CN106308501A - Coffee machine - Google Patents

Abstract

The invention discloses a coffee machine. The coffee machine comprises a boiler, a brewing cavity and a valve body, wherein the brewing cavity communicates with the boiler, a pipeline communicating the brewing cavity with the boiler extends to the bottom of the interior of the boiler, and the valve body comprises a shell, a first flowing path, a closing component and a control port. According to the coffee machine provided by the embodiment of the invention, the structure of the coffee machine is simplified.

Description

Coffee machine

Technical field

The present invention relates to living electric apparatus technical field, particularly to a kind of coffee machine.

Background technology

In correlation technique, the structure complexity cost of coffee machine and water storage heating system thereof is high, is not easy to the universal of coffee machine and makes With, but also cause the difficult in maintenance of coffee machine.It addition, existing boiler has potential safety hazard, and solve pot by electromagnetic valve Furnace gas pressure communicates with air, and structure is complicated, and cost is high.

Summary of the invention

It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.Carry to this end, the invention reside in Going out a kind of coffee machine, simple in construction and performance are more stable.

Coffee machine according to embodiments of the present invention, including: boiler, described boiler includes body of heater and bell, the top of described body of heater Portion has opening, and described bell is located on described body of heater to close or opens described body of heater；Brewing cavity, described brewing cavity and institute State boiler to connect, and the pipeline connecting described brewing cavity and described boiler extends to the bottom in described boiler；Valve body, described Valve body includes housing, first-class path, packaged unit and controls port, and described first-class path is formed at described housing In, and the inlet and outlet setting of described first-class path is on the housing, described first-class path is often in connection State, described packaged unit is arranged on the housing, described packaged unit can by the import of described first-class path and Outlet intercepts, and described control port is arranged on the housing, can control described from described control port input external force Described first-class path is intercepted by packaged unit, and the import of described first-class path connects with described boiler and exports Connect air.

Coffee machine according to embodiments of the present invention, this invention simplifies the structure of coffee machine so that storage coffee-making machine structure is simple, Convenient for production, low cost, operation easy to maintenance and convenient and stability are high.

It addition, coffee machine according to the above embodiment of the present invention, it is also possible to have a following additional technical characteristic:

According to one embodiment of present invention, described coffee machine also includes for driving described packaged unit to described first circulation Path carries out the driving means intercepted, and described driving means connects with the control port of described boiler and described valve body, described Driving means connects formation second path with described boiler, and described first-class path is intercepted by described packaged unit The water that Shi Suoshu driving means is driven through in the described second path described boiler of driving flows to described wine by described pipeline Make chamber.

According to one embodiment of present invention, at least some of of described packaged unit is cutting off and is connecting described first-class path It is located in described housing to conversion between the state in footpath, and described packaged unit is often in the position connecting described first-class path Put.

According to one embodiment of present invention, described packaged unit by the inlet and outlet of described first-class path respectively with institute State control port to separate,

According to one embodiment of present invention, described housing includes: pedestal, and described pedestal is formed described control port；Lid Body, described cover cap is on pedestal and limits cavity, the inlet and outlet of described first-class path is formed at described lid On, wherein, described packaged unit is spaced apart with described control port by described inlet and outlet.

According to one embodiment of present invention, described pedestal is provided around the annular protrusion of described control port, described lid Be set in the framework shape outside described annular protrusion in opening, the opening of described lid coordinates folder with described annular protrusion Tight described packaged unit.

According to one embodiment of present invention, described packaged unit includes: annular sidewall, flexure strip, and described flexure strip is closed One end of described annular sidewall, and described flexure strip can in blocking described import and described outlet at least one and enter described in making Elastic deformation between the position that mouth and described outlet are connected, described flexure strip is often in and makes described import and described outlet connection Position；Installation portion, described installation portion is located at the other end of described annular sidewall and extends to the outside of described annular sidewall, institute State pedestal and described lid is matched for clamping tightly described installation portion.

According to one embodiment of present invention, described outlet is formed on the roof of described lid, and described import is formed at described On the sidewall of lid, described flexure strip arranges with closure adjacent to the inner top surface of described lid or opens described outlet, and described bullet Property sheet be often in towards deviate from described cover plate inner top surface direction depression shape.

According to one embodiment of present invention, described boiler also includes the position for closing described body of heater in the deviation of described bell Time the safety switch that is triggered.

According to one embodiment of present invention, described safety switch is microswitch, and described safety switch is affixed with described body of heater, And the contact of described safety switch is arranged towards described bell.

