WO2019128111A1 - 用于烹饪器具的泄压装置和烹饪器具 - Google Patents
用于烹饪器具的泄压装置和烹饪器具 Download PDFInfo
- Publication number
- WO2019128111A1 WO2019128111A1 PCT/CN2018/089951 CN2018089951W WO2019128111A1 WO 2019128111 A1 WO2019128111 A1 WO 2019128111A1 CN 2018089951 W CN2018089951 W CN 2018089951W WO 2019128111 A1 WO2019128111 A1 WO 2019128111A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure relief
- cooking appliance
- blocking member
- seal
- cooking
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
- A47J27/092—Devices for automatically releasing pressure before opening
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0804—Locking devices
- A47J27/0815—Locking devices where vessel and lid have adapted shapes to provide for the locking action
Definitions
- the present application relates to the field of cooking equipment, and more particularly to a pressure relief device and a cooking appliance for a cooking appliance.
- the existing vacuum rice cooker includes a vacuum device and a pressure relief structure, and a vacuum device is used to realize a negative pressure state in the cooking device, thereby improving the rice cooking effect, and when the rice cooker needs to return from a negative pressure state to a normal pressure state, the pressure relief structure is performed. Relieve pressure.
- existing vacuum rice cookers still have many deficiencies, such as insufficient sealing performance, high production cost, and the like, and there is room for improvement.
- the present application is intended to address at least one of the technical problems existing in the prior art. To this end, the present application proposes a pressure relief device for a cooking appliance that has better sealing performance and a longer service life.
- the application also proposes a cooking appliance.
- a pressure relief device for a cooking appliance having a pressure relief hole
- the pressure relief device comprising: a sealing assembly for opening and closing the pressure relief hole; a drive assembly,
- the drive assembly is coupled to the seal assembly for driving the seal assembly to open or block the pressure relief aperture.
- the sealing component of the sealing assembly or the sealing assembly is driven by the driving assembly to realize opening and closing of the pressure relief hole, the structure is simple, and the cost of the cooking appliance is reduced.
- the cover of the cooking appliance has the pressure relief hole and a mounting opening directly above the pressure relief hole, the sealing assembly including a longitudinally movable blocking member and a seal at the mounting opening, a middle portion of the seal is connected to the blocking member to move with the blocking member, and an outer circumference of the sealing member is sealingly connected at the mounting opening, the driving An assembly is coupled to the closure member of the seal assembly for driving the closure member of the seal assembly to move.
- the middle portion of the sealing member is connected to the blocking member by fixing the sealing member at the mounting opening, and the outer peripheral edge of the sealing member is sealingly connected to the mounting opening to realize the sealing member.
- the multi-stage connection is fixed to prevent the seal from coming off, improve the sealing property of the seal, and thereby improve the sealing performance and the use performance of the pressure relief device.
- the seal includes: a movable portion that is coupled to the blocking member to move with the blocking member; and a fixing portion that is coupled to the movable portion and formed along the movable portion a circumferentially extending annular shape of the movable portion, the fixing portion being sealingly connected at the mounting opening.
- the blocking member forms a column extending in the longitudinal direction, and a lower end of the blocking member is coupled to the movable portion.
- the lower end side peripheral wall of the blocking member has an annular groove extending along a circumferential direction thereof to form a chuck at a lower end of the blocking member, and a middle portion of the movable portion has a chucking engagement with the chuck Card slot.
- the mounting opening is defined by an annular support rib disposed directly above the pressure relief hole, the fixed portion having an annular sealing groove opening toward the annular support rib, the annular support rib and the seat
- the annular sealing groove is snap-connected
- the sealing assembly further includes: a pressing member adapted to be detachably disposed at the mounting opening to press the outer circumference of the fixing portion to the ring
- a pressing member adapted to be detachably disposed at the mounting opening to press the outer circumference of the fixing portion to the ring
- An upper surface of the support rib, the upper surface of the annular support rib is provided with a limiting protrusion to increase the friction between the annular support rib and the sealing member.
- the movable portion is made of a flexible material
- the fixing portion is made of a flexible material or a hard material
- the sealing member is an integrally molded piece.
- the driving assembly further includes: an electromagnet and an electromagnet push rod driven by the electromagnet, the electromagnet push rod being coupled to the blocking member for pushing the The blocking member moves, the end of the electromagnet push rod has an abutting portion, and the driving assembly further includes a return elastic member, and both ends of the return elastic member respectively terminate with the abutting portion and the electromagnet A pressure-control elastic member is connected between the electromagnet push rod and the blocking member.
- the force of the lateral movement of the lateral push rod is converted into the force of the longitudinal movement of the seal assembly by the lateral push rod of the drive assembly, thereby driving the seal assembly against the pressure relief hole
- the opening and closing action is performed; at the same time, the structure is simple, and the cost of the pressure relief device is effectively reduced.
- the cooking appliance has a cooking cavity and a pressure relief aperture that is in communication with the cooking cavity, the seal assembly being movable longitudinally for opening and closing the pressure relief aperture, the drive assembly A lateral push rod movable in a lateral direction, the lateral push rod being coupled to the seal assembly to drive the seal assembly to move in the longitudinal direction as the lateral push rod moves in the lateral direction.
- At least a portion of the lateral push rod forms a drive segment having a highest point and a lowest point, the seal assembly having a through hole extending in the lateral direction, the lateral push rod passing through the through hole and The seal assembly is moved when the drive segment mates with the through hole.
- the drive segment forms a slanted bar segment that extends obliquely relative to the lateral direction, wherein the drive segment extends obliquely downwardly from the inside toward the outside along the lateral direction, the highest point and the lowest point They are respectively formed at both ends of the driving segment.
- the longitudinal section of the inner wall surface of the through hole forms an arc curved in the middle toward the center of the through hole.
- the pressure relief device further includes: a valve body having a passage extending along the longitudinal direction, the seal assembly including: a longitudinal push rod along a length of the passage Moving in a direction, the top end of the longitudinal push rod is provided with the through hole; a sealing member for opening and blocking the pressure releasing hole, and an outer circumference of the sealing member is connected to a bottom of the valve body, A central portion of the seal is coupled to the longitudinal push rod for movement with the longitudinal push rod.
- the sealing assembly further includes: a blocking member, the blocking member is disposed in the valve body, and an elastic member is disposed between the blocking member and the longitudinal push rod, The middle portion of the sealing member is connected to the blocking member, wherein the outer shape of the blocking member is slightly smaller than the cross-sectional dimension of the passage, and the blocking member is coupled to the middle portion of the sealing member.
- the drive assembly is an electromagnet assembly and includes an electromagnet and a drive rod driven by the electromagnet, the drive rod is jacketed with a spring, and two ends of the spring are respectively associated with the drive rod The free end and the electromagnet are connected to each other, wherein the free end of the driving rod is provided with a latching portion, and one end of the lateral push rod is snap-connected with the latching portion.
- a cooking appliance according to a second aspect of the present application comprising the pressure relief device for a cooking appliance according to the above embodiments.
- the driving assembly drives the sealing assembly to move, the opening and closing of the pressure releasing hole is realized, the structure is simple, and the cost of the cooking appliance is reduced.
- the cooking appliance further includes: a pot body having a cooking chamber having an open top; a cover body movably mounted to the pot body between an open position and a closed position, The pressure relief hole is disposed on the cover body, and the pressure relief device is disposed in the cover body.
- the cover has a suction port
- the cooking appliance further includes a vacuum device in communication with the suction port to create a negative pressure within the cooking cavity of the cooking appliance.
- a cooking appliance comprising: a pot body having a cooking chamber having an open top; a lid body movably mounted to the pot body between an open position and a closed position
- the cover body has an air suction port and a pressure release hole; a micro diaphragm pump communicates with the air suction port to form a negative pressure in the cooking cavity; and is used for opening and blocking the pressure relief hole a pressure relief device, the pressure relief device is disposed in the cover body to allow air to enter the cooking cavity through the pressure relief hole or to discharge steam through the pressure relief hole when opening the pressure relief hole Outside the cooking chamber, wherein the pressure relief hole has an orthographic projection area on the bottom wall of the cooking chamber of 20 mm 2 - 51 mm 2 .
- the above-mentioned conditions are satisfied by defining the orthographic projection area of the pressure relief hole on the bottom wall of the cooking chamber, thereby minimizing the pressure relief noise, avoiding the overflow of the rice soup, and at the same time minimizing the vacuum adsorption. Force, thereby reducing the cost of cooking appliances.
- the pressure relief hole forms a circular hole, and the pressure relief hole has a diameter of 5 mm to 8 mm.
- the pressure relief device includes: a seal assembly movable in a longitudinal direction for opening and closing the pressure relief hole; a drive assembly, the drive assembly and the seal A component connection for driving the seal assembly to move to seal the pressure relief hole.
- the pressure relief device further includes: a valve body having a passage extending along the longitudinal direction, the seal assembly including: a valve core, the valve core being disposed at the valve Movable in the body and along the length of the passage; a seal for opening and closing the pressure relief hole, the outer circumference of the seal is connected to the bottom of the valve body, the middle portion of the seal is The spool is coupled for movement with the spool, wherein the spool forms a column extending along a length of the passage, and one end of the spool is coupled to the drive assembly, the spool The other end is provided with a snap portion that is in snap-fit connection with the sealing member; and/or the sealing assembly further includes: a blocking member, the blocking member is movably disposed in the valve body and the sealing member A pressure-control spring is disposed between the blocking member and the valve core, and a middle portion of the sealing member is connected to the blocking member.
- the drive assembly includes an electromagnet and a drive rod driven by the electromagnet, the drive rod is coupled to the seal assembly, the drive rod is jacketed with a return spring, and two of the return springs The ends are respectively connected to the end of the drive rod and the electromagnet.
- the cover body includes an inner cover and a cover plate disposed on a side of the inner cover facing the cooking chamber, and the air suction port and the pressure release hole are disposed on the cover plate, wherein a sealing ring connected to the cover plate is disposed on a side of the inner cover facing the cover plate, and the pressure is defined between the inner cover, the cover plate and the sealing ring
- the pressure-receiving chamber is connected to the hole, and the inner cover is further provided with a steam valve, and the steam valve is electrically connected to the pressure-reducing chamber.
- a cooking appliance comprising: a pot body having a top open cooking chamber; a lid body pivotally coupled to the open position and the closed position by a pivot shaft to The pot body has a suction port, an air outlet and a steam passage communicating with the cooking chamber; a vacuum pump, the vacuum pump is disposed in the cover body and is respectively connected to the air suction port and the air outlet To create a negative pressure within the cooking chamber, the vacuum pump is located between the pivot shaft and the steam passage.
