CN202537099U

CN202537099U - Juicer with air suction function

Info

Publication number: CN202537099U
Application number: CN2012201783202U
Authority: CN
Inventors: 王晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-25
Filing date: 2012-04-25
Publication date: 2012-11-21
Anticipated expiration: 2022-04-25

Abstract

The utility model discloses a juicer with an air suction function and aims to provide a juicer which can greatly reduce oxygen content in a juicing cavity, avoid brown stain during the juicing process and keeping nutrient components and mouth feeling of fruit juice or vegetable juice. The juicing cavity is provided with a feeding barrel; the juicing cavity is internally provided with a juicing mechanism; an output shaft of the juicing motor is connected with a driving shaft of the juicing mechanism; the juicer with the air suction function further comprises an air suction device; a sealing device is arranged at the feeding barrel; mutual joints of mutually communicated cavities formed among the feeding barrel, the juicing cavity, a juice receiving part and a residue part are connected in a sealing manner; the joint between the cavity body and any part is sealed; the cavity body is a sealed cavity in the juicing process; the air suction port of the air suction device is communicated with the cavity body; and the exhaust port of the air suction device is located outside the cavity body. The juicer with the air suction function, disclosed by the utility model, has the advantages of juicing foods in the juicer under an oxygen deficient condition, efficiently controlling brown stain, greatly reducing brown stain of food liquid during the juicing process, reducing nutrition loss and keeping good mouth feeling and appearance color.

Description

Be with the juice extractor of the function of bleeding

Technical field

The utility model relates to the juice extractor technical field, particularly relates to the bleed juice extractor of function of a kind of band.

Background technology

Juice extractor is to refer in particular to power-actuated slag, the juice divergence type equipment of squeezing the juice.Juice extractor all has the motor of squeezing the juice usually and squeezes the juice the chamber, and the motor of squeezing the juice is installed in support or the head usually, and support is integrative-structure or dismountable minute body structure with the chamber of squeezing the juice, and spiral squeezing type squeezing mechanism or centrifugal squeezing mechanism are arranged in the chamber of squeezing the juice.Squeezing mechanism has a driving shaft, and the output shaft of the motor of squeezing the juice stretches out in support or head, connects (directly be connected as one or pass through shaft coupling and connect) with the driving shaft of squeezing mechanism is quiet.Squeezing the juice is equipped with static filter screen or rotary sieve in the chamber usually, with filtration, separated with juice and residue.The spiral squeezing type squeezing mechanism is equipped with static filter screen usually, and centrifugal squeezing mechanism is equipped with rotary sieve usually, and the common rotary head with centrifugal squeezing mechanism of rotary sieve is combined into one.

In the chamber of squeezing the juice, the juice extractor with extrusion juice extractor structure utilizes extruding force will eat in the material (fruit, vegetables etc.) contained juice raw through the driven by motor extrusion juice extractor structure of squeezing the juice and squeezes out, realize that simultaneously scum juice separates.Juice extractor with centrifugal squeezing mechanism will be eaten material raw and grind through the rotary head that the driven by motor of squeezing the juice connects with the driving shaft of squeezing mechanism, simultaneously, will eat the contained juice of material raw through action of centrifugal force and squeeze out, and simultaneously, realize that scum juice separates.

In the present juice extractor; Squeeze the juice the chamber through position and atmosphere such as feeding cylinder, juice opening, slag notches; Make and have a large amount of air in the chamber of squeezing the juice; Cause foodstuff in the process of squeezing the juice with squeeze the juice that airborne oxygen reacts in the chamber, be called brown stain (comprising enzymatic browning, non-enzymatic browning) in the biology.Enzymatic browning is under the condition of aerobic, and phenolase catalysis aldehydes matter forms the course of reaction of quinone and polymer thereof.Non-enzymatic browning is meant the brown stain that under the situation that does not have enzyme to participate in, takes place.

Brown stain mainly is divided into three links: foodstuff was squeezed the juice in the past, the process of squeezing the juice neutralization is squeezed the juice finishes.(being the normality of foodstuff) was big block object before foodstuff was squeezed the juice, and brown stain generally only limits to the surface, and because of surface area is little, brown stain is very slow usually.Foodstuff is squeezed the juice and is finished after (promptly make and be fruit juice, vegetable juice), is placed on that to connect in the juice container be inactive state, and no longer with the air strong friction, brown stain is also slow.Only in foodstuff was squeezed the juice process, the squeezing mechanism of rotation made foodstuff and air produce friction at a high speed, and foodstuff becomes to behind the particulate from big bulk; Its surface area increases thousands of times; Make that foodstuffs such as airborne oxygen and fruit, vegetables produce strongly, brown stain fast, not only make fruit juice, vegetable juice appearance color become brown, and can lose a large amount of vitamins and other nutritious components; Mouthfeel is variation also, must control.

The necessary condition of brown stain is to squeeze the juice enough oxygen to be arranged in the chamber, and therefore, the oxygen content that control is squeezed the juice in the chamber is an important means of controlling brown stain.

The utility model content

The purpose of the utility model is to the technological deficiency that exists in the prior art; And a kind of oxygen content in the chamber of squeezing the juice that can reduce greatly is provided; Avoid in the process of squeezing the juice foodstuff to contact brown stain takes place with oxygen; Thereby, keep the bleed juice extractor of function of the band of nutritional labeling and the mouthfeel of fruit juice or vegetable juice.

For the technical scheme that purpose adopted that realizes the utility model is:

The bleed juice extractor of function of a kind of band; Comprise the motor of squeezing the juice, the chamber of squeezing the juice, meet juice portion, residue portion, the said chamber of squeezing the juice is provided with feeding cylinder, in the said chamber of squeezing the juice squeezing mechanism is installed; The output shaft of motor of squeezing the juice connects with the driving shaft of squeezing mechanism; Said feeding cylinder, the chamber of squeezing the juice, connect between juice portion, the residue portion and to form the cavity that connects each other, it is characterized in that, also comprise air extractor; Said feeding cylinder place is provided with sealing device; Said feeding cylinder, the chamber of squeezing the juice, to connect between juice portion, the residue portion the mutual junction that forms the cavity that connects each other be sealed attachment, and the junction of said cavity and arbitrary parts all seals, and said cavity is airtight cavity in the process of squeezing the juice; The bleeding point of said air extractor directly or through the conduit of bleeding is communicated with said cavity, and it is outside that the exhaust outlet of said air extractor is positioned at said cavity.

The said juice portion that connects is for connecing the juice container, and the said chamber of squeezing the juice is provided with juice opening, and said juice opening and connect sealed attachment between the juice container is equipped with scum juice and separates filter screen in the said chamber of squeezing the juice.

Said residue portion is a residue container, and the said chamber of squeezing the juice is provided with slag notch, sealed attachment between said slag notch and the said residue container.

Said air extractor is that manual exhauster or electricity drive aspiration pump, and said electricity drives aspiration pump and comprises pump body and power source, and said power source is any in individual motor, electromagnetic oscillation device, piezoelectric ceramics vibration device, the motor of squeezing the juice.

Be equipped with in the bleeding point place of said air extractor or the conduit of bleeding and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit of bleeding is positioned at the top of foodstuff liquid level.

On the said cavity or on the sealing device or the conduit of bleeding be provided with gas turnover by-pass valve control, said gas turnover by-pass valve control adopts any in hand-operated valve, motor-driven valve, the magnetic valve.

Also comprise automaton, said automaton is that time control circuit, Pneumatic controller or electricity drive any in detection of aspiration pump load current and the control circuit; Said Pneumatic controller comprises baroceptor or baroswitch, and baroceptor or baroswitch are electrically connected with control circuit board, and baroceptor or baroswitch are communicated with said cavity; Said baroswitch is mechanical type or electronic type.

Also comprise the air pressure display unit, said air pressure display unit is communicated with said cavity, and the air pressure display unit is mechanical type air-pressure gage or electronic type air gauge.

Said air extractor is installed in the juice extractor support, connects the arbitrary position in juice container, residue container, handle and the sealing device; Said sealing device is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder; Juice opening and connect between the juice container with thread connection or interference fit joint mode and realize sealing; Realize sealing with thread connection or interference fit joint mode between slag notch and the residue container; Said power source of squeezing the juice motor or air extractor is installed in support or the head.

