CN209610852U - A kind of coffee machine - Google Patents

Abstract

The utility model embodiment provides a kind of coffee machine, including body, it further include set on the intracorporal bean grinding system of machine and brewing system and the controller on body, wherein: bean grinding system includes motor, the dynamic emery wheel being connected with the output end of motor, is used for and moves emery wheel cooperation ground coffee beans and the internal quiet abrasive wheel assembly being formed with into beans channel, into beans channel and being connected on body into beans mouth, quiet abrasive wheel assembly is detachable interior set on body and can be mobile to adjust the milling gap between the quiet emery wheel of quiet abrasive wheel assembly and dynamic emery wheel relative to body；Brewing system include for heat and convey brewing liquid brew component and with milling gap and brew component be connected for receiving, the ground coffee basket of mixed coffee powder and brewing liquid；It controller and motor and brews component and is connected, to control motor and brew the operation of component.The coffee-making machine structure of the utility model is simple, and mill beans are high-efficient, is less prone to stifled powder, hides powder phenomenon, simultaneous grinding gap is adjustable.

Description

A kind of coffee machine

Technical field

The utility model embodiment is related to field of household appliances, in particular to a kind of coffee machine.

Background technique

Coffee machine on the market at present, such as plain grinding bean milling machine, the lower beans mode of coffee bean are generally required by screw rod Coffee bean is pushed between two emery wheels and can just be ground by equal auxiliary bodies.Also part plain grinding bean milling machine does not have screw rod etc. Beans under auxiliary body, but such product can not adjust the thickness of ground coffee, the coffee ground obtain relatively simple, select less.Also There are some plain grinding bean milling machine emery wheels using being disposed vertically, the ground coffee after having ground is indirect to be fallen into coffee cup, is needed from side Side squeezes out, such as notification number is a kind of electric coffee grinder for being adjustable ground coffee fineness degree disclosed in the Chinese patent of CN201879519U Structure shown in beans device.

Therefore, it is found by the applicant that the generally existing disadvantage of bean grinding system in current coffee machine is: 1, spiral need to be used Gan Deng auxiliary body carries out lower beans, easily hides powder in lower beans grinding rear screw bar and channel, and structure is complicated for whole system, volume It is larger, user's later period not easy cleaning；2, the bean grinding system that lower beans are carried out without auxiliary bodies such as screw rods, is unable to adjust ground coffee Thickness causes ground coffee powder structure single, is not able to satisfy user demand.3, the setting orientation of abrasive wheel assembly is unreasonable, so that The ground coffee of milled cannot directly be sent out, and the loss of ground coffee during transportation is easily caused.

Utility model content

It is simple that the utility model provides a kind of structure, and mill beans are high-efficient, is less prone to stifled powder, hides powder phenomenon, simultaneously The adjustable coffee machine of milling gap.

In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of coffee machine, including body, and feature exists In further including set on the intracorporal bean grinding system of the machine and brewing system and the controller on the body, in which:

The bean grinding system includes motor, the dynamic emery wheel being connected with the output end of the motor, is used for and the dynamic emery wheel Cooperation ground coffee beans and the internal quiet abrasive wheel assembly being formed with into beans channel, it is described on beans channel and the body into beans Mouth connection, the quiet abrasive wheel assembly is detachable interior set on the body and can be described quiet to adjust relative to body movement Milling gap between the quiet emery wheel of abrasive wheel assembly and the dynamic emery wheel；

The brewing system include for heat and convey brewing liquid brew component and with the milling gap and punching Bubble component is connected for receiving, the ground coffee basket of mixed coffee powder and brewing liquid；

It the controller and the motor and brews component and is connected, to control the motor and brew the operation of component.This Bean grinding system in embodiment not only simplifies the knot of bean grinding system since the auxiliary bodies such as not set screw rod realize into beans Structure, and ground coffee caused by effectively preventing because of screw rod is hidden in into the phenomenon in beans channel and occurs.And by by quiet emery wheel Component is detachably set on main support and while can not only make the milling gap between two emery wheels adjustable relative to main support movement Section, and facilitate user to the cleaning into beans channel and emery wheel.

