CN208524660U - A kind of coffee machine with detachable beans case - Google Patents

Abstract

The utility model provides a kind of coffee machine with detachable beans case, including mill body component and beans case, and mill body component includes mill body, and beans case includes cylinder and the mounting portion positioned at one axial end of cylinder, and mounting portion is connected through a screw thread with mill body；Cylinder is equipped with spring clamping device；Spring clamping device includes cover, elastic component and fixed column, is equipped with mounting groove in cylinder, elastic component and fixed column are located in mounting groove, and cover is mounted on the roof of mounting groove；The both ends of elastic component are connected on cover and fixed column respectively, and the bottom end of fixed column has columnar abutting part, and the diameter of abutting part is less than the diameter of fixed column, and abutting part passes through the bottom wall of mounting groove and is connected in mill body.Beans case is removably secured with mill body to be connect, and the recycling of coffee bean and the cleaning of beans case in beans case can be easy to implement.The setting of spring clamping device is easy to implement the tight fit between beans case and mill body.In addition, the adjusting of coffee powder fineness can be achieved by the rotation of beans case.

Description

A kind of coffee machine with detachable beans case

Technical field

The utility model relates to coffee machine fields, specifically, being to be related to a kind of coffee machine with detachable beans case.

Background technique

Mill body is usually integrally formed with beans case in existing coffee machine, cannot be unpicked and washed, and inconvenient withdraw coffee bean is stored, Also beans wheel can not be ground to beans case and up and down to clean.It is existing that there are also a kind of coffee machines to pass through connector for mill body and the progress of beans case Connection, this coffee-making machine structure are complicated.Coffee powder fineness is adjusted in above two cannot achieve, therefore cannot Meets the needs of different clients taste.

Summary of the invention

The purpose of the utility model is to provide one kind it is convenient for that beans case clean while can be realized to coffee powder thickness The coffee machine with detachable beans case that degree is adjusted.

To achieve the above object, the utility model provides a kind of coffee machine with detachable beans case, including mill body component With beans case, mill body component includes mill body, and beans case includes cylinder and the mounting portion positioned at one axial end of cylinder, and mounting portion and mill body are logical Cross threaded connection；Spring clamping device is provided on cylinder, one end of spring clamping device is fixed on cylinder, elastic clamping dress The other end set is connected in mill body；Spring clamping device includes cover, elastic component and fixed column, and installation is provided in cylinder Slot, elastic component and fixed column are located in mounting groove, and cover is mounted on the roof of mounting groove；The both ends of elastic component abut respectively On cover and fixed column, the bottom end of fixed column has columnar abutting part, and the diameter of abutting part is less than the diameter of fixed column, Abutting part passes through the bottom wall of mounting groove and is connected in mill body.

By above scheme as it can be seen that beans case is removably secured with mill body and connect, time of coffee bean in beans case can be easy to implement The cleaning of receipts and beans case.The setting of spring clamping device is easy to implement the tight fit between beans case and mill body.In addition, passing through The adjusting of coffee powder fineness can be achieved in the rotation of beans case.

One Preferable scheme is that, the roof of mill body is provided with the multiple locating slots being arranged circumferentially along mill body, Abutting part is connected in one of locating slot, is provided on the periphery wall of mounting portion one end along cylinder on cylinder The stopper section to extend radially outwardly, stopper section are covered on the top of locating slot.

It can be seen that being positioned to abutting part when beans case rotational fastener is convenient in the setting of locating slot, preventing abutting part from existing It is slided on mill body roof, in addition the setting of stopper section can prevent dust or other sundries from entering in locating slot, make screwing for beans case Process has some setbacks.

Further embodiment is that the lower end of abutting part is hemispherical, the shape of locating slot and the shape of abutting part lower end Shape matches, the upper peripheral edge of locating slot and the roof arc-shaped transition of mill body.

It can be seen that, it can be achieved that the smooth engagement of abutting part and locating slot.