Said power source is when squeezing the juice motor, and the pump body has a power transmission shaft, and power transmission shaft connects with the output shaft of the motor of squeezing the juice, this body running of output shaft direct-driven pump of the motor of squeezing the juice; Or the output shaft of the motor of squeezing the juice is through the propeller shaft couplings of transmission mechanism and pump body.

In the bleeding point place of said air extractor, the conduit of bleeding, at least one place is in series with muffler in exhaust ports and the exhaust manifolds.

Gas pressure in the said cavity is greater than 0 kPa, less than 10 kPas.

Compared with prior art, the beneficial effect of the utility model is:

1, during the band of the utility model was bled the juice extractor of function, the bleeding point of air extractor was communicated with the chamber of squeezing the juice, and the exhaust outlet of air extractor is positioned at the cavity outside, can the air that seal in the cavity be extracted out through air extractor.Simultaneously, will be by the chamber of squeezing the juice, connect the cavity sealing of juice portion, the formed mutual perforation of residue portion, the air content in the cavity can not increase in the process of squeezing the juice.Like this, the foodstuff anoxia condition in the juice extractor is squeezed the juice down, because the oxygen content in the chamber of squeezing the juice is low, brown stain is effectively controlled, and has significantly reduced the brown stain of foodstuff liquid in the process of squeezing the juice, and has reduced nutritive loss, has kept good mouthfeel and appearance color.

2, the band of the utility model is bled in the juice extractor of function; In the bleeding point place of air extractor or the conduit of bleeding, the waterproof and breathable device is installed or/and filter; Can avoid in the process of squeezing the juice because foodstuff or the foodstuff liquid potential safety hazard through causing in the bleeding point entering air extractor is safe to use.

3, during the band of the utility model was bled the juice extractor of function, cavity was provided with gas turnover by-pass valve control, and in needs, Open valve is removed negative pressure state, uses more convenient.

4, during the band of the utility model was bled the juice extractor of function, cavity was provided with the air pressure display unit, made things convenient for the user to observe, grasp the negative pressure state in the juice extractor cavity.

5, the band of the utility model is bled and is had automaton in the juice extractor of function, and the course of work such as vacuumizing, squeeze the juice can accomplish automatically, easy to use.

Description of drawings

Shown in Figure 1ly be the bleed sketch map of juice extractor embodiment one of function of the utility model band;

Shown in Figure 2ly be the bleed sketch map of juice extractor embodiment two of function of the utility model band;

Shown in Figure 3ly be the bleed sketch map of juice extractor embodiment three of function of the utility model band;

Shown in Figure 4ly be the bleed sketch map of juice extractor embodiment four of function of the utility model band;

Shown in Figure 5ly be the utility model band manually bleed sketch map of structure of the juice extractor of function of bleeding.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is done further explain.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The bleed juice extractor of function of the band of the utility model is the improvement on the prior art basis, and juice extractor generally all has the motor of squeezing the juice, the chamber of squeezing the juice, meets juice portion, residue portion, connects the collection that juice portion is used for juice, and residue portion is used for the collection of residue.The juice extractor of different structure, its structure that meets juice portion and residue portion is different.The employing that has is independent connects the juice container as meeting juice portion, and what have is made as one or employing with the chamber of squeezing the juice and squeezes the juice the part in chamber as meeting juice portion, meets juice portion in the chamber of squeezing the juice or outside the chamber of squeezing the juice.The independent residue container of the employing that has is as residue portion, and what have is made as one or employing with the chamber of squeezing the juice and squeezes the juice the part in chamber as residue portion, and residue portion is in the chamber of squeezing the juice or outside the chamber of squeezing the juice.The said chamber of squeezing the juice is provided with feeding cylinder, in the said chamber of squeezing the juice squeezing mechanism is installed, and squeezing mechanism is spiral squeezing type squeezing mechanism or centrifugal squeezing mechanism.The output shaft of motor of squeezing the juice connects with the driving shaft of squeezing mechanism, said feeding cylinder, the chamber of squeezing the juice, connects and forms the cavity that connects each other between juice portion, the residue portion.The improvements of the utility model are; Also comprise air extractor; Said feeding cylinder is provided with sealing device; Said feeding cylinder, the chamber of squeezing the juice, connect between juice portion, the residue portion form the cavity that connects each other mutual junction for being tightly connected; Said feeding cylinder, the chamber of squeezing the juice, the cavity that connects the mutual perforation that forms between juice portion, the residue portion and the junction of arbitrary parts all seal, and constitute the inner airtight cavity that connects each other, thereby make feeding cylinder, the chamber of squeezing the juice, the cavity that connects formed mutual perforation between juice portion, the residue portion be airtight cavity in the process of squeezing the juice.The bleeding point of said air extractor directly or through the conduit of bleeding is communicated with said cavity, and the exhaust outlet of said air extractor directly or through exhaust manifolds is positioned at said cavity outside.Air extractor starts, and extracts out by the chamber of squeezing the juice, connects the air in the cavity of juice portion, the formed mutual perforation of residue portion, and the process of squeezing the juice is carried out under the condition of anoxic, thereby avoids or reduce brown stain, makes fruit juice keep original nutrition composition, mouthfeel and color.

For make feeding cylinder, the chamber of squeezing the juice, the cavity that connects formed mutual perforation between juice portion, the residue portion be airtight cavity in the process of squeezing the juice; The junction of this cavity and arbitrary parts all seals, can adopt directly combine closely or the modes such as sealing ring, sealing gasket of installing realize the sealing.Juice extractor for only having feeding cylinder on the chamber of squeezing the juice is equipped with sealing device on the said feeding cylinder.Connect the juice container as connecing the juice extractor of juice portion for employing, the chamber of squeezing the juice is provided with juice opening, and in order to make the cavity sealing, except on feeding cylinder, installing the sealing device, said juice opening and said connects sealed attachment between the juice container.For the juice extractor that adopts residue container as residue portion, the chamber of squeezing the juice is provided with slag notch, in order to make the cavity sealing, except sealed attachment between said slag notch and the said residue container is installed on feeding cylinder the sealing device.Connect the juice container as meeting juice portion for employing; And adopt the juice extractor of residue container as residue portion, in order to make the cavity sealing, except on feeding cylinder, installing the sealing device; Also will be with sealed attachment between slag notch and the residue container, juice opening and connect sealed attachment between the juice container.The sealing device at said feeding cylinder place is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder, also can adopt other any known mode of being tightly connected to realize sealing; Juice opening and connecing between the juice container with thread connection or interference fit joint mode also can adopt other any known mode of being tightly connected to realize sealing; Realize sealing with thread connection or interference fit joint mode or other any known mode of being tightly connected between slag notch and the residue container.When the feeding cylinder place adopted the sealing of piston type sealing device, slipper seal between piston type sealing device and the feeding cylinder owing to be negative pressure state in the cavity, made the piston type sealing device move down along the feeding cylinder inwall, and foodstuff is had impetus, helps squeezing the juice.

The said juice portion that connects is provided with tap, conveniently to emit fruit juice or vegetable juice.

The bleeding point of air extractor can adopt following mode to realize with being communicated with of said cavity:

1, the chamber of squeezing the juice is provided with the gas outlet, the bleeding point of air extractor directly with the chamber of squeezing the juice on the gas outlet sealed attachment, perhaps use the conduit of bleeding with the gas outlet sealed attachment on the bleeding point of air extractor and the chamber of squeezing the juice.

2, the gas outlet is arranged on feeding cylinder, the bleeding point of air extractor directly with feeding cylinder on the gas outlet sealed attachment, perhaps use is bled conduit with the bleeding point of air extractor and the gas outlet sealed attachment on the feeding cylinder.

3, the gas outlet is arranged connecing on the juice container, the bleeding point of air extractor directly with connect the gas outlet sealed attachment on the juice container, perhaps use bleed conduit with the bleeding point of air extractor with connect the gas outlet sealed attachment on the juice container.

4, the gas outlet is arranged on residue container, the bleeding point of air extractor directly with residue container on the gas outlet sealed attachment, perhaps use is bled conduit with the bleeding point of air extractor and the gas outlet sealed attachment on the residue container.