Preferably, the bean grinding system further includes main support, it is fixed in the body, the output of the motor End is protruded into the main support, and the dynamic emery wheel is set on the main support, and the quiet abrasive wheel assembly and the main support are removable Formula connection is unloaded, and can be mobile relative to the main support.The setting of main support can guarantee coffee machine operation when, bean grinding system Each component steadily limits in body.

Preferably, the dynamic emery wheel is connected by dynamic emery wheel fixator with the output end of the motor；The quiet emery wheel Component further includes quiet mill fixator, and the quiet emery wheel is installed on the quiet emery wheel fixator, described to be formed in institute into beans channel It states in quiet emery wheel fixator.The setting of quiet emery wheel fixator can not only preferably fix quiet emery wheel, and can be logical into beans Road provides installation space.

Preferably, the main support is equipped with the connector sleeve for capableing of opposite support frame as described above rotation, in the connector sleeve The screw thread of mating connection is respectively provided on the outside of side and the quiet emery wheel fixator；It is described when connector sleeve rotation Quiet emery wheel fixator is mobile to adjust the milling gap.The setting of the connector sleeve is used not only for matching with quiet emery wheel fixator It closes to adjust the size of milling gap, but also is able to maintain the size of the milling gap after adjusting, so that it will not generate easily Deviation.

Preferably, the side of the main support towards the quiet emery wheel is formed with link slot, the dynamic emery wheel is set to institute It states in link slot；One end of the connector sleeve is set to the main support and is equipped on the part of the link slot, and the other end stretches out institute State main support；One end that the quiet emery wheel fixator is connected with the quiet emery wheel protrude into the link slot and with the connector sleeve phase Even.The setting of link slot can preferably realize the connection between quiet emery wheel fixator and main support, while limit quiet emery wheel fixator Position in the radial direction thereof.

Preferably, quiet emery wheel fixator is equipped with the inner wall for sealing quiet the emery wheel fixator and the link slot Between gap sealing ring, avoid ground coffee from the gap overflow.

Preferably, the axial direction of the dynamic emery wheel is parallel with the bottom surface of the body, it is logical that the main support is equipped with powder Road, the ground coffee basket are located at below the powder channel, the both ends of the powder channel respectively with the milling gap and coffee Coffee powder basket is connected to, and is additionally provided in the body and is connected with the controller, to open or close under the control of the controller The closure door mechanism of the powder channel.For smoothly importing ground coffee in ground coffee basket, the mechanism that seals up a door is set the powder channel Set the amount that effectively control can be needed to enter the ground coffee in ground coffee basket according to user, it is ensured that the mouthfeel after coffee brewing.

Preferably, be also successively arranged between the motor and dynamic emery wheel the train of reduction gears being connected with the motor and with institute The connected transmission shaft of train of reduction gears is stated, the dynamic emery wheel is connected with the transmission shaft, to receive after train of reduction gears is cut down Kinetic energy, avoid causing service life to reduce because revolving speed is excessive.

Preferably, the brewing system component includes for storing the liquid reserve tank of brewing liquid to be heated and the storage The heater and be connected with the heater described for the brewing liquid after heating to be delivered to that liquid case is connected by liquid pushing tube Outlet tube in ground coffee basket, the controller are connected to control the heater operation with the heater.It is stored up by setting Liquid case and heater aloow coffee machine continuously to provide the brewing liquid after heating, infuse coffee provider for user Just.

Preferably, ground coffee basket bottom is equipped with the liquid outlet with a sealing-plug elastic connection；

The coffee machine further includes coffee pot, and the pot lid of the coffee pot is equipped with for jacking up the sealing-plug to open The ejecting structure of the liquid outlet, and for making the coffee flowed out from the liquid outlet flow at least one intracorporal feed liquor of pot Mouthful.Wherein the setting of sealing-plug and ejecting structure may make the coffee prepared will not with coffee pot is removed and from ground coffee basket It overflows, causes to waste.

Disclosure based on the above embodiment can know, the utility model embodiment have it is following the utility model has the advantages that

1, mill beans are not only simplified since the auxiliary bodies such as not set screw rod realize into beans in the bean grinding system of coffee machine The structure of system, and ground coffee caused by effectively preventing because of screw rod is hidden in into the phenomenon in beans channel and occurs.