According to one embodiment of present invention, described safety switch is located at the side towards described body of heater of described bell, described When bell is in the position closing described body of heater, described bell props up the contact of described safety switch.

According to one embodiment of present invention, described boiler is provided with the temperature sensing of the temperature for detecting described boiler internal The liquid level sensor of the water level being additionally provided with on device, and described boiler in detecting described boiler.

According to one embodiment of present invention, described driving means is air pump.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the coffee machine of one embodiment of the invention.

Fig. 2 is the sectional view of the valve body of the coffee machine of one embodiment of the invention.

Fig. 3 is the exploded perspective view of the valve body of the coffee machine of one embodiment of the invention.

Reference:

Coffee machine 100,

Valve body 1, import 101, export 102, control port 103, housing 11, pedestal 111, annular protrusion 1111, prop up Dagger 1112, lid 112, connecting portion 1121, packaged unit 12, annular sidewall 121, flexure strip 122, installation portion 123,

Boiler 2, body of heater 21, bell 22, safety switch 23, temperature sensor 24, liquid level sensor 25,

Brewing cavity 3, pipeline 31,

Driving means 4.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.

Shown in Fig. 1 and Fig. 2, coffee machine 100 according to embodiments of the present invention, including: boiler 2, valve body 1 and brewage Chamber 3.

Specifically, boiler 2 includes body of heater 21 and bell 22, and the top of body of heater 21 has opening, and bell 22 is located at body of heater To close or to open body of heater 21 on 21.Brewing cavity 3 is connected with boiler 2, and connects brewing cavity 3 and the pipeline 31 of boiler 2 Extend to the bottom in boiler 2.

Valve body 1 includes: housing 11 and packaged unit 12.First-class path, and first-class path it is formed with in housing 11 The import 101 in footpath, outlet 102 are both formed on housing, and first-class path is often in connected state.Packaged unit 12 sets On housing 11, the inlet and outlet of first-class path can be intercepted by packaged unit 12, and housing 11 is provided with control Port 103 processed, inputs external force and can control packaged unit 12 from controlling port 103 and intercept first-class path, the The import 101 of one circulation path connects with boiler 2 and exports 102 connection air.

Coffee machine 100 according to embodiments of the present invention, by arranging valve body 1, in boiler 2 normal heating process, boiler 2 Connect with outside air so that the air pressure in boiler 2 is unanimous on the whole with outside air, it is to avoid the water not heated is drained into In brewing cavity；After boiler 2 has heated, packaged unit 12 is driven to change to the state cutting off first-class path so that Air pressure in boiler 2 raises, and is delivered in brewing cavity 3 by the hydraulic pressure in boiler 2.

This invention simplifies the structure of coffee machine so that coffee-making machine structure is simple, convenient for production in storage, low cost, easy to maintenance And conveniently operation and stability are high.

Valve body 1 includes housing 11 and packaged unit 12.It is formed with import 101, outlet 102 on housing 11 and controls port 103, import 101 connects boiler 2, outlet 102 connection outside airs, and packaged unit 12 be located at shell at least partially In body 11, and packaged unit is cutting off the closed state of import 101 and outlet 102 and is making import 101 and outlet 102 connection On-state between convertible, packaged unit 12 often (sees Fig. 2) in an ON state, say, that packaged unit 12 Often it is in and makes boiler 2 connect open to atmosphere state.

In conjunction with Fig. 1 and Fig. 2, in some embodiments of the invention, coffee machine 100 also includes driving means 4, driving means 4 are used for driving packaged unit 12 to intercept first-class path, say, that driving means 4 can drive packaged unit 12 change to described detent position, and driving means 4 connects with boiler 2, and the control port 103 of driving means 4 and valve body 1 Connection, to drive packaged unit 12 to change to closed state, driving means 4 connects formation second path with described boiler 2 Footpath, it addition, when first-class path is intercepted by packaged unit 12, driving means 4 can pass through second path The water in boiler 2 is driven to flow to brewing cavity 3 by pipeline 31.