5, on the sealing device of feeding cylinder, the gas outlet is arranged, the bleeding point of air extractor directly with sealing device on the gas outlet sealed attachment, perhaps use is bled conduit with the bleeding point of air extractor and the gas outlet sealed attachment on the sealing device.

The bleeding point of air extractor is communicated with except that aforesaid way with cavity, also can adopt other modes.

Said air extractor is that manual exhauster or electricity drive aspiration pump.Manual exhauster is the manual pump bowl or the capsule of manually bleeding.Said electricity drives aspiration pump and comprises pump body and power source, and said power source is any in individual motor, electromagnetic oscillation device, piezoelectric ceramics vibration device, the motor of squeezing the juice etc.Squeeze the juice motor when being power source when employing, and the pump body has a power transmission shaft, and power transmission shaft connects with the output shaft of the motor of squeezing the juice, this body running of output shaft direct-driven pump of the motor of squeezing the juice.Or the output shaft of the motor of squeezing the juice is through the propeller shaft couplings of transmission mechanism and pump body, and the motor of squeezing the juice passes through this body running of transmission mechanism driving pump.Transmission mechanism can adopt any in the known transmission mechanisms such as gear drive, belt gear, chain-drive mechanism, clutch transmission mechanism.

Said air extractor vacuumizes cavity, if just take little air away, is 60-70 kPa (being equivalent to take the 30-40% air away) such as the cavity internal gas pressure, and the effect that then reduces brown stain is very poor.When absolute pressure is lower than 30 kPas (being equivalent to take 70% left and right sides air away) in the ordinary circumstance lower chamber, just has and reduce the brown stain effect preferably; Tangible minimizing brown stain effect is arranged when being lower than 15 kPas (being equivalent to take 85% air away); When being lower than 10 kPas (being equivalent to take 90% air away); Owing to can not only take airborne most of oxygen away; And, can take the most of oxygen between foodstuff cell tissue away, therefore; Very outstanding minimizing brown stain effect is arranged, also can keep not having basically in one, two hour brown stain in the open-top receptacle even if obtained fruit juice or vegetable juice are poured into; When being lower than 2.5 kPas (being equivalent to take the air more than 97.5% away), the effect that not only reduces brown stain is more outstanding, and about 20 ℃ of the boiling point of water under this pressure; Air pressure further reduces, and then corresponding water boiling point also reduces, in the time of 1 kPa of air pressure, and about 7 ℃ of water boiling point.So when the cavity internal gas pressure was lower than 2.5 kPas, the bleed juice extractor of function of the utility model band had the effect to foodstuff liquid (fruit juice, vegetable juice) refrigeration cool-down concurrently.Therefore, the gas pressure in the cavity described in the utility model is preferably greater than 0 kPa, less than 10 kPas.

Below be that example is elaborated with the manual pump bowl of piston type.

The utility model band manually bleed sketch map of structure of the juice extractor of function of bleeding is as shown in Figure 5; Arbitrary parts of the cavity that formation is interconnected are provided with passage; First check valve 22 that gas flows out from inside to outside is installed in the said passage; Said passage place is provided with pump bowl mounting groove 23; Be sealed and installed with the cylindrical shell 25 of bleeding in the said pump bowl mounting groove 23, the cylindrical shell 25 of bleeding can adopt with pump bowl mounting groove 23 and be threaded, and said bleeding is equipped with sealing gasket 30 between cylindrical shell 25 and pump bowl mounting groove 23 bottoms.In the said cylindrical shell 25 of bleeding the piston 26 of bleeding is installed, is connected with air exhaust rod 28 on the said piston 26 of bleeding, air exhaust rod 28 upper ends are equipped with the handle 27 of bleeding.Gas second check valve 24 to outer outflow in the cylindrical shell of bleeding is installed on said bleed piston 26 and the pump bowl body sidewall between cylindrical shell 25 bottoms of bleeding.For easy to use, handle 29 is installed, on the cylindrical shell of bleeding so that the operation of bleeding.When the piston 26 of bleeding moved upward, the gas in the cavity got in the cylindrical shell 25 of bleeding through first check valve 22, and when the piston 26 of bleeding moved downward, the gas that gets in the cylindrical shell 25 of bleeding flowed out the cylindrical shell 25 of bleeding through second check valve 24.Constantly the process of repeatedly pumping, exhaust is drawn out of the gas in the cavity, and the cavity internal gas pressure is reduced, and effectively avoids or reduce the generation of brown stain.

Electricity drives the electricity driving aspiration pump that aspiration pump can be electric piston formula aspiration pump, electric centrifugal-type aspiration pump, electronic rotary vane type aspiration pump, electronic (or electromagnetism) diaphragm type aspiration pump, electronic spiral vortex type aspiration pump, electric screw aspiration pump, piezoelectric pump or other any known.Wherein piezoelectric pump does not have drive motors, is to utilize the inverse piezoelectric effect of piezoelectric ceramics to make piezoelectric vibrator produce distortion, and the volume-variation by distortion generation pump chamber realizes fluid output or utilize piezoelectric vibrator to produce fluctuating pumping gas again.

In order to ensure the safe in utilization of air extractor; Be equipped with in the bleeding point place of said air extractor or the conduit of bleeding and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit of bleeding is positioned at the top of foodstuff liquid level.The waterproof and breathable device can be waterproof ventilated membrane or waterproof and breathable sheet, waterproof vent valve, permeable watertight valve, prevent aqueous reflux check (non-return) valve etc.Filter is used to filter the foodstuff dregs, avoids foodstuff to get in the aspiration pump, and filter can be screen pack or other filters, and is detachable or be fixed in the bleeding point place or the conduit of bleeding of air extractor.

In order in needs, to remove the negative pressure state in the chamber of squeezing the juice; On the said cavity or on the sealing device or the conduit of bleeding be provided with gas turnover by-pass valve control, in needs, gas is passed in and out by-pass valve control opens; Air outside gets in the chamber of squeezing the juice, and removes negative pressure state.Said gas turnover valve adopts any in hand-operated valve, motor-driven valve, the magnetic valve.The lead of said motor-driven valve or magnetic valve is electrically connected with control circuit board or power switch.Gas turnover by-pass valve control can adopt the following manner setting:

1, on cavity wall, be provided with passage, passage permeate chamber body sidewall is sealed and installed with gas turnover by-pass valve control on the passage;

2, passage is arranged on sealing device, passage runs through sealing device itself, is sealed and installed with gas turnover by-pass valve control on the passage;

3, on the sidewall of the conduit of bleeding of air extractor, be provided with the hole, be sealed and installed with gas turnover by-pass valve control on the hole.

For simple and easy type, the mode that can adopt manual control electricity to drive the aspiration pump power source is controlled and is bled.

For the ease of the automatic control that realizes bleeding, the band of the utility model is bled and the automaton that the control electricity drives aspiration pump work also is installed on the juice extractor of function.Automaton can be arranged on original control circuit board, also can be arranged on separately on another wiring board.

Said automaton can adopt any one control mode of the prior art, for example adopts in time control circuit, Pneumatic controller or load current detection of electricity driving aspiration pump and the control circuit any.

Adopt time control circuit; Drive the work of aspiration pump with timing mode control electricity, for example band is bled after the juice extractor start of function, and this time control circuit at first starts electricity and drives aspiration pump and bled 30 seconds; Make that air is drawn out of in the hermetic cavity body, and then work such as squeeze the juice.

Adopt Pneumatic controller to comprise baroceptor or baroswitch; Baroceptor or baroswitch are electrically connected with control circuit board; Baroceptor or baroswitch are communicated with said cavity; Particular location is located at the bleeding point of air extractor or the conduit of bleeding is interior or the interior foodstuff liquid level of cavity top, and baroceptor or baroswitch for water proof type also can be located at below the foodstuff liquid level.Baroceptor transfers to control circuit board with the barometric information variation with electrical signal form, and control circuit board is controlled the work that electricity drives aspiration pump with this.Said baroswitch is mechanical type or electronic type.The cavity internal gas pressure changes makes baroswitch conducting or disconnection, controls the work that electricity drives aspiration pump with this.After for example being with the juice extractor start of the function of bleeding; Air pressure in the baroceptor test chamber of Pneumatic controller; As be higher than setting value (as 15 kPas), and then at first start electricity driving aspiration pump and bleed, the interior air of hermetic cavity body is drawn out of; When the cavity internal gas pressure is lower than setting value (15 kPas), and then squeeze the juice.