- the vacuum pump by disposing the vacuum pump between the pivot shaft and the steam passage, it is helpful to reduce the rotational torque of the vacuum pump, thereby reducing the rotational torque of the cover opening; and simultaneously improving the opening of the vacuum pump in the cover
- the stability of the time can effectively prevent the opening of the flea.
- the steam passage is disposed adjacent to the pivot shaft, the vacuum pump being disposed adjacent to the pivot shaft or the steam passage.
- the suction port is provided in a middle portion of the cover body in a normal direction perpendicular to an axis of the pivot shaft.
- the air outlet is disposed adjacent to the pivot shaft and an outer circumference of the cover.
- the vacuum pump is fixed in the cover body by a mounting bracket, wherein the mounting bracket comprises: at least two oppositely arranged support columns and a support plate, the support plate being provided in at least two a top portion of the support column and connected to each of the support columns, the vacuum pump being mounted on the support plate, at least two of the support columns being arranged at a normal spacing perpendicular to an axis of the pivot axis; and Or, at least a portion of a side surface of the support plate facing the vacuum pump forms a curved surface that matches the outer shape of the vacuum pump.
- the vacuum pump has a vacuum pump inlet and a vacuum pump outlet, and the vacuum pump inlet communicates with the suction port through a connecting pipe, and the vacuum pump outlet communicates with the air outlet through a connecting pipe.
- the cooking appliance comprises a pressure relief device for a cooking appliance according to the above embodiments.
- a cooking appliance comprising: a pot body having a cooking chamber having an open top; a lid body movably mounted to the pot body between an open position and a closed position
- the cover body has an air suction port; the air suction device communicates with the air suction port to form a negative pressure in the cooking cavity; and an anti-blocking member, the anti-blocking member is disposed at the air suction port And the anti-blocking member defines at least one airflow passage communicating with the cooking cavity and the suction port between the cover body when the air suction device is in operation, and the horizontal flow of each of the airflow passages
- the cross-sectional area S1 is less than or equal to 4 mm 2 .
- the air extracting device can define an air flow passage with the anti-blocking member during operation, and define a cross-sectional area of the airflow passage, thereby effectively preventing the large-grain food such as rice grains from being blocked.
- the air port realizes the anti-blocking function, ensuring smooth air pumping, thereby improving the user experience of the cooking appliance.
- the anti-blocking member is a flexible member, and the anti-blocking member is snapped at the suction port; and/or the air suction device is a vacuum pump.
- the cover body includes an inner cover and a cover plate connected to a side of the inner cover facing the cooking cavity
- the anti-blocking member includes: a fixing portion, at least the fixing portion a portion of the cross-sectional area is larger than a cross-sectional area of the suction port and located at a side of the cover plate facing the inner cover; an anti-blocking portion connected to the fixing portion and located at the cover plate a side facing away from the inner cover, the anti-blocking portion having at least one groove facing a side of the cover plate to define the air flow passage with the cover plate when the air extracting device is in operation
- the groove has a cross-sectional area of the S1, wherein the groove includes a plurality of grooves, and a plurality of the grooves are circumferentially spaced along the fixing portion, and a cross section of the plurality of grooves
- the area sum S2 is greater than or equal to 7 mm 2 ; and/or the groove is formed in a square shape, a circular shape
- the method further includes: a connection joint provided on the inner cover, the connection joint having a connection passage that is electrically connected to the suction port, and the air suction device is connected to the connection passage.
- Figure 1 is a schematic view showing the structure of a cooking appliance according to the present application.
- Figure 2 is an enlarged view of a portion A of Figure 1;
- FIG. 3 is a schematic structural view of a pressure relief device according to another embodiment of the present application.
- Figure 4 is a schematic structural view of a cooking appliance according to the present application.
- Figure 5 is a schematic view showing the installation of the pressure relief device of the cooking appliance according to the present application on the cover;
- Figure 6 is a schematic structural view of a pressure relief device according to the present application.
- Figure 7 is a schematic structural view of a cooking appliance according to the present application.
- Figure 8 is a schematic view showing the installation of the pressure relief device on the cover according to the present application.
- Figure 9 is a schematic structural view of a cover plate according to the present application.
- Figure 10 is an enlarged view of a portion C shown in Figure 7;
- FIG. 11 is a schematic structural view of a pressure relief device according to another embodiment of the present application.
- Figure 12 is a schematic structural view of a cooking appliance according to the present application, wherein the cover is in a closed state;
- Figure 13 is a schematic structural view of a cooking appliance according to the present application, wherein the cover is in an open state;
- Figure 14 is a schematic view showing the installation of a vacuum pump according to the present application on a cover
- Figure 15 is a schematic structural view of a cooking appliance according to the present application.
- Figure 16 is an enlarged view of the E1 portion of Figure 15;
- Figure 17 is a schematic structural view of a blocking member according to the present application.
- Figure 18 is a plan view of the anti-blocking member according to Figure 17;
- Figure 19 is a partial cross-sectional view taken along line E2-E2 of Figure 18.
- Cover body 20 inner cover 201, cover plate 202, pivot shaft 203,
- connection In the description of the present application, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
- Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
- the specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.
- the pressure relief device of the vacuum rice cooker in the related art is composed of an electromagnet, a small ball valve and a sealing ring, and the pressure relief hole is blocked by a small ball valve, thereby sealing the cooking cavity; when the rice cooker needs to return from the negative pressure state to the normal pressure In the state, the ball is pushed away by the electromagnet to release the pressure.
- the sealing ring in the pressure relief device has a hidden danger of being detached during use, and aging deformation occurs after a period of frequent use, thereby affecting the sealing property of the structure.
- the present application proposes a pressure relief device for a cooking appliance that has better sealing performance and a longer service life.
- a pressure relief device for a cooking appliance includes a seal assembly and a drive assembly.
- the cooking appliance 100 has a pressure relief hole 21, the sealing assembly is movable in the longitudinal direction or the sealing member includes a longitudinally movable blocking member for opening and closing the pressure relief hole 21, the driving assembly and the sealing assembly A connection for driving the sealing assembly to open or block the pressure relief hole 21.
- the drive assembly can drive the seal assembly to move to open or seal the pressure relief aperture 21, or the drive assembly can drive the closure member of the seal assembly to move to open or seal the pressure relief aperture 21.
- the sealing member of the sealing assembly or the sealing assembly is driven by the driving assembly to realize the opening and closing of the pressure relief hole 21, the structure is simple, and the cost of the cooking appliance is reduced.
- a pressure relief device 30A for a cooking appliance according to the present application will be described below with reference to Figs.
- the cover 20 of the cooking appliance 100 has a pressure relief hole 21 and a mounting opening 23, and the mounting opening 23 is located in the pressure relief hole.
- the pressure relief device 30A includes a seal assembly 31A and a drive assembly 32A.
- the seal assembly 31A is for opening and closing the pressure relief hole 21, the seal assembly 31A includes a seal member 314A and a seal member 313A, the seal member 314A is movable in the longitudinal direction, and the seal member 313A is disposed at the mounting port 23, the middle portion of the seal member 313A It is coupled to the blocking member 314A so as to be movable with the blocking member 314A, and the outer periphery of the sealing member 313A is sealingly coupled to the mounting opening 23.
- the driving assembly 32A is coupled to the blocking member 314A for driving the blocking member 314A to move, thereby causing the sealing member 313A to move to open or close the pressure releasing hole 21.
- the pressure relief device 30A for a cooking appliance of the present application by fixing the seal 313A at the mounting opening 23, the middle portion of the seal 313A is connected to the blocking member 314A, and the outer circumference of the sealing member 313A is sealingly connected thereto.
- the mounting port 23 realizes multi-stage connection and fixing of the sealing member 313A, prevents the sealing member 313A from coming off, improves the sealing property of the sealing member 313A, and further improves the sealing property and the usability of the pressure releasing device 30A.
- the sealing member 313A includes a movable portion 3131A and a fixing portion 3132A, and the movable portion 3131A is connected with the blocking member 314A so as to be movable with the blocking member 314A and fixed.
- the portion 3132A is coupled to the movable portion 3131A, and the fixed portion 3132A is formed in a ring shape extending in the circumferential direction of the movable portion 3131A, and the fixed portion 3132A is sealingly coupled to the mounting port 23.
- the blocking member 314A is formed in a columnar shape extending in the longitudinal direction (up and down direction in FIG. 2), and the lower end of the blocking member 314A is snap-connected to the movable portion 3131A.
- the sealing of the sealing member 311 is achieved by the engagement of the blocking member 314A with the movable portion 3131A, and the falling of the sealing member 311 is prevented.
- the lower end side peripheral wall of the blocking member 314A has an annular groove extending in the circumferential direction of the blocking member 314A, thereby forming a chuck 3141A at the lower end of the blocking member 314A, and the middle portion of the movable portion 3131A has The card slot 31311A is engaged with the card head 3141A, so that the movable portion 3131A is engaged with the blocking member 314A to realize synchronous movement with the blocking member 314A.
- the pressure relief hole 21 has an annular support rib 50 directly above, the annular support rib 50 defines a mounting opening 23, and the fixing portion 3132A has an annular sealing groove 31321A, and the annular sealing groove 31321A The opening is oriented in the direction of the annular support rib 50, and the annular support rib 50 is snap-fitted to the annular seal groove 31321A.
- the seal member 311 is fixed at the mounting opening 23, further preventing the seal member 311 from falling off and improving stability.
- the radial dimension of the annular sealing groove 31321A is not less than the radial dimension of the annular supporting rib 50, so that the locking of the fixing portion 3132A and the annular supporting rib 50 is more firm, and the sealing property of the sealing member 313A is improved.
- the seal assembly 31A further includes a pressing member 311A that is detachably provided at the mounting opening 23, and the pressing member 311A is disposed at an upper portion of the fixing portion 3132A so that the outer periphery of the fixing portion 3132A can be The edge pressure is provided on the upper surface of the annular support rib 50.
- the upper surface of the annular support rib 50 is provided with a stop projection 51 which can increase the friction between the annular support rib 50 and the seal 313A. Further, the sealing member 311 is pressed by the limiting action of the limiting projection 51 to prevent the sealing member 311 from coming off and the stability is improved.
- the inner peripheral wall of the annular seal groove 31321A may also be provided with a matte structure such as etched, thereby increasing the friction between the seal 313A and the annular support rib 50.
- the movable portion 3131A is made of a flexible material
- the fixed portion 3132A may be made of a flexible material
- the fixing portion 3132A may also be made of a hard material to improve the fixing strength to the sealing member 313A by the hard sealing of the fixing portion 3132A and the annular supporting rib 50.