One Preferable scheme is that, the quantity of spring clamping device is two, and two spring clamping devices are relative to beans case Central axis be arranged symmetrically.

It can be seen that guaranteeing beans case stress balance in rotary course.

One Preferable scheme is that, the mill body component further includes upper mill beans wheel, the lower mill beans of motor and coaxial arrangement Wheel and lower mill beans wheel mounting rack, mill body is interior to be equipped with mill beans chamber, and the lower section of mill beans chamber is arranged in the motor, and the drive shaft of motor is stretched It is intracavitary to enter to grind beans, upper mill beans wheel, lower mill beans wheel and lower mill beans wheel mounting rack are intracavitary positioned at mill beans, lower mill beans wheel mounting rack and drive Moving axis is fixedly connected, and upper mill beans wheel is fixed on the bottom of mounting portion, and lower mill beans wheel is fixed on lower mill beans wheel mounting rack.

It can be seen that upper mill beans wheel is removably secured with beans case and connect, lower mill beans wheel and lower mill beans wheel mounting rack are removable It is fixedly connected with unloading, convenient for upper mill beans wheel and lower mill beans wheel are cleaned and assembled.

Further embodiment is that lower mill beans wheel mounting rack is threadedly coupled with drive shaft.

It can be seen that lower mill beans wheel mounting rack is threadedly coupled with drive shaft and is easy to implement lower mill beans wheel and tears open from drive shaft It unloads and installs, in order to which lower mill beans wheel mounting rack and lower mill beans wheel are cleaned and assembled.

Further embodiment is that coffee machine further includes that brewing unit has coffee brewing box, and mill beans chamber, mill are equipped in mill body Beans chamber has meal outlet, is provided with powder feeding pipes at meal outlet, the fixing end of powder feeding pipes is mounted in mill body, powder feeding pipes Free end is protruded into coffee brewing box.

It can be seen that powder feeding pipes are used to ground ground coffee being sent into brewing unit.

Detailed description of the invention

Fig. 1 is that the utility model coffee machine embodiment hides the structural schematic diagram after coffee machine housings.

Fig. 2 is that the utility model coffee machine embodiment hides the cross-sectional view after coffee machine housings.

Fig. 3 is the structural exploded view that beans unit is ground in the utility model coffee machine embodiment.

Fig. 4 is the structural schematic diagram of beans case in the utility model coffee machine embodiment.

Fig. 5 is the cross-sectional view that beans unit is ground in the utility model coffee machine embodiment.

Fig. 6 is the structural exploded view of the device for interchanging of coffee brewing box in the utility model coffee machine embodiment.

Fig. 7 is structural schematic diagram when pressing device is in released position in the utility model coffee machine embodiment.

Fig. 8 is structural schematic diagram when pressing device is in compacted position in the utility model coffee machine embodiment.

Fig. 9 is the cross-sectional view of the utility model coffee machine embodiment middle sleeve pressure head.

Figure 10 is the structural exploded view of the utility model coffee machine embodiment middle sleeve pressure head.

Figure 11 is the structural exploded view of coffee capsule case for soaking in the utility model coffee machine embodiment.

Figure 12 is cuing open for coffee capsule case for soaking in the utility model coffee machine embodiment, box body mounting base and pressing device View.

The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.

Specific embodiment

Referring to Fig. 1, the coffee machine of the present embodiment includes brewing unit 1 and mill beans unit 5, and mill beans unit 5 is used for coffee Beans wear into ground coffee, and brewing unit 1 will be for that will grind the brewing of ground coffee made of beans unit 5 into coffee liquid.

Referring to fig. 2 to Fig. 5, grinding beans unit 5 includes mill body component and beans case 52, and mill body component includes mill body 51, motor 54 And upper mill beans wheel 71, lower mill beans wheel 72 and the lower mill beans wheel mounting rack 73 of coaxial arrangement.Mill beans chamber is provided in mill body 51 511, beans case 52 includes cylinder 521 and the mounting portion 522 positioned at 521 1 axial end of cylinder, and mounting portion 522 and mill body 51 pass through spiral shell Line connection.Spring clamping device, two spring clamping devices are in relative to the central axis of beans case 52 there are two settings on cylinder 521 It is arranged symmetrically.One end of spring clamping device is fixed on beans case 52, and the other end of spring clamping device is connected in mill body 51.

