CN107811514A - Coffee machine - Google Patents
Coffee machine Download PDFInfo
- Publication number
- CN107811514A CN107811514A CN201610826055.7A CN201610826055A CN107811514A CN 107811514 A CN107811514 A CN 107811514A CN 201610826055 A CN201610826055 A CN 201610826055A CN 107811514 A CN107811514 A CN 107811514A
- Authority
- CN
- China
- Prior art keywords
- coffee
- chamber
- filter screen
- grinding
- screen net
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/42—Beverage-making apparatus with incorporated grinding or roasting means for coffee
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
- A47J31/0642—Filters or strainers for coffee or tea makers ; Holders therefor specially adapted to cooperate with a cartridge, e.g. having grooves or protrusions to separate cartridge from the bottom of the brewing chamber
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/10—Coffee-making apparatus, in which the brewing vessel, i.e. water heating container, is placed above or in the upper part of the beverage containers i.e. brewing vessel; Drip coffee-makers with the water heating container in a higher position than the brewing vessel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
Abstract
The present invention discloses a kind of coffee machine, including：Grinding chamber, including cavity and lid, lid capping cavity form grinding chamber, and the bottom of the grinding chamber is provided with beverage outlet；Lapping device, including the grinding knife group in grinding chamber, the motor outside grinding chamber for driving grinding knife group to rotate；Coffee screen net, grinding knife group periphery is located on, and the top of Coffee screen net is tightly connected with lid, the bottom wall of lower end and grinding chamber abuts against, and grinding chamber is divided into mill beans chamber and the beverage chamber positioned at mill beans chamber periphery, beverage outlet beverage chamber is set；And hot-water supply device, connected with grinding chamber, to square into pressure space thereon after the hot water of preset volume is fed to mill beans intracavitary hot-water supply, mill beans intracavitary.Technical scheme can realize that the minute-pressure of coffee brews, to brew to obtain more dense coffee.
Description
Technical field
The present invention relates to household appliance technical field, more particularly to a kind of coffee machine.
Background technology
At present, in normal coffee machine, filter screen is provided with beverage making cavity, when infusing coffee, coffee is first generally put into filter screen
Coffee powder, then hot water is poured into filter screen, to form coffee to brew.It is appreciated that such a coffee is brewed at ambient pressure,
In this way, ground coffee is difficult to sufficiently be infiltrated, cause the coffee for brewing gained not dense enough.
The content of the invention
The main object of the present invention is to propose a kind of coffee machine, it is intended to realizes that the minute-pressure of coffee brews, to brew to obtain more
For dense coffee.
To achieve the above object, coffee machine proposed by the present invention includes：
Cavity and lid, the lid cover the cavity and form grinding chamber, and the bottom of the grinding chamber goes out provided with beverage
Mouthful；
Lapping device, including grinding knife group in the grinding chamber, be used to outside the grinding chamber driving it is described
The motor that grinding knife group rotates；
Coffee screen net, the grinding knife group periphery is located on, and the top of the Coffee screen net connects with lid sealing
Connect, the lower end of the Coffee screen net and the bottom wall of the grinding chamber are abutted against, and the grinding chamber is divided into mill beans chamber and is located at
The beverage chamber of the mill beans chamber periphery, beverage chamber described in the beverage outlet are set；And
Hot-water supply device, connected with the grinding chamber, to grind beans intracavitary hot-water supply, the mill beans intracavitary to described
It is square into pressure space thereon after the hot water of preset volume is fed.
Preferably, connected between the top of the Coffee screen net and the lid by the first sealing ring radial seal.
Preferably, the lid, which is provided with, stretches into the Coffee screen net top and is in the form of a column the jut of setting, the projection
First sealing ring is provided between the inner peripheral surface on the top of the outer peripheral face in portion and the Coffee screen net.
Preferably, first sealing ring includes the sealing sheet that annular in shape and along the grinding chamber axial direction extends
Body, the lateral surface of the seal body are provided with least one circle seal bead set in a ring, and the seal bead elasticity contradicts
Inner peripheral surface in the Coffee screen net top.
Preferably, the radially outward direction extension of grinding chamber described in the upper end edge of the seal body is provided with spacing flange,
The upper surface of the Coffee screen net contacts at the spacing flange.
Preferably, the second sealing ring is provided between the top of the Coffee screen net and the top of the cavity.
