A kind of mill beans formula coffee machine
The utility model relates to a kind of mill beans formula coffee machine, relates in particular to the steam seal device of mill beans formula coffee machine.
The coffee machine of existing band bean-grinding function all can run into a problem; Exactly in the process of making coffee; Can not prevent well that steam from getting into coffee powder passage and mill beans system; Thereby cause the coffee powder caking can't clear up and grind beans system cisco unity malfunction, also had a strong impact on the quality of coffee liquid simultaneously, can not satisfy the demand of consumer quality coffee liquid.
For this reason, producer generally all is provided with the steam seal device in mill beans formula coffee machine, as disclosing a kind of coffee machine among the Chinese patent CN200820042634, comprises body, automatic grinding coffee beans device, brewery installations, control panel and container kettle; The bottom of said automatic grinding coffee beans device is provided with meal outlet; Meal outlet is provided with sealing gasket; Meal outlet below is provided with the coffee basket, is provided with the baffle plate that is connected with drive motors between coffee basket and the meal outlet, and the rotation through baffle plate realizes opening and sealing between coffee basket and the meal outlet.But because baffle plate is stressed less, have the gap easily between baffle plate and the meal outlet sealing gasket, and the baffle plate location is not accurate enough, can't seal fully.
Summary of the invention
The technical problem that the utility model will solve is to above-mentioned defective, and a kind of coffee machine mill beans formula coffee machine reliable, accurate positioning that seals is provided.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of mill beans formula coffee machine; Comprise the coffee bean lapping device and be located at the seal box under the coffee bean lapping device; It is characterized in that said seal box is provided with meal outlet, the meal outlet lower end is provided with brew funnel; Be provided with down potsherd between meal outlet and the coffee bean lapping device; Following potsherd is provided with down the potsherd through hole, and said mill beans formula coffee machine comprises that also driving potsherd rectilinear motion down makes down the drive unit that potsherd through hole and meal outlet are overlapping or stagger, and this drive unit comprises cam that is connected with synchronous motor that is located at down potsherd one end and the elastic reseting part that is located at down the potsherd other end.
Be snapped with the sealing lid on the said seal box, seal box covers and is provided with the sealing lid through hole that is communicated with the coffee bean lapping device.
Said sealing lid through hole below is provided with the last potsherd that can closely contact with following potsherd, and last potsherd is provided with and seals the overlapping last potsherd through hole of lid through hole.
Said going up between potsherd and the sealing lid is provided with sealing ring.
Said synchronous motor rotating shaft is provided with and the coaxial nose bar that is connected of cam, and the synchronous motor below is provided with first microswitch and second microswitch that limits the nose bar slewing area, is respectively equipped with the touching button of protrusion on first microswitch and second microswitch.
Said first microswitch and second microswitch below are respectively equipped with first block and second block; Said first block places first microswitch touching button stroke with interior and protrude first microswitch, and second block places second microswitch touching button stroke with interior and protrude second microswitch.
Said elastic reseting part is a spring.
Said potsherd down is provided with at least one Metallic rod or plastic bar, and said spring housing is connected on this Metallic rod or the plastic bar.
A kind of mill beans formula coffee machine; Comprise the coffee bean lapping device and be located at the seal box under the coffee bean lapping device; It is characterized in that; Said seal box is provided with meal outlet; The meal outlet lower end is provided with brew funnel, is provided with down ceramic film magazine and the following potsherd that places down in the ceramic film magazine between meal outlet and the coffee bean lapping device, is equipped with the through hole that supplies coffee powder to pass through on said potsherd down and the following ceramic film magazine; Said mill beans formula coffee machine comprises that also driving potsherd down and ceramic film magazine rectilinear motion down makes down the drive unit that potsherd through hole and meal outlet are overlapping or stagger, and this drive unit comprises cam that is connected with synchronous motor that is located at down ceramic film magazine one end and the elastic reseting part that is located at down the ceramic film magazine other end.
Said elastic reseting part is a spring, and said ceramic film magazine down is provided with at least one Metallic rod or plastic bar, and said spring housing is connected on this Metallic rod or the plastic bar.
The utility model adopts cam and spring to drive down potsherd and does linear reciprocating motion, thereby realizes being communicated with and sealing between brew funnel and the coffee bean lapping device, prevents the steam entering coffee bean lapping device in the brew funnel better.The utility model accurate positioning, sealing is reliable, resets easily, the dead point can not occur.
