CN218390758U - Coffee machine - Google Patents

Abstract

The utility model discloses a coffee machine, which comprises a box body, wherein an installation area is formed inside the box body, a mixing device is arranged in the installation area, a cover body comprises a base and a cover body at the top of the base, a mixing space is formed between the cover body and the base, and the outer side wall of the cover body is provided with a feed inlet; be equipped with the mill beans device of locating the mixing arrangement lateral part in the installation area, including grinding a beans section of thick bamboo, grind the interior beans storehouse that forms of a beans section of thick bamboo, be equipped with grinding unit in the beans storehouse of grinding, the top of grinding a beans section of thick bamboo is equipped with the dog-house, and the lateral wall of grinding a beans section of thick bamboo is equipped with the guide mouth, and dog-house and guide mouth all switch on and grind the beans storehouse, grind and form the guide passageway between beans storehouse and the guide mouth, and the guide passageway is by grinding the beans storehouse toward guide mouth direction downward sloping, guide mouth and feed inlet intercommunication. The utility model discloses the comdenstion water that produces when avoiding boiling coffee leads to the coffee powder to solidify, is difficult to clean, and the condition that accumulates for a long time and mildenes and rot and influence the coffee quality and drink safety takes place.

Description

Coffee machine

Technical Field

The utility model belongs to the technical field of coffee brewing equipment, concretely relates to coffee machine.

Background

The coffee bean grinding machine is one of coffee machines, and the coffee bean grinding machine adopts a mode of preparing coffee by grinding coffee beans at the present time, so that the flavor of the coffee beans can be completely reflected, the prepared coffee has fragrant and mellow taste, and the coffee bean grinding machine is widely applied to the catering industry and the daily life of people.

The coffee bean grinding mechanism of the existing coffee bean grinding machine is generally arranged above a coffee basket for placing coffee powder or a brewing cavity for brewing coffee, and the coffee powder generated by grinding directly falls into the coffee basket or the brewing cavity under the action of gravity to complete the feeding of the coffee powder. However, powder is easy to fly in the coffee powder feeding process, so that the coffee powder is adhered to the top of the coffee basket or the brewing cavity and the inside of the coffee machine, and the water vapor of hot water and the condensed water of the water vapor can be mixed with the mixed coffee powder in the coffee brewing process to cause the coffee to be solidified and adhered to the inside of the coffee machine, so that the coffee is difficult to clean, cannot be cleaned for a long time, the coffee quality can be influenced by mildew, food poisoning can be caused seriously, and higher drinking potential safety hazards exist.

Disclosure of Invention

An object of the utility model is to provide a coffee machine, the structure that adopts the side feeding replaces traditional top and throws the material structure, and the comdenstion water of avoiding producing when boiling coffee leads to the coffee powder to solidify, is difficult to clean, and long-time the condition that gathers to milden and rot and influence coffee quality and drink safety takes place.

The technical scheme for achieving the purpose comprises the following steps.

The utility model provides a coffee machine, which comprises a box body, wherein an installation area is formed in the box body, a mixing device is arranged in the installation area, the mixing device comprises a base, a cover body is arranged at the top of the base, a mixing space is formed between the cover body and the base, and a feed inlet for communicating the mixing space is formed on the outer side wall of the cover body;

be equipped with in the installation area and grind the beans device, grind the beans device and locate mixing arrangement's lateral part, grind the beans device including grinding a beans section of thick bamboo grind a beans section of thick bamboo be formed with in grinding a beans section of thick bamboo and grind the beans storehouse be equipped with grinding assembly in grinding a beans storehouse the top of grinding a beans section of thick bamboo is equipped with the dog-house grind a beans section of thick bamboo orientation seted up the guide mouth on the section of thick bamboo wall of feed inlet, dog-house and guide mouth all switch on grind the beans storehouse grind and be formed with the guide passageway between beans storehouse and the guide mouth, the guide passageway is by grinding a beans storehouse toward the downward sloping of guide mouth direction, the guide mouth intercommunication the feed inlet.

In some of these embodiments, the filter screen has been spliced in the base, the top of filter screen extends to outside the base first sealing member between base and the lid, first sealing member is located the top of base be formed with the seal clearance between first sealing member and the filter screen, the bottom embedding of lid in the seal clearance be equipped with the second sealing member between lid and the mill beans section of thick bamboo, second sealing member one end supports to press on the lid, the other end supports to press on the mill beans section of thick bamboo, just the second sealing member is cyclic annular, is formed with and switches on the via hole of feed inlet and guide mouth, just the pore wall of via hole is by the downward sloping of guide mouth toward the feed inlet direction, and one end is connected the guide mouth, and the other end is connected the feed inlet.

In some embodiments, an insertion block is arranged on one side of the first sealing element facing the bean grinding cylinder, an insertion groove is arranged at a position, close to the feed port, of the cover body, the insertion block is in insertion fit with the insertion groove, an insertion convex edge is arranged on one side, close to the cover body, of the second sealing element, an insertion groove is formed in the insertion block, the insertion convex edge is embedded into the insertion groove and abuts against the cover body, a driving element is arranged in the mounting area, a movable plate is arranged between the second sealing element and the cylinder wall of the bean grinding cylinder, the driving element is in transmission connection with the movable plate, and a first through groove matched with the guide port and the feed port is formed in the movable plate.