It addition, in some embodiments of the invention, driving means 4 is air pump, and valve body 1 is by driving means 4 product Air pressure commutates: time driving means 4 is idle, boiler 2 communicates with air all the time, when driving means 4 works, and valve body 1 Commutating under driving means 4 pressure effect, close the pipeline that boiler 2 communicates with air, make boiler 2 seal, hot water can only From brewageing pipeline out, reaching brewing coffee effect, when driving means 4 quits work, valve body 1 restores to the original state again.Valve body 1 Three pivotal roles are had: 1, make valve body 1 commutate, brewing coffee with driving means 4 combination；2, hot water is after rolling, drives The gas of device 4 can also dry up water remaining inside brewing cavity 3, solves dripping problems；3, inside boiler 2 when heating All the time communicating with air, only when driving means 4 works, boiler 2 just seals, and outer effect just produces pressure, so solves Determine boiler 2 safety problem.

It addition, the present invention can close boiler 2 by driving valve body 1, and continue to heat, boiler by the steam in boiler Pressure drives the current direction brewing cavity 3. in boiler 2

In order to add water in boiler 2, boiler 2 can be configured with the form of boiler lid, thus by beating on an off Close boiler lid and realize opening or closing the purpose of boiler 2, and water can be injected when opening boiler 2.It addition, also may be used To supply water in boiler 2 by arranging water tank, such as by water pump by the such as boiler 2 of the water pump in water tank；Water tank is put on by The water in water tank 11 is made to enter boiler 2 etc. under gravity.

Further, with reference to Fig. 2, it is spaced apart with import 101 and outlet 102 that packaged unit 12 will control port 103.From And facilitate the assembling of valve body 1, molding and control.

With reference to Fig. 1, at least some of of packaged unit 12 is cutting off and is connecting between the state of first-class path switchably Being located in housing 11, packaged unit is often in the position connecting first-class path.

Further, import 101 and outlet 102 are located at the side of packaged unit 12, and control port 103 is located at closure The opposite side of part 12, say, that packaged unit 12 will control port 103 and be spaced with import 101 and outlet 102 respectively Opening, in conjunction with Fig. 1, control port 103 and arrange the downside of packaged unit 12, import 102 is located at packaged unit with outlet 102 The upside of 12 is when valve body 1 is not affected by External Force Acting, and import 101 and outlet 102 connection, medium can be import 101 He Circulate between outlet 102；Cut off import 101 and outlet 102 at external drive packaged unit 12, say, that medium without Method is by circulating between import 101 and outlet 102；When external drive stops driving valve body 1, packaged unit 12 returns back to On-state.It addition, import 102 is interchangeable with the position of outlet 101.

With reference to Fig. 2, in some embodiments of the invention, housing 11 includes pedestal 111 and lid 112, and lid 112 covers On pedestal 111, and pedestal 111 limits cavity with lid 112, controls port 103 and is formed on pedestal 111, enters Mouth 101 and outlet 102 are formed on lid 112.Wherein, packaged unit 12 by import 101 and outlet 102 and controls end Mouth 103 is spaced apart.

It addition, lid 112 can framework shape in the open at one end towards pedestal 111,

Preferably, with reference to Fig. 2, packaged unit 12 be located at least partially between pedestal 111 and lid 112 and respectively with Pedestal 111 and lid 112 are tightly connected.Drive packaged unit 12 to deform such that it is able to convenient, reduce driving means (such as Air pump) pressure release causes valve body 1 cannot be stably maintained at detent position.

With reference to Fig. 2, in some embodiments of the invention, the surface of pedestal 111 is provided around controlling the annular of port 103 Protruding 1111, in opening, (i.e. the lower end of lid 112 in Fig. 2) is set in outside annular protrusion 1111 lid 112 Framework shape.Lid 112 is enclosed within annular protrusion 1111, the sealing between pedestal 111 and lid 112 can be improved Can, but also facilitate the assembling between pedestal 111 and lid 112 and location.

Further, with reference to Fig. 2, the perisporium of lid 112 is outwardly step-like of opening, the opening of lid 112 (i.e. the lower end of lid 112 in Fig. 2) and annular protrusion 1111 are matched for clamping tightly packaged unit 12.Facilitate lid further Location between 112 and pedestal 111, and it is matched for clamping tightly packaged unit 12 by step-like structure and annular protrusion 1111, Stability and the sealing property of packaged unit 12 can be improved.

Advantageously, as it is shown on figure 3, circumferentially spaced on pedestal 111 be disposed with multiple support column 1112, edge on lid 112 Circumferentially-spaced being disposed with multiple connecting portion 1121, support column 1112 is connected with connecting portion 1121 bolt correspondingly.Convenient Lid 112 and the connection of pedestal 111, make housing 11 easy to assembly, good seal performance.