Said automaton is to drive comparator (or single-chip microcomputer constitutes) detection and the control circuit that the aspiration pump load current changes by detecting electricity.It drives the work that the load current variation of aspiration pump control electricity own drives aspiration pump to detect electricity.Electricity drives aspiration pump when starting working, and because of the pressure reduction inside and outside the cavity is little, the load of aspiration pump is little, operating current is less so electricity drives; Along with electricity drives bleeding of aspiration pump, the inside and outside pressure reduction of cavity increases gradually, and the load that electricity drives aspiration pump becomes big, and it is big that its operating current also becomes; When reaching electricity and drive aspiration pump and can extract the negative pressure limit that reaches, its operating current also reaches maximum.Detect and the relatively variation of this load current, just can drive the opening and closing of aspiration pump through the setting control electricity of control program.For example; Electric current was 1 ampere when electricity driving aspiration pump had just begun to bleed work, and electric current is 3 amperes when reaching the peak suction limit, detects the variation that electricity drives the aspiration pump operating current; When operating current reaches 3 amperes (or postponing 5 seconds), and then squeeze the juice.

Said control circuit board includes single-chip microcomputer, and control program is located in the single-chip microcomputer, can adopt known control module.Control circuit board changed according to said air pressure change, time or electricity driving aspiration pump load current delta data control electricity drives work such as aspiration pump and squeezing mechanism, accomplished the work of squeezing the juice that vacuumizes.

Said air extractor can be installed in juice extractor support or head, connect the arbitrary position in juice container, residue container, handle and the sealing device.Preferably will squeeze the juice motor and air extractor is installed in the support.

For the ease of observing the gas pressure in the cavity, also comprise the air pressure display unit, said air pressure display unit is communicated with said cavity, and the air pressure display unit is mechanical type air-pressure gage or electronic type air gauge.

The baroceptor of air pressure display unit is located in the cavity, in the conduit of bleeding or the bleeding point place of air extractor, and its display is located on the sealing device, on the head, on the support or on the cavity wall.

Mechanical type air-pressure gage is pointer air gauge, comprises baroceptor and pointer header, and baroceptor is located at bleeds in the conduit or the bleeding point place of air extractor, and gauge outfit is located on the sealing device, on head or the support or on the cavity wall.

Also can be on cavity wall or sealing device, to be provided with pressure tap, the elastic film shutoff is housed in the pressure tap, when cavity was negative pressure of vacuum, elastic film caves inward, with the negative pressure state in this simple displaying cavity.

The electronic type air gauge comprises baroceptor, testing circuit and optical display or auditory tone cues device; Be to be electrically connected between the each several part; Baroceptor is arranged in the cavity or in the conduit of bleeding or the bleeding point place of air extractor; Testing circuit is arranged on the control circuit board, and optical display is arranged on the sealing device, on head or the support or on the cavity wall, the auditory tone cues device is located on the control circuit board.

In order to reduce the noise that produces in the pumping process, in the bleeding point place of said air extractor, the conduit of bleeding, at least one place is in series with muffler in exhaust ports and the exhaust manifolds.

Below in conjunction with specific embodiment the utility model is done further explain.

Embodiment one

Shown in Figure 1 for the bleed sketch map of juice extractor embodiment one of function of the utility model band, be on the basis of spiral squeezing type juice extractor, to improve.

Juice extractor comprises support 17-1, the motor 2-1 that squeezes the juice, the chamber 10-1 that squeezes the juice, meet juice portion, residue portion, and the juice portion that connects in the present embodiment is for meeting juice container 16-1, and residue portion is residue container 13-1.The chamber 10-1 that squeezes the juice is provided with juice opening 15-1 and slag notch 12-1.The feeding cylinder 8-1 of one is installed on the said chamber 10-1 that squeezes the juice, said feeding cylinder 8-1, the chamber 10-1 that squeezes the juice, connects between juice container 16-1, the residue container 13-1 and to form the cavity that connects each other.The motor 2-1 that squeezes the juice is installed in the support 17-1, and support 17-1 can be in the side of squeezing the juice chamber 10-1, also can be in the bottom of squeezing the juice chamber 10-1.Support 17-1 in the present embodiment is positioned at the side of the chamber 10-1 that squeezes the juice.Spiral squeezing type squeezing mechanism squeezing mechanism 11-1 is installed in the said chamber 10-1 that squeezes the juice.The spiral squeezing type squeezing mechanism comprises spiral propeller and driving shaft 18-1 thereof, scum juice is installed in the chamber of squeezing the juice separates filter screen 14-1 (also can not add scum juice and separate filter screen), and it is static filter screen that the scum juice in the present embodiment separates filter screen.The output shaft of motor 2-1 of squeezing the juice connects with the driving shaft 18-1 of squeezing mechanism 11-1 through shaft coupling 9-1; Improvements are also to comprise air extractor 1-1; The bleeding point of said air extractor 1-1 directly or through bleed conduit 5-1 and feeding cylinder 8-1, the chamber 10-1 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-1, the residue container 13-1 is communicated with, and the exhaust outlet 3-1 of said air extractor 1-1 is positioned at the outside of cavity.For fear of or reduce brown stain; Make the chamber of squeezing the juice in the process of squeezing the juice, be airtight cavity; Feeding cylinder 8-1, the chamber 10-1 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-1, the residue container 13-1 and the junction of arbitrary parts all seal, and the position that present embodiment need seal is the driving shaft 18-1 of feeding cylinder 8-1, juice opening 15-1, slag notch 12-1, squeezing mechanism 11-1 and the 10-1 joint, chamber of squeezing the juice.The mode that sealing device 6-1 adopt is installed at feeding cylinder 8-1 place seals, juice opening 15-1 and connect sealed attachment between the juice container 16-1, sealed attachment between slag notch 12-1 and the residue container 13-1.The driving shaft 18-1 of squeezing mechanism 11-1 adopts the mode that sealing ring is installed to seal with the 10-1 joint, chamber of squeezing the juice; Make feeding cylinder 8-1, the chamber 10-1 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-1, the residue container 13-1 be an airtight cavity, help the air in the chamber 10-1 that squeezes the juice is extracted out.For present embodiment, the sealing device 6-1 at said feeding cylinder 8-1 place is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder, also can adopt other any known mode of being tightly connected to realize sealing.Juice opening 15-1 and connect between the juice container 16-1 with thread connection or interference fit joint mode or other any known mode of being tightly connected and realize sealing.Realize sealing with thread connection, interference fit joint mode or other any known mode of being tightly connected between slag notch 12-1 and the residue container 13-1.

The bleeding point of air extractor can adopt following mode to realize with being communicated with of cavity:

Any parts that squeeze the juice chamber, feeding cylinder, connect formation cavitys such as juice container, residue container are provided with the gas outlet; Direct and the gas outlet sealed attachment of the bleeding point of air extractor is perhaps through bleeding point and the said gas outlet sealed attachment of conduit with air extractor of bleeding.

Air extractor 1-1 in the present embodiment is that electricity drives aspiration pump, and electricity drives aspiration pump and comprises pump body and power source, and power source is an individual motor.The pump body has a power transmission shaft, and power transmission shaft connects with the output shaft of individual motor, this body running of output shaft direct-driven pump of individual motor.The pump body is the piston type aspiration pump.

In order to ensure the safe in utilization of air extractor; Be equipped with in the bleeding point place of said air extractor 1-1 or the conduit 5-1 that bleeds and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit 5-1 that bleeds is positioned at the top of foodstuff liquid level.The waterproof and breathable device can be waterproof ventilated membrane or waterproof and breathable sheet, waterproof vent valve, permeable watertight valve, prevent aqueous reflux check (non-return) valve etc.Filter is used to filter the foodstuff dregs, avoids foodstuff to get in the aspiration pump, and filter can be screen pack or other filters, and is detachable or be fixed in the bleeding point place of air extractor or the conduit 5-1 that bleeds.