In some of these embodiments, grinding assembly includes first grinding piece and second grinding piece be equipped with rotatable transmission shaft in grinding the beans section of thick bamboo, first grinding piece suit is established on the transmission shaft, first grinding piece is coniform or round platform form be equipped with first grinding tooth on the periphery wall of first grinding piece, second grinding piece is cylindricly, is formed with the mounting hole, second grinding piece suit is established on the first grinding piece be equipped with second grinding tooth on the internal perisporium of the mounting hole of second grinding piece, the second grinding tooth with first grinding tooth meshing.

In some embodiments, the first grinding teeth are arranged on the outer peripheral wall of the bottom end of the first grinding member, the second grinding teeth are arranged at the bottom end of the mounting hole, the inner wall of the mounting hole is inclined outwards from the top end of the second grinding teeth to the direction of the top end of the second grinding member, a feeding gap is formed between the inner wall of the mounting hole and the outer wall of the first grinding member, the feeding gap is funnel-shaped, and one end of the material guide channel is located below the feeding gap.

In some embodiments, a guide member is sleeved on the top end of the second grinding member, a feeding member is sleeved on the top end of the guide member, a sealing cover is arranged on the top end of the feeding member, the feeding member is funnel-shaped, a material guiding bin is formed inside the feeding member, a material guiding hole communicated with the material guiding bin is formed on the guide member, and the hole wall of the material guiding hole is inclined from the top end of the guide member to the direction of the feeding gap.

In some embodiments, an extension part extending downwards is arranged at the bottom of the bean grinding cylinder, an installation bin is formed in the extension part, a partition plate is arranged between the installation bin and the bean grinding bin, the partition plate is inclined downwards from the bean grinding bin to the direction of the material guide port, a fixing hole is formed in the partition plate, a driving motor is arranged at one end, away from the feeding port, of the bottom end of the extension part, a motor shaft of the driving motor extends into the installation bin, a driving gear is sleeved on the motor shaft of the driving motor, a driven gear is meshed with the driving gear, a transmission shaft is fixedly arranged on the driven gear, and the top end of the transmission shaft penetrates through the fixing hole to extend into the bean grinding bin and is connected with the first grinding piece.

In some embodiments, a distributing member is disposed at the bottom of the first grinding member, the distributing member is sleeved on the transmission shaft, a plurality of distributing pieces are disposed on the outer peripheral wall of the distributing member, and the end of the distributing piece facing away from the transmission shaft extends into the material guiding channel or is close to the end of the material guiding channel.

In some of these embodiments, the strand is equipped with the storage water tank in the installing zone the top of lid is equipped with the inlet opening the top of inlet opening is equipped with the fixed plate deviates from one side of lid is equipped with water supply connector, water supply connector switches on the inlet opening be equipped with the spraying piece in the hybrid space, the top of spraying piece is located in the inlet opening be equipped with the third sealing member between inlet opening and the spraying piece, third sealing member one end support press in on the spraying piece, the other end support press in on the pore wall of inlet opening the lateral part of storage water tank is equipped with heating device, heating device includes the heating pipe, heating pipe one end with storage water tank connection, the other end with water supply connector connects.

In some embodiments, a material receiving area is formed on a side portion of the box body, a material receiving platform extending towards the direction of the material receiving area is arranged at the bottom of the box body, the bottom end of the base is suspended in the material receiving area, at least one discharging hole is formed in the base, and the discharging hole conducts the mixing space.

The coffee machine provided by the utility model forms an installation area in the box body, a mixing device used for containing coffee powder and brewing coffee is arranged in the installation area, the mixing device comprises a base, a cover body is arranged at the top of the base, a mixing space is formed between the cover body and the base, and a feed inlet for communicating the mixing space is arranged on the outer side wall of the cover body; a bean grinding device for grinding coffee beans is arranged on the side part of the mixing device, the bean grinding device comprises a bean grinding cylinder, a bean grinding bin is formed in the bean grinding cylinder, a grinding assembly is arranged in the bean grinding bin, a feeding port is arranged at the top of the bean grinding cylinder, a material guide port is formed in the side wall, facing the feeding port, of the bean grinding cylinder, the feeding port and the material guide port are both communicated with the bean grinding bin, a material guide channel is formed between the bean grinding bin and the material guide port, the material guide channel inclines downwards from the bean grinding bin to the direction of the material guide port, and the material guide port is communicated with the feeding port;

when using, coffee beans get into the beans storehouse of grinding from the dog-house, grind to pass through guide channel and guide mouth behind the coffee powder through grinding assembly, send into in the mixing space that forms between lid and the base from the feed inlet on the lateral wall of lid, utilize the action of gravity to make the automatic structure that falls into mixing arrangement of coffee powder for the bottom of traditional follow beans grinding mechanism, realize the feeding of coffee powder from the side of lid, it glues inside the coffee machine to have avoided coffee powder to splash at the in-process that drops, make the comdenstion water that produces when infusing coffee lead to coffee powder to solidify, it is difficult to clean, accumulate the circumstances of mildening and rot influence coffee quality and drinking safety for a long time and take place.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is a partially exploded view of the present invention;

fig. 5 is an exploded view of the mixing device of the present invention with the base removed;

FIG. 6 is an exploded view of the bean grinding apparatus of the present invention;

fig. 7 is a schematic diagram of the on state of the movable plate of the present invention;

fig. 8 is a schematic view of the closed state of the movable plate of the present invention.