End cap is used to close, be integrally formed it addition, the housing 11 of the present invention can also be other structures, such as cylinder and two ends Deng.The above-mentioned description to housing 11 is only some specific embodiments of the present invention, it is impossible to be interpreted as scope Limit.

As in figure 2 it is shown, in some embodiments of the invention, packaged unit 12 includes: annular sidewall 121, flexure strip 122 With installation portion 123.Specifically, one end (i.e. annular sidewall 121 in Fig. 2 of flexure strip 122 closed ring sidewall 121 Upper end), flexure strip 122 can in closure import 101 with outlet 102 at least one and make import 101 and 102 connect with exporting Elastic deformation between logical position, and flexure strip 122 is often in the positions making import 101 with outlet 102 connection.Installation portion 123 other ends (i.e. the lower end of annular sidewall 121 in Fig. 2) being located at annular sidewall 121 outside annular sidewall 121 Side extends, and pedestal 111 and lid 112 are matched for clamping tightly installation portion 123.Import 101 and outlet is blocked by flexure strip 122 At least one in 102 realizes cutting off import 101 and the purpose of outlet 102, can improve packaged unit 12 at detent position Stability.

It addition, be matched for clamping tightly installation portion 123 by pedestal 111 and lid 112 to realize the fixing, not only of packaged unit 12 The assembling of valve body 1 can be simplified, but also the sealing of valve body 1 can be improved.

Further, as in figure 2 it is shown, outlet 102 is formed on the roof of lid 112, import 101 is formed at lid 112 Sidewall on, the inner top surface of flexure strip 122 adjacent caps 112 arranges with closure or opens outlet 102, and flexure strip 122 Often it is in the shape of the direction depression towards the inner top surface deviating from lid.By the deformation of flexure strip 122, can easily block Outlet 102.

On-state flexure strip 122 can towards deviate from outlet 102 Direction distortion (i.e. Fig. 2 Elastic sheet 122 is to recessed Fall into), under closed state flexure strip 122 is at gas pressure towards outlet 102 deformation (time i.e. flexure strip 122 is protruding upward Shape) and block outlet 102.

Air pressure in flexure strip 122 both sides close to time (when driving means 14 does not work), flexure strip 122 will be in court Deviate from the shape of the direction depression of outlet 102, now import 101 and outlet 102 conducting；Due to driving means 4 connection control Port 103 processed, when driving means works, flexure strip 122 deviates from the side (downside of flexure strip 122) of outlet 102 Pressure increase, when air pressure is increased sufficiently to make the pressure that flexure strip 122 deforms, flexure strip 122 deforms, i.e. bullet Property sheet 122 be converted into and protrude and block outlet 102 to outlet 102, thus by import 101 with export 102 and separate；Driving When dynamic device quits work, flexure strip 122 returns to normal, i.e. flexure strip 122 is recessed by being in the direction towards deviating from outlet 102 The shape fallen into.

Wherein, the roof of described lid 112 refers to that lid 112 deviates from the wall of pedestal 111 side, covers the most as shown in Figure 2 The roof of body 112.

Alternatively, it is also possible to close import 101 by flexure strip 122 to separate import 101 and outlet 102, but this mode It is easily subject to the impact of the air pressure of import 101.

In a concrete example of the present invention, the silicon rubber cup that packaged unit 12 is formed in one.Facilitate packaged unit 12 Molding, but also packaged unit 12 can be facilitated stably to deform between closed state and on-state.

During using this valve body 1, in housing 11, apply pressure (such as air pressure) by controlling port 103, envelope Flexure strip 122 moral integrity of closing part part 12, seals the pipeline between import 101 and outlet 102, after external pressure stops, closing Parts 12 are restored to on-state, make import 101 connect with outlet 102.

Further, with reference to Fig. 1, boiler 2 also includes being triggered during the position for deviateing closed furnace body 21 at bell 22 Safety switch 23.Wherein, the position that described bell 22 deviates closed furnace body 21 refers to, bell 22 is from closed furnace body 21 Preset distance is moved to the position opening body of heater 21 in position.

By being provided with safety switch 23, the situation of bell 22 can be detected rapidly, can be in the process opening bell 22 In rapidly control stop heating, start safeguard protection effect.It addition, when driving means works, safety open can be passed through Close the situation of 23 detection bells 22, during bell 22 is opened, driving means 4 can be stopped and running, to avoid pot The potential safety hazard that high pressure in stove 2 causes.