Spring clamping device includes cover 61, elastic component 62 and fixed column 63, is provided with mounting groove in cylinder 521 5211, elastic component 62 and fixed column 63 are located in mounting groove 5211, and cover 61 is mounted on the roof of mounting groove 5211.Elasticity The both ends of part 62 are connected to respectively on cover 61 and fixed column 63.Preferably, elastic component 62 is spring.The bottom end of fixed column 63 With columnar abutting part 64, the diameter of abutting part 64 is less than the diameter of fixed column 63, and abutting part 64 passes through mounting groove 5211 Bottom wall is simultaneously connected in mill body 51.The roof of mill body 51 is provided with the multiple locating slots being arranged circumferentially along mill body 51 512, abutting part 64 is connected in one of locating slot 512, is set on the periphery wall of 522 one end of mounting portion on cylinder 521 It is equipped with the stopper section 523 to extend radially outwardly along cylinder 521, stopper section 523 is covered on the top of locating slot 512.It abuts The lower end in portion 64 is hemispherical, and the shape of locating slot 512 and the shape of 64 lower end of abutting part match, locating slot 512 The roof arc-shaped transition of upper peripheral edge and mill body 51.

The lower section of mill beans chamber 511 is arranged in motor 54, and the drive shaft 541 of motor 54 protrudes into mill beans chamber 511, upper mill beans wheel 71, lower mill beans wheel 72 and lower mill beans wheel mounting rack 73 are located in mill beans chamber 511, lower mill beans wheel mounting rack 73 and drive shaft 541 It is removably secured connection by screw thread, the bottom of mounting portion 522 is equipped with mounting groove 5221, and upper mill beans wheel 71 passes through multiple first Screw is removably attached in mounting groove 5221, and lower mill beans wheel 72 is removably attached to lower mill beans by multiple second screws It takes turns on mounting rack 73, upper mill beans wheel 71 and lower about 72 mill beans wheel are oppositely arranged.Coffee machine can be adjusted by rotation beans case 52 The size in gap between upper mill beans wheel 71 and lower mill beans wheel 72, to realize the adjusting to coffee powder fineness.

Grinding on beans chamber 511 has meal outlet 513 close to 1 side of brewing unit, is provided with powder feeding pipes at meal outlet 513 55, the fixing end of powder feeding pipes 55 is mounted in mill body 51, the free end of powder feeding pipes 55 be located at coffee brewing box 3 opening and Between compacting part.Compacting part is the casing pressure head 251 of pressing device 25 in the present embodiment, hereinafter will be described in detail its knot Structure.The position of the fixing end of powder feeding pipes 55 is higher than the position of the free end of powder feeding pipes 55.Preferably, powder feeding pipes 55 are by silicon The flexible materials such as rubber are made.Compacting part can move down and the free end of powder feeding pipes 55 is driven to deform, and work as compressed part When the bottom wall of part and the peripheral wall of coffee brewing box 3 are fitted close, compacting part is connected to the free end of powder feeding pipes 55, will send The ground coffee outlet 552 of 55 free end of powder pipeline is closed.

As shown in figure 3, the outer wall of meal outlet 513 is equipped at least two fixed lobes 514, on powder feeding pipes 55 with fixation Mounting hole 551 is offered at raised 514 corresponding positions, fixed lobe 514, which is inserted into mounting hole 551, consolidates powder feeding pipes 55 It is scheduled in mill body 51.

Referring to Fig. 6 to Fig. 8, brewing unit 1 includes the device for interchanging of coffee brewing box, the device for interchanging include pedestal 21, Box body mounting base, coffee brewing box 3 and pressing device 25.