Description of the reference numerals:

100. a box body; 101. an installation area; 102. a material receiving area; 103. a receiving platform; 104. a receiving container; 105. a sealing cover; 106. a fixing plate;

200. a mixing device; 201. a base; 2011. a discharge hole; 202. a cover body; 2021. a feed inlet; 2022. a water inlet hole; 2023. a second convex ring; 2024. inserting grooves; 203. a first seal member; 2031. an insertion block; 2032. an annular convex edge; 204. a second seal member; 2041. a via hole; 205. a third seal member; 206. a water inlet joint; 207. a spraying member; 208. a filter screen; 2081. a first convex ring; 209. a mixing space;

300. a bean grinding device; 301. grinding the bean cylinder; 3011. a bean grinding bin; 3012. installing a bin; 3013. a material guide channel; 3014. a material guiding port; 3015. an extension portion; 302. a first abrasive member; 3021. a first grinding tooth; 303. a second abrasive member; 3031. a second grinding tooth; 304. distributing parts; 3041. distributing sheets; 305. a guide member; 3051. a material guide hole; 306. a feeding member; 3061. a material guiding bin; 307. a partition plate; 308. fixing a sleeve; 309. a feed gap;

400. a water storage tank;

500. a heating device; 501. heating a tube; 502. a water pump;

600. a control device; 601. a control circuit board; 602. a fixed seat;

701. a drive shaft; 702. a driven gear; 703. a driving gear; 704. a drive motor; 705. a motor base;

801. a drive member; 802. a mounting seat; 803. a movable plate; 8031. a first through groove; 8032. a first limit groove; 8033. a limit screw; 8034. a second limit groove; 8035. pushing the screw rod;

1001. a first portion; 1002. a second portion; 1003. a third portion; 1004. a clamping hole.

Detailed Description

To facilitate understanding of the present invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

As used herein, unless otherwise specified or defined, "first, second …" is used merely to distinguish between names and does not denote a particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It should be noted that "fixed to" or "connected to" in this document may be directly fixed to or connected to one element or may be indirectly fixed to or connected to one element.

Referring to fig. 1, the present embodiment provides a coffee machine, which includes a box 100, a material receiving area 102 formed on any side wall of the box 100, a material receiving platform 103 extending toward the material receiving area 102 and disposed at a bottom end of the box 100, and a material receiving container 104 disposed on the material receiving platform 103 for receiving material.

Referring to fig. 2 to 6, a mounting area 101 is formed in the box 100, a mixing device 200 for containing coffee powder and brewing coffee is disposed in the mounting area 101 above the receiving area 102, a bean grinding device 300 for grinding coffee beans into coffee powder is disposed on a side of the mixing device 200, the mixing device 200 includes a base 201, a bottom end of the base 201 passes through the box 100 and extends into the receiving area 102 and faces the receiving platform 103, at least one discharge hole 2011 for discharging coffee is disposed at a bottom of the base 201, a filter screen 208 is disposed in the base 201, a cover 202 is disposed at a top end of the base 201, and a mixing space 209 for containing coffee powder and brewing coffee is formed between the cover 202 and the base 201.

A feed inlet 2021 communicating with the mixing space 209 is formed in an outer wall of the cover body 202 facing the bean grinding device 300, the feed inlet is used for feeding coffee powder conveyed by the bean grinding device 300 into the mixing space 209, a first sealing member 203 is arranged between the cover body 202 and the base 201, a top end of the filter screen 208 extends to a position above a top end of the base 201, a first convex ring 2081 extending upwards is arranged at the top end of the filter screen 208, the first sealing member 203 is sleeved on the first convex ring 2081, the first sealing member 203 is annular, an annular convex edge 2032 extending inwards is arranged on an inner wall of the first sealing member 203, when the first sealing member 203 is sleeved on the first convex ring 2081, an end of the annular convex edge 2032 is pressed against an outer peripheral wall of the first convex ring 2081, a sealing gap is formed between the outer peripheral wall of the first convex ring 2081 and the inner wall of the first sealing member 203, a second convex ring 2023 extending downwards is arranged at a bottom end of the cover body 202, and the second convex ring 2023 is embedded in the sealing gap.

An insertion block 2031 extending upwards is arranged at one side of the first sealing member 203 close to the bean grinding device 300, an insertion groove 2024 is arranged at a position close to the feed port 2021 on the cover 202, the insertion block 2031 is inserted into the insertion groove 2024, a second through groove (not shown, the same applies below) matched with the feed port 2021 is arranged on the insertion block 2031, a second sealing member 204 is arranged on the insertion block 2031, an embedding convex edge is formed at one side of the second sealing member 204 close to the insertion block 2031 and inserted into the second through groove, and the other side is pressed against the bean grinding device 300 to seal the connection position of the bean grinding device 300 and the feed port 2021, so as to avoid the coffee powder scattering in the installation region 101.