Description of drawings
Fig. 1 is the structural assembly figure of the utility model embodiment one;
Fig. 2 is the stereogram of embodiment one;
Fig. 3 is the upward view of embodiment one;
Fig. 4 is a seal box modular construction sketch map;
Fig. 5 is the cutaway view of seal box assembly;
Fig. 6 is sealing lid structural representation;
Fig. 7 is the structural representation under the embodiment one coffee brewing state;
Fig. 8 is the structural representation under the embodiment one coffee bean grinding state;
Fig. 9 is embodiment two structure of seal box sketch mapes;
Figure 10 is two times potsherd structural representations of embodiment.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing the utility model is done further explain.
Mill beans formula coffee machine shown in Fig. 1 to 8 comprises coffee bean lapping device (not shown), is located at the installing plate 11 of coffee bean lapping device bottom; This installing plate 11 is located in the coffee machine; Be embedded with seal box 12 on the installing plate 11, seal box 12 is provided with meal outlet 121, and meal outlet 121 communicates with the coffee bean lapping device so that the outflow of coffee powder; The below of installing plate 11 meal outlets 121 is provided with the brew funnel (not shown); Coffee powder gets in the brew funnel and at this through meal outlet 121 and mixes with hot water, finally brews into coffee liquid, and the below of brew funnel is provided with coffee liquid and holds easy (not shown).The utility model is that water in the coffee machine water tank (not shown) supplies to brew funnel after heater heating in order to the hot water of infusing coffee.Because of coffee bean lapping device, heater and the brew funnel of the utility model are identical with prior art, and not the innovation place of the utility model, so, be not described in detail in this simple description.
Because of brew funnel can produce a large amount of steam when the brewing coffee, get into the coffee bean lapping device in order to prevent steam from meal outlet, the utility model also is provided with the steam seal device between meal outlet 121 and brew funnel.This steam seal device comprises the following potsherd 13 that is arranged on 12 li of seal boxes; One end of seal box 12 is provided with the cam 15 that is connected with synchronous motor 18 rotating shafts; Cam 15 can be stirred down in rotation process, and potsherd 13 moves; Be fixed with at least one Metallic rod 132 on the following potsherd 13 of opposite end, cam 15 position, be provided with axis hole with Metallic rod 132 relative positions on seal box 12 sidewalls, Metallic rod 132 is passed from the axis hole of seal box 12; Be with spring 131 on the said Metallic rod 132, spring 131 difference overheads are in following potsherd 13 and seal box 12 sidewalls.
Said Metallic rod 132 mainly is in order to prevent that the spring 7 on the Metallic rod 132 from bending in compressed process, and in addition, Metallic rod 132 has also played guiding potsherd 13 effect of moving by the anticipation track down.In view of the above function of Metallic rod 132 can be known by inference; Metallic rod 132 is except making with metal material; Can also be with material such as plastics or potteries; It also can be two or more that the quantity of Metallic rod 132 can be one, does not depart from when potsherd 13 is moved, and the following potsherd 13 in the present embodiment is provided with two Metallic rod 132.
The top of seal box 12 is provided with sealing lid 17, and sealing lid 17 also is used as the support that carries miscellaneous part except in order to protection the seal box inner following potsherd 13 and cam 15 structures.Certainly, sealing lid 17 is not necessary parts, and sealing lid 17 can use other support components to replace fully.For keeping the connectedness between coffee bean lapping device and the meal outlet 121; Also be provided with the sealing lid through hole 171 that supplies coffee powder to pass through with seal box 12 correspondence positions on the sealing lid 17; The top of sealing lid through hole 171 is communicated with the coffee bean lapping device, and the below communicates with following potsherd through hole and meal outlet 121.
On the sealing lid 17 synchronous motor 18 is installed also; The rotating shaft of synchronous motor 18 is connected with nose bar 181; 15 coaxial connections of cam in nose bar 181 and the seal box 12, be provided with Simmer ring 184 to strengthen rotating shaft and to seal the sealing between the lid in synchronous motor 18 rotating shafts and sealing lid 17 contact positions.Said nose bar 181 is made up of two parts, has the colyliform parts in hole and the shaft that stretches out from colyliform parts periphery in the middle of comprising.On sealing lid 17, in the shaft of nose bar 181 scope that can reach, be provided with first microswitch 182 and second microswitch 183; Two microswitches are respectively equipped with the touching button on (182,183); The touching button slightly outwards protrudes so that 181 pairs of touching buttons of nose bar apply extruding force; Two microswitches (182,183) are connected with control panel respectively, and through the operating condition of control panel control synchronous motor 18, synchronous motor 18 drives nose bar 181 and rotates with cam 15 when rotating; When nose bar 181 touched the touching button of first microswitch 182 or second microswitch 183, synchronous motor 18 stopped operating.Have a determining deviation between two microswitches (182,183), this spacing size is by the rotation amplitude decision of nose bar 181 and cam 15.