Preferably, the lateral surface on the Coffee screen net top is provided with the locating ring that positioning is arranged for second sealing ring
Groove, second sealing ring is partially protrude through the positioning ring groove, and elasticity contacts at the medial surface on the cavity top.
Preferably, seal washer is provided between the upper surface of the inner face of the lid and the Coffee screen net.
Preferably, the cavity is provided with the ring-shaped step for lid inner face edge overlap joint, the coffee on top
The upper surface of filter screen is higher than or flushed in the ring-shaped step, and the seal washer, which also pads, is located at the ring-shaped step and the lid
Between the medial surface edge of body.
Preferably, the Coffee screen net is all-metal filter screen.
Preferably, the filter opening of the all-metal filter screen is located at the middle part and/or bottom of the all-metal filter screen.
Preferably, the Coffee screen net includes being located on the filter screen body of the grinding knife group periphery and being cylindrical in shape setting
The fixed frame put, the lower axial end of the fixed frame are fixedly connected on the upper axial end of the filter screen body, the filter screen body
Lower axial end be the Coffee screen net lower end, the axial top of the fixed frame is the top of the Coffee screen net.
Preferably, the filter screen body is metalwork, and the fixed frame is working of plastics, and the fixed frame passes through injection molding manner
Fixed with the filter screen body.
Preferably, the bottom wall of the cavity is provided with boss, and the filter screen body is set on the boss, to be positioned at
State in grinding chamber.
Preferably, the air pressure in the pressure space is more than or equal to 1bar and is less than or equal to 2bar.
Preferably, the air pressure range in the pressure space is 1.3bar~1.7bar.
Preferably, the Coffee screen net includes the first filter screen body for being located on grinding knife group periphery and at least
It is located on the second filter screen body of the first filter screen body lower part periphery, and the first filter screen body and second filter screen
Bottom wall of the body lower end with the grinding chamber abuts against, between the first filter screen body and the second filter screen body
Limit out the secondary filter chamber between the mill beans chamber and the beverage chamber.
In technical scheme, top and the lid of Coffee screen net are tightly connected, in this way, can be supplied by adjusting hot water
The outle water rate of device is answered, outle water rate is more than the rate of output water of Coffee screen net, the filter opening portion in Coffee screen net is covered when water
Timesharing a, you can pressure space is formed at the top in Coffee screen net, is brewed to carry out minute-pressure to coffee, so as to fully infiltrate
Ground coffee, so that the coffee for brewing out is more dense.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of coffee machine one of the present invention；
Fig. 2 is the part-structure schematic diagram of coffee machine in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram at A in Fig. 2；
Fig. 4 is the part-structure schematic diagram of another embodiment of coffee machine of the present invention；Wherein, the filter screen body of Coffee screen net is hidden
Hide.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical scheme between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical scheme is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
The present invention proposes a kind of coffee machine.
Reference picture 1, in an embodiment of the present invention, the coffee machine include：
Support 7；
Grinding chamber 1, including cavity 11 and lid 12, cavity 11 are arranged on support 7, and lid 12 covers the formation of cavity 11 and ground
Mill chamber 10, the bottom of the grinding chamber 10 are provided with beverage outlet 13；
Lapping device 2, including grinding knife group 21 in grinding chamber 10, be used to outside grinding chamber 10 to drive grinding knife
The motor 22 that group 21 rotates；
Coffee screen net 3, the periphery of grinding knife group 21 is located on, and the top of Coffee screen net 3 is tightly connected with lid 12, coffee
The lower end of filter screen 3 and the bottom wall of grinding chamber 10 are abutted against, and grinding chamber 10 is divided into mill beans chamber 101 and positioned at mill beans chamber 101
The beverage chamber 102 of periphery, beverage outlet 13 connect beverage chamber 102 and set；
Hot-water supply device 8, connected with grinding chamber 10, to the hot-water supply into mill beans chamber 101, in mill beans chamber 101
It is square into pressure space thereon after the hot water for feeding preset volume；And
Electric control gear (not shown), is electrically connected with lapping device 2 and hot-water supply device 8, to control grinding to fill
Put 2 and hot-water supply device 8 work.