- the seal 313A may be an integrally formed piece to facilitate the mounting and dismounting of the seal 313A and is convenient to fix.
- the driving assembly 32A includes an electromagnet 322A and an electromagnet push rod 323A.
- the electromagnet push rod 323A is driven by the electromagnet 322A, and the electromagnet push rod 323A is connected to the blocking member 314A, thereby controlling electromagnetic
- the movement of the electromagnet push rod 323A can be controlled to drive the blocking member 314A to move, thereby opening or closing the pressure relief hole 21.
- the end portion of the electromagnet push rod 323A (the upper end portion shown in FIG. 3) has a stopper portion 3231A
- the drive assembly 32A further includes a return elastic member 324A, and the return elastic member 324A.
- One end is abutted against the abutting portion 3231A, and the other end of the return elastic member 324A is connected to the electromagnet 322A.
- the return elastic member 324A is deformed.
- the return resilient member 324A is a spring that is sleeved over the electromagnet push rod 323A.
- the return elastic member 324A can buffer the movement of the electromagnet push rod 323A.
- the electromagnet push rod 323A can be moved by the elastic force of the return elastic member 324A.
- a pressure-controlling elastic member 312A is disposed in the passage 3110, and both ends of the pressure-control elastic member 312A are respectively connected to the blocking member 314A and the electromagnet push rod 323A.
- the pressure-control elastic member 312A can buffer the movement of the blocking member 314A, and can avoid the problem of poor sealing caused by assembly errors and avoid jamming.
- the pressure control elastic member 312A in the passage 3110 when the pressure relief device 30A fails, the pressure in the cooking chamber 11 overcomes the elastic force of the pressure control elastic member 312A to open the pressure release hole 21, thereby realizing pressure relief.
- the cooking appliance 100 is provided with a safety protection function to ensure the normal operation of the cooking appliance 100.
- the pressure relief device 30A further includes a driving portion 321A having a threaded hole therein, and one end of the electromagnet push rod 323A (the lower end as shown in FIG. 5) has a thread so that the electromagnet push rod
- the 323A and the driving portion 321A are connected by screwing, and the structure is simple and the connection is convenient.
- the driving portion 321A may have a threaded cylinder, and the electromagnet push rod 323A has a screw hole.
- the threaded cylinder of the driving portion 321A is mounted in the screw hole, and the height position of the driving portion 321A can be adjusted by the screw rotation.
- the electromagnet push rod 323A and the driving portion 321A may be snap-connected.
- the lower end of the side wall of the electromagnet push rod 323A has an annular groove recessed inward, and the driving portion 321A can be engaged in the annular groove, so that the electromagnet push rod 323A is fixedly coupled to the driving portion 321A.
- the cooking appliance according to an embodiment of the present application includes the pressure relief device 30A for the cooking appliance of the above embodiment embodiment.
- the pressure relief device 30A is disposed within the cover 20.
- the cover 20 also has an air suction port 22, and the cooking appliance 100 further includes a vacuum device 40A that communicates with the air suction port 22 so that a negative pressure can be formed in the cooking cavity 11.
- the cooking appliance 100 may be a rice cooker, a rice cooker, an electric pressure cooker, or the like.
- the cooking appliance 100 includes a pot body 10, a lid body 20, a pressure relief device 30A, and a vacuum device 40A.
- the pot body 10 has a cooking chamber 11 that is open at the top, and a heating device is provided at the bottom of the pot body 10.
- the cover body 20 is mounted on the pot body 10.
- the cover body 20 has a pressure relief hole 21, an air suction port 22 and a mounting opening 23.
- An annular support rib 50 is defined directly above the pressure relief hole 21, and the annular support rib 50 defines a mounting opening 23.
- the pressure relief device 30A and the vacuum device 40A are disposed within the cover 20, and the vacuum device 40A is a micro diaphragm pump, and the pressure relief device 30A includes a seal assembly 31A and a drive assembly 32A.
- the seal assembly 31A includes a hold down member 311A, a seal member 314A, and a seal 313A.
- the sealing member 313A includes a movable portion 3131A and a fixing portion 3132A.
- the middle portion of the movable portion 3131A has a card slot 31311A.
- the lower end side peripheral wall of the blocking member 314A has an annular groove extending along the circumferential direction of the blocking member 314A.
- the lower end of the piece 314A forms a chuck 3141A, and the card slot 31311A is snap-connected with the chuck 3141A.
- the fixing portion 3132A has an annular sealing groove 31321A, and the annular supporting rib 50 is in snap-fit connection with the annular sealing groove 31321A.
- the pressing member 311A is provided at an upper portion of the fixing portion 3132A, and the outer periphery of the fixing portion 3132A is press-fitted to the upper surface of the annular supporting rib 50.
- the upper surface of the annular support rib 50 is provided with a limiting protrusion 51, which increases the friction between the annular supporting rib 50 and the fixing portion 3132A.
- the initial positioning of the sealing member 313A is realized by the snap connection of the movable portion 3131A and the blocking member 314A; further, the engagement of the annular sealing groove 31132A of the fixing portion 3132A with the annular supporting rib 50 is further realized. Fixing; further fixing and limiting the sealing member 313A by the pressing action of the pressing member 311A, so that the sealing member 313A is always maintained in a reliable state of achieving sealing and unsealing, preventing structural deformation in the sealing member 313A. When it falls off, it avoids seal failure and product function failure.
- the pressure relief structure of the vacuum rice cooker in the related art is composed of an electromagnet and a small ball valve, and the pressure relief hole is blocked by the small ball valve, so that the cooking cavity is sealed; when the rice cooker needs to return from the negative pressure state to the normal pressure state, The ball is then pushed away by an electromagnet to relieve pressure.
- small ball valves are costly and lack market competitiveness for rice cookers that only have a vacuum system.
- the present application proposes a pressure relief device for a cooking appliance, which has a simple structure and a low production cost.
- a pressure relief device 30B for a cooking appliance according to the present application will be described below with reference to Figs.
- the cooking appliance 100 has a cooking chamber 11 and a pressure relief hole 21, and the pressure relief hole 21 is electrically connected to the cooking chamber 11, and the pressure relief device 30B includes: a sealing assembly 31B and Drive component 32B.
- the seal assembly 31B is movable in the longitudinal direction (up and down direction as shown in FIG. 6) for opening and closing the pressure relief hole 21, the drive assembly 32B has a lateral push rod 321B, and the lateral push rod 321B can be laterally (FIG. 6) Moving in the left-right direction shown, the lateral push rod 321B is coupled to the seal assembly 31B so that the drive seal assembly 31B can be moved in the longitudinal direction when the lateral push rod 321B is moved in the lateral direction.
- the lateral push rod 321B of the drive assembly 32B by the lateral push rod 321B of the drive assembly 32B, the force of the lateral movement of the lateral push rod 321B is converted into the force of the longitudinal movement of the seal assembly 31B, thereby driving the seal assembly 31B against the pressure relief hole. 21 performs the opening and closing operation; at the same time, the structure is simple, and the cost of the pressure relief device 30B is effectively reduced, thereby reducing the cost of the cooking appliance 100.
- the lateral push rod 321B forms a drive segment 3211B having a highest point and a lowest point
- the seal assembly 31B has a through hole 3121B
- the through hole 3121B may extend in a lateral direction
- the lateral push rod 321B passes through The through hole 3121B
- the driving section 3211B can be engaged with the through hole 3121B, thereby driving the sealing assembly 31B to move by the movement of the driving section 3211B.
- At least a portion of the drive segment 3211B can form arcuate segments having different heights.
- the drive segment 3211B forms a slanted bar segment that extends obliquely relative to the lateral direction. That is, the driving section 3211B forms a diagonal pole section inclined with respect to the direction of the lateral push rod 321B, the driving section 3211B has the highest point and the lowest point, the highest point of the driving section 3211B is connected with the lateral push rod 321B, and the lowest point of the driving section 3211B can form a free end.
- the driving segment 3211B moves synchronously.
- the lateral push rod 321B can also be coupled to the lowest point of the drive segment 3211B, and the highest point of the drive segment 3211B can form a free end.
- the highest point and the lowest point of the driving section 3211B may also be respectively connected to the two sections of the disconnected lateral push rod 321B, and when the lateral push rod 321B is moved, the driving section 3211B is synchronously moved.
- the drive segment 3211B extends obliquely downwardly from the inside to the outside in a lateral direction, and the highest point and the lowest point are formed at both ends of the drive segment 3211B, respectively.
- the driving section 3211B gradually extends obliquely downward from left to right in the left-right direction, and the highest point and the lowest point of the driving section 3211B are respectively formed at both ends of the driving section 3211B, thereby driving
- the seal assembly 31B opens the pressure relief hole 21;
- the seal assembly 31B blocks the pressure relief hole 21.
- the projection length of the horizontal (horizontal direction in FIG. 6) of the driving segment 3211B is equal to the moving stroke of the driving lever 323B, and the projection length of the driving section 3211B in the vertical direction (up and down direction in FIG. 6) is the stroke of the sealing assembly 31B.
- the longitudinal section of the inner wall surface of the through hole 3121B is formed in an arc curved from the center toward the center of the through hole 3121B, and the longitudinal section herein refers to a section cut along the axial direction of the through hole 3121B.
- the middle portion refers to the intermediate portion of the inner wall surface of the through hole 3121B, that is, the middle portion of the inner wall surface of the through hole 3121B is bent toward the center of the through hole 3121B, and the inner wall of the through hole 3121B is convex toward the lower side, and the through hole 3121B is located at the lower portion.
- the inner wall protrudes upward.
- Such a structure can serve as a guide for facilitating the through hole 3121B to cooperate with the driving segment 3211B such that the highest point of the driving segment 3211B is in contact with the upper portion of the through hole 3121B, and the lowest point of the driving segment 3211B is in contact with the lower portion of the through hole 3121B.
- the pressure relief device 30B further includes a valve body 33B having a passage 331B extending in the longitudinal direction.
- the seal assembly 31B includes a longitudinal push rod 312B and a seal member 313B. The longitudinal push rod 312B moves along the longitudinal direction of the passage 331B.
- the top end of the longitudinal push rod is provided with a through hole 3121B, and the seal member 313B is used to open and seal the pressure release hole 21
- the outer periphery of the sealing member 313B is sealingly connected to the bottom of the valve body 33B, and the middle portion of the sealing member 313B is snap-connected with the longitudinal push rod 312B, so that the middle portion of the sealing member 313B can be moved with the longitudinal push rod 312B to open or block.
- Pressure relief hole 21 is provided.
