provides active force；

The ground coffee water inlet pipe is connected to by its corresponding another through hole with the beverage making cavity, is infused coffee with offer Hot water.

9. the coffee machine according to claim 8 with automatic coffee making function, which is characterized in that the brew head mechanism is also Including the first sealing ring and the second sealing ring, wherein

First sealing ring is sheathed on the outer peripheral surface of the brew head bodice, and is formed with the port surface of the beverage making cavity Sealing；

Second sealing ring is sheathed on the outer peripheral surface of the compression blocks, to enter the beverage making cavity in the compression blocks Afterwards, it is bonded to form sealing with the inner wall of the beverage making cavity.

10. the coffee machine according to claim 5 with automatic coffee making function, which is characterized in that the driving mechanism packet The motor with output shaft is included, the output shaft is fixedly connected with the driving gear, and the driving gear is in the output shaft Drive under rotate.

11. the coffee machine according to claim 5 with automatic coffee making function, which is characterized in that the rotation driving lever tool Pelmatozoa and tup portion, wherein one end of the shank is fixedly connected with the tup portion, the other end of the shank with it is described Driven gear shaft is fixedly connected, and the rotation driving lever rotates under driven gear shaft drive, to trigger first triggering Switch or second trigger switch.

12. the coffee machine according to claim 8 with automatic coffee making function, which is characterized in that the water circuit system packet Include: water supply pipe brews pipeline, pressure relief pipe and function switch, and the water supply pipe passes through the function switch Pipeline is brewed and the pressure relief pipe is connected to described respectively；

The function switch includes: water inlet, the first water outlet, the second water outlet and third water outlet, wherein

The water supply pipe brews pipeline connection with described by the water inlet and first water outlet；

The water supply pipe is connected to by the water inlet and second water outlet with the pressure relief pipe；

Remaining water is discharged by the water inlet and the third water outlet in the water supply pipe.

13. the coffee machine according to claim 12 with automatic coffee making function, which is characterized in that the water supply pipe packet Include the water tank being set in sequence on water circuit system, flowmeter, water pump and heating stew, and the heating stew pass through pipeline with it is described enter Mouth of a river connection.

14. the coffee machine according to claim 13 with automatic coffee making function, which is characterized in that described to brew pipeline packet Include the first triple valve, two-way electromagnetic valve and three-way magnetic valve, wherein

The valve inlet of first triple valve is connected to the first water outlet of the function switch；First triple valve A valve export be connected to the two-way electromagnetic valve, and be connected to the corresponding ground coffee water inlet pipe；

Another valve export of first triple valve is connected to the three-way magnetic valve, and is intake with the corresponding compression chamber Pipe connection.

15. the coffee machine according to claim 14 with automatic coffee making function, which is characterized in that the pressure relief pipe packet Include the second triple valve and pressure release case, wherein

One valve inlet of second triple valve is connected to the second water outlet of the function switch；

Another valve inlet of second triple valve is connected to the valve export of the three-way magnetic valve；

The valve export of second triple valve is connected to the pressure release case.