In the present embodiment, the hot water of preset volume refers to the hot water volume for the filter opening part that can cover Coffee screen net 3；Can be with
Understand, because Coffee screen net 3 has certain throttling action, the hot water of preset volume be rapidly injected by hot-water supply device 8,
And after making the filter opening part that hot water covers Coffee screen net 3, the hot water water level outside Coffee screen net 3 can be less than in Coffee screen net 3
Water level, now, continue to be rapidly injected hot water, the pressure space can be formed on the top in Coffee screen net 3.
In the technical scheme of the present embodiment, top and the lid 12 of Coffee screen net 3 are tightly connected, in this way, can pass through tune
The outle water rate of hot-water supply device 8 is saved, outle water rate is more than the rate of output water of Coffee screen net 3, when water covers Coffee screen net 3
In filter opening part when, you can the pressure space is formed at the top in Coffee screen net 3, come to coffee carry out minute-pressure brew,
So as to fully infiltrate ground coffee, so that the coffee for brewing out is more dense.It should be noted that in the present embodiment, in hot water
Feeding mechanism 8 is after into mill beans chamber 101, the hot water amount that injects reaches preset value, can also continue to by hot-water supply device 8 to
Injection air in beans chamber 101 is ground, to increase or keep the air pressure in the pressure space, coffee liquid is continued so as to realize
Minute-pressure brews.
In the present embodiment, further, the air pressure in the pressure space is more than or equal to 1bar and is less than or equal to
2bar, to avoid the air pressure in the pressure space excessive, it will be understood that pressure crosses conference and quickly increases going out for Coffee screen net 3
Water speed rate, influence the infiltrating time of ground coffee.In addition, brew effect to obtain effective minute-pressure, the gas in the pressure space
Pressure can not be too small, in this way, the air pressure range in the pressure space is typically limited to 1.3bar~1.7bar.Need what is illustrated
It is the coffee machine for determining model, the gross area provided with filter opening and filter opening mesh number of Coffee screen net 3 are typically set
, it is set so as to the throttling action of Coffee screen net 3, in this case, can be obtained by testing needed for hot-water supply device 8
Outle water rate, to cause the pressure space that there is suitable air pressure.
In the present embodiment, specifically, hot-water supply device 8 includes the feed pipe of boiler 81, connection boiler 81 and grinding chamber
82 and the water pump 83 that is arranged on feed pipe 82.In the present embodiment, boiler 81 has water space, and to water storage is empty
Interior water is heated into hot water, and passing through feed pipe 82 with supply-water pump 83 injects mill beans intracavitary.It should be noted that the present embodiment
In, the water pump 83 also has the function that to mill beans chamber injection air.Right the design not limited to this, in other embodiment, hot water
Feeding mechanism 8 may include feed pipe and the water pump being arranged on feed pipe and the heating of water tank, connection water tank and grinding chamber
Water in feed pipe can be heated into hot water by pipe, heating tube, to inject the water of mill beans intracavitary as hot water by water pump.
In the present embodiment, to improve the intelligent of electric control gear, temperature sensor 9, Ke Yili is preferably provided with boiler 81
Solution, the temperature sensor 9 electrically connects with electric control gear, to cause electric control gear to obtain the temperature of water in boiler 81, and in reality
When border water temperature reaches default water temperature, just control water pump 83 that the hot water injection of default water temperature is ground into beans intracavitary, so that brewing institute
The coffee temperature obtained is appropriate, and mouthfeel is more preferable.In addition, in the present embodiment, boiler 81 is preferably arranged side by side with cavity 11, to avoid coffee
The whole height of coffee machine is too high.
In the present embodiment, further, the top of Coffee screen net 3 passes through the radial seal of the first sealing ring 4 with lid 12
Connection.Specifically, lid 12 is provided with and stretches into the top of Coffee screen net 3 and be in the form of a column the jut 121 of setting, the jut 121
The first sealing ring 4 is provided between the inner peripheral surface on the top of outer peripheral face and Coffee screen net 3, in this way, the top of Coffee screen net 3 can pass through
First sealing ring 4 realizes the direct sealed connection with lid 12.Right the design not limited to this, it is described in other embodiment
Jut 121 can also be realized by helixseal structure with the top of Coffee screen net 3 and is tightly connected.In addition, in still other
In embodiment, prominent sleeve, the outer peripheral face on the top of Coffee screen net 3 and the inner peripheral surface of sleeve also can be set in the inner face of lid 12
It is tightly connected, or the outer peripheral face of the inner peripheral surface on the top of Coffee screen net 3 and sleeve is tightly connected.