2, since quiet abrasive wheel assembly is detachably to be set in body, so that convenient for cleaning into beans channel and emery wheel.

3, due to quiet abrasive wheel assembly between main support to be threadedly coupled so that the milling gap between dynamic and static emery wheel is big It is small adjustable.

4, by the way that the axial direction of dynamic emery wheel is set as parallel with the bottom surface of body, while along vertical body bottom surface on main support Direction open up powder channel, and ground coffee basket is arranged on position corresponding with powder channel, enables ground coffee Self-grind gap is directly sent into ground coffee basket by powder channel under its gravity, is assisted out it is not necessary that other are additionally arranged The mechanism of powder.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the coffee machine in the present embodiment.

Fig. 2 is the structural schematic diagram of the bean grinding system in the present embodiment.

Appended drawing reference:

1- body；2- is into beans mouth；3- motor；4- main support；5- moves emery wheel；The quiet emery wheel of 6-；The quiet emery wheel fixator of 7-；8- into Beans channel；9- connector sleeve；10- sealing ring；11- powder channel；12- output shaft；13- train of reduction gears；14- transmission shaft；15- is dynamic Emery wheel fixator；16- beans case；17- coffee pot；18- controller；19- ejecting structure；20- sealing-plug；21- ground coffee basket；22- Heater；23- liquid reserve tank；24- liquid pushing tube；25- outlet tube；26- check valve；27- closure door mechanism.

Specific embodiment

In the following, specific embodiment of the utility model is described in detail in conjunction with attached drawing, but practical new not as this The restriction of type.

It should be understood that various modifications can be made to disclosed embodiments.Therefore, following description should not regard To limit, and only as the example of embodiment.Those skilled in the art will expect within the scope and spirit of this Other modifications.

The attached drawing being included in the description and forms part of the description shows embodiment of the disclosure, and with it is upper What face provided is used to explain the disclosure together to substantially description and the detailed description given below to embodiment of the disclosure Principle.

By the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example, this is practical new These and other characteristic of type will become apparent.

It is also understood that although the utility model is described referring to some specific examples, this field skill Art personnel realize many other equivalents of the utility model in which can determine, they have feature as claimed in claim And be therefore all located at whereby defined by protection scope.

When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect, the feature and advantage of the disclosure will become It is more readily apparent.

The specific embodiment of the disclosure is described hereinafter with reference to attached drawing；It will be appreciated, however, that the disclosed embodiments are only Various ways implementation can be used in the example of the disclosure.Known and/or duplicate function and structure and be not described in detail to avoid Unnecessary or extra details makes the disclosure smudgy.Therefore, specific structural and functionality disclosed herein is thin Section is not intended to restrictions, but as just the basis of claim and representative basis be used to instructing those skilled in the art with Substantially any appropriate detailed construction diversely uses the disclosure.

This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment In " or " in other embodiments ", it can be referred to one or more of the identical or different embodiment according to the disclosure.

In the following, the utility model embodiment is described in detail in conjunction with attached drawing.

It as depicted in figs. 1 and 2, further include the mill in body 1 the present embodiment provides a kind of coffee machine, including body 1 Beans system and brewing system and the controller 18 on body 1, in which:

Bean grinding system includes motor 3, the dynamic emery wheel 5 being connected with the output end of motor 3, is used for and moves the cooperation grinding of emery wheel 5 Coffee bean and the internal quiet abrasive wheel assembly being formed with into beans channel 8, into beans channel 8 and being connected into beans mouth 2 on body 1, quiet mill Wheel assembly is detachable interior set on body 1 and can be relative to the mobile quiet emery wheel 6 and dynamic emery wheel to adjust quiet abrasive wheel assembly of body 1 Milling gap between 5；

Brewing system include for heat and convey brewing liquid brew component and with milling gap and brew component phase It is used in conjunction in the ground coffee basket of reception, mixed coffee powder and brewing liquid；

It controller 18 and motor 3 and brews component and is connected, to control motor 3 and brew the operation of component.