- the sealing assembly 31B further includes a blocking member 314B, the blocking member 314B is disposed in the valve body 33B, and an elastic member 315B is disposed between the blocking member 314B and the longitudinal push rod 312B, and the elastic member 315B can be
- the movement of the blocking member 314B serves as a buffering function, and at the same time, the problem of poor sealing caused by assembly errors can be avoided, and the longitudinal push rod 312B can be prevented from being stuck.
- the elastic member 315B is a spring
- the lower end of the blocking member 314B is snap-connected with the middle portion of the sealing member 313B.
- the upper end of the blocking member 314B has a positioning groove for positioning the lower end of the spring, and the upper end of the spring and the longitudinal push rod The lower end of the 312B is connected.
- the outer shape of the blocking member 314B is slightly smaller than the cross-sectional dimension of the passage 331B, so that the blocking member 314B can be disposed inside the valve body 33B.
- the lower end of the blocking member 314B has an annular card slot, so that the longitudinal section of the blocking member 314B forms a structure with a lower end, and the middle portion of the sealing member 313B has an annular protrusion extending inwardly, and the annular protrusion can be inserted. It is connected to the card slot at the lower end of the blocking member 314B, so that the sealing member 313B and the blocking member 314B are snap-connected to prevent the sealing member 313B from coming off.
- the drive assembly 30 is an electromagnet assembly.
- the electromagnet assembly includes an electromagnet 322B and a drive rod 323B, and the drive rod 323B is moved by the electromagnet 322B to drive the lateral push rod 321B to move in the lateral direction.
- the driving rod 323B is externally sleeved with a spring 324B.
- the two ends of the spring 324B are respectively connected to the free end of the driving rod 323B and the electromagnet 322B, and the spring 324B can buffer the movement of the driving rod 323B, and when the driving rod 323B After the moving driving spring 324B is compressed, the spring 324B can replace the suction force of the electromagnet 322, so that the driving rod 323B returns to the original position by the elastic force of the spring 324B.
- the pressure relief hole 21 can be opened by the air pressure in the cooking chamber 11 against the elastic force of the spring 324B, thereby realizing pressure relief, starting from the cooking appliance 100. To the role of safety protection, the normal operation of the cooking appliance 100 is ensured.
- the free end of the driving rod 323B is provided with a locking portion 3231B, and one end of the lateral pushing rod 321B is snap-connected with the engaging portion 3231B.
- the right end of the drive lever 323B forms the free end of the drive lever 323B.
- the lateral push rod 321B is disposed at the right end of the driving rod 323B, and the left end of the lateral push rod 321B forms a hook, and the hook is snap-connected with the engaging portion 3231B, thereby fixedly connecting the lateral push rod 321B and the driving rod 323B, so that the two are realized. Synchronous movement.
- the cooking appliance according to an embodiment of the present application includes a pot body 10, a lid body 20, and a pressure relief device 30B for a cooking appliance according to an embodiment of the present application.
- the pot body 10 has a cooking chamber 11 with an open top.
- the lid body 20 is mounted on the pot body 10.
- the lid body 20 is movable between an open position and a closed position.
- the pressure relief hole 21 is disposed on the lid body 20, and the pressure relief device 30B. It is disposed in the cover body 20.
- the lateral push rod 321B of the drive assembly 32B drives the seal assembly 31B to move, thereby opening and closing the pressure relief hole 21, the structure is simple, and the cost of the cooking appliance is reduced.
- the cooking appliance 100 may be a rice cooker, a rice cooker, an electric pressure cooker, or the like.
- the cooking appliance 100 includes a pot body 10, a lid body 20, a pressure relief device 30B, and a vacuum device 40B.
- the pot body 10 has a cooking chamber 11 that is open at the top, and a heating device is provided at the bottom of the pot body 10.
- the lid body 20 is mounted on the pot body 10, and the lid body 20 has a pressure relief hole 21.
- the pressure relief device 30B and the vacuum device 40B are disposed in the cover body 20, and the vacuum device 40B is a micro diaphragm pump, and the pressure relief device 30B includes a seal assembly 31B, a drive assembly 32B, and a valve body 33B.
- the valve body 33B has a passage 331B that extends up and down.
- the drive assembly 32B includes a lateral push rod 321B, an electromagnet 322B, a drive rod 323B, and a spring 324B.
- the spring 324B is sleeved on the outside of the driving rod 323B.
- the two ends of the spring 324B are respectively connected to the right end of the driving rod 323B and the electromagnet 322B.
- the right end of the driving rod 323B is further provided with a locking portion 3231B, and the left end of the lateral pushing rod 321B.
- the hook is formed such that the lateral push rod 321B is snap-connected to the drive rod 323B.
- a portion of the lateral push rod 321B forms a drive segment 3211B having a highest point and a lowest point.
- the seal assembly 31B includes a longitudinal push rod 312B, a seal member 313B, a seal member 314B, and an elastic member 315B, and the upper end of the longitudinal push rod 312B has a through hole 3121B.
- the lower end of the longitudinal push rod 312B is disposed in the passage 331B, and an elastic member 315B is disposed between the lower portion of the longitudinal push rod 312B and the blocking member 314B.
- the outer periphery of the sealing member 313B is interposed between the lower end of the valve body 33B and the cover body 20, and the middle portion of the sealing member 313B is engaged with the lower portion of the blocking member 314B, so that when the longitudinal push rod 312B moves downward, the elasticity can be made.
- the piece 315B is pressed, and the pusher blocking member 314B and the seal member 313B are moved downward together to seal the pressure relief hole 21.
- the pressure relief device 30B When it is desired to evacuate the cooking chamber 11, the pressure relief device 30B operates to effect sealing within the cooking chamber 11. Specifically, the control program controls the electromagnet 322B to be powered off, the driving rod 323B moves to the right under the elastic force of the spring 324B, drives the lateral push rod 321B to move to the right, the driving segment 3211B moves to the right, and the lowest point of the driving segment 3211B The lower portion of the hole 3121B is in contact, thereby rotating the laterally moving force into the longitudinal movement by the longitudinal push rod 312B. When the driving portion 3211B is moved to the right, the driving longitudinal push rod 312B is moved downward, thereby driving the sealing member 313B downward. Movement to seal the pressure relief hole 21 to achieve a seal within the cooking cavity 11. At this time, the vacuum device 40B can evacuate the cooking chamber 11 to form a negative pressure state in the cooking chamber 11.
- the control program controls the electromagnet 322B to be energized, the driving rod 323B moves to the left to drive the lateral push rod 321B to the left, the driving segment 3211B moves to the left, and the highest point and the through hole of the driving segment 3211B.
- the upper portion of the 3121B is in contact, so that the lateral movement force is rotated into the longitudinal direction by the longitudinal push rod 312B.
- the longitudinal push rod 312B moves upward to drive the sealing member 313B to move upward to open the pressure release hole 21
- the cooking chamber 11 is electrically connected to the outside to achieve pressure relief.
- the above working process is only a preferred solution.
- the driving rod 323B can also move to the right, and the sealing member 313B is moved downward to block the pressure releasing hole 21.
- the vacuum rice cooker of the related art has a pressure relief hole and a suction hole on the cover plate.
- the pressure release hole is sealed, and the air pressure in the cooking cavity is reduced to a negative pressure by the vacuum pump. status.
- the rice cooker is in the boiling stage of cooking, open the pressure relief hole.
- the pore diameter of the pressure relief hole is too small, the pressure relief noise is too large and the rice soup splashes out from the pressure relief hole, which affects the user experience; If the pore size of the pressure relief hole is too large, the vacuum adsorption force will be too large, which will inevitably increase the power requirement for the drive assembly, resulting in excessive component cost.
- the present application proposes a cooking appliance that is low in noise and low in cost.
- the cooking appliance 100 according to the present application will be described below with reference to FIGS. 7-11.
- a cooking appliance 100 includes a pot body 10, a lid body 20, a micro diaphragm pump 40C, and a pressure relief device 30C.
- the pot body 10 has a cooking chamber 11 open at the top, and the lid body 20 is mounted on the pot body 10, and the lid body 20 is movable between an open position and a closed position.
- the lid body 20 has an air suction port 22 and a pressure relief hole 21, and a miniature
- the diaphragm pump 40C is in communication with the suction port 22 so that a negative pressure can be formed in the cooking chamber 11, and the pressure relief device 30C is disposed in the cover body 20 for opening and sealing the pressure relief hole 21, and when the pressure relief device 30C is opened and released.
- air can be introduced into the cooking chamber 11 through the pressure releasing hole 21, or the steam in the cooking chamber 11 can be discharged out of the cooking chamber 11 through the pressure releasing hole 21.
- the front projection area of the pressure relief hole 21 on the bottom wall of the cooking chamber 11 is 20 mm 2 - 51 mm 2 .
- the orthographic projection area of the pressure relief hole 21 on the bottom wall of the cooking chamber 11 may be 20 mm 2 , 25 mm 2 or 50 mm 2 .
- the shape of the pressure relief hole 21 may be a circular shape, a square shape, or other irregular shape.
- the cooking appliance 100 of the present application by defining the area of the pressure relief hole 21 on the bottom wall of the cooking chamber 11 to satisfy the above conditions, the pressure relief noise can be minimized, and the rice soup can be prevented from overflowing while minimizing The adsorption force of the vacuum, thereby reducing the cost of the cooking appliance 100.
- the pressure relief hole 21 forms a circular hole, and the pressure relief hole 21 has a diameter of 5 mm to 8 mm.
- the diameter of the pressure relief hole 21 when the diameter of the pressure relief hole 21 is set to 5 mm, the water in the cooking chamber 11 is heated to boiling, and the air pressure in the cooking chamber 11 is 0.4 kPa. At this time, the pressure relief noise is small, and the overflow phenomenon is also very high. Good improvement; when the diameter of the pressure relief hole 21 is increased to 7 mm, it is determined that the relative pressure of the foodstuff in the cooking cavity 11 in the boiling state is almost close to the normal pressure; when the diameter of the pressure relief hole 21 is increased to 8 mm, it can be maximized. The adsorption force of the vacuum is reduced to the limit, thereby reducing the cost of the cooking appliance 100.
- the pressure relief device 30C includes a seal assembly 31C and a drive assembly 32C.
- the seal assembly 31C is movable in the longitudinal direction (up and down direction shown in FIG. 7) so that the pressure relief hole 21 can be opened and sealed, the drive assembly 32C is coupled to the seal assembly 31C, and the drive assembly 32C is used to drive the seal assembly 31C to move, thereby Open or seal the pressure relief hole 21.
- the pressure relief device 30C further includes a valve body 33C having a longitudinally extending passage 331C
- the seal assembly 31C includes a valve body 311C and a seal 313C.