When the sealing device is used, the plugging and matching of the plugging block 2031 and the plugging groove 2024 are utilized, so that the mounting stability of the first sealing element 203 is improved, meanwhile, the second sealing element 204 is fixed on the plugging block 2031, the space occupancy rate of the mixing device 200 is reduced while the stability of the first sealing element 203 is further improved, and the connection convenience of the second sealing element 204 is improved.

The bean grinding device 300 comprises a bean grinding cylinder 301 fixedly arranged in the installation area 101, an extension part 3015 extending downwards is arranged at the bottom of the bean grinding cylinder 301, an installation bin 3012 is formed in the extension part 3015, a partition plate 307 is arranged between the installation bin 3012 and the bean grinding bin 3011, the partition plate 307 inclines downwards from the bean grinding bin 3011 to the material guide port 3014, a material guide channel 3013 is formed between the bean grinding bin 3011 and the material guide port 3014, and the material guide channel 3013 inclines downwards from the bean grinding bin 3011 to the material guide port 3014.

The second sealing element 204 is annular, a through hole 2041 penetrating through the second sealing element 204 is formed in the second sealing element 204, one end of the second sealing element 204 is pressed against the outer wall of the extending portion 3015, the other end of the second sealing element 204 is embedded into the second through groove through the embedding convex edge and pressed against the inserting block 2031 or the cover body 202, and a gap between the material guiding opening 3014 and the feeding opening 2021 is sealed.

The hole wall of the through hole 2041 is inclined downwards from the material guide port 3014 to the feed port 2021, one end is connected to the material guide port 3014, and the other end is connected to the feed port 2021, so as to ensure that the coffee powder in the material guide channel 3013 can smoothly enter the mixing space 209.

A grinding assembly is arranged in the bean grinding bin 3011 and comprises a first grinding part 302 and a second grinding part 303, a driving motor 704 is arranged on one side, away from the cover body 202, in the bean grinding cylinder 301, a motor shaft of the driving motor 704 extends into the mounting bin 3012, a driving gear 703 is sleeved on the motor shaft of the driving motor 704, a driven gear 702 meshed with the driving gear 703 is arranged on the side wall of the driving gear 703, a transmission shaft 701 is fixedly arranged on the driven gear 702, the top end of the transmission shaft 701 penetrates through a fixing hole of a partition plate 307 and extends into the bean grinding bin 3011 and is connected with the first grinding part 302, the first grinding part 302 is in a conical shape or a circular truncated cone shape, first grinding teeth 3021 are arranged on the outer peripheral wall of the first grinding part 302, a mounting hole (not shown, the same below) is formed in the second grinding part 303, the second grinding part 303 is sleeved on the first grinding part 302, second grinding teeth 3031 are arranged on the inner peripheral wall of the mounting hole of the second grinding part 303, and the second grinding teeth 3031 are meshed with the first grinding teeth 3021.

A fixing sleeve 308 is formed in the mounting bin, a motor shaft of the driving motor 704 at least partially extends into the fixing sleeve 308 in a rotatable manner, a motor base 705 is fixedly arranged at the top end of the driving motor 704, and the driving motor 704 and the bean grinding cylinder 301 can be fixedly connected by the motor base 705 through screws, bolts or pin shafts and the like.

When the coffee grinder is used, the partition plate 307 is arranged between the mounting bin 3012 and the bean grinding bin 3011, the driving motor 704 is arranged at the bottom end of the extending portion 3015, the driving motor 704 is in transmission connection with the transmission shaft 701 through the driving gear 703 and the driven gear 702, and only the transmission shaft 701 extends into the bean grinding bin 3011 to be in transmission connection with the first grinding member 302, so that coffee powder generated by grinding coffee beans is prevented from falling into the driving motor 704, the driving gear 703 and the driven gear 702 to affect normal use.

Be equipped with first grinding tooth 3021 on the periphery wall of the bottom of first grinding member 302, be equipped with second grinding tooth 3031 at the bottom of mounting hole, the inner wall of mounting hole is outwards to the direction on the top of second grinding tooth 3031 by the top of second grinding tooth 3031, is formed with feed gap 309 between the inner wall of mounting hole and the outer wall of first grinding member 302, feed gap 309 is hourglass hopper-shaped, the one end of guide channel 3013 is located the below of feed gap 309.

When the coffee bean grinder is used, the driving gear 703 is driven to rotate by the operation of the driving motor 704, the driven gear 702 is driven to rotate to drive the transmission shaft 701 to rotate, so that the first grinding part 302 sleeved on the transmission shaft 701 and the second grinding part 303 meshed with the first grinding part 302 are driven to rotate, the first grinding part 302 is arranged to be conical or circular truncated cone-shaped, the inner wall of the mounting hole of the second grinding part 303 inclines outwards from the top end of the second grinding tooth 3031 to the top end of the second grinding part 303, a feeding gap 309 is formed between the hole wall of the mounting hole and the outer peripheral wall of the first grinding part 302, coffee beans entering between the first grinding part 302 and the second grinding part 303 can be automatically guided to the mutually meshed position of the first grinding tooth 3021 and the second grinding tooth 3031 to be ground, and the stability of the grinding efficiency is improved.