In order in needs, to remove the negative pressure state in the chamber 10-1 that squeezes the juice; On the said cavity or on the sealing device or the conduit of bleeding be provided with gas turnover by-pass valve control 7-1; In needs; Gas is passed in and out by-pass valve control 7-1 open, air outside gets in the chamber 10-1 that squeezes the juice, and removes negative pressure state.Said gas turnover by-pass valve control 7-1 adopts any in hand-operated valve, motor-driven valve, the magnetic valve.For motor-driven valve, magnetic valve, its lead is electrically connected with the control circuit board or the power switch of juice extractor.Gas turnover by-pass valve control 7-1 can adopt the following manner setting:

1, in feeding cylinder, the chamber of squeezing the juice, connect on the sidewall at the arbitrary place of cavity of the mutual perforation that forms between juice container, the residue container and be provided with passage, passage permeate chamber body sidewall is sealed and installed with gas turnover by-pass valve control on the passage;

2, passage is arranged on sealing device, passage runs through sealing device itself, is sealed and installed with gas turnover by-pass valve control on the passage.

In the present embodiment; For the ease of the automatic control that realizes bleeding; Be sealed and installed with gas pressure sensor 4-1 in the bleeding point place of said air extractor 1-1 or the conduit 5-1 that bleeds, said gas pressure sensor 4-1, air extractor 1-1 are electrically connected with control circuit board respectively, the gas pressure in the gas pressure sensor 4-1 perception bleeding point place or the conduit 5-1 that bleeds; Pass to the automatic control circuit of control circuit board, automatic control circuit starts or stops according to gas pressure control air extractor.Said air extractor 1-1 can be installed in juice extractor support 17-1, meets juice container 16-1, the arbitrary position among residue container 13-1, the chamber 10-1 that squeezes the juice (interior or outer), feeding cylinder 8-1 (interior or outer) and the sealing device 6-1.Preferably will squeeze the juice in present embodiment motor 2-1 and air extractor 1-1 is installed in the support 17-1.

In order to reduce the noise that produces in the pumping process, among the conduit 5-1 that bleeds of air extractor 1-1, exhaust outlet 3-1 place all is in series with muffler.

Foodstuff is sent in the feeding cylinder 8-1, covered sealing device 6-1, meet juice container 16-1 and juice opening 15-1 is tightly connected; Residue container 13-1 and slag notch 12-1 are tightly connected; Air extractor 1-1 starts, and extracts the air in the cavity out, and the pressure in the chamber of generally squeezing the juice is 5-10kPa.The motor 2-1 that squeezes the juice starts, and 11-1 squeezes out the juice in the foodstuff through the screw extrusion squeezing mechanism, and the juice of squeezing out connects the juice container 16-1 from juice opening 15-1 entering through the filtration of static filter screen 14-1.Residue is advanced to slag notch 12-1 place along the screw extrusion squeezing mechanism, gets in the residue container 13-1.Because the process of squeezing the juice is carried out, thereby avoid or reduce the generation of brown stain under the condition of anoxic, make fruit juice keep original nutrition composition, mouthfeel and color.

Embodiment two

Shown in Figure 2 for the bleed sketch map of juice extractor embodiment two of function of the utility model band, be on the basis of centrifugal basic model juice extractor, to improve.

This juice extractor comprises support 17-2, the motor 2-2 that squeezes the juice, the chamber 10-2 that squeezes the juice, meet juice portion, residue portion, and the juice portion that connects in the present embodiment is for meeting juice container 16-2, and residue portion is residue container 13-2.The chamber 10-2 that squeezes the juice is provided with juice opening 15-2 and slag notch 12-2.The motor 2-2 that squeezes the juice is installed in the support 17-2, and support 17-2 can be in the side of squeezing the juice chamber 10-2, also can be in the bottom of squeezing the juice chamber 10-2.Support 17-2 in the present embodiment is positioned at the bottom of the chamber 10-2 that squeezes the juice.Squeezing the juice is equipped with centrifugal squeezing mechanism in the 10-2 of chamber, and centrifugal squeezing mechanism comprises that cutterhead 19-1, cutterhead seat, scum juice separate filter screen 14-2, driving shaft 18-2, and it is rotary sieve that the scum juice in the present embodiment separates filter screen 14-2.Wherein, cutterhead 19-1, cutterhead seat, rotary sieve 14-2 are integral structure, and driving shaft 18-2 passes the chamber 10-2 that squeezes the juice and connects with the output shaft of the motor 2-2 that squeezes the juice through shaft coupling 9-2.

The chamber 10-2 that squeezes the juice is partly combined with the juice that connects that is positioned at around the rotary sieve 14-2 bottom by upper cover part 20-1.Said upper cover part 20-1 is provided with feeding cylinder 8-2, and feeding cylinder 8-2 is positioned at the position, top of the chamber 10-2 that squeezes the juice.Said feeding cylinder 8-2, the chamber 10-2 that squeezes the juice, connect between juice container 16-2, the residue container 13-2 and to form the cavity that connects each other.

Improvements are also to comprise air extractor 1-2; The bleeding point of said air extractor 1-2 directly or through bleed conduit 5-2 and feeding cylinder 8-2, the chamber 10-2 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-2, the residue container 13-2 is communicated with, and the exhaust outlet 3-2 of said air extractor is positioned at this cavity outside.For fear of or reduce brown stain; Make the chamber 10-2 that squeezes the juice in the process of squeezing the juice, be airtight cavity; Feeding cylinder 8-2, the chamber 10-2 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-2, the residue container 13-2 and the junction of arbitrary parts all seal, the position that present embodiment need seal be feeding cylinder 8-2, juice opening 15-2, slag notch 12-2, squeezing mechanism driving shaft 18-2 with squeeze the juice 10-2 joint, chamber, upper cover part 20-1 and be positioned at the joint that connects the juice part around the rotary sieve 14-2 bottom.Feeding cylinder 8-2 place adopts sealing device 6-2 to seal, juice opening 15-2 and connect sealed attachment between the juice container 16-2, sealed attachment between slag notch 12-2 and the residue container 13-2.

Upper cover part 20-1 be positioned at the joint that connects the juice part around the rotary sieve 14-2 bottom and adopt directly to combine closely or the sealing gasket mode is set and seal, the driving shaft 18-2 of squeezing mechanism adopts the mode that mechanical seals such as sealing ring are installed to seal with the 10-2 joint, chamber of squeezing the juice.After the above-mentioned sealing, make feeding cylinder 8-2, the chamber 10-2 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-2, the residue container 13-2 be an airtight cavity, help the air in the chamber of squeezing the juice is extracted out.For present embodiment, the sealing device 6-2 of the said feeding cylinder 8-2 of place is seal cover or piston type sealing device, realizes sealing with thread connection, interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder; Also can adopt other any known mode of being tightly connected to realize sealing.Juice opening 15-2 and connect between the juice container 16-2 with thread connection or interference fit joint mode or other any known mode of being tightly connected and realize sealing.Realize sealing with thread connection or interference fit joint mode or other any known mode of being tightly connected between slag notch 12-2 and the residue container 13-2.

1, is provided with the gas outlet in the upper cover part in chamber of squeezing the juice, the optional position that connects on the parts of formation cavitys such as juice container, residue container, feeding cylinder; Direct and the said gas outlet sealed attachment of the bleeding point of air extractor is perhaps used bleeding point and the said gas outlet sealed attachment of conduit with air extractor of bleeding.

2, the squeeze the juice wall of chamber bottom is provided with the hole; The sealed attachment conduit of bleeding on the bleeding point of air extractor; The hole that the conduit of bleeding passes on the chamber of squeezing the juice gets in the chamber of squeezing the juice; The gas inlet end of conduit of bleeding is positioned at the top of the chamber foodstuff liquid level of squeezing the juice, and the conduit of bleeding is a hermetically-sealed construction with the joint, chamber of squeezing the juice.

The bleeding point of air extractor is communicated with except that aforesaid way with cavity, also can adopt other modes.Preferential the 2nd kind of mode in the present embodiment.