- the valve body 311C is disposed in the valve body 31, the valve core 311C is movable along the length direction of the passage 331C, the seal member 313C is used to open and seal the pressure relief hole 21, and the outer circumference of the seal member 313C is sealingly connected to the bottom of the valve body 33C.
- the middle portion of the seal member 313C is connected to the valve body 311C, so that the middle portion of the seal member 313C can be moved with the spool 311C, thereby opening and closing the pressure relief hole 21.
- the outer periphery of the sealing member 313C has an annular groove recessed from the outside to the inside, and the cover body 20 has a hook 28 thereon, and the hook 28 is connected with the inner side of the annular groove to ensure a seal.
- the bottom of the valve body 33C is press-fitted to the seal member 313C, and the seal member 313C is pressed to sandwich the outer peripheral edge of the seal member 313C between the lid body 20 and the valve body 33C to prevent the seal member 313C from coming off.
- the spool 311C is formed in a column shape extending along the longitudinal direction of the passage 331C, one end of the spool 311C is coupled to the drive assembly 32C, and the other end of the spool 311C is provided with a snap portion 312C.
- the joint 312C is snap-connected to the seal 313C.
- the engaging portion 312C is formed at the lower end of the valve core 311C, and the engaging portion 312C is formed into a structure having a longitudinal section of an "I" shape.
- the middle portion of the sealing member 313C has an annular projection extending inwardly, and an annular projection. It can be snapped onto the engaging portion 312C, so that the sealing member 313C and the valve core 311C are snap-connected, so that the middle portion of the sealing member 313C moves up and down with the valve core 311C, and the sealing member 313C can be prevented from falling off.
- the sealing assembly 31C further includes a blocking member 314C, the blocking member 314C is movably disposed in the valve body 33C, and a pressure control is provided between the blocking member 314C and the valve body 311C.
- the spring 315C and the pressure-control spring 315C can buffer the movement of the blocking member 314C, and can avoid the problem of poor sealing caused by assembly errors, and avoid the jamming of the valve core 311C.
- the pressure control spring 315C in the valve body 33C when the pressure relief device 30C fails, the pressure in the cooking chamber 11 overcomes the elastic force of the pressure control spring 315C to open the pressure relief hole 21, thereby achieving pressure relief.
- the cooking appliance 100 functions as a safety protection to ensure the normal operation of the cooking appliance 100.
- the middle portion of the seal 313C is coupled to the blocking member 314C.
- the outer shape of the blocking member 314C is slightly smaller than the cross-sectional size of the passage 331C, so that the blocking member 314C can move inside the valve body 33C.
- the lower end of the blocking member 314C has an annular card slot, so that the cross section of the blocking member 314C forms a structure with a lower end, and the middle portion of the sealing member 313C has an annular protrusion extending inwardly, and the annular protrusion can be inserted.
- the sealing member 313C and the blocking member 314C are snap-connected to prevent the sealing member 313C from coming off.
- the driving assembly 32C includes an electromagnet 322C and a driving rod 321C.
- the driving rod 321C is driven in the up and down direction and driven by the electromagnet 322C, and the driving rod 321 is connected to the sealing assembly 31C, thereby driving the sealing assembly 31C to move up and down.
- the drive rod 321C is jacketed with a return spring 324C, and both ends of the return spring 324C are respectively connected to the end of the drive rod 321C and the electromagnet 322C.
- the return spring 324C can buffer the movement of the drive rod 321C.
- the drive rod 321C can be moved by the elastic force of the return spring 324C to overcome the vacuum suction in the cooking chamber 11.
- the cover body 20 includes an inner cover 201 and a cover plate 202, and the cover plate 202 is disposed on a side of the inner cover 201 facing the cooking chamber 11, wherein the air suction port 22 and the pressure release hole 21 are disposed on the cover On the board 202.
- the cover plate 202 further has a thermostat hole 27, so that the temperature detecting device passes the thermostat hole 27 to detect the temperature inside the cooking chamber 11 in real time, according to the cooking chamber 11
- the change in the internal temperature adjusts the working state in a timely manner to improve the performance of the cooking appliance 100.
- the temperature controller hole 27 and the air suction port 22 are symmetrically arranged on both sides of the pressure release hole 21, so that the difficulty of the manufacturing process can be reduced, thereby facilitating production.
- the inner cover 201 is further provided with a sealing ring 26, and the upper end of the sealing ring 26 is fixed on the inner cover 201, and the lower end of the sealing ring 26 is connected to the cover plate 202.
- a pressure relief chamber 61 is defined between the inner cover 201, the cover plate 202 and the sealing ring 26, and the pressure relief chamber 61 communicates with the pressure relief hole 21.
- the inner cover 201 is further provided with a steam valve 62.
- the steam valve 62 is electrically connected to the pressure relief chamber 61. The steam is discharged into the pressure relief chamber 61 through the pressure relief hole 21, and can be discharged through the steam valve 62. Go to the outside world.
- the cooking appliance 100 may be a rice cooker, a rice cooker, an electric pressure cooker, or the like.
- the cooking appliance 100 includes a pot body 10, a lid body 20, a micro diaphragm pump 40C, and a pressure relief device 30C.
- the pot body 10 has a cooking chamber 11 open at the top, and the lid body 20 is mounted on the pot body 10.
- the lid body 20 includes an inner lid 201 and a lid plate 202.
- the lid plate 202 has an air suction port 22, a pressure relief hole 21 and a thermostat. Hole 27.
- the pressure relief device 30C includes a seal assembly 31C, a drive assembly 32C, and a valve body 33C.
- the valve body 33C has a longitudinally extending passage 331C.
- the seal assembly 31C includes a valve core 311C, a seal member 313C, a seal member 314C, and a pressure control spring. 315C.
- the upper end of the blocking member 314C is connected to the valve body 311C, and the pressure-control spring 315C is disposed between the blocking member 314C and the valve body 311C.
- the lower end of the blocking member 314C has an annular card slot, and the middle portion of the sealing member 313C has an annular protrusion extending inwardly, and the sealing member 313C is inserted into the annular card slot at the lower end of the blocking member 314C.
- the drive assembly 32C includes an electromagnet 322C and a drive rod 321C, and the electromagnet 321 is fixed to the inner cover 201 by screws.
- the drive rod 321C is jacketed with a return spring 324C, and both ends of the return spring 324C are respectively connected to the end of the drive rod 321C and the electromagnet 322C.
- the micro diaphragm pump 40C communicates with the suction port 22 so that a negative pressure can be formed in the cooking chamber 11.
- the pressure relief hole 21 forms a circular hole
- the pressure relief hole 21 has a diameter of 5 mm to 8 mm
- the orthographic projection area of the pressure relief hole 21 on the bottom wall of the cooking chamber 11 is 20 mm 2 - 50 mm 2 .
- the water in the cooking chamber 11 is heated to a boiling state, the amount of generated steam is continuously increased, and the pressure is also increased.
- the high-pressure gas is discharged from the pressure relief hole 21, when When the high pressure gas passes through the pressure relief hole 21 having a small cross-sectional area, the gas flow rate is large, and the generated noise is large, and the water vapor mixture is also splashed out through the pressure relief hole 21.
- P is the gas pressure
- S is the projection of the pressure relief hole.
- the area can be known.
- the vacuum rice cooker usually installs a vacuum pump on the lid body, and the vacuum pump is used to evacuate the inside of the cooking utensil to achieve a negative pressure state, thereby improving the rice cooking effect.
- the vacuum pump is installed at the front end of the cover body so as to be located near the control panel, the gravity of the vacuum pump greatly increases the torque when the upper cover is opened, causing the vacuum pump to loosen and fall off.
- the present application proposes a cooking appliance that has good stability of the vacuum pump when the lid is opened.
- a cooking appliance 100 includes a pot body 10, a lid body 20, and a vacuum pump 40D.
- the pot body 10 has a cooking chamber 11 open at the top, and the lid body 20 is pivotally connected to the pot body 10 via a pivot shaft 203, and the lid body 20 is movable between an open position and a closed position, and the lid body 20 has an air suction port. 22.
- the air outlet 24 and the steam passage 25, the air outlet 22, the air outlet 24, and the steam passage 25 are all in communication with the cooking chamber 11.
- the vacuum pump 40D is disposed in the cover body 20, and the vacuum pump 40D is in communication with the suction port 22 and the air outlet port 24, respectively, so that a negative pressure can be formed in the cooking chamber 11, wherein the vacuum pump 40D is located between the pivot shaft 203 and the steam passage 25.
- a steam valve (not shown) is provided at the steam passage 25, and the internal pressure of the cooking appliance 100 can be adjusted by the steam valve to realize steam discharge.
- the vacuum pump 40D by disposing the vacuum pump 40D between the pivot shaft 203 and the steam passage 25, it is helpful to reduce the rotational torque of the vacuum pump 40D, thereby reducing the rotational torque when the cover 20 is opened, and at the same time improving The stability of the vacuum pump 40D when the cover 20 is opened can effectively prevent the cover from jumping.
- the steam passage 25 is disposed at a position adjacent to the pivot shaft 203, and the vacuum pump 40D is disposed adjacent to the steam passage 25, so that when the cover is opened, the rotational torque of the vacuum pump 40D can be reduced while preventing the cover from jumping pot.
- the vacuum pump 40D can also be disposed at a position adjacent to the pivot shaft 203, so that the rotational torque of the vacuum pump 40D can be further reduced, making it easier to open the cover.
- the suction port 22 is disposed in the middle of the cover body 20, thus ensuring the suction port 22 in the cross section of the cooking cavity 11.
- the orthographic projection is located in the middle so that the pumping of the vacuum pump 40D is uniform.
- the air outlet 24 is disposed adjacent to the pivot shaft 203 and the outer circumference of the cover 30.
- the top of the pot body 10 is provided with a sump (not shown) near the pivot axis 203, and the orthographic projection of the air outlet 24 at the top of the pot 10 is located in the sump by setting the air outlet 24 Adjacent to the outer peripheral edge of the pivot shaft 203 and the cover body 30, it is convenient to discharge the steam extracted by the vacuum pump 40D to the outside of the cooking chamber 11, and it is advantageous for collecting the condensed water formed by the condensation of the steam in the sump, and at the same time preventing the condensed water after the opening of the cover. It flows into the cooking chamber 11.
- the vacuum pump 40D is fixed in the cover body 20 by the mounting bracket 71.
- the mounting bracket 71 By mounting the vacuum pump 40D on the mounting bracket 71, the contact between the vacuum pump 40D and the cover body 20 is avoided, and the vacuum pump 40D can be reduced in operation. The noise can also improve stability.