Reference picture 2 in the lump, in the present embodiment, specifically, the first sealing ring 4 includes annular in shape and along the axial direction of grinding chamber 10
The seal body 41 of direction extension, the medial surface of the seal body 41 are attached at the outer peripheral face of the protuberance, and lateral surface is then set
There is at least one circle seal bead 42 set in a ring, the elasticity of seal bead 42 contacts at the inner peripheral surface on the top of Coffee screen net 3.
It is appreciated that seal bead 42 sets up the sealing reliability that can improve the first sealing ring 4.Such as Fig. 2, in the present embodiment, sealing
Convex tendon 42 is parallel and compartment of terrain is provided with two circles；Certainly, in other embodiment, the number of turns of seal bead 42 can also but be not limited to
1st, 3 or 4 etc., specifically set according to being actually needed.In addition, in the present embodiment, seal bead 42 is on projection direction in cone
Shape is set, in this way, the free end of seal bead 42 is prone to be beneficial to the deformation that jut 121 is fitted into the top of Coffee screen net 3.
In the present embodiment, to avoid the first sealing ring 4 is overall from slipping into Coffee screen net 3, and cause the top of Coffee screen net 3 with
Seal failure between lid 12, the upper end of seal body 41 preferably extend provided with spacing along the radially outward direction of grinding chamber 10
Flange 43, the spacing flange 43 are contradicted with for the upper surface of Coffee screen net 3, and limit the first sealing ring 4 and Coffee screen net 3 it
Between relative motion.
In the present embodiment, further, the second sealing ring is provided between the top of Coffee screen net 3 and the top of cavity 11
5, to realize the sealed connection between the top of Coffee screen net 3 and cavity 11；The top of Coffee screen net 3 connects with the sealing of lid 12 again
Connect, so that grinding chamber 10 is integral sealing, in this way, after coffee has been brewageed, coffee can not be natural from beverage outlet 13
Outflow, could be by coffee from the row of beverage outlet 13, it is necessary to pressurizeed by the water pump 83 of hot-water supply device 8 into grinding chamber 10
Go out, so as to have the function that supercharging extraction coffee, the quality of coffee can be improved.In the present embodiment, the outside on the top of Coffee screen net 3
Face is provided with positioning ring groove 30, and the positioning ring groove 30 is arranged positioning with for the second sealing ring 5, to limit the second sealing ring 5 and coffee
Relative motion between coffee filter screen 3 and cavity 11, so as to avoid the second sealing ring 5 is overall from slipping into cavity 11, and then avoid coffee
Seal failure between the top of coffee filter screen 3 and cavity 11.Without loss of generality, the second sealing ring 5 is partially protrude through positioning ring groove 30,
And elasticity contacts at the medial surface on the top of cavity 11.
Reference picture 1, further, Coffee screen net 3 include filter screen body 31, the Yi Jicheng for being located on the periphery of grinding knife group 21
The fixed frame 32 that tubular is set, the lower axial end of the fixed frame 32 are fixedly connected on the upper axial end of filter screen body 31.This implementation
In example, the lower axial end of filter screen body 31 is the lower end of Coffee screen net 3, and the axial top of fixed frame 32 is the upper of Coffee screen net 3
Portion, i other words, the lower end of filter screen body 31 and the bottom wall of grinding chamber 10 are abutted against, and fixed frame 32 is tightly connected with lid 12, institute
State the lateral surface that positioning ring groove 30 is arranged on fixed frame 32.It is appreciated that the filter opening of Coffee screen net 3 is located on filter screen body 31,
Fixed frame 32 is then used for aiding in fixing filter screen body 31, filter opening is not provided with fixed frame 32, in this way, covering filter screen body in hot water
After 31, absolute confined space can be formed between tubular fixed frame 32 and lid 12, so that coffee brews effect
Fruit is more preferable.
In the present embodiment, specifically, filter screen body 31 is metalwork, to ensure that the rigidity of filter screen body 31 is good.It is special
Not, filter screen body 31 has good rigidity, can improve filter screen body 31 to coffee bean and the outside impulsive force of coffee particles
Ability to bear.Preferably, for filter screen body 31 as made by stainless steel material, stainless steel material has strong rigidity, can preferably support
The outside impulsive force of anti-coffee bean and coffee particles；Certainly, in other embodiment, filter screen body 31 can also but be not limited to by aluminium
Made by other metal materials such as alloy, titanium alloy.Fixed frame 32 is working of plastics, in this way, fixed frame 32 can be conveniently by note
Modeling mode is fixed with filter screen body 31, and Shooting Technique is ripe processing technology, is advantageous to the batch machining system of the Coffee screen net 3
Make.In addition, by Shooting Technique formed fixed frame 32, only need to simply change used in injection mold, you can easily form
The positioning ring groove 30.Certainly, in other embodiment, the fixed frame 32 can also be by way of being bonded or welding and filter
What net body 31 was fixed.