Air extractor 1-2 in the present embodiment is that electricity drives aspiration pump, and said electricity drives aspiration pump and comprises pump body and power source, and power source is an individual motor.The pump body has a power transmission shaft, and power transmission shaft connects with the output shaft of individual motor, this body running of output shaft direct-driven pump of individual motor.The pump body adopts the piston type aspiration pump.

In order to ensure that air extractor 1-2's is safe in utilization; Be equipped with in the bleeding point place of said air extractor 1-2 or the conduit 5-2 that bleeds and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the bleeding point of air extractor 1-2 or/and filter, the gas inlet end of the bleeding point or the conduit 5-2 that bleeds is positioned at the top of foodstuff liquid level.The waterproof and breathable device can be waterproof ventilated membrane or waterproof and breathable sheet, waterproof vent valve, permeable watertight valve, prevent aqueous reflux check (non-return) valve etc.Filter is used to filter the foodstuff dregs, avoids foodstuff to get in the aspiration pump, and filter can be screen pack or other filters, and is detachable or be fixed in the bleeding point place or the conduit of bleeding of air extractor.

In order in needs, to remove the negative pressure state in the chamber of squeezing the juice, said cavity is provided with gas turnover by-pass valve control 7-2, in needs, gas is passed in and out by-pass valve control 7-2 open, and air outside gets in the chamber 10-2 that squeezes the juice, and removes negative pressure state.Said gas turnover by-pass valve control 7-2 adopts any in hand-operated valve, motor-driven valve, the magnetic valve, and the lead of motor-driven valve, magnetic valve is electrically connected with control circuit board or power switch.Gas turnover by-pass valve control can adopt the following manner setting:

In the present embodiment; For the ease of the automatic control that realizes bleeding; Be sealed and installed with gas pressure sensor 4-2 in the bleeding point place of said air extractor 1-2 or the conduit 5-2 that bleeds; The lead of said gas pressure sensor 4-2, air extractor 1-2 is electrically connected with control circuit board respectively; Gas pressure sensor 4-2 perception bleeding point place or the gas pressure in the conduit 5-2 of bleeding are passed to the automatic control circuit of control circuit board, and automatic control circuit starts or stops according to gas pressure control air extractor.Said air extractor 1-2 can be installed in juice extractor support 17-2, meets juice container 16-2, the arbitrary position among residue container 13-2, the chamber 10-2 that squeezes the juice (interior or outer), feeding cylinder 8-2 (interior or outer) and the sealing device 6-2.Preferably will squeeze the juice in present embodiment motor 2-2 and air extractor 1-2 is installed in the support 17-2.In the time of in air extractor is installed on support 17-1, support 17-1 is not the exhaust outlet exhaust that is beneficial to air extractor of sealing.

In order to reduce the noise that produces in the pumping process, among the conduit 5-2 that bleeds of present embodiment air extractor 1-2, exhaust outlet 3-2 place all is in series with muffler.

Foodstuff is sent in the feeding cylinder 8-2, covered sealing device 6-2, meet juice container 16-2 and juice opening 15-2 is tightly connected; Residue container 13-2 and slag notch 12-2 are tightly connected; Air extractor 1-2 starts, and extracts the air in the cavity out, and the pressure in the chamber 10-2 that generally squeezes the juice is 5-10kPa.The motor 2-2 that squeezes the juice starts, and through centrifugal squeezing mechanism the juice in the foodstuff is squeezed out, and the juice of squeezing out gets into the 10-2 bottom, chamber of squeezing the juice through the filtration that scum juice separates filter screen 14-2, and connects the juice container 16-2 from juice opening 15-2 entering.Residue gets in the residue container 13-2 because centrifugal action throws away from slag notch 12-2.Because the process of squeezing the juice carries out under the condition of anoxic, thereby avoid or reduce oxidation, make fruit juice keep original nutrition composition, mouthfeel and color.

Embodiment three

Shown in Figure 3ly being the bleed sketch map of juice extractor embodiment three of function of the utility model band, is on the basis that connects the centrifugal juice extractor that juice container, residue container and the chamber of squeezing the juice lump together, to improve.

This juice extractor comprises support 17-3, the motor 2-3 that squeezes the juice, the chamber 10-3 that squeezes the juice, meet juice portion, residue portion.

Squeeze the juice chamber 10-3 by upper cover part 20-2, meet juice container 16-3 and residue container 13-3 combines.Squeezing the juice has feeding cylinder 8-3 on the upper cover part 20-2 in chamber.

Meet juice portion for meeting juice container 16-3, residue portion is residue container 13-3.The motor 2-3 that squeezes the juice is installed in the support 17-3, and the support 17-3 in the present embodiment is positioned at the bottom of the chamber 10-3 that squeezes the juice.Squeeze the juice and centrifugal squeezing mechanism is installed in the 10-3 of chamber.Centrifugal squeezing mechanism comprises that cutterhead 19-2, cutterhead seat, scum juice separate filter screen 14-3, driving shaft 18-3, and it is rotary sieve that the scum juice in the present embodiment separates filter screen 14-3.Cutterhead 19-2, cutterhead seat, rotary sieve 14-2 are integral structure, and driving shaft 18-3 passes the chamber 10-3 that squeezes the juice and connects with the output shaft of the motor 2-3 that squeezes the juice through shaft coupling 9-3.Said feeding cylinder 8-3, the chamber 10-3 that squeezes the juice, connect between juice container 16-3, the residue container 13-3 and to form the cavity that connects each other.

Improvements are also to comprise air extractor 1-3; The bleeding point of said air extractor 1-3 directly or through bleed conduit 5-3 and feeding cylinder 8-3, the chamber 10-3 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-3, the residue container 13-3 is communicated with, and the exhaust outlet 3-3 of said air extractor 1-3 is positioned at the cavity outside.For fear of, reduce oxidation; Make the chamber 10-3 that squeezes the juice in the process of squeezing the juice, be airtight cavity; Feeding cylinder 8-3, the chamber 10-3 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-3, the residue container 13-3 and the junction of arbitrary parts all seal, and the position that present embodiment need seal is feeding cylinder 8-3, driving shaft 18-3 and the 10-3 joint, chamber of squeezing the juice, upper cover part 20-2 and residue container 13-3 joint, residue container 13-3 and connects juice container 16-3 joint.After the sealing of above-mentioned position, make feeding cylinder 8-3, the chamber 10-3 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-3, the residue container 13-3 be an airtight cavity, help the air in the chamber 10-3 that squeezes the juice is extracted out.The sealing device 6-3 at feeding cylinder 8-3 place is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder; Also can adopt other any known mode of being tightly connected to realize sealing.

1, is provided with the gas outlet in the upper cover part in chamber of squeezing the juice, the optional position that connects on the parts of formation cavitys such as juice container, residue container, feeding cylinder; Direct and the gas outlet sealed attachment of the bleeding point of air extractor is perhaps used bleeding point and the gas outlet sealed attachment of conduit with air extractor of bleeding.

Air extractor 1-3 in the present embodiment is that electricity drives aspiration pump, and electricity drives aspiration pump and comprises pump body and power source.Power source is an electromagnetic oscillation device, and the pump body is a membrane pump.Electromagnetic oscillation device is through the work of vibratory drive membrane pump.

In order to ensure that air extractor 1-3's is safe in utilization; Be equipped with in the bleeding point place of said air extractor 1-3 or the conduit 5-3 that bleeds and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit 5-3 that bleeds is positioned at the top of foodstuff liquid level.The waterproof and breathable device can be waterproof ventilated membrane or waterproof and breathable sheet, waterproof vent valve, permeable watertight valve, prevent aqueous reflux check (non-return) valve etc.Filter is used to filter the foodstuff dregs, avoids foodstuff to get into electricity and drives in the aspiration pump, and filter can be screen pack or other filters, and is detachable or be fixed in the bleeding point place of air extractor 1-3 or the conduit 5-3 that bleeds.