Referring to fig. 4 and fig. 7 to 8, a driving member 801 is disposed in the mounting region 101, a movable plate 803 is disposed between the second sealing member 204 and the wall of the bean grinding cylinder 301, the driving member 801 is connected to the movable plate 803 in a transmission manner, and a first through slot 8031 matched with the material guiding opening 3014 and the material feeding opening 2021 is formed on the movable plate 803.

A mounting base 802 is fixedly arranged in the mounting area 101, the mounting base 802 is arranged on the side part of the bean grinding device 300, and a rotatable driving piece 801 is arranged on the mounting base 802.

At least one first limit groove 8032 is disposed on the movable plate 803, a limit screw 8033 that can move in the first limit groove 8032 is disposed in the first limit groove 8032, and the limit screw 8033 is connected and fixed with the outer wall of the cover 202 or the outer wall of the bean grinding drum 301.

A second limit groove 8034 is disposed on a side of the movable plate 803 opposite to the first limit groove 8032, a direction of the second limit groove 8034 is perpendicular to a direction of the first limit groove 8032, a liftable push screw 8035 is disposed in the second limit groove 8034, and the push screw 8035 is in transmission connection with the driving member 801.

The driving member 801 of this embodiment is a rotatable eccentric wheel structure, when in use, when coffee powder of the bean grinding device 300 needs to be fed into the mixing space 209, the eccentric rotation of the driving member 801 is utilized, and due to the fixation of the mounting seat 802, the driving member 801 drives the pushing screw 8035 to pull the movable plate 803 to move inward in the stroke range of the first limiting groove 8032, so that the first through groove 8031 is matched with the material guiding opening 3014 and the material feeding opening 2021, and the material guiding opening 3014 is communicated with the material feeding opening 2021; when hot water needs to be added into the mixing space 209, the driving member 801 rotates eccentrically in the opposite direction, due to the fixation of the mounting seat 802, the driving member 801 drives the pushing screw 8035 to push the movable plate 803 to move outward in the stroke range of the first limiting groove 8032, so that the first through groove 8031 is staggered with the material guiding port 3014 and the material feeding port 2021, the material guiding port 3014 and the material feeding port 2021 are isolated by the movable plate 803, and the second sealing member 204 is pressed between the movable plate 803 and the cover body 202, so that water vapor in the mixing space 209 cannot enter the material guiding channel 3013 to be guided to the bean grinding bin 3011 through the material guiding port 3014, and further the coffee powder is condensed in the material guiding channel 3013 and/or the bean grinding bin 3011.

The transmission shaft 701 is sleeved with the material distributing member 304 positioned below the first grinding member 302, the outer peripheral wall of the material distributing member 304 is provided with a plurality of material distributing sheets 3041 distributed in an annular array, when in use, a gap between the two material distributing sheets 3041 is used for accommodating coffee powder, the coffee powder is pushed by the material distributing sheets 3041 to be transported to the material guiding channel 3013 in the bean grinding bin 3011, and the coffee powder enters the mixing space 209 through the material guiding port 3014 and the material feeding port 2021 by utilizing the inclination of the material guiding channel 3013.

When the coffee bean grinding device is used, the material distributing part 304 which is arranged in the bean grinding bin 3011 and sleeved on the transmission shaft 701 is arranged, the outer peripheral wall of the material distributing part 304 is provided with a plurality of material distributing sheets 3041 which are distributed in an annular array, and coffee powder which falls into the bottom of the bean grinding bin 3011 and is generated under the grinding action of the first grinding part 302 and the second grinding part 303 is stirred by the material distributing sheets 3041, so that the coffee powder enters the material guide channel 3013 under the stirring action of the material distributing sheets 3041, the conveying efficiency of the coffee powder is improved, and the situation that the coffee powder is accumulated at the position of the bean grinding bin 3011 close to the material guide channel 3013 to cause the malfunction of the bean grinding device 300 is avoided.

The guide 305 is sleeved on the top end of the second grinding member 303, the feeding member 306 is sleeved outside the top end of the guide 305, the sealing cover 105 is arranged on the top end of the feeding member 306, the feeding member 306 is funnel-shaped, the material guide bin 3061 is formed inside the feeding member 306, the guide 305 is provided with the material guide hole 3051 communicated with the material guide bin 3061, and the hole wall of the material guide hole 3051 inclines from the top end of the guide 305 to the direction of the feeding gap 309.

Set up the inlet opening 2022 that switches on mixed space 209 on the top of lid 202, fixed plate 106, the fixed plate is connected with box 100, one side that deviates from lid 202 at fixed plate 106 is equipped with water supply connector 206, the top of lid 202 supports and presses the bottom at fixed plate 106, make water supply connector 206's bottom correspond inlet opening 2022, thereby water supply connector 206 switches on inlet opening 2022, set up the sprinkler 207 of scarf joint in inlet opening 2022 in mixed space 209, be equipped with storage water tank 400 in installation area 101, lateral part at storage water tank 400 is equipped with heating device 500, heating device 500 includes heating pipe 501, heating pipe 501 one end is connected with storage water tank 400, the other end is connected with water supply connector 206.