Fig. 2 and Fig. 6 to the coffee brewing box 3 into Fig. 8 for containing ground coffee, the top perimeter of coffee brewing box 3 to Outer fold forms mounting portion 31, and mounting portion 31 is located at the top of 221 peripheral wall of box body accommodating chamber, and pressing device 25 is connected to mounting portion On 31.

Pedestal 21 has top opening 211 and side opening 212, has the box body accommodating chamber 221 being connected in box body mounting base With coffee flow outlet 222, box body accommodating chamber 221 is coffee brewing box installation position, and coffee brewing box 3 is located at box body accommodating chamber In 221, box body accommodating chamber 221 protrudes into pedestal 21 from side opening 212, and box body mounting base can do level along side opening 212 It is mobile.The top of coffee brewing box 3 is equipped with opening, for injecting high-pressure water heating into coffee brewing box 3, coffee brewing box 3 Bottom has fluid hole, and fluid hole is connected to box body accommodating chamber 221.

Recessing groove 213 is provided between pedestal 21 and coffee brewing box 3, recessing groove 213 is located at pedestal 21 close to mill beans list The side of member 5, while compacting part compresses downwards coffee brewing box 3, the free end compressive deformation of powder feeding pipes 55, after deformation Powder feeding pipes 55 free end be compacted component squeeze recessing groove 213 in, thus make powder feeding pipes 55 ground coffee export 552 It is closed.

Pressing device 25 includes casing pressure head 251, shell, motor 253.Shell includes cylinder 2521 and is mounted on cylinder The upper cover 2522 of 2521 upper ends, motor 253 are mounted on motor cabinet 256, and motor cabinet 256 is mounted on the lower section of upper cover 2522 simultaneously In cylinder 2521.Upper cover 2522 is removably mounted on cylinder 2521, and motor cabinet 256 is removably mounted on upper cover On 2522, therefore, the assembly and disassembly of coffee machine are easy to implement, while being convenient for the maintenance of coffee machine.Casing pressure head 251 is mounted on Inside cylinder 2521, the drive shaft of motor 253 is protruded into inside cylinder 2521, and the first connector is fixed in drive shaft, and first connects Fitting is screw head 2531.

Casing pressure head 251 is open-topped tubular, and screw head 2531 is threadedly coupled with the internal perisporium of casing pressure head 251, Screw head 2531 is threadedly coupled with casing pressure head and drive sleeve pressure head 251 back and forth moves between compacted position and released position It is dynamic.

Referring to Fig. 1, Fig. 9 and Figure 10, there are three the first guide post 2513 and one for setting on the periphery wall of casing pressure head 251 Second guide post 2514, four guide post extending radially outwardly along casing pressure head 251, and four guide posts are along casing The length direction of pressure head 251 includes two the first guide posts 2513 in two column arrangements, a column, and another column include one first guiding Column 2513 and second guide post 2514, two column guide posts are arranged symmetrically relative to the central axis of casing pressure head 251, cylinder The guide openings 2523 that two length directions along cylinder 2521 extend are offered on 2521, two column guide posts are respectively along two Guide openings 2523 are mobile.In addition, due to the setting of the first guide post 2513 and the second guide post 2514, so that casing pressure head 251 and shell it is relatively fixed in the circumferential direction of shell, when the first guide post 2513 and the second guide post 2514 are along guide openings When 2523 movement, prevent casing pressure head 251 from rotating in the circumferential.

The internal perisporium of cylinder 2521 is equipped with first positive stop lug boss radially inwardly extending from the internal perisporium of cylinder 2521 2524, stopper section 2511 is provided on the periphery wall of casing pressure head 251, stopper section 2511 and the first positive stop lug boss 2524 are adjacent； The second positive stop lug boss 2512, the end of the second positive stop lug boss 2512 and screw head 2531 are provided in the inner bottom wall of casing pressure head 251 Portion is adjacent.The setting of first positive stop lug boss 2524 and the second positive stop lug boss 2512 is convenient for casing pressure head 251 in the vertical direction Displacement limited.