In order in needs, to remove the negative pressure state in the chamber 10-3 that squeezes the juice; Said cavity is provided with gas turnover by-pass valve control 7-3, in needs, gas is passed in and out by-pass valve control 7-3 open; Air outside gets in the chamber 10-3 that squeezes the juice, and removes negative pressure state.Said gas turnover by-pass valve control 7-3 adopts any in hand-operated valve, motor-driven valve, the magnetic valve, and the lead of motor-driven valve, magnetic valve is electrically connected with control circuit board or power switch.Gas turnover by-pass valve control 7-3 can adopt the following manner setting:

In the present embodiment; For the ease of the automatic control that realizes bleeding; Be sealed and installed with gas pressure sensor 4-3 in the bleeding point place of said air extractor 1-3 or the conduit 5-3 that bleeds; Said gas pressure sensor 4-3, air extractor 1-3 are electrically connected with control circuit board respectively; Gas pressure sensor 4-3 detects, the gas pressure in perception bleeding point place or the conduit 5-3 that bleeds, and passes to the automatic control circuit of control circuit board, and automatic control circuit starts or stops according to gas pressure control air extractor.Said air extractor 1-3 can be installed in juice extractor support 17-3, connect the arbitrary position among juice container 16-3, residue container 13-3 and the sealing device 6-3.Preferably will squeeze the juice in present embodiment motor 2-3 and air extractor 1-3 is installed in the support in the 17-3.In the time of in air extractor is installed on support 17-3, support 17-3 is not the exhaust outlet exhaust that is beneficial to air extractor of sealing.

In order to reduce the noise that produces in the pumping process, among the conduit 5-3 that bleeds of present embodiment air extractor, all be in series with muffler in the exhaust manifolds.

Foodstuff is sent in the feeding cylinder 8-3, covered sealing device 6-3, after the sealing of the above-mentioned needs place of being tightly connected, air extractor 1-3 starts, and extracts the air in the cavity out, and the pressure in the chamber 10-3 that generally squeezes the juice is 5-10kPa.The motor 2-3 that squeezes the juice starts; Through centrifugal squeezing mechanism the juice in the foodstuff is squeezed out; The juice of squeezing out gets into connecing in the juice container 16-3 of the 10-3 bottom, chamber of squeezing the juice through the filtration that scum juice separates filter screen 14-3; Residue gets in the residue container 13-3 because centrifugal action throws away around scum juice separates filter screen 14-3.Because the process of squeezing the juice carries out under the condition of anoxic, thereby avoid or reduce oxidation, make fruit juice keep original nutrition composition, mouthfeel and color.

Embodiment four

Shown in Figure 4ly being the bleed sketch map of juice extractor embodiment four of function of the utility model band, is in the improvement that residue container is arranged on the inner centrifugal juice extractor basis that unites two into one with rotary sieve of rotary sieve.

This juice extractor comprises support 17-4, the motor 2-4 that squeezes the juice, the chamber 10-4 that squeezes the juice, meet juice portion, residue portion.The motor 2-4 that squeezes the juice is installed in the support 17-4, and support 17-4 can be in the side of squeezing the juice chamber 10-4, also can be in the bottom of squeezing the juice chamber 10-4.Support 17-4 in the present embodiment is positioned at the bottom of the chamber 10-4 that squeezes the juice.

Squeeze the juice the chamber by upper cover part 20-3, meet juice container 16-4 and combine.Connect the juice container for meeting juice portion, the feeding cylinder 8-4 with the upper cover part one is installed on feeding cylinder, the annular space that scum juice separates between filter screen and the feeding cylinder constitutes the residue 13-4 of portion.In the present embodiment, be convenience for washing, be demountable structure between the bucket end that meets juice container 16-4 of tubbiness and the ladle body, the helicitic texture of mutual coupling is arranged between the two, be connected as one through thread seal.

In the said chamber 10-4 that squeezes the juice centrifugal squeezing mechanism is installed.Centrifugal squeezing mechanism in the present embodiment comprises that cutterhead 19-4, cutterhead seat, scum juice separate filter screen 14-4, driving shaft 18-4, and it is rotary sieve that the scum juice in the present embodiment separates filter screen 14-4.Wherein, cutterhead 19-4, cutterhead seat, rotary sieve 14-4 are integral structure.

The annular space that scum juice separates between filter screen 14-4 and the feeding cylinder 8-4 is the 13-4 of residue portion.The wall that driving shaft 18-4 passes the bucket end that meets juice container 16-4 connects through the output shaft of shaft coupling with the motor 2-4 that squeezes the juice, and also can directly use the motor 2-4 output shaft of squeezing the juice as driving shaft.Said feeding cylinder 8-4, the chamber 10-4 that squeezes the juice, connect between juice container 16-4, the 13-4 of residue portion and to form the cavity that connects each other.Connect the juice external container handle 21 is arranged.

Improvements are also to comprise air extractor 1-4; The bleeding point of said air extractor 1-4 directly or through bleed conduit 5-4 and feeding cylinder 8-4, the chamber 10-4 that squeezes the juice, the cavity that connects the mutual perforation that forms between the juice container 16-4 is communicated with, and the exhaust outlet 3-4 of said air extractor is positioned at this cavity outside.For fear of, reduce oxidation; Make the chamber 10-4 that squeezes the juice in the process of squeezing the juice, be airtight cavity; The cavity that feeding cylinder 8-4, tubbiness connect the mutual perforation that juice container 16-4 forms all seals with the junction of arbitrary parts, and the position that present embodiment need seal is feeding cylinder 8-4, upper cover part 20-3 and connect juice container 16-4 joint, driving shaft 18-4 and a barrel joint, the end.The mode that feeding cylinder 8-4 goes up through sealing device 6-4 is installed seals, and upper cover part 20-3 adopts directly with connecing juice container 16-4 joint that the mode of combining closely seals, and driving shaft 18-4 adopts mechanically-sealing apparatus such as sealing ring with bucket joint, the end.After the sealing of above-mentioned position, make feeding cylinder 8-4, upper cover part 20-3, the chamber 10-4 that squeezes the juice, the cavity that connects the mutual perforation that forms between juice container 16-4, the 13-4 of residue portion be an airtight cavity, help the air in the chamber of squeezing the juice is extracted out.For present embodiment, the sealing device 6-4 of the said feeding cylinder 8-4 of place is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder; Also can adopt other any known mode of being tightly connected to realize sealing.

The bleeding point of air extractor 1-4 can adopt following mode to realize with being communicated with of cavity:

1, is provided with the gas outlet in upper cover part 20-3, the optional position that connects on the parts of formation cavitys such as juice container 16-4, feeding cylinder 8-4; Direct and the said gas outlet sealed attachment of the bleeding point of air extractor 1-4 is perhaps used bleeding point and the said gas outlet sealed attachment of conduit 5-4 with air extractor 1-4 of bleeding.

2, meet juice container 16-4 and be provided with the hole; The sealed attachment conduit 5-4 that bleeds on the bleeding point of air extractor 1-4; The conduit 5-4 that bleeds passes the hole that connects on the juice container 16-4 and gets in the cavity; The gas inlet end of conduit 5-4 of bleeding is positioned at the top of cavity foodstuff liquid level, and the conduit 5-4 that bleeds is a hermetically-sealed construction with connecing juice container 16-4 joint.

3, the conduit 5-4 that bleeds is located at handle 21 inside.Handle 21 bottom perforates, the hole that the sealed attachment conduit 5-4 that bleeds on the bleeding point of air extractor 1-4, the conduit 5-4 that bleeds pass handle 21 bottoms gets into handle 21 inside; Handle 21 tops with connect juice container 16-4 joint perforate, the conduit 5-4 that bleeds passes this hole and gets in cavity, the gas inlet end of the conduit 5-4 that bleeds is positioned at the top of cavity foodstuff liquid level.The conduit 5-4 that bleeds is a hermetically-sealed construction with connecing juice container 16-4 joint.

The bleeding point of air extractor 1-4 is communicated with except that aforesaid way with cavity, also can adopt other modes.Preferential the 3rd kind of mode in the present embodiment.

Air extractor 1-4 in the present embodiment is that electricity drives aspiration pump, and said electricity drives aspiration pump and comprises pump body and power source, and power source is an individual motor.The pump body has a power transmission shaft, and power transmission shaft connects with the output shaft of individual motor, this body running of output shaft direct-driven pump of individual motor.The pump body adopts the rotary vane type aspiration pump.