Advantageously, safety switch 23 is microswitch, and safety switch 23 is affixed with body of heater 21, and safety switch 23 touch Point is arranged towards bell 22.Microswitch is set and can the most quickly detect the opening and closing situation of bell 111, can be at stove When covering 111 faults or be accidentally opened, power-off rapidly.

Wherein, the contact of safety switch 23 at least includes towards bell 22: safety switch 23 is located at bell 22 towards body of heater The side (with reference to the downside of bell 22 in Fig. 1) of 21, will unclamp safety switch to open position when bell 22 moves 23 cause safety switch to be triggered；Safety switch 23 is located at bell 22 and deviates from the side of body of heater 21 (with reference to bell in Fig. 1 The upside of 22), safety switch can be touched when bell 22 moves to open position thus cause safety switch to be triggered.In the past As a example by a kind of mode.

Specifically, with reference to Fig. 1, safety switch 23 is located at the side towards body of heater 21 of bell 22 (i.e. such as stove in Fig. 1 The downside of lid 22), when bell 22 is in the position of closed furnace body 21, bell 22 props up the contact of safety switch 23.The most just It is that bell 22 props up the contact of safety switch 23 when bell 22 is in the position of closed furnace body 21, at bell 22 to beating When the position of blow-on body 21 is moved, bell 22 will unclamp safety switch 23 thus cause safety switch 23 to be triggered.

Wherein, " the triggering safety switch " alleged by the present invention refers to that the state (being opened or closed) of safety switch changes.

It addition, in the boiler 2 that bell 22 is threadeded with body of heater 21, shake-up boss can be arranged on bell 22, touches The structures such as dynamic groove realize triggering safety switch.

One of ordinary skill in the art will appreciate that can also arrange water tank and water pump combination or on the knot such as the water tank put The purpose that structure realizes adding water boiler 2 etc..

With reference to Fig. 1, in some embodiments of the invention, boiler 2 is provided with the temperature for detecting the temperature within boiler 2 Sensor 24.Such that it is able to the real-time temperature understood in boiler 2, in order to the temperature in boiler 2 reaches predetermined temperature Time enter next step operation, be possible not only to improve efficiency, but also energy consumption can be reduced.

Temperature sensor 24 can be in boiler top, bottom or side.

Further, with reference to Fig. 1, boiler 2 is provided with liquid level sensor 25.Understood in boiler 2 by liquid level sensor 25 Liquid level, improve the safety and stability of boiler 2, but also quantitative water heating can be realized.

With reference to Fig. 1, the invention allows for the control method of a kind of coffee machine, described coffee machine is present invention institute The coffee machine stated, described method includes: after adding appropriate water in described boiler heat boiler, and is heating boiler During by valve body make boiler connect air；After having heated, described driving means is run and is driven the conversion of described valve body to envelope Closed state, and drive the water in boiler to flow to brewing cavity by described pipeline by driving means.

The control method of coffee machine according to embodiments of the present invention, by arranging valve body, in boiler normal heating process, pot Stove is connected with outside air so that the air pressure in boiler is unanimous on the whole with outside air, it is to avoid the water not heated is drained into In brewing cavity；After boiler has heated, driving means drives valve body to change to closed state, and drives the water in boiler to lead to Cross pipeline to flow in brewing cavity.

In some embodiments of the invention, driving means is air pump.

Specifically, in conjunction with Fig. 1 and Fig. 2, when the coffee machine 100 of the present invention works:

First pass through water tank 5 to add water in boiler 2；

Then heating boiler 2, now the flexure strip 122 of packaged unit 12 is in the shape of concave downward so that gas circuit (is entered Passage between mouth 101 and outlet 102) to connect, the steam in heating process can be from outlet 102 discharge, in boiler 2 Air pressure be not more big changes, substantially the most identical with the air pressure of outside air；

Finally, the temperature (the most directly detecting water temperature) in boiler 2 is detected by temperature sensor 15, in boiler 2 When water temperature reaches predetermined temperature, stop heating, start driving means, under the effect of driving means, the bullet of packaged unit 12 Property sheet 122 change to the shape raised up, valve body 1 is changed to closed state, makes boiler 2 and outside air disconnect, this Time driving means work will increase the air pressure in boiler 2, the effect of air pressure will make the hot water in boiler 2 be drained into brewage In chamber 3.

Stopping driving means, flexure strip returns back to recessed shape.