Upper filter screen 26 is installed, upper filter screen 26 is convexly curved setting, and screw 28 passes through on the bottom wall of casing pressure head 251 Upper filter screen 26 is fixed on casing pressure head 251 by the center of upper filter screen 26, and the periphery of upper filter screen 26 is connected to casing pressure head 251 On bottom wall.The bottom of casing pressure head 251 is connected on the peripheral wall of coffee brewing box 3, the periphery setting of the bottom wall of casing pressure head 251 There is ring type seal 27, ring type seal 27 and the peripheral wall of coffee brewing box 3 are fitted close to form sealing.Preferably, it seals Circle 27 is made of rubber elastomeric material.

Aquaporin is offered on casing pressure head 251, the outlet of aquaporin between casing pressure head 251 and upper filter screen 26, And the outlet of aquaporin is located at the middle part of sealing, and high-pressure water heating flows through aquaporin and sprays into coffee brewing box 3.Aquaporin Including the runner 254 and multiple runners 255 being connected, multiple runners 255 are arranged in around screw 28 in dispersion shape, runner 254 are located in the second guide post 2514 and along the center for axially extending to general casing pressure head 251 of the second guide post 2514 Shaft position.Screw 28 includes head 281 and bar portion 282, and bar portion 282 is threadedly coupled with casing pressure head 251, the axial direction of bar portion 282 End offers the blind hole 283 extended in the axial direction, and the first end of runner 254 is connected to outside, i.e., high-pressure water heating is oriented to from second The first end of runner 254 in column 2514 introduces in brewing unit 1, and the second end of runner 254 is connected to blind hole 283, bar portion 282 It is also provided with the through-hole 284 for running through bar portion 282 radially, through-hole 284 is located at the position of 283 bottom of blind hole, through-hole 284 are connected to blind hole 283, and the first end of runner 255 is connected to through-hole 284, the second end of runner 255 with it is small on upper filter screen 26 Hole connection.High-pressure water heating is after the first end of runner 254 inflow casing pressure head 251, after blind hole 283 and through-hole 284 It is equably sprayed into coffee brewing box 3 into runner 255 and from the aperture on upper filter screen 26.

As shown in fig. 6, box body mounting base includes that the coffee flow being connected is lifted one's head 23 and pedestal 24, box body accommodating chamber 221 It is arranged on pedestal 24, the bottom wall of box body accommodating chamber 221 is obliquely installed towards runner 241.Coffee flow outlet 222 is arranged in coffee Coffee liquid stream lift one's head 23 bottom, coffee flow lifts one's head the runners 231 for being equipped in 23 and being connected to coffee flow outlet 222, pedestal 24 The interior runner 241 for being equipped with connection runner 231 and box body accommodating chamber 221, runner 241 are located at the bottom of 221 side wall of box body accommodating chamber, The bottom wall of runner 241 is obliquely installed from top to bottom from 221 side of box body accommodating chamber to coffee flow, 23 sides of lifting one's head.Runner 241 The bottom wall of bottom wall his box body accommodating chamber 221 be obliquely installed the coffee flowed out from fluid hole can be made all to flow to coffee flow Outlet 222.

Coffee brewing box in Figure 11 and Figure 12 is the coffee capsule case for soaking 4 for containing coffee capsule 10, coffee glue Capsule case for soaking 4 includes box body 41 and lid 42, and the lid 42 of tubular tips upside down in the box body 41 of tubular, in lid 42 and box body 41 Portion surrounds coffee capsule accommodating cavity, and positioning region 43 is provided on the periphery wall of lid 42, and positioning region 43 is the radial direction along lid 42 From the outwardly extending protrusion of the periphery wall of lid 42, positioning region 43 is located at the top of 41 accommodating chamber of box body, 221 peripheral wall, pressing device 25 are connected on positioning region 43.The outer surface of 42 roof of lid is the curved surface of indent, and the lowest point of curved surface is located at 42 roof of lid Center, the center of 42 roof of lid is equipped with high-pressure water heating inlet 44, and the inner surface of 42 roof of lid is equipped with Puncturing blade 45, after box body mounting base is pushed into pedestal 24,253 drive sleeve pressure head 251 of motor is moved down, casing pressure head 251 contacted with lid 42 after push lid 42 to move downwardly together, so that puncturing blade 45 be made to puncture coffee capsule 10, in order to High-pressure water heating enters inside coffee capsule 10.