A third sealing element 205 is arranged between the water inlet 2022 and the spraying element 207, one end of the third sealing element 205 is pressed against the spraying element 207, and the other end is pressed against the wall of the water inlet 2022, so as to seal the gap between the spraying element 207 and the wall of the water inlet 2022, and avoid the situation that the hot water entering from the water inlet joint 206 overflows from the gap between the spraying element 207 and the wall of the water inlet 2022.

When the coffee machine is used, the third sealing element 205 is arranged between the water inlet 2022 and the spraying element 207, one end of the third sealing element 205 is pressed against the spraying element 207, and the other end of the third sealing element is pressed against the hole wall of the water inlet 2022, so that the situation that the electric elements inside the coffee machine are damaged after water vapor overflows and condenses is avoided.

When in use, be equipped with storage water tank 400 in installation area 101, be equipped with inlet opening 2022 at the top of lid 202, be equipped with water inlet connector 206 on inlet opening 2022, be equipped with spraying piece 207 in mixing space 209, spraying piece 207's top is located in inlet opening 2022, lateral part at storage water tank 400 is equipped with heating device 500, heating device 500 includes heating pipe 501, heating pipe 501 one end is connected with storage water tank 400, the other end is connected with water inlet connector 206, water in storage water tank 400 is sprayed in mixing space 209 through spraying piece 207 after heating pipe 501 heats, can wash and melt the coffee powder that glues at mixing space 209 cell wall, avoid the condition that the coffee powder adhesion solidifies to take place.

When the coffee maker is used, the filter screen 208 plays a role in receiving and blocking coffee powder entering the mixing space 209 from the material guide channel 3013 through the material guide port 3014 and the feed port 2021, so that the situation that the coffee powder directly falls onto the base 201 is avoided, meanwhile, the coffee maker can block the coffee powder which cannot be dissolved when coffee is brewed, the taste of the coffee is improved, meanwhile, the sealing property between the material guide port 3014 and the feed port 2021 and the sealing property between the cover 202 and the base 201 can be effectively improved by arranging the first sealing element 203 between the base 201 and the cover 202 and arranging the second sealing element 204 between the cover 202 and the bean grinding cylinder 301, so that the sealing property of the coffee powder before entering the mixing space 209 and after entering the mixing space 209 is improved, and the situation that the coffee powder is scattered inside the coffee maker from a gap between the material guide port 3014 and the feed port 2021 and a gap between the cover 202 and the base 201 to cause adhesion is avoided.

The control device 600 is arranged in the installation area 101, the control device 600 comprises a fixed seat 602 fixedly arranged in the installation area 101, the heating pipe 501 is fixedly arranged on the fixed seat 602, the water pump 502 is arranged on the heating pipe 501, and the water pump 502 is used for pumping water in the water storage tank 400, entering the heating pipe 501 for heating treatment and then conveying the water to the mixing space 209 for brewing treatment of coffee powder in the mixing space 209.

The heating pipe 501 of this embodiment is a U-shaped pipe, and a heating wire or other heating structure is disposed in the U-shaped pipe to heat the water flowing into the U-shaped pipe.

The fixing base 602 is provided with a control circuit board 601, the control circuit board 601 is respectively connected with the driving motor 704, the water pump 502 and the heating pipe 501, and the control circuit board 601 is used for driving the starting and stopping of the driving motor 704, the water pump 502 and the heating pipe 501.

The box 100 of this embodiment comprises a first part 1001, a second part 1002 and a third part 1003 which are connected with each other, the water storage tank 400 is arranged in the first part 1001, the bean grinding device 300, the heating device 500 and the control device 600 are arranged in the second part 1002, the mixing device 200 is arranged in the third part 1003, a clamping hole 1004 is formed on the third part 1003, and the base 201 of the mixing device 200 is clamped in the clamping hole 1004.

An extension part (not shown, the same below) extending outwards is arranged on one side of the second part 1002, which is close to the third part 1003, a mounting groove (not shown, the same below) is formed in the extension part, and the third part 1003 enters and exits the mounting groove in a push-pull mode and is fixedly connected with the extension part in clamping, buckling, limiting, inserting and other modes.

The receiving container 104 of this embodiment is a cup, a bowl or other utensils used for storing liquid in the prior art, and does not belong to the technical content to be protected by the present invention.

The filter screen 208 of the present embodiment is a detachable component, and the combination of the base 201 and the cover 202 can be used alone to hold coffee powder and brew coffee, without affecting the normal use of the mixing device 200.

When the coffee machine of the embodiment is used, coffee beans enter the bean grinding bin 3011 from the feeding port, after being ground into coffee powder by the grinding assembly, the coffee powder passes through the material guide channel 3013 and the material guide port 3014 and then is sent into the mixing space 209 formed between the cover body 202 and the base 201 from the feeding port 2021 on the outer side wall of the cover body 202, compared with a traditional structure that the coffee powder automatically falls into the mixing device 200 from the bottom of the bean grinding mechanism by utilizing the gravity action, the coffee powder is fed from the side surface of the cover body 202, the phenomenon that the coffee powder is adhered to the inside of the coffee machine in the falling process is avoided, and the coffee powder is solidified due to condensed water generated in the coffee brewing process, so that the coffee powder is difficult to clean and the conditions of affecting the coffee quality and drinking safety due to mildew of the condensed water accumulated coffee for a long time are generated.