Right the design not limited to this, in other embodiment, Coffee screen net 3 can also be all-metal filter screen, i other words, coffee
Filter screen 3 is overall as made by metal material, such as, but not limited to is processed to be formed by extrusion process or sheet metal process, such as
This, Coffee screen net 3 can have more good integral rigidity.When Coffee screen net 3 is all-metal filter screen, the all-metal filter screen
Filter opening be preferably provided only on the middle part and/or bottom of all-metal filter screen, that is to say, that the top of all-metal filter screen is not provided with filtering
Hole, in this way, behind the middle part that hot water covers all-metal filter screen, it can be formed between the top of all-metal filter screen and lid 12 definitely
Confined space so that coffee to brew effect more preferable.
In addition, in the present embodiment, to avoid during coffee machine works, filter screen body 31 occurs in grinding chamber 10
Rock, or even the phenomenon collided with grinding knife group 21 occur, the bottom wall of cavity 11 is preferably provided with boss 14, the boss 14 with for
Filter screen body 31 is arranged, and realizes positioning of the filter screen body 31 in grinding chamber 10.
Reference picture 1, in the present embodiment, further, filter screen body 31 includes being located on the of the periphery of grinding knife group 21
One filter screen body 311 and the second filter screen body 312 for being at least located on the lower periphery of the first filter screen body 311, and the first filter
Bottom wall of the lower end of 311 and second filter screen body of net body 312 with grinding chamber 10 abuts against, with the first filter screen body 311 with
The secondary filter chamber 103 between mill beans chamber 101 and beverage chamber 102 is limited out between second filter screen body 312, in this way,
During the ground coffee beans of grinding knife group 21 or stirring coffee, even if having thicker coffee particles under the influence of centrifugal force
Break through the first filter screen body 311 and enter secondary filter chamber 103, these coffee particles can be also limited in by the second filter screen body 312
In secondary filter chamber 103, so as to effectively avoid thicker coffee particles from entering beverage chamber 102, the quality of coffee beverage is improved.Need
It is noted that in the present embodiment, the boss 14 is arranged for the first filter screen body 311.
In the present embodiment, the mesh number of the first filter screen body 311 ranges preferably from the mesh of 50 mesh~120, under the mesh number scope
The first filter screen body 311 there is the filter opening in moderate aperture, with when infusing coffee, most of coffee grounds is limited in mill beans chamber
In 101.Certainly, in other embodiments, the first filter screen body 311 can also have smaller mesh number, to reduce Coffee screen net 3
Cost.In addition, in the present embodiment, the mesh number of the second filter screen body 312 ranges preferably from the mesh of 80 mesh~150, under the mesh number scope
The second filter screen body 312 have compared with fine pore filter opening, coffee grounds on the one hand can be avoided to enter beverage from secondary filter chamber 103
Chamber 102；On the other hand the speed that coffee flows to beverage chamber 102 can be reduced, is easy to grind the shape of the pressure space in beans chamber 101
Into.Certainly, in other embodiments, the second filter screen body 312 can also have bigger mesh number, to improve the limitation to coffee grounds
Effect and the throttling action for improving Coffee screen net 3.
Reference picture 3 in the lump, further, the first filter screen body 311 are provided with the first reinforcement 33, first reinforcement 33
Including at least the circumferentially disposed reinforcing rib ring 33a along the first filter screen body 311, thus, the first filter screen sheet can be further enhanced
The rigidity of body 311 in the circumferential, to resist the outside impulsive force of coffee bean and coffee particles, the first filter screen body 311 is avoided to become
Shape, so as to extend the life-span of Coffee screen net 3.In addition, further to improve the integral rigidity of the first filter screen body 311, this first
Reinforcement 33 preferably also includes the strengthening rib strip 33b intersected with reinforcing rib ring 33a；Without loss of generality, strengthening rib strip 33b can be with
It is to tilt to set along axial direction extension or with the first filter screen body 311 the axial direction of the first filter screen body 311
Put.Especially, strengthening rib strip 33b upper end is preferably fixedly connected with fixed frame 32, so that the first filter screen body 311
Rigidity have more preferable guarantee.