Continuing with shown in Fig. 1 and Fig. 2, in order to limit each component in bean grinding system steadily in coffee machine operation In body, the bean grinding system in the present embodiment further includes main support 4, is fixed in body 1, and dynamic emery wheel 5 is located at main branch In frame, the output end of motor 3 protrudes into main support 4 and is connected with dynamic emery wheel 5, to drive its rotation；Quiet abrasive wheel assembly and main branch 4 detachable connection of frame, and can be mobile relative to main support 4, and then adjust the size of milling gap.

Bean grinding system in the present embodiment eliminates the use of screw rod in the prior art, so avoid because spiral is arranged System structure caused by bar is complicated, and volume is larger, and conceals ground ground coffee in into the bad phenomenon in beans channel 8 Generation.Simultaneously as can relatively move between quiet abrasive wheel assembly and main support 4, and it can be detached from main support 4 and body 1, therefore The milling gap not only realized between quiet emery wheel 6 and dynamic emery wheel 5 is adjustable, and it is user-friendly after clean into beans channel 8 and two emery wheels, user experience is significantly improved, a variety of use demands of user are met.

Specifically, continuing with shown in Fig. 1 and Fig. 2, the quiet abrasive wheel assembly in the present embodiment further includes quiet mill fixator, quiet Emery wheel 6 is installed in one end of quiet emery wheel fixator 7, and quiet emery wheel 6 is corresponding with dynamic 5 position of emery wheel, the two it is axial with body 1 Bottom surface is parallel.It is set into beans mouth 2 on the body 1 of 4 top of main support, meal outlet is set on the body 1 of 4 lower section of main support, into beans Channel 8 is formed in quiet emery wheel fixator 7.As shown in Figure 2, due to being located at main branch into the setting position of beans mouth 2 in the present embodiment The oblique upper of frame 4, therefore ground in order to which coffee bean to be sent between two emery wheels, the quiet emery wheel fixator 7 in the present embodiment is whole Structure is matched with into 8 shape of beans channel, obliquely, when coffee bean can be in its own gravity from after entering body 1 into beans mouth 2 Lower edge is acted on into 8 fast scroll of beans channel between two emery wheels, whole process is assisted without any external force.

Further, continuing with shown in Fig. 2, the main support 4 in the present embodiment is equipped with and can rotate relative to support frame Connector sleeve 9, which is used to quiet emery wheel fixator 7 being fixed on main support 4, so that the milling gap between two emery wheels It can be remained after user adjusts constant.The inside of connector sleeve 9 and the outside of quiet emery wheel fixator 7 are respectively cooperating with and are equipped with Screw thread for connection；When connector sleeve 9 rotates, quiet emery wheel fixator 7 can be under the driving of connector sleeve 9 with respect to main support 4 It is mobile to achieve the effect that adjust milling gap in turn.

Specifically, as depicted in figs. 1 and 2, a lateral edge of the main support 4 in the present embodiment towards quiet emery wheel 6 is parallel to machine The direction of 1 bottom surface of body offers a link slot, moves the bottom that emery wheel 5 is set to link slot.Connector sleeve 9 is the column of ring-shaped section and ring-shaped Body, one end extend inwardly to form a circle fin, and the part that main support 4 is equipped with link slot is equipped with an annular groove, connector sleeve 9 It is limited on main support 4 by the connection between its fin and annular groove.The other end stretching main support 4 of connector sleeve 9, and in Inside offers the screw thread for connecting with quiet emery wheel fixator 7.When installing quiet abrasive wheel assembly, quiet emery wheel fixator 7 is connected There is one end of quiet emery wheel 6 to protrude into link slot, until the screw thread on quiet emery wheel fixator 7 can connect with the screw thread on connector sleeve 9 When touching, connector sleeve 9 is rotated, drives the opposite link slot of quiet emery wheel fixator 7 to be moved to required position by connector sleeve 9, guarantees two Milling gap between emery wheel can satisfy the grinding needs of user.