The embodiment also provides a coffee brewing method, which comprises the following steps:

opening the sealing cover 105 on the box body 100, feeding coffee beans into the material guide bin 3061 of the feeding piece 306, wherein the coffee beans enter the feeding gap 309 between the first grinding piece 302 and the second grinding piece 303 from the feeding port at the top of the bean grinding cylinder 301 through the material guide bin 3061 and the material guide hole 3051;

the driving motor 704 operates to drive the transmission shaft 701 to rotate through the driving gear 703 and the driven gear 702, so that the transmission shaft 701 drives the first grinding member 302 to rotate, the second grinding member 303 rotates along with the first grinding member 302 due to meshing connection with the first grinding member 302, and the coffee beans are ground into coffee powder to fall into the bottom of the bean grinding bin 3011 by using the first grinding teeth 3021 and the second grinding teeth 3031;

the distributing part 304 sleeved on the transmission shaft 701 rotates along with the transmission shaft 701, coffee powder falling into gaps between distributing sheets 3041 on the distributing part 304 is pushed in the bean grinding bin 3011 until the coffee powder is pushed into the material guide channel 3013, at the moment, the driving part 801 is started to rotate to drive the movable plate 803 to displace so that the material guide port 3014 and the material feed port 2021 are communicated through the first through groove 8031, and the coffee powder enters the mixing space 209 through the material guide port 3014, the first through groove 8031 and the material feed port 2021 in sequence by the guidance of the material guide channel 3013;

after the coffee powder is fed into the mixing space 209, the driving member 801 is started to rotate to drive the movable plate 803 to reset, and the movable plate 803 is used for separating the material guide port 3014 from the material feed port 2021;

after the material guide port 3014 and the material feed port 2021 are separated, water in the water storage tank 400 is sent into the heating pipe 501 for heating under the action of the water pump 502, then enters the cover 202 through the water inlet connector 206, is sprayed in the mixing space 209 by the spraying piece 207, is mixed with coffee powder in the mixing space 209 for brewing coffee, and the coffee falls into the material receiving area 102 from the discharge hole 2011 of the base 201 after being filtered by the filter screen 208, and enters the material receiving container 104 on the material receiving platform 103.

In the coffee machine provided by the embodiment, the first sealing member 203 is arranged between the base 201 and the cover 202, and the second sealing member 204 is arranged between the cover 202 and the bean grinding cylinder 301, so that when in use, in the process of feeding coffee powder into the mixing space 209 from the material guide channel 3013 through the material guide port 3014 and the material inlet 2021, the coffee powder is prevented from splashing from the gap between the cover 202 and the bean grinding cylinder 301 and the gap between the cover 202 and the base 201 and attaching to the inside of the installation area 101, which causes the situation that the inside of the installation area 101 is difficult to clean; meanwhile, a third sealing element 205 is arranged between the spraying element 207 and the hole wall of the water inlet 2022 of the cover 202, so that the situation that the water vapor of the hot water entering the mixing space 209 from the water inlet 2022 overflows into the installation region 101 from the space between the spraying element 207 and the hole wall of the water inlet 2022 of the cover 202 to damage the electric elements in the installation region 101 is avoided, and when coffee powder is attached to the installation region 101, the water vapor can cause the coffee powder to solidify and mold for a long time to influence the quality of the coffee brewed by the subsequent coffee machine; for traditional coffee machine mechanism that material was thrown from mixing arrangement 200 top to grinding device 300, the feeding structure of coffee powder is carried out to grinding device 300 from mixing arrangement 200 side of this embodiment utilizes the guide passageway 3013 of slope, the in-process that avoids coffee powder to fall into mixing arrangement 200 from grinding the bean mechanism under the action of gravity produces coffee powder and splashes and lead to mixing arrangement 200's top and the inside powder that glues of coffee machine to lead to the comdenstion water that produces when boiling coffee to lead to leading to the coffee powder to solidify, it is difficult to clean, long-time accumulation mildenes and rot influences the coffee quality and drink safe condition emergence.

The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims (10)

1. The coffee machine is characterized by comprising a box body, wherein a mounting area is formed inside the box body, a mixing device is arranged in the mounting area, the mixing device comprises a base, the bottom end of the base extends out of the mounting area, a cover body is arranged at the top of the base, a mixing space is formed between the cover body and the base, and a feed inlet which is communicated with the mixing space is formed in the outer side wall of the cover body;

be equipped with in the installation area and grind the beans device, grind the beans device and locate mixing arrangement's lateral part, grind the beans device including grinding a beans section of thick bamboo grind a beans section of thick bamboo be formed with in grinding a beans section of thick bamboo and grind the beans storehouse and be equipped with grinding assembly grind the top of a beans section of thick bamboo and be formed with the dog-house grind a beans section of thick bamboo orientation grind a beans section of thick bamboo and seted up the guide mouth on the section of thick bamboo wall of feed inlet, dog-house and guide mouth all switch on grind the beans storehouse grind and be formed with the guide passageway between beans storehouse and the guide mouth, the guide passageway is by grinding a beans storehouse toward guide mouth direction downward sloping, the guide mouth intercommunication the feed inlet.