The working method of the coffee machine to the utility model is made into following introduce below.

The working method of coffee machine includes the following steps:

Coffee bean is put into beans case 52, coffee machine is started, grinds beans unit 5 for coffee bean grinding into ground coffee.

Ground coffee is entered in coffee brewing box 3 from mill beans chamber 511 by powder feeding pipes 55.

After having sent ground coffee, motor 253 drives screw head 2531 to rotate, so that drive sleeve pressure head 251 moves down, and Casing pressure head 251 is moved downward to casing pressure head 251 and coffee brewing box 3 and is fitted close, and casing pressure head 251 is to powder feeding pipes 55 Free end apply pressure, powder feeding pipes 55 free end deformation and ground coffee outlet 552 sealing.

High-pressure water heating is sent into brewing unit 1 from the external port of the second guide post 2514, followed by runner 254, screw 28 On blind hole 283, the through-hole 284 on screw 28, after runner 255, sprayed from the aperture of upper filter screen 26 into coffee brewing box 3.

The coffee liquid made from the fluid hole of 3 bottom of coffee brewing box flow out, and followed by box body accommodating chamber 221, Runner 241, runner 231 are simultaneously lifted one's head 23 222 outflow of coffee flow outlet from coffee flow, and user can export in coffee flow Coffee cup is placed to take coffee liquid drink in 222 lower section.

In addition, the first connector may be gear, correspondingly, pressing device further includes the second connector, second company Fitting is rack gear, and rack gear is fixed on the internal perisporium of casing pressure head and along being parallel to the axially extending of casing pressure head, gear with Rack gear is meshed.The free end of deformed powder feeding pipes can also be clamped at compacting part and coffee brewing box peripheral wall it Between.In addition, powder feeding pipes can also be connected with the hose made by flexible material by the hard tube that hard material makes and be formed, Middle hard tube is fixed in mill body as the fixing end of powder feeding pipes, and hose protrudes into coffee brewing box as powder feeding pipes free end It is interior.Above scheme is also able to achieve the purpose of this utility model.

Therefore the drive shaft of motor is threadedly coupled with casing pressure head, drive shaft drives during rotating and reverse Casing pressure head moves back and forth up and down, to realize that casing pressure head compresses downwards the function of coffee brewing box, which is compared With the prior art, structure is simple, is easy to implement automation, and easy to maintain and use.

It is a kind of pack style coffee be put into coffee brewing box after, coffee brewing box is installed to the box body of box body mounting base In accommodating chamber, box body mounting base is pushed to be installed in pedestal from the side opening of pedestal, pressing device compresses downwards and is connected to coffee On the peripheral wall of coffee case for soaking.When needing replacing the coffee of other kind of packaging style, pressing device unclamps coffee brewing box, by box body Mounting base is extracted out from pedestal, replaces coffee and coffee brewing box type after cleaning box body mounting base.Pouring box of coffee-making machine it is mutual Changing device can realize a tractor serves several purposes, and whether ground coffee either coffee capsule can brew out mellowness in a coffee machine Palatable coffee adapts to the needs of Different Package mode.In addition, pressing device is connected on the peripheral wall of coffee brewing box thus will Coffee brewing box compress, the stress of such coffee brewing box more evenly, thus prevent coffee brewing box damage.