Wherein, when being drivingly connected 9 rotation of set, adoptable mode is more, specifically not unique.Such as changeable body 1 Contour structures, be located at connector sleeve 9 outside body, make user that can directly operate connector sleeve 9；Or it is set in the outside of connector sleeve 9 Alligator is set, then set transmission gear that one engages with the alligator outside connector sleeve 9 in body and is engaged with transmission gear A knob or rocking handle is arranged in bevel reduction gear set outside body later, which does not engage with transmission gear with bevel reduction gear set Bevel gear be connected, make user can by the knob drive bevel gear rotation；Again alternatively, a settable micromotor and with The connected trigger button of the micromotor, the output shaft of the micromotor can be by above-mentioned bevel reduction gear set, transmission gear Any one is connected with connector sleeve 9, can also directly be connected with connector sleeve 9 etc., specific implementation is varied, herein no longer It repeats.

Preferably due to needed between the two certain to guarantee that quiet emery wheel fixator 7 can be smooth relative to link slot movement Gap, but in order to avoid the ground coffee between two emery wheels is spilled over to outside system from the gap, pollute 1 inside other structures of body.This Setting one is used to seal gap between quiet emery wheel fixator 7 and the inner wall of link slot preferably on quiet emery wheel fixator 7 in embodiment Sealing ring, to avoid the generation of above-mentioned phenomenon.

Continuing with shown in Fig. 1 and Fig. 2, the direction on the main support 4 in the present embodiment along vertical 1 bottom surface of body is offered One powder channel 11,11 one end of powder channel are connected to milling gap, the other end and the coffee positioned at 11 lower section of powder channel Powder basket 21 is connected.It is additionally provided in body 1 and is connected with controller 18, to go out for opening and closing of fault under control of the controller 18 The closure door mechanism 27 in powder channel 11.After ground coffee is ground, can directly it be fallen under self gravitation effect between two emery wheels Enter in powder channel 11, and is fallen directly into ground coffee basket 21 by powder channel 11, it is whole not only without any other auxiliary Device auxiliary, and efficiently quickly, phenomena such as avoiding ground coffee from stopping for a long time in body 1, cause hiding powder, stifled powder.In addition, going out The setting orientation in powder channel 11 also facilitates the later period of user to clean, and guarantees using health.

Further, it continuing with shown in Fig. 1 and Fig. 2, is also successively arranged between the motor 3 and dynamic emery wheel 5 in the present embodiment The train of reduction gears 13 being connected with the output shaft 12 of motor 3 and the transmission shaft 14 being connected with train of reduction gears 13, dynamic emery wheel 5 pass through Dynamic emery wheel fixator 15 is connected with transmission shaft 14.When in use, user starts motor 3, rotates the output shaft 12 of motor 3 and generates Driving force, the driving force first pass through the deceleration of train of reduction gears 13, are resent to transmission after making driving force needed for reaching user On axis 14, dynamic emery wheel fixator 15 is driven to rotate using transmission shaft 14, and then dynamic emery wheel 5 is driven to rotate.At this point, user can be to Into coffee bean is launched in beans mouth 2, coffee bean is just ground from into the rolling of beans channel 8 between two emery wheels after entering into beans mouth 2, is ground The ground coffee of milled is automatically fallen into powder channel 11, is finally fallen into ground coffee basket 21 etc. to be brewed.

Further, continuing with shown in Fig. 1, the component that brews in the present embodiment includes for storing to be heated brew The liquid reserve tank 23 of liquid, the heater 22 being connected with liquid reserve tank 23 by liquid pushing tube 24 and it is connected with heater 22 and is used to add Brewing liquid after heat is delivered to the outlet tube 25 in ground coffee basket 21, and controller 18 can be control panel, connects with heater 21 It connects to control the operation of heater 21.Wherein, check valve 26 is equipped in liquid pushing tube 24, to avoid reflux.Furthermore it is preferred that this Coffee machine in embodiment further includes the beans case 16 being connected with into beans mouth 2, and in into being additionally provided with anti-jumping bean at beans mouth 2 in beans case 16 Lid.Meanwhile body 1 is recessed an accommodating space in the part being located at below ground coffee basket 21, and puts in the accommodating space One is set for receiving the coffee pot 17 of coffee, to be convenient for the user to use.Further, in this embodiment 21 bottom of ground coffee basket Portion is equipped with liquid outlet with 20 elastic connection of a sealing-plug, the pot lid of coffee pot 17 be equipped with for jack up the sealing-plug 20 with The ejecting structure 19 of liquid outlet is opened, and for making the coffee flowed out from liquid outlet flow into the intracorporal inlet of pot, the feed liquor The setting quantity of mouth is unlimited, is preferably provided with multiple inlets, quickly to introduce coffee in kettle body.

Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new In the protection scope of type.

Claims (10)

1. a kind of coffee machine, including body, which is characterized in that further include being set to the intracorporal bean grinding system of the machine and brewing system And the controller on the body, in which:

The bean grinding system includes motor, the dynamic emery wheel being connected with the output end of the motor, is used for and the dynamic emery wheel cooperation Ground coffee beans and the internal quiet abrasive wheel assembly being formed with into beans channel, it is described into connecting on beans channel and the body into beans mouth Logical, the quiet abrasive wheel assembly is detachable interior set on the body and can be mobile to adjust the quiet emery wheel relative to the body Milling gap between the quiet emery wheel of component and the dynamic emery wheel；

The brewing system include for heat and convey brewing liquid brew component and with the milling gap and brew group Part is connected for receiving, the ground coffee basket of mixed coffee powder and brewing liquid；

It the controller and the motor and brews component and is connected, to control the motor and brew the operation of component.

2. coffee machine according to claim 1, which is characterized in that the bean grinding system further include: main support, fixation are set In in the body, the output end of the motor is protruded into the main support, and the dynamic emery wheel is set on the main support, described Quiet abrasive wheel assembly and the main support detachable connection, and can be mobile relative to the main support.

3. coffee machine according to claim 2, which is characterized in that the dynamic emery wheel passes through dynamic emery wheel fixator and the electricity The output end of machine is connected；The quiet abrasive wheel assembly further includes quiet emery wheel fixator, and it is solid that the quiet emery wheel is installed in the quiet emery wheel Determine on device, it is described to be formed in the quiet emery wheel fixator into beans channel.

4. coffee machine according to claim 3, which is characterized in that rotation is equipped with described quiet for connecting on the main support Use is respectively equipped on the outside of the connector sleeve of emery wheel fixator and main support, the inside of the connector sleeve and the quiet emery wheel fixator In the screw thread of mating connection；When connector sleeve rotation, the quiet emery wheel fixator is mobile to adjust the milling gap.

5. coffee machine according to claim 4, which is characterized in that the side of the main support towards the quiet emery wheel is formed There is link slot, the dynamic emery wheel is set in the link slot；One end of the connector sleeve is limited on the main support, the other end Stretch out the main support；One end that the quiet emery wheel fixator is connected with the quiet emery wheel protrude into the link slot and with the company The other end of female connector is threadedly coupled.

6. coffee machine according to claim 5, which is characterized in that the quiet emery wheel fixator is equipped with described for sealing The sealing ring in gap between quiet emery wheel fixator and the inner wall of the link slot.

7. coffee machine according to claim 2, which is characterized in that the axial direction of the dynamic emery wheel and the bottom surface of the body are flat Row, the main support offer powder channel along the direction of the vertical body bottom surface, and the ground coffee basket goes out powder described in Below channel, the both ends of the powder channel are connected to the milling gap and ground coffee basket respectively；

It is additionally provided in the body and is connected with the controller, the powder out is opened or closed under the control of the controller The closure door mechanism in channel.

8. coffee machine according to claim 1, which is characterized in that be also successively arranged between the motor and dynamic emery wheel with it is described Transmission shaft motor connected train of reduction gears and be connected with the train of reduction gears, the dynamic emery wheel and the transmission shaft phase Even.

9. coffee machine according to claim 1, which is characterized in that the component that brews includes for storing to be heated rush It steeps the liquid reserve tank of liquid, the heater being connected by liquid pushing tube with the liquid reserve tank and is connected with the heater and be used to heat Brewing liquid afterwards is delivered to the outlet tube in the ground coffee basket, and the controller is connected to control described add with the heater Hot device operation.

10. coffee machine according to claim 1, which is characterized in that ground coffee basket bottom is equipped with and a sealing-plug bullet Property connection liquid outlet；

The coffee machine further includes coffee pot, and the pot lid of the coffee pot is equipped with described to open for jacking up the sealing-plug The ejecting structure of liquid outlet, and for making the coffee flowed out from the liquid outlet flow at least one intracorporal inlet of pot.