Be equipped with in the bleeding point place of said air extractor 1-4 or the conduit 5-4 that bleeds and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit of bleeding is positioned at the top of foodstuff liquid level.The waterproof and breathable device can be waterproof ventilated membrane or waterproof and breathable sheet, waterproof vent valve, permeable watertight valve, prevent aqueous reflux check (non-return) valve etc.Filter is used to filter the foodstuff dregs, avoids foodstuff to get in the aspiration pump, and filter can be screen pack or other filters, and is detachable or be fixed in the bleeding point place or the conduit of bleeding of air extractor.

In order in needs, to remove the negative pressure state in the said cavity, said cavity is provided with gas turnover by-pass valve control 7-4, in needs, gas is passed in and out by-pass valve control 7-4 open, and air outside gets in the cavity, removes negative pressure state.Said gas turnover by-pass valve control 7-4 adopts any in hand-operated valve, motor-driven valve, the magnetic valve, and the lead of magnetic valve, motor-driven valve is electrically connected with control circuit board or power switch.Gas turnover by-pass valve control 7-4 can adopt the following manner setting:

1, at feeding cylinder 8-4, connect on the sidewall at the arbitrary place of cavity of the mutual perforation that forms between the juice container 16-4 and be provided with passage, passage permeate chamber body sidewall is sealed and installed with gas turnover by-pass valve control 7-4 on the passage;

2, on sealing device 6-4, passage is arranged, passage runs through sealing device itself, is sealed and installed with gas turnover by-pass valve control 7-4 on the passage.

3, on the sidewall of the conduit 5-4 that bleeds of air extractor 1-4, be provided with the hole, be sealed and installed with gas turnover by-pass valve control 7-4 on the hole;

In the present embodiment; For the automatic control that realizes bleeding; Be sealed and installed with gas pressure sensor 4-4 in the bleeding point place of said air extractor or the conduit of bleeding, said gas pressure sensor 4-4, air extractor 1-4 are electrically connected with control circuit board respectively, the gas pressure in the gas pressure sensor 4-4 perception bleeding point place or the conduit 5-4 that bleeds; Pass to the automatic control circuit of control circuit board, automatic control circuit starts or stops according to gas pressure control air extractor.Said air extractor 1-4 can be installed in juice extractor support 17-4, connect the arbitrary position in juice container 16-4, sealing device 6-4, the handle 21 etc.Preferably will squeeze the juice in present embodiment motor 2-4 and air extractor 1-4 is installed in the support 17-4.In the time of in air extractor is installed on support 17-4, support 17-4 is not the exhaust outlet exhaust that is beneficial to air extractor of sealing.

In feeding cylinder 8-4, put into foodstuff, cover sealing device 6-4, air extractor 1-4 starts, and extracts the air in the cavity out, and the pressure in the chamber of generally squeezing the juice is 5-10kPa.The motor 2-4 that squeezes the juice starts; Through centrifugal squeezing mechanism the juice in the foodstuff is squeezed out; The filtration that the juice of squeezing out separates filter screen 14-4 through scum juice get into the 10-4 bottom, chamber of squeezing the juice connect juice container 16-4 in, residue get into also stays scum juice separate in the filter screen 14-4, on the 13-4 of residue portion.

Because the process of squeezing the juice carries out under the condition of anoxic, thereby avoid or reduce oxidation, make fruit juice keep original nutrition composition, mouthfeel and color.

The above only is the preferred implementation of the utility model; Should be noted that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims

1. the band juice extractor of function of bleeding; Comprise the motor of squeezing the juice, the chamber of squeezing the juice, meet juice portion, residue portion, the said chamber of squeezing the juice is provided with feeding cylinder, in the said chamber of squeezing the juice squeezing mechanism is installed; The output shaft of motor of squeezing the juice connects with the driving shaft of squeezing mechanism; Said feeding cylinder, the chamber of squeezing the juice, connect between juice portion, the residue portion and to form the cavity that connects each other, it is characterized in that, also comprise air extractor; Said feeding cylinder place is provided with sealing device; Said feeding cylinder, the chamber of squeezing the juice, to connect between juice portion, the residue portion the mutual junction that forms the cavity that connects each other be sealed attachment, and the junction of said cavity and arbitrary parts all seals, and said cavity is airtight cavity in the process of squeezing the juice; The bleeding point of said air extractor directly or through the conduit of bleeding is communicated with said cavity, and it is outside that the exhaust outlet of said air extractor is positioned at said cavity.

2. the bleed juice extractor of function of band according to claim 1; It is characterized in that the said juice portion that connects is for connecing the juice container, the said chamber of squeezing the juice is provided with juice opening; Said juice opening and connect sealed attachment between the juice container is equipped with scum juice and separates filter screen in the said chamber of squeezing the juice.

3. the bleed juice extractor of function of band according to claim 2 is characterized in that, said residue portion is a residue container, and the said chamber of squeezing the juice is provided with slag notch, sealed attachment between said slag notch and the said residue container.

4. according to the bleed juice extractor of function of each described band among the claim 1-3; It is characterized in that; Said air extractor is that manual exhauster or electricity drive aspiration pump; Said electricity drives aspiration pump and comprises pump body and power source, and said power source is any in individual motor, electromagnetic oscillation device, piezoelectric ceramics vibration device, the motor of squeezing the juice.

5. according to the bleed juice extractor of function of each described band among the claim 1-3; It is characterized in that; Be equipped with in the bleeding point place of said air extractor or the conduit of bleeding and prevent that foodstuff or foodstuff flow from going into waterproof and breathable device in the air extractor bleeding point or/and filter, the gas inlet end of the bleeding point or the conduit of bleeding is positioned at the top of foodstuff liquid level.

6. according to the bleed juice extractor of function of each described band among the claim 1-3; It is characterized in that; On the said cavity or on the sealing device or the conduit of bleeding be provided with gas turnover by-pass valve control, said gas turnover by-pass valve control adopts any in hand-operated valve, motor-driven valve, the magnetic valve.

7. according to the bleed juice extractor of function of each described band among the claim 1-3; It is characterized in that; Also comprise automaton, said automaton is that time control circuit, Pneumatic controller or electricity drive any in detection of aspiration pump load current and the control circuit; Said Pneumatic controller comprises baroceptor or baroswitch, and baroceptor or baroswitch are electrically connected with control circuit board, and baroceptor or baroswitch are communicated with said cavity; Said baroswitch is mechanical type or electronic type.

8. according to the bleed juice extractor of function of each described band among the claim 1-3, it is characterized in that also comprise the air pressure display unit, said air pressure display unit is communicated with said cavity, the air pressure display unit is mechanical type air-pressure gage or electronic type air gauge.

9. according to the bleed juice extractor of function of each described band among the claim 1-3, it is characterized in that said air extractor is installed in the juice extractor support, connects the arbitrary position in juice container, residue container, handle and the sealing device; Said sealing device is seal cover or piston type sealing device, realizes sealing with thread connection or interference fit joint mode between seal cover and the feeding cylinder; Realize sealing with thread connection or interference fit joint mode or slipper seal mode between piston type sealing device and the feeding cylinder; Juice opening and connect between the juice container with thread connection or interference fit joint mode and realize sealing; Realize sealing with thread connection or interference fit joint mode between slag notch and the residue container; Said power source of squeezing the juice motor or air extractor is installed in support or the head.

10. the bleed juice extractor of function of band according to claim 4; It is characterized in that said power source is when squeezing the juice motor, the pump body has a power transmission shaft; Power transmission shaft connects with the output shaft of the motor of squeezing the juice, this body running of output shaft direct-driven pump of the motor of squeezing the juice; Or the output shaft of the motor of squeezing the juice is through the propeller shaft couplings of transmission mechanism and pump body.

11. according to the bleed juice extractor of function of each described band among the claim 1-3, it is characterized in that, in the bleeding point place of said air extractor, the conduit of bleeding, at least one place is in series with muffler in exhaust ports and the exhaust manifolds.

12., it is characterized in that when squeezing the juice, the gas pressure in the said cavity is greater than 0 kPa, less than 10 kPas according to the bleed juice extractor of function of each described band among the claim 1-3.