After mill beans unit has sent ground coffee into coffee brewing box, compacting part moves down and compresses powder feeding pipes, will The ground coffee exit seal of powder feeding pipes free end.When need continue send ground coffee into coffee brewing box when, compacting part to Upper mobile powder feeding pipes restore shape under the action of elastic restoring force, and ground coffee outlet is opened, to realize the defeated of ground coffee It send.Compacting part and powder feeding pipes cooperation can prevent pipeline and grind the intracavitary ground coffee dampness bonding of beans.

Beans case is removably secured with mill body to be connect, and the clear of the recycling of coffee bean in beans case and beans case can be easy to implement It is clean.Upper mill beans wheel is removably secured with beans case to be connect, and lower mill beans wheel is removably secured with lower mill beans wheel mounting rack and connect, just It is cleaned and is assembled in upper mill beans wheel and lower mill beans wheel.The setting of spring clamping device is easy to implement between beans case and mill body Tight fit.In addition, the adjusting of coffee powder fineness can be achieved by the rotation of beans case.

Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality With novel, for those skilled in the art, the utility model can have various change and change, all in the utility model Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model Within enclosing.

Claims (7)

1. a kind of coffee machine with detachable beans case, including mill body component and beans case, the mill body component includes mill body, special Sign is,

The beans case includes cylinder and the mounting portion positioned at one axial end of cylinder, and the mounting portion and the mill body pass through spiral shell Line connection；Spring clamping device is provided on the cylinder, one end of the spring clamping device is fixed on the cylinder, institute The other end for stating spring clamping device is connected in the mill body；

The spring clamping device includes cover, elastic component and fixed column, and mounting groove, the elasticity are provided in the cylinder Part and the fixed column are located in the mounting groove, and the cover is mounted on the roof of the mounting groove；

The both ends of the elastic component are connected to respectively on the cover and the fixed column, and the bottom end of the fixed column has column The abutting part of shape, the diameter of the abutting part are less than the diameter of the fixed column, and the abutting part passes through the bottom of the mounting groove Wall is simultaneously connected in the mill body.

2. coffee machine according to claim 1, it is characterised in that:

The roof of the mill body is provided with the multiple locating slots being arranged circumferentially along the mill body, and the abutting part abuts In a wherein locating slot, it is provided on the periphery wall of described mounting portion one end along described on the cylinder The stopper section of cylinder to extend radially outwardly, the stopper section are covered on the top of the locating slot.

3. coffee machine according to claim 2, it is characterised in that:

The lower end of the abutting part is hemispherical, the shape phase of the shape of the locating slot and the abutting part lower end Match, the roof arc-shaped transition of the upper peripheral edge of the locating slot and the mill body.

4. coffee machine according to any one of claims 1 to 3, it is characterised in that:

The quantity of the spring clamping device is two, and two spring clamping devices are in relative to the central axis of the beans case It is arranged symmetrically.

5. coffee machine according to any one of claims 1 to 3, it is characterised in that:

The mill body component further includes the upper mill beans wheel, lower mill beans wheel and lower mill beans wheel mounting rack of motor and coaxial arrangement, institute It states and is equipped with mill beans chamber in mill body, the lower section of the mill beans chamber is arranged in the motor, and the drive shaft of the motor protrudes into the mill Beans are intracavitary, and it is intracavitary that the upper mill beans wheel, the lower mill beans wheel and the lower mill beans wheel mounting rack are located at the mill beans, under described Mill beans wheel mounting rack is fixedly connected with the drive shaft, and the upper mill beans wheel is fixed on the bottom of the mounting portion, the lower mill Beans wheel is fixed on the lower mill beans wheel mounting rack.

6. coffee machine according to claim 5, it is characterised in that:

The lower mill beans wheel mounting rack is threadedly coupled with the drive shaft.

7. coffee machine according to any one of claims 1 to 3, it is characterised in that:

The coffee machine further includes brewing unit, and the brewing unit has coffee brewing box, and mill beans chamber is equipped in the mill body, The mill beans chamber has meal outlet, is provided with powder feeding pipes at the meal outlet, the fixing end of the powder feeding pipes is mounted on institute It states in mill body, the free end of the powder feeding pipes is protruded into the coffee brewing box.