- the mounting bracket 71 includes at least two support posts 711 and a support plate 712. At least two support columns 711 are oppositely disposed, a support plate 712 is disposed at the top of at least two support columns 711, and a support plate 712 is fixedly coupled to each of the support columns 711, and a vacuum pump 40D is mounted on the support plate 712.
- the support plate 712 may be made of an elastic material.
- the support plate 712 may be a rubber plate, and the vacuum pump 40D is mounted on the support plate 712 made of an elastic material by using the support plate 712 of an elastic material. It can not only reduce the working noise of the vacuum pump 40D, but also avoid buffering the vacuum pump 40D when opening and closing the cover, further reducing noise.
- the support post 711 can also be constructed of a resilient material to further reduce the noise of the vacuum pump 40D during operation.
- At least two support columns 711 are arranged at a normal spacing perpendicular to the axis of the pivot axis 203 such that when the cover 20 is opened, at least two support columns 711 are coupled along the two support columns 711 The rotation of the line in the vertical direction reduces the moving distance of the vacuum pump 40D, thereby improving the stability of the vacuum pump 40D during the opening process.
- At least a portion of the side surface of the support plate 712 facing the vacuum pump 40D forms a curved surface that matches the outer shape of the vacuum pump 40D, so that the vacuum pump 40D can be easily mounted on the support plate 712, further improving the vacuum pump. 40D stability during the opening process.
- the vacuum pump 40D has a vacuum pump inlet 401 and a vacuum pump outlet 402.
- the vacuum pump inlet 401 communicates with the suction port 22 through a connecting pipe 403, and the vacuum pump outlet 402 passes through the connecting pipe 22 and the air outlet 24 Connected.
- the connecting pipe 22 may be a rubber pipe, thereby effectively reducing the noise generated when the airflow flows.
- the cooking appliance 100 includes a pressure relief device for a cooking appliance according to the above embodiments.
- the driving assembly drives the sealing assembly to move, the opening and closing of the pressure relief hole is realized, the structure is simple, and the cost of the cooking appliance is reduced.
- a cooking appliance 100 in accordance with an embodiment of the present application may be a rice cooker, an electric pressure cooker or an electric cooker or the like.
- the cooking appliance 100 includes a pot body 10, a lid body 20, a vacuum pump 40D, a mounting bracket 71, and a control panel 72.
- the pot body 10 has a cooking chamber 11 open at the top, and a sump is provided at a position of the top of the pot body 10 near the pivot shaft 203.
- the cover body 20 is pivotally connected to the pot body 10 via a pivot shaft 203 having an air suction port 22, an air outlet port 24 and a steam passage 25, and the orthographic projection of the air outlet port 24 at the top of the pot body 10 is located at the sump
- a steam valve is provided at the steam passage 25, and the mounting bracket 71 is mounted in the cover body 20.
- the control panel 72 is disposed at an upper portion of the cover body 20 and away from the pivot shaft 203.
- the mounting bracket 71 includes two support columns 711 and a support plate 712.
- the support plate 712 is fixed on the support column 711.
- the support plate 712 is a rubber plate.
- the upper surface of the support plate 712 forms a curved surface, and the vacuum pump 40D is mounted on the support plate. 712.
- the vacuum pump 40D has a vacuum pump inlet 401 and a vacuum pump outlet 402.
- the vacuum pump inlet 401 communicates with the suction port 22 through a connecting pipe 403, and the vacuum pump outlet 402 communicates with the air outlet 24 through the connecting pipe 22.
- the gas in the cooking chamber 11 is withdrawn through the air suction port 22, and is discharged through the air outlet 24, thereby forming a negative pressure in the cooking chamber 11, prompting the tiny bubbles inside the cooking chamber 11 to quickly come out, and letting Water is more likely to enter the interior of the rice to achieve rapid water absorption.
- the steam passage 25 is disposed at a position adjacent to the pivot shaft 203
- the vacuum pump 40D is disposed between the pivot shaft 203 and the steam passage 25 and adjacent to the pivot shaft 203.
- the suction port of the vacuum pump needs to be provided with an anti-blocking cover to prevent rice grains and the like from blocking the suction port.
- the anti-blocking cover usually adopts a porous plastic part.
- the anti-blocking cover of the plastic part is difficult to be installed, easy to install and disassemble, difficult to clean, etc. when installed with the movable cover, and is prone to anti-blocking after long-term use.
- the hole of the cover becomes small, resulting in a vacuum that is not smooth and a large noise.
- the present application proposes a cooking appliance that has a good anti-blocking effect and a smooth air pumping.
- the cooking appliance 100 according to the present application will be described below with reference to FIGS. 15-19.
- a cooking appliance 100 includes a pot body 10, a lid body 20, an air extracting device 40E, and a blocking member 81.
- the pot body 10 has a cooking chamber 11 with an open top.
- the lid body 20 is mounted on the pot body 10.
- the lid body 20 is movable between an open position and a closed position.
- the lid body 20 has a suction port 22, and the suction device 40E and the pumping device 40E
- the gas ports 22 are in communication, and when the air suction device 40E is evacuated, a negative pressure can be formed in the cooking chamber 11.
- the anti-blocking member 81 is disposed at the air suction port 22, and when the air extracting device 40E is in operation, at least one air flow channel is defined between the anti-blocking member 81 and the cover body 20, the air flow channel and the cooking cavity 11 and the air suction port The 22 phases are connected, and the cross-sectional area S1 of each airflow passage is less than or equal to 4 mm 2 .
- the air extracting device 40E can define an air flow passage with the anti-blocking member 81 during operation, and define a cross-sectional area of the airflow passage, thereby effectively preventing the rice grain and the like from being large.
- the granular food material blocks the air suction port 22, and the anti-blocking function is realized to ensure smooth air pumping, thereby improving the user experience of the cooking appliance 100.
- the anti-blocking member 81 is a flexible member, and the anti-blocking member 81 is snapped at the air suction port 22.
- a flexible anti-blocking member 81 its soft characteristics are utilized to facilitate its deformation so that it can be easily installed or removed.
- one end of the anti-blocking member 81 may have an annular hook slightly larger than the aperture of the air suction port 22, and the annular hook is snap-connected with the air suction port 22 to fix the anti-blocking member 81 on the cover body 20.
- the cover 20 includes an inner cover 201 and a cover 202, and the cover 202 is coupled to the side of the inner cover 201 facing the cooking chamber 11, that is, the cover 202 is located at the inner cover 201.
- the underside is shown in FIGS. 16 and 17, in some examples, the cover 20 includes an inner cover 201 and a cover 202, and the cover 202 is coupled to the side of the inner cover 201 facing the cooking chamber 11, that is, the cover 202 is located at the inner cover 201.
- the underside is shown in FIGS. 16 and 17, in some examples, the cover 20 includes an inner cover 201 and a cover 202, and the cover 202 is coupled to the side of the inner cover 201 facing the cooking chamber 11, that is, the cover 202 is located at the inner cover 201.
- the underside is shown in FIGS. 16 and 17, in some examples, the cover 20 includes an inner cover 201 and a cover 202, and the cover 202 is coupled to the side of the inner cover 201 facing the cooking chamber 11, that is, the
- the anti-blocking member 81 includes a fixing portion 811 and an anti-blocking portion 812.
- the fixing portion 811 is located on the upper side of the cover plate 202, and at least a part of the cross-sectional area of the fixing portion 811 is larger than the cross-sectional area of the air suction port 22, so that the fixing portion 811 can be engaged with the cover plate 202, the anti-blocking portion 812 and the fixing portion.
- the 811 is connected, the anti-blocking portion 812 is located on the lower side of the cover plate 202, and the anti-blocking portion 812 has at least one groove 813 facing the side of the cover plate 202.
- the air flow passage can be defined, and the cross-sectional area of the groove 813 is S1, and S1 is less than or equal to 4 mm 2 , so that the large-grain food such as rice grains can be effectively blocked from blocking the groove 813.
- the anti-blocking portion 812 includes a plurality of grooves 813 distributed along the circumferential direction of the fixing portion 811 to form a plurality of spaced-apart air flow channels. Thereby, the gas can be introduced into the suction port 22 from a plurality of directions, thereby improving the pumping efficiency.
- the total cross-sectional area S2 of the plurality of grooves 813 is greater than or equal to 7 mm 2 , so that the working efficiency of the air extracting device 40E can be effectively ensured, and problems such as poor pumping and high noise are avoided.
- the groove 813 may be formed in a square shape.
- the cross section of the groove 813 may also be formed in a circular shape or a V shape or the like to facilitate molding and processing of the groove 813.
- the junction of the fixing portion 811 and the anti-blocking portion 812 has an annular groove 814 for escaping the suction port 22, the groove 813 and the annular groove 814.
- the gas is communicated such that the gas in the cooking chamber 11 communicates with the annular groove 814 through the recess 813.
- the air extracting device 40E When the air extracting device 40E is in operation, the gas can smoothly communicate with the air extracting device 40E through the air extracting port 22.
- the fixing portion 811 is formed in a truncated cone shape so that the fixing portion 811 can be attached to the upper side of the cover plate 202, and a part of the fixing portion 811 forms an inclined guide surface for facilitating the cover plate 202.
- the card is fixedly fixed to prevent the anti-blocking member 81 from coming off.
- the lower side of the circular portion of the fixing portion 811 can be connected to the upper side of the cover plate 202, and a sealed cavity can be formed in the cooking chamber 11.
- the fixing portion 811 may also be formed in a conical shape to facilitate snap-fit connection with the cover plate 202 to prevent the blocking member 81 from falling off; at the same time, the cooking cavity 11 may be sealed.
- the inner cover 201 is provided with a connection joint 82 having a connection passage 821 that is electrically connected to the suction port 22, and the suction device 40E is in communication with the connection passage 821.
- a sealing ring 60 is further disposed between the inner cover 201 and the cover plate 202. The upper end of the sealing ring 60 is hung on the inner cover 201 and is located between the connecting joint 82 and the inner cover 201, and the connecting joint 82 can seal the sealing ring 60. Further pressing on the inner cover 201 improves the sealing between the seal ring 60 and the inner cover 201 and the joint 82.
- the lower end of the sealing ring 60 is abutted against the cover plate 202, thereby forming a sealed cavity between the cover plate 202 and the inner cover 201.
- the air suction port 22 and the connecting passage 821 are disposed in the cavity, so that the air extracting device 40E passes.
- the suction port 22 and the connecting passage 821 pump the inside of the cooking chamber 11, and the sealing property is good during the pumping process.
- the air extracting device 40E is a vacuum pump, which has a simple structure and is convenient to install.