Similarly, it is the integral rigidity of the second filter screen body 312 of enhancing, the is also preferably provided with the second filter screen body 312
Two reinforcements 34.It should be noted that in the present embodiment, the first reinforcement 33 and the second reinforcement 34 are preferably also plastics material
Matter, in this way, the first reinforcement 33 can be fixed on conveniently by injection molding manner on the first filter screen body 311, the second reinforcement 34
Also can be fixed on conveniently by injection molding manner on the second filter screen body 312, so as to be advantageous to the batch machining of the Coffee screen net 3
Manufacture.Especially, fixed frame 32, the first reinforcement 33 and the second reinforcement 34 can once injection moulding, process is actually
It is convenient.
Reference picture 3, Fig. 3 are the part-structure schematic diagram of another embodiment of coffee machine of the present invention.Another embodiment is with before
The difference for stating embodiment is, seal washer 6 is provided between the inner face of lid 12 and the upper surface of Coffee screen net 3, such as
This, the direct sealed connection on the top of Coffee screen net 3 and lid 12 can be also realized by the seal washer 6, it will be understood that this sealing
It is connected as axial seal connection.
Further, the present embodiment and previous embodiment are also differ in that, cavity 11 is provided with top and supplies lid
The ring-shaped step 111 of 12 inner face edges overlap joint, the upper surface of Coffee screen net 3 is higher than or flushed in ring-shaped step 111, described close
Seal washer 6 is also padded and is located between ring-shaped step 111 and the medial surface edge of lid 12, in this way, can be by the seal washer 6 simultaneously
The sealed connection between lid 12 and cavity 11 is realized, so as to realize the integral sealing of grinding chamber 10, in this way, brewageing coffee
Afterwards, coffee can not flow out, it is necessary to be pressurizeed by the water pump of hot-water supply device into grinding chamber 10, just naturally from beverage outlet 13
Coffee can be discharged from beverage outlet 13, so as to have the function that supercharging extraction coffee, the quality of coffee can be improved.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (17)
- A kind of 1. coffee machine, it is characterised in that including：Cavity and lid, the lid cover the cavity and form grinding chamber, and the bottom of the grinding chamber is provided with beverage outlet；Lapping device, including grinding knife group in the grinding chamber, be used to outside the grinding chamber to drive the grinding The motor that knife group rotates；Coffee screen net, the grinding knife group periphery is located on, and the top of the Coffee screen net is tightly connected with the lid, institute The lower end and the bottom wall of the grinding chamber for stating Coffee screen net are abutted against, and the grinding chamber is divided into mill beans chamber and positioned at the mill The beverage chamber of beans chamber periphery, beverage chamber described in the beverage outlet are set；AndHot-water supply device, connected with the grinding chamber, to be supplied to the mill beans intracavitary hot-water supply, the mill beans intracavitary It is square into pressure space thereon after the hot water for entering preset volume.
- 2. coffee machine as claimed in claim 1, it is characterised in that pass through between the top of the Coffee screen net and the lid First sealing ring radial seal connects.
- 3. coffee machine as claimed in claim 2, it is characterised in that the lid is provided with and stretches into the Coffee screen net top and be in The jut that column is set, described the is provided between the inner peripheral surface on the top of the outer peripheral face of the jut and the Coffee screen net One sealing ring.
- 4. coffee machine as claimed in claim 3, it is characterised in that first sealing ring includes annular in shape and along the grinding The seal body of the axial direction extension of chamber, it is convex that the lateral surface of the seal body is provided with least one circle sealing set in a ring Muscle, the seal bead elasticity contact at the inner peripheral surface on the Coffee screen net top.
- 5. coffee machine as claimed in claim 4, it is characterised in that the radial direction of grinding chamber described in the upper end edge of the seal body Outward direction extension is provided with spacing flange, and the upper surface of the Coffee screen net contacts at the spacing flange.
- 6. coffee machine as claimed in claim 2, it is characterised in that the top of the top of the Coffee screen net and the cavity it Between be provided with the second sealing ring.