Under not having External Force Acting, the import 101 of valve body 1 is connected all the time with outlet 102, say, that boiler 2 connects all the time Logical air.Integrated boiler, pouring in boiler, cover bell, boiler begins to warm up.Valve body in boiler heating process Import 101 is connected all the time with outlet 102, say, that air connected all the time by boiler 2.After boiler is heated to predetermined temperature, Stopping heating, air pump works, and valve body, under external pressure effect, intercepts import 101 and outlet 102, and making boiler is closed State, hot water flows out to brewing cavity, reaches the effect of brewing coffee.After water is drained in boiler, capsule, gas can be dried up again simultaneously Pump quits work, and valve body packaged unit 12 resets.

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this Bright restriction.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.

In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first Levy level height less than second feature.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory Row combines and combination.

Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary, Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment It is changed, revises, replaces and modification.

Claims (13)

1. a coffee machine, it is characterised in that including:

Boiler, described boiler includes that body of heater and bell, the top of described body of heater have opening, and described bell is located on described body of heater to close or opens described body of heater；

Brewing cavity, described brewing cavity is connected with described boiler, and the pipeline connecting described brewing cavity and described boiler extends to the bottom in described boiler；

Valve body, described valve body includes housing, first-class path, packaged unit and control port, described first-class path is formed in described housing, and the inlet and outlet of described first-class path is arranged on the housing, described first-class path is the most in an ON state, described packaged unit is arranged on the housing, the inlet and outlet of described first-class path can be intercepted by described packaged unit, described control port is arranged on the housing, described packaged unit can be controlled from described control port input external force described first-class path is intercepted, the import of described first-class path connects with described boiler and exports connection air.

Coffee machine the most according to claim 1, it is characterized in that, described coffee machine also includes the driving means for driving described packaged unit to intercept described first-class path, described driving means connects with the control port of described boiler and described valve body, described driving means connects formation second path with described boiler, and when described first-class path is intercepted by described packaged unit, described driving means drives the water in described boiler to flow to described brewing cavity by described pipeline by described second path.

Valve body the most according to claim 1, it is characterized in that, the at least some of of described packaged unit is located in described housing to conversion between partition and the state connecting described first-class path, and described packaged unit is often in the position connecting described first-class path.

Valve body the most according to claim 3, it is characterised in that the inlet and outlet of described first-class path is separated by described packaged unit respectively with described control port.

5. according to the coffee machine according to any one of claim 1-4, it is characterised in that described housing includes:

Pedestal, described pedestal is formed described control port；

Lid, described cover cap is on pedestal and limits cavity, and the inlet and outlet of described first-class path is formed on described lid,

Wherein, described packaged unit is spaced apart with described control port by described inlet and outlet.

Coffee machine the most according to claim 5, it is characterized in that, being provided around the annular protrusion of described control port on described pedestal, described lid is the framework shape that opening is set in outside described annular protrusion, and the opening of described lid and described annular protrusion are matched for clamping tightly described packaged unit.

Coffee machine the most according to claim 5, it is characterised in that described packaged unit includes:

Annular sidewall,

Flexure strip, one end of described annular sidewall closed by described flexure strip, and described flexure strip can in blocking described import and described outlet at least one and make elastic deformation between the position that described import and described outlet connect, described flexure strip is often in the position making described import connect with described outlet；

Installation portion, described installation portion is located at the other end of described annular sidewall and extends to the outside of described annular sidewall, and described pedestal and described lid are matched for clamping tightly described installation portion.

Valve body the most according to claim 7, it is characterized in that, described outlet is formed on the roof of described lid, described import is formed on the sidewall of described lid, described flexure strip arranges with closure adjacent to the inner top surface of described lid or opens described outlet, and described flexure strip is often in the shape of the direction depression towards the inner top surface deviating from described cover plate.

9. according to the coffee machine according to any one of claim 1-8, it is characterised in that described boiler also includes the safety switch being triggered during the position for closing described body of heater in the deviation of described bell.

Coffee machine the most according to claim 9, it is characterised in that described safety switch is microswitch, described safety switch is affixed with described body of heater, and the contact of described safety switch is arranged towards described bell.

11. coffee machines according to claim 10, it is characterised in that described safety switch is located at the side towards described body of heater of described bell, and when described bell is in the position closing described body of heater, described bell props up the contact of described safety switch.

12. coffee machines according to claim 1, it is characterised in that described boiler is provided with the temperature sensor of the temperature for detecting described boiler internal, and the liquid level sensor of the water level being additionally provided with on described boiler in detecting described boiler.

13. coffee machines according to claim 1, it is characterised in that described driving means is air pump.