- the cooking appliance 100 includes a pressure relief device for a cooking appliance according to the above embodiments.
- the driving assembly drives the sealing assembly to move, the opening and closing of the pressure relief hole is realized, the structure is simple, and the cost of the cooking appliance is reduced.
- the cooking appliance 100 may be a rice cooker, an electric pressure cooker, an electric cooker, or the like.
- the cooking appliance 100 includes a pot body 10, a lid body 20, a vacuum pump, and a blocking member 81.
- the pot body 10 has a cooking chamber 11 that is open at the top
- the lid body 20 includes an inner lid 201 and a lid plate 202, and the lid plate 202 is located on the lower side of the inner lid 201.
- the cover plate 202 has an air suction port 22, and the inner cover 201 is provided with a connection joint 82.
- the connection joint 82 has a connection passage 821, and the connection passage 821 is electrically connected to the air suction port 22.
- a sealing ring 60 is disposed between the inner cover 201 and the cover plate 202.
- the upper end of the sealing ring 60 is fixed to the inner cover 201, and the lower end is connected to the cover plate 202.
- the vacuum pump is fixed to the inner cover 201 via a joint 82, and the air inlet of the vacuum pump is electrically connected to the connecting passage 821.
- the anti-blocking member 81 is fastened to the air suction port 22, and the anti-blocking member 81 is a flexible member.
- the anti-blocking member 81 includes a fixing portion 811 and an anti-blocking portion 812.
- a portion of the fixing portion 811 is formed in a truncated cone shape, and the upper side of the anti-blocking portion 812 has four grooves 813 and an annular groove 814 extending in the circumferential direction of the anti-blocking portion 812, and the annular groove 814 is disposed in the groove
- the middle of the 813 is located at the junction of the fixing portion 811 and the anti-blocking portion 812 for avoiding the air suction port 22, and the groove 813 is electrically connected to the annular groove 814.
- the cross-sectional area of the groove 813 is S1, and S1 is less than or equal to 4 mm 2 .
- the total cross-sectional area S2 of the four grooves 813 is greater than or equal to 7 mm 2 .
- the anti-blocking member 81 moves upward under the pressure difference between the cover body 20 and the cooking chamber 11, and the gas in the cooking chamber 11 enters the air suction port through the air flow passage formed between the recess 813 and the cover body 20. 22, thereby being electrically connected to the intake port of the vacuum pump through the connecting passage 821, and the vacuum pump evacuates the inside of the cooking chamber 11 to form a negative pressure in the cooking chamber 11.
- the vacuum pump stops working, and the anti-blocking member 81 moves downward under the pressure difference between the cover body 20 and the cooking chamber 11, and a part of the fixing portion 811 will be the suction port 22
- the plug is closed so that a sealed cavity is formed in the cooking chamber 11, and the cooking chamber 11 can be maintained in a negative pressure state.
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Abstract
Description
Claims (35)
- 一种用于烹饪器具的泄压装置,其特征在于,所述烹饪器具具有泄压孔,所述泄压装置包括:密封组件,所述密封组件沿纵向可移动或所述密封组件包括沿纵向可移动的封堵件,用于打开和封堵所述泄压孔;驱动组件,所述驱动组件与所述密封组件连接,用于驱动所述密封组件打开或封堵所述泄压孔。
- 根据权利要求1所述的用于烹饪器具的泄压装置,其特征在于,所述烹饪器具的盖体具有所述泄压孔和位于所述泄压孔正上方的安装口,所述密封组件包括沿纵向可移动的封堵件和设在所述安装口处的密封件,所述密封件的中部与所述封堵件连接以随所述封堵件移动,所述密封件的外周缘密封连接在所述安装口处,所述驱动组件与所述密封组件的封堵件连接,用于驱动所述密封组件的封堵件移动。
- 根据权利要求2所述的用于烹饪器具的泄压装置,其特征在于,所述密封件包括:活动部,所述活动部与所述封堵件连接以随所述封堵件移动;固定部,所述固定部与所述活动部连接且形成沿所述活动部的周向延伸的环形,所述固定部密封连接在所述安装口处。
- 根据权利要求3所述的用于烹饪器具的泄压装置,其特征在于,所述封堵件形成沿所述纵向延伸的柱状,所述封堵件的下端与所述活动部卡接相连。
- 根据权利要求4所述的用于烹饪器具的泄压装置,其特征在于,所述封堵件的下端侧周壁具有沿其周向延伸的环形槽以在所述封堵件的下端形成卡头,所述活动部的中部具有与所述卡头卡接的卡槽。
- 根据权利要求3或4所述的用于烹饪器具的泄压装置,其特征在于,所述安装口由设在所述泄压孔正上方的环形支撑筋限定出,所述固定部具有开口朝向所述环形支撑筋的环形密封槽,所述环形支撑筋与所述环形密封槽卡接相连,所述密封组件还包括:压紧件,所述压紧件适于可拆卸地设在所述安装口处以将所述固定部的外周缘压设在所述环形支撑筋的上表面,所述环形支撑筋的上表面设有限位凸起以增大所述环形支撑筋与所述密封件之间的摩擦力。
- 根据权利要求3所述的用于烹饪器具的泄压装置,其特征在于,所述活动部由柔性材料制成,所述固定部由柔性材料或硬性材料制成,所述密封件为一体成型件。
- 根据权利要求2-7中任一项所述的用于烹饪器具的泄压装置,其特征在于,所述驱动组件还包括:电磁铁和由所述电磁铁驱动的电磁铁推杆,所述电磁铁推杆与所述封堵件连接,用于推动所述封堵件移动,所述电磁铁推杆的端部具有止抵部,所述驱动组件还包括复位弹性件,所述复位弹性件的两端分别与所述止抵部和所述电磁铁止抵连接,所述电磁铁推杆与所述封堵件之间连有控压弹性件。
- 根据权利要求1所述的用于烹饪器具的泄压装置,其特征在于,所述烹饪器具具有 烹饪腔和与所述烹饪腔导通的所述泄压孔,所述密封组件沿纵向可移动,用于打开和封堵所述泄压孔,所述驱动组件具有沿横向可移动的横向推杆,所述横向推杆与所述密封组件连接以在所述横向推杆沿所述横向移动时驱动所述密封组件沿所述纵向移动。
- 根据权利要求9所述的用于烹饪器具的泄压装置,其特征在于,所述横向推杆的至少一部分形成具有最高点和最低点的驱动段,所述密封组件具有沿所述横向延伸的通孔,所述横向推杆穿过所述通孔且在所述驱动段与所述通孔配合时驱动所述密封组件移动。
- 根据权利要求10所述的用于烹饪器具的泄压装置,其特征在于,所述驱动段形成相对于所述横向倾斜延伸的倾斜杆段,其中,所述驱动段沿所述横向从内向外逐渐向下倾斜延伸,所述最高点和所述最低点分别形成在所述驱动段的两端。
- 根据权利要求10所述的用于烹饪器具的泄压装置,其特征在于,所述通孔内壁面的纵截面形成中部向所述通孔的中心弯曲的弧形。
- 根据权利要求10所述的用于烹饪器具的泄压装置,其特征在于,所述泄压装置还包括:阀体,所述阀体具有沿所述纵向延伸的通道,所述密封组件包括:纵向推杆,所述纵向推杆沿所述通道的长度方向移动,所述纵向推杆的顶端设有所述通孔;用于打开和封堵所述泄压孔的密封件,所述密封件的外周缘连接在所述阀体的底部,所述密封件的中部与所述纵向推杆连接以随所述纵向推杆移动。
- 根据权利要求13所述的用于烹饪器具的泄压装置,其特征在于,所述密封组件还包括:封堵件,所述封堵件设在所述阀体内且所述封堵件与所述纵向推杆之间设有弹性件,所述密封件的中部与所述封堵件连接,其中,所述封堵件的外形尺寸略小于所述通道的横截面尺寸,且所述封堵件与所述密封件的中部卡接相连。
- 根据权利要求10-14中任一项所述的用于烹饪器具的泄压装置,其特征在于,所述驱动组件为电磁铁组件且包括电磁铁和由所述电磁铁驱动的驱动杆,所述驱动杆外套有弹簧,且所述弹簧的两端分别与所述驱动杆的自由端和所述电磁铁止抵连接,其中,所述驱动杆的自由端设有卡接部,所述横向推杆的一端与所述卡接部卡接相连。
- 一种烹饪器具,其特征在于,包括根据权利要求1-15中任一项所述的用于烹饪器具的泄压装置。
- 根据权利要求16所述的烹饪器具,其特征在于,还包括:锅体,所述锅体具有顶部敞开的烹饪腔;盖体,所述盖体在打开位置和关闭位置之间可活动地安装至所述锅体,所述泄压孔设于所述盖体,所述泄压装置设于所述盖体内。
- 根据权利要求17所述的烹饪器具,其特征在于,所述盖体具有抽气口,所述烹饪 器具还包括:真空装置,所述真空装置与所述抽气口连通以将所述烹饪器具的烹饪腔内形成负压。
- 一种烹饪器具,其特征在于,包括:锅体,所述锅体具有顶部敞开的烹饪腔;盖体,所述盖体在打开位置和关闭位置之间可活动地安装至所述锅体,所述盖体具有抽气口和泄压孔;微型隔膜泵,所述微型隔膜泵与所述抽气口连通以将所述烹饪腔内形成负压;用于打开和封堵所述泄压孔的泄压装置,所述泄压装置设于所述盖体内以在打开所述泄压孔时、使空气通过所述泄压孔进入所述烹饪腔内或使蒸汽通过所述泄压孔排出所述烹饪腔外,其中所述泄压孔在所述烹饪腔底壁上的正投影面积为20mm 2-51mm 2。
- 根据权利要求19所述的烹饪器具,其特征在于,所述泄压孔形成圆孔,且所述泄压孔的直径为5mm-8mm。
- 根据权利要求19所述的烹饪器具,其特征在于,所述泄压装置包括:密封组件,所述密封组件沿纵向可移动,用于打开和封堵所述泄压孔;驱动组件,所述驱动组件与所述密封组件连接,用于驱动所述密封组件移动以封堵所述泄压孔。