- 7. coffee machine as claimed in claim 6, it is characterised in that the lateral surface on the Coffee screen net top is provided with for described the Two sealing rings are arranged the positioning ring groove of positioning, and second sealing ring is partially protrude through the positioning ring groove, and elasticity contacts at The medial surface on the cavity top.
- 8. coffee machine as claimed in claim 1, it is characterised in that the upper end of the inner face of the lid and the Coffee screen net Seal washer is provided between face.
- 9. coffee machine as claimed in claim 8, it is characterised in that the cavity is provided with top and supplies the lid inner face side Along the ring-shaped step of overlap joint, the upper surface of the Coffee screen net is higher than or flushed in the ring-shaped step, and the seal washer is also Pad is located between the ring-shaped step and the medial surface edge of the lid.
- 10. the coffee machine as described in claim 1 to 9 any one, it is characterised in that the Coffee screen net is filtered for all-metal Net.
- 11. coffee machine as claimed in claim 10, it is characterised in that the filter opening of the all-metal filter screen is located at the all-metal The middle part and/or bottom of filter screen.
- 12. the coffee machine as described in claim 1 to 9 any one, it is characterised in that the Coffee screen net includes being located on institute State the filter screen body of grinding knife group periphery and be cylindrical in shape the fixed frame of setting, the lower axial end of the fixed frame is fixedly connected In the upper axial end of the filter screen body, the lower axial end of the filter screen body is the lower end of the Coffee screen net, the fixation The axial top of frame is the top of the Coffee screen net.
- 13. coffee machine as claimed in claim 12, it is characterised in that the filter screen body is metalwork, and the fixed frame is Working of plastics, the fixed frame are fixed by injection molding manner and the filter screen body.
- 14. coffee machine as claimed in claim 12, it is characterised in that the bottom wall of the cavity is provided with boss, the filter screen sheet Body is set on the boss, to be positioned in the grinding chamber.
- 15. the coffee machine as described in claim 1 to 9 any one, it is characterised in that the air pressure in the pressure space is more than Or equal to 1bar and it is less than or equal to 2bar.
- 16. coffee machine as claimed in claim 15, it is characterised in that air pressure range in the pressure space for 1.3bar~ 1.7bar。
- 17. the coffee machine as described in claim 1 to 9 any one, it is characterised in that the Coffee screen net includes being located on institute State the first filter screen body of grinding knife group periphery and be at least located on the second filter screen of the first filter screen body lower part periphery Body, and the bottom wall of the first filter screen body and the second filter screen body lower end with the grinding chamber abuts against, with Limited out between the first filter screen body and the second filter screen body between the mill beans chamber and the beverage chamber Secondary filter chamber.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826055.7A CN107811514B (en) | 2016-09-14 | 2016-09-14 | Coffee machine |
| EP17800996.5A EP3513689B1 (en) | 2016-09-14 | 2017-02-21 | Coffee maker and preparation method therefor |
| PCT/CN2017/074249 WO2018049789A1 (en) | 2016-09-14 | 2017-02-21 | Coffee maker and preparation method therefor |
| US15/578,712 US10694885B2 (en) | 2016-09-14 | 2017-02-21 | Coffee maker and coffee preparation method |
| JP2018512513A JP6647393B2 (en) | 2016-09-14 | 2017-02-21 | Coffee maker and coffee making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826055.7A CN107811514B (en) | 2016-09-14 | 2016-09-14 | Coffee machine |
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| Publication Number | Publication Date |
|---|---|
| CN107811514A true CN107811514A (en) | 2018-03-20 |
| CN107811514B CN107811514B (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610826055.7A Active CN107811514B (en) | 2016-09-14 | 2016-09-14 | Coffee machine |
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| Country | Link |
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| CN (1) | CN107811514B (en) |
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| WO2020181212A1 (en) | 2019-03-06 | 2020-09-10 | Innovative Brewing, Llc | Devices and methods for brewing beverages |
| EP3892168A1 (en) * | 2020-04-09 | 2021-10-13 | Tsann Kuen (Zhangzhou) Enterprise Co., Ltd. | Grinding device, coffee maker having the same and method for controlling grinding device |
| CN113520158A (en) * | 2021-08-23 | 2021-10-22 | 苏州家益厨具科技有限公司 | Easy-to-clean grinding and pressurizing extraction integrated coffee cup |
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| Publication number | Publication date |
|---|---|
| CN107811514B (en) | 2019-11-08 |
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