Impact excessive and have influence on service life of two microswitches (182,183) for fear of the touching button of 181 pairs two microswitches of nose bar (182,183); Also be respectively equipped with first block 172 and second block 173 in the present embodiment in the bottom of first microswitch 182 and second microswitch 183; Be respectively equipped with the touching button of protrusion on first microswitch 182 and second microswitch 183; First block 172 places first microswitch 182 touching button strokes with interior and protrude first microswitch, 182, the second blocks 173 and place second microswitch, 183 touching button strokes with interior and protrude second microswitch 183.When nose bar 181 turns to first microswitch 182; Begin first microswitch, 182 touching buttons are exerted pressure; Promoting the touching button moves until the "on" position that changes first microswitch 182; Nose bar 181 continues to promote will receive stopping of first block 172 when the touching button moves, and makes nose bar 181 stop the touching button is exerted pressure, thereby has avoided nose bar 181 to cause first microswitch 182 to damage because of pressure is excessive.The setting of second block 173 is identical with first block 172, no longer is repeated in this description at this.
In order to strengthen the sealing between sealing lid through hole 171 and the following potsherd through hole; The utility model also is provided with sealing ring 16 on sealing lid through hole 171; But because the material of sealing ring 16 is comparatively coarse, and exists certain frictional force between the following potsherd 13, in order to reduce this unnecessary frictional force; The utility model also is fixed with potsherd 14 in sealing gasket 16 bottoms; Because last potsherd 14 and following potsherd 13 be by ceramic material, surperficial smoother, the coefficient of friction between the two reduces greatly.Certainly, last potsherd 14 of the utility model and following potsherd 13 also can adopt metal or plastic or other material to make except adopting ceramic material.
The operation principle of present embodiment is following: like Fig. 7, shown in Figure 8; Under the coffee machine original state, nose bar 181 is positioned at first microswitch, 182 places, and following potsherd through hole and meal outlet 121 stagger; Like this, the steam in the brew funnel can't get into the coffee bean lapping device.After coffee machine starts, synchronous motor 18 entrys into service, and drive nose bar 181 and cam 15 rotations; The spring 131 that cam 15 downward potsherds 13 are exerted pressure and made it translation take place and constantly push the other end; When nose bar 181 turns to second microswitch 183, the touching button on nose bar 181 extruding second microswitch 183, and send signal synchronous motor 18 is stopped operating; At this moment; Coffee machine gets into the coffee bean grinding state, and the meal outlet 121 on following potsherd through hole and the seal box is overlapping, and coffee bean becomes coffee powder under the grinding of coffee bean lapping device; Ground coffee powder flows out from the coffee powder passage, falls into brew funnel through sealing lid through hole 171, following potsherd through hole and seal box meal outlet 121.After the coffee powder in the brew funnel reached certain amount, the coffee bean lapping device quit work, and coffee machine synchronous motor 18 is switched on once more and taken a turn for the worse; Be that nose bar 181 beginnings are moved towards first microswitch, 182 directions, cam 15 takes place to rotate synchronously simultaneously, when nose bar 181 moves to first microswitch, 182 positions; Push the touching button on first microswitch 182, synchronous motor 18 is stopped operating once more, at this moment; The shaft of cam 15 discharges the pressure to following potsherd 13 gradually; Remove from following potsherd 13 until cam 15 shafts, promptly nose bar 7 is no longer exerted pressure to following potsherd 13, and following potsherd 13 is got back to initial position once more under the effect of spring 131 elastic force; Make coffee machine get into the coffee brewing state, so move back and forth.
Like Fig. 9, shown in Figure 10, embodiment two has increased time ceramic film magazine 133 on the basis of embodiment one, and miscellaneous part is all identical with embodiment one, no longer is repeated in this description at this.In the present embodiment, following potsherd 13 places down in the ceramic film magazine 133, and following ceramic film magazine 133 bottoms are provided with down ceramic film magazine through hole, and this through hole remains overlapping with following potsherd through hole.One end of Metallic rod 132 is fixedly connected with following ceramic film magazine 233; The other end passes the hole on the seal box 12; Be socketed with spring 131 on the Metallic rod 132; Ceramic film magazine 133 translations and promote down potsherd 13 translations with this under cam 15 promotes in rotating process, in the process of potsherd 13 and ceramic film magazine 133 translations down down, the two maintenance is static relatively.
Below only be some specific embodiments of the utility model, but the protection domain of the utility model is not limited thereto, all insubstantial modifications of on the utility model basis, making all will fall into the protection domain of the utility model.