- 根据权利要求21所述的烹饪器具,其特征在于,所述泄压装置还包括:阀体,所述阀体具有沿所述纵向延伸的通道,所述密封组件包括:阀芯,所述阀芯设在所述阀体内且沿所述通道的长度方向可移动;用于打开和封堵所述泄压孔的密封件,所述密封件的外周缘连接在所述阀体的底部,所述密封件的中部与所述阀芯连接以随所述阀芯移动,其中,所述阀芯形成沿所述通道的长度方向延伸的柱状,且所述阀芯的一端与所述驱动组件连接,所述阀芯的另一端设有与所述密封件卡接相连的卡接部;和/或,所述密封组件还包括:封堵件,所述封堵件可移动地设在所述阀体内且所述封堵件与所述阀芯之间设有控压弹簧,所述密封件的中部与所述封堵件连接。
- 根据权利要求21或22所述的烹饪器具,其特征在于,所述驱动组件包括电磁铁和由所述电磁铁驱动的驱动杆,所述驱动杆与所述密封组件连接,所述驱动杆外套有复位弹簧,且所述复位弹簧的两端分别与所述驱动杆的端部和所述电磁铁止抵连接。
- 根据权利要求23所述的烹饪器具,其特征在于,所述盖体包括内盖和设在所述内盖的朝向所述烹饪腔一侧的盖板,所述抽气口和所述泄压孔设在所述盖板上,其中,所述内盖朝向所述盖板的一侧设有与所述盖板止抵连接的密封圈,所述内盖、所述盖板和所述密封圈之间限定出与所述泄压孔连通的泄压腔,所述内盖还设有蒸汽阀,所述蒸汽阀与所述泄压腔导通。
- 一种烹饪器具,其特征在于,包括:锅体,所述锅体具有顶部敞开的烹饪腔;盖体,所述盖体通过枢转轴在打开位置和关闭位置之间可枢转地连接至所述锅体,所述盖体具有与所述烹饪腔连通的抽气口、出气口和蒸汽通道;真空泵,所述真空泵设在所述盖体内且分别与所述抽气口和所述出气口连通以将所述烹饪腔内形成负压,所述真空泵位于所述枢转轴与所述蒸汽通道之间。
- 根据权利要求25所述的烹饪器具,其特征在于,所述蒸汽通道邻近所述枢转轴设置,所述真空泵邻近所述枢转轴或所述蒸汽通道设置。
- 根据权利要求25所述的烹饪器具,其特征在于,在垂直于所述枢转轴的轴线的法向上、所述抽气口设在所述盖体的中部。
- 根据权利要求25所述的烹饪器具,其特征在于,所述出气口邻近所述枢转轴和所述盖体的外周缘设置。
- 根据权利要求25所述的烹饪器具,其特征在于,所述真空泵通过安装支架固定于所述盖体内,其中,所述安装支架包括:至少两个相对布置的支撑柱和支撑板,所述支撑板设在至少两个所述支撑柱的顶部且与每个所述支撑柱连接,所述真空泵安装于所述支撑板上,至少两个所述支撑柱沿垂直于所述枢转轴的轴线的法向间隔布置;和/或,所述支撑板的朝向所述真空泵的一侧表面的至少一部分形成与所述真空泵的外形相适配的弧面。
- 根据权利要求25所述的烹饪器具,其特征在于,所述真空泵具有真空泵进口和真空泵出口,所述真空泵进口通过连接管与所述抽气口连通,所述真空泵出口通过连接管与所述出气口连通。
- 根据权利要求25所述的烹饪器具,其特征在于,包括根据权利要求1-15中任一项所述的用于烹饪器具的泄压装置。
- 一种烹饪器具,其特征在于,包括:锅体,所述锅体具有顶部敞开的烹饪腔;盖体,所述盖体在打开位置和关闭位置之间可活动地安装至所述锅体,所述盖体具有抽气口;抽气装置,所述抽气装置与所述抽气口连通以将所述烹饪腔内形成负压;防堵件,所述防堵件设在所述抽气口处且所述防堵件在所述抽气装置工作时、与所述盖体之间限定出至少一个与所述烹饪腔和所述抽气口连通的气流通道,每个所述气流通道的横截面面积S1小于等于4mm 2。
- 根据权利要求32所述的烹饪器具,其特征在于,所述防堵件为柔性件,且所述防堵件卡接在所述抽气口处;和/或,所述抽气装置为真空泵。
- 根据权利要求32所述的烹饪器具,其特征在于,所述盖体包括内盖和连接在所述内盖的朝向所述烹饪腔一侧的盖板,所述防堵件包括:固定部,所述固定部的至少一部分横截面面积大于所述抽气口的横截面面积且位于所述盖板的朝向所述内盖的一侧;防堵部,所述防堵部与所述固定部连接且位于所述盖板的背向所述内盖的一侧,所述防堵部朝向所述盖板的一侧具有至少一个凹槽以在所述抽气装置工作时与所述盖板限定出所述气流通道,所述凹槽的横截面面积为所述S1,其中,所述凹槽包括多个,且多个所述凹槽沿所述固定部的周向间隔分布,多个所述凹槽的横截面面积总和S2大于等于7mm 2;和/或,所述凹槽形成为方形、圆形、V形;和/或,所述固定部与所述防堵部的连接处具有用于避让所述抽气口的环形凹槽,所述凹槽连通至所述环形凹槽;和/或,所述固定部的至少一部分形成圆台状或圆锥状。
- 根据权利要求34所述的烹饪器具,其特征在于,还包括:设在所述内盖的连接接头,所述连接接头具有与所述抽气口导通的连接通道,所述抽气装置连通至所述连接通道。
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112167971A (zh) * | 2019-11-15 | 2021-01-05 | 九阳股份有限公司 | 一种压力烹饪器具 |
CN112294106A (zh) * | 2019-07-26 | 2021-02-02 | 浙江绍兴苏泊尔生活电器有限公司 | 上盖组件以及烹饪器具 |
US11134808B2 (en) | 2020-03-30 | 2021-10-05 | Sharkninja Operating Llc | Cooking device and components thereof |
CN113974415A (zh) * | 2021-06-03 | 2022-01-28 | 添可智能科技有限公司 | 烹饪设备 |
US11627834B2 (en) | 2017-08-09 | 2023-04-18 | Sharkninja Operating Llc | Cooking system for cooking food |
US11751710B2 (en) | 2019-02-25 | 2023-09-12 | Sharkninja Operating Llc | Guard for cooking system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005057063A1 (es) * | 2003-12-15 | 2005-06-23 | Fagor, S.Coop. | Valvula de regulación en una olla a presión |
CN102961040A (zh) * | 2012-12-07 | 2013-03-13 | 董宜周 | 一种电压力锅 |
CN206197745U (zh) * | 2016-08-19 | 2017-05-31 | 佛山市顺德区美的电热电器制造有限公司 | 电烹饪装置 |
CN206365751U (zh) * | 2016-08-31 | 2017-08-01 | 浙江绍兴苏泊尔生活电器有限公司 | 电压力锅 |
CN206761416U (zh) * | 2016-12-30 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 烹饪器具 |
CN206761398U (zh) * | 2016-12-31 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 烹饪器具 |
CN206761390U (zh) * | 2016-12-31 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 食物制备器具 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0527459U (ja) * | 1991-09-19 | 1993-04-09 | 伊藤工機株式会社 | 流量比例制御弁 |
JP5396704B2 (ja) | 2007-03-22 | 2014-01-22 | 日産自動車株式会社 | 燃料電池用バルブ及びこれを用いた燃料電池システム |
KR20100067167A (ko) * | 2008-12-11 | 2010-06-21 | 주식회사 리홈 | 전기 보온압력밥솥의 이상 압력 배출장치 |
JP5071891B2 (ja) * | 2009-04-28 | 2012-11-14 | 東芝ホームテクノ株式会社 | 炊飯器 |
JP5809451B2 (ja) | 2011-06-06 | 2015-11-10 | タイガー魔法瓶株式会社 | 圧力式炊飯器 |
KR101175926B1 (ko) | 2012-04-24 | 2012-08-22 | 파카코리아 주식회사 | 상시개방형 증기배출밸브 |
JP6289414B2 (ja) | 2015-05-12 | 2018-03-07 | 象印マホービン株式会社 | 調理器 |
JP6681723B2 (ja) | 2016-01-25 | 2020-04-15 | 旭有機材株式会社 | バルブ装置 |
-
2018
- 2018-06-05 KR KR1020207019994A patent/KR102384673B1/ko active IP Right Grant
- 2018-06-05 JP JP2020536661A patent/JP7153730B2/ja active Active
- 2018-06-05 WO PCT/CN2018/089951 patent/WO2019128111A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005057063A1 (es) * | 2003-12-15 | 2005-06-23 | Fagor, S.Coop. | Valvula de regulación en una olla a presión |
CN102961040A (zh) * | 2012-12-07 | 2013-03-13 | 董宜周 | 一种电压力锅 |
CN206197745U (zh) * | 2016-08-19 | 2017-05-31 | 佛山市顺德区美的电热电器制造有限公司 | 电烹饪装置 |
CN206365751U (zh) * | 2016-08-31 | 2017-08-01 | 浙江绍兴苏泊尔生活电器有限公司 | 电压力锅 |
CN206761416U (zh) * | 2016-12-30 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 烹饪器具 |
CN206761398U (zh) * | 2016-12-31 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 烹饪器具 |
CN206761390U (zh) * | 2016-12-31 | 2017-12-19 | 浙江绍兴苏泊尔生活电器有限公司 | 食物制备器具 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11627834B2 (en) | 2017-08-09 | 2023-04-18 | Sharkninja Operating Llc | Cooking system for cooking food |
US11751710B2 (en) | 2019-02-25 | 2023-09-12 | Sharkninja Operating Llc | Guard for cooking system |
CN112294106A (zh) * | 2019-07-26 | 2021-02-02 | 浙江绍兴苏泊尔生活电器有限公司 | 上盖组件以及烹饪器具 |
CN112167971A (zh) * | 2019-11-15 | 2021-01-05 | 九阳股份有限公司 | 一种压力烹饪器具 |
CN112167971B (zh) * | 2019-11-15 | 2024-06-07 | 九阳股份有限公司 | 一种压力烹饪器具 |
US11134808B2 (en) | 2020-03-30 | 2021-10-05 | Sharkninja Operating Llc | Cooking device and components thereof |
US11647861B2 (en) | 2020-03-30 | 2023-05-16 | Sharkninja Operating Llc | Cooking device and components thereof |
US11678765B2 (en) | 2020-03-30 | 2023-06-20 | Sharkninja Operating Llc | Cooking device and components thereof |
US11969118B2 (en) | 2020-03-30 | 2024-04-30 | Sharkninja Operating Llc | Cooking device and components thereof |
CN113974415A (zh) * | 2021-06-03 | 2022-01-28 | 添可智能科技有限公司 | 烹饪设备 |
CN113974415B (zh) * | 2021-06-03 | 2023-05-16 | 添可智能科技有限公司 | 烹饪设备 |
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