2. The coffee machine of claim 1, wherein a filter screen is embedded in the base, a top end of the filter screen extends out of the base, a first sealing element is arranged between the base and the cover, the first sealing element is arranged at the top end of the base, a sealing gap is formed between the first sealing element and the filter screen, a bottom end of the cover is embedded in the sealing gap, a second sealing element is arranged between the cover and the bean grinding cylinder, one end of the second sealing element is pressed against the cover, the other end of the second sealing element is pressed against the bean grinding cylinder, the second sealing element is annular, a via hole which is communicated with the feed inlet and the feed inlet is formed, a hole wall of the via hole inclines downwards from the feed inlet to the feed inlet, one end of the via hole is connected with the feed inlet, and the other end of the via hole is connected with the feed inlet.

3. The coffee machine as claimed in claim 2, characterized in that an insertion block is provided on a side of the first sealing element facing the bean grinding cylinder, an insertion groove is provided at a position of the cover body near the feed opening, the insertion block is engaged with the insertion groove, an engagement convex edge is provided on a side of the second sealing element near the cover body, an engagement groove is formed on the insertion block, the engagement convex edge is engaged in the engagement groove and pressed against the cover body, a driving element is provided in the mounting area, a movable plate is provided between the second sealing element and the cylinder wall of the bean grinding cylinder, the driving element is in transmission connection with the movable plate, and a first through groove is provided on the movable plate, the first through groove being engaged with the guide opening and the feed opening.

4. A coffee machine according to any one of claims 1 to 3, characterized in that said grinding assembly comprises a first grinding member and a second grinding member, a rotatable drive shaft being provided in said grinding cylinder, said first grinding member being fitted on said drive shaft, said first grinding member being conical or frustoconical, first grinding teeth being provided on an outer peripheral wall of said first grinding member, said second grinding member being cylindrical and formed with a mounting hole, said second grinding member being fitted on said first grinding member, second grinding teeth being provided on an inner peripheral wall of said mounting hole of said second grinding member, said second grinding teeth being engaged with said first grinding teeth.

5. A coffee machine according to claim 4, characterized in that the first grinding teeth are provided on the peripheral wall of the bottom end of the first grinding member, the second grinding teeth are provided on the bottom end of the mounting hole, the inner wall of the mounting hole is inclined outwards from the top end of the second grinding teeth towards the top end of the second grinding member, a feed gap is formed between the inner wall of the mounting hole and the outer wall of the first grinding member, the feed gap is funnel-shaped, and one end of the guide channel is located below the feed gap.

6. A coffee machine according to claim 5, characterized in that a guide member is sleeved on the top end of the second grinding member, a feeding member is sleeved on the top end of the guide member, a sealing cover is arranged on the top end of the feeding member, the feeding member is funnel-shaped, a material guiding bin is formed inside the feeding member, a material guiding hole communicated with the material guiding bin is formed on the guide member, and the hole wall of the material guiding hole is inclined from the top end of the guide member to the direction of the feeding gap.

7. A coffee machine according to claim 5, characterized in that a downward extending extension part is arranged at the bottom of the bean grinding cylinder, a mounting bin is formed in the extension part, a partition plate is arranged between the mounting bin and the bean grinding bin, the partition plate is inclined downwards from the bean grinding bin to the material guide port, a fixing hole is formed in the partition plate, a driving motor is arranged at one end of the bottom end of the extension part, which is far away from the material feeding port, a motor shaft of the driving motor extends into the mounting bin, a driving gear is sleeved on the motor shaft of the driving motor, a driven gear is meshed with the driving gear, a transmission shaft is fixedly arranged on the driven gear, and the top end of the transmission shaft extends into the bean grinding bin through the fixing hole and is connected with the first grinding part.

8. The coffee machine of claim 5, wherein a material distributing member is provided at the bottom of the first grinding member, the material distributing member is sleeved on the transmission shaft, a plurality of material distributing sheets are provided on the outer peripheral wall of the material distributing member, and the end of the material distributing sheet facing away from the transmission shaft extends into the material guiding channel or is close to the end of the material guiding channel.

9. A coffee machine according to any one of claims 1 to 3, characterized in that a water storage tank is provided in the installation area, a water inlet is provided at the top of the cover, a fixing plate is provided above the water inlet, a water inlet connector is provided at the side of the fixing plate facing away from the cover, the water inlet connector connects to the water inlet, a sprinkler is provided in the mixing space, the top end of the sprinkler is provided in the water inlet, a third sealing member is provided between the water inlet and the sprinkler, one end of the third sealing member abuts against the sprinkler, the other end abuts against the wall of the water inlet, a heating device is provided at the side of the water storage tank, the heating device comprises a heating pipe, one end of the heating pipe is connected to the water storage tank, and the other end is connected to the water inlet connector.

10. A coffee machine according to any one of claims 1 to 3, characterized in that a material receiving area is formed on the side of the box, a material receiving platform extending towards the direction of the material receiving area is arranged at the bottom of the box, the bottom end of the base is suspended in the material receiving area, at least one discharge hole is arranged on the base, and the discharge hole is communicated with the mixing space.

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