WO2018121166A1 - Ensemble soupape et cuiseur à riz électrique pourvu d'un ensemble soupape - Google Patents

Ensemble soupape et cuiseur à riz électrique pourvu d'un ensemble soupape Download PDF

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Publication number
WO2018121166A1
WO2018121166A1 PCT/CN2017/113713 CN2017113713W WO2018121166A1 WO 2018121166 A1 WO2018121166 A1 WO 2018121166A1 CN 2017113713 W CN2017113713 W CN 2017113713W WO 2018121166 A1 WO2018121166 A1 WO 2018121166A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
wall
elastic
valve assembly
driving
Prior art date
Application number
PCT/CN2017/113713
Other languages
English (en)
Chinese (zh)
Inventor
何国达
程永康
Original Assignee
佛山市顺德区美的电热电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621493631.2U external-priority patent/CN206809164U/zh
Priority claimed from CN201621493693.3U external-priority patent/CN206687622U/zh
Priority claimed from CN201621493640.1U external-priority patent/CN206809165U/zh
Priority claimed from CN201621493660.9U external-priority patent/CN206809116U/zh
Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Priority to JP2019532715A priority Critical patent/JP6794549B2/ja
Priority to KR1020197017053A priority patent/KR102195622B1/ko
Publication of WO2018121166A1 publication Critical patent/WO2018121166A1/fr

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Classifications

    • 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
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/06—Lids or covers for cooking-vessels
    • A47J36/08—Lids or covers for cooking-vessels for draining liquids from vessels
    • 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
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils

Definitions

  • the present application relates to a valve assembly and a rice cooker having the valve assembly.
  • the lid of the rice cooker is provided with a pressure valve, and the valve chamber of the pressure valve communicates with the outside and has a valve port communicating with the inside of the pot body, and a sealing member capable of sealing the valve port is disposed in the valve chamber.
  • the seal can move in the valve cavity, and the driving member can drive the seal to open or close the valve port, and the valve port is opened under a certain pressure to achieve a "collapse" phenomenon.
  • the seal can move in the valve cavity, the seal can strike the wall of the valve cavity to generate noise when transporting or moving the rice cooker.
  • the main purpose of the present application is to propose a valve assembly and a rice cooker having the same, which aim to solve the problem that noise is generated when the sealing member moves in the valve chamber and hits the wall of the valve chamber during the movement of the rice cooker.
  • the valve assembly proposed by the present application includes:
  • a pressure valve having a valve chamber and a seal disposed in the valve chamber, the valve chamber being in communication with the outside and having a valve port, the seal being sealingly fitted with the valve port and being configurable in the valve chamber motion;
  • a driving device disposed outside the valve cavity for driving the sealing member to abut against a cavity wall of the valve cavity or sealing the valve port.
  • the driving device drives the sealing member to abut the sealing member on the cavity wall of the valve cavity and avoid the valve opening.
  • the driving device includes a driving source, and the driving source includes a main body portion and a push rod capable of reciprocating relative to the main body portion, and a front end of the pushing rod moving direction is disposed corresponding to the sealing member to drive The seal abuts against the cavity wall of the valve chamber or seals the valve port.
  • the driving device further includes an elastically deformable elastic member, the driving source is an electric driving source, and the elastic member has two ends in an elastic deformation direction thereof, wherein one end is connected to the main body portion. The other end is connected to the push rod;
  • the push rod drives the sealing member to abut against the cavity wall of the valve cavity under the action of the elastic member, and avoids the valve opening;
  • the push rod compresses the elastic member to contract the rear end of the push rod in the direction of its own movement so that the seal seals the valve opening.
  • the driving source is an electromagnet
  • the push rod is an iron core of the electromagnet
  • the driving source is an electric cylinder
  • the push rod is a piston rod of the electric cylinder
  • the driving source includes a motor, a transmission component and a transmission rod, wherein the transmission rod is connected to the motor through the transmission component, the motor is used to drive the transmission rod to reciprocate, and the push rod is the Transmission rod.
  • a gear is disposed on a rotating shaft of the motor
  • the transmission rod is provided with a linear rack that meshes with the gear, or the transmission rod is provided with an arc-shaped rack that meshes with the gear.
  • the cavity wall of the valve cavity includes an elastically deformable elastic wall disposed corresponding to the seal
  • the driving device further includes a driving member
  • the driving member is coupled to the push rod
  • the driving The front end of the moving direction is disposed corresponding to the outer wall of the elastic wall
  • the push rod drives the driving member to reciprocate to cause the driving member to elastically deform the elastic wall and drive the sealing member to move the seal.
  • the member abuts against the cavity wall of the valve cavity or seals the valve port, and the driving member is detachably connected to the elastic wall elastic wall.
  • the elastic wall is formed with a fastening cavity
  • the fastening cavity forms a cavity on the outer wall surface of the elastic wall, and the edge of the cavity is formed along the width direction of the fastening cavity.
  • An extended elastic buckle a front end of the driving member in a moving direction is provided with a buckle, the buckle includes a connecting portion connected to the driving member and a limit connected to an end of the connecting portion away from the driving member
  • the portion of the limiting portion is formed with a projection on a circumferential surface of the self-moving direction, and the projection abuts against an inner wall surface of the elastic buckle.
  • the protrusion and the elastic buckle are arranged in a ring shape.
  • the elastic wall is a separate piece, the cavity wall of the valve cavity is provided with an opening, and the periphery of the elastic wall is provided with an annular groove, and the notch of the annular groove faces perpendicular to the push The direction of the axis of the rod expansion and contraction direction, the edge of the opening being sealingly connected to the groove wall of the annular groove.
  • the material of the elastic wall is rubber or silica gel.
  • a peripheral wall of the push rod facing away from the front end of the main body portion extends toward a lateral direction of the push rod to form a rib, and a position of the push rod having a rib is wider than the unset a cross section of the position of the rib;
  • the driving member has a card slot, the card slot has a first slot for lateral insertion of the rib in the direction of movement of the push rod and is located in the axial direction of the push rod
  • the edge of the second slot is formed with a buckle extending in the width direction of the second slot, and the flange abuts against the inner wall surface of the buckle.
  • the driving member is disposed in an annular plate shape
  • the card slot is formed on an inner side of the driving member
  • the first notch is formed on a side plate surface of the driving member
  • the second notch is formed on an end surface of the inner side of the driving member and faces the center of the ring, and the driving member is sleeved outside the driving source.
  • the groove bottom of the card slot opposite to the first slot has a semicircular arc shape, and the rib is disposed in a circular shape.
  • the driving device further includes a support member, the driving member includes a plate portion, the plate surface of the plate portion is supported on the support member, and the plate portion is provided with a vertical through hole a through groove extending from the plate surface of the plate portion, the through groove extending along a moving direction of the driving member, the support member being provided with an elastic buckle passing through the through groove, the elastic buckle being away from the One end of the support member is provided with a contractible elastic end, and an outer peripheral surface of the elastic end is provided with a limiting flange, and the limiting flange abuts the two groove sides of the through groove in the width direction.
  • the elastic buckle includes two elastic arms disposed opposite to the support member, and the two ends of the elastic arms away from the support member respectively form the limiting flange, and the two The limiting flange abuts the two groove sides of the through groove in the width direction.
  • the through slot and the elastic buckle are disposed in pairs and are provided in multiple pairs.
  • valve assembly further includes a valve cover and a valve seat
  • valve cover is fixed to the valve seat
  • valve cover and the valve seat form the valve cavity
  • valve assembly further includes a gasket.
  • the valve seat is opened with the valve port, and the sealing member is pressed against the gasket and blocks the valve port.
  • valve port is opened at a center of the valve seat, and the sealing member circumferentially surrounds the valve port.
  • a surface of the valve seat facing the sealing member is provided with a receiving groove, and the sealing plate is locked in the receiving groove.
  • the height of the gasket is greater than the depth of the receiving groove.
  • a recess corresponding to the outer shape of the seal is formed on an inner wall of the valve chamber abutting the seal.
  • the application also provides a rice cooker comprising:
  • a pot body for accommodating the cooked food, the top of the pot body having a pot mouth;
  • a cover body covering the pot body for opening or closing the pot mouth
  • a pressure valve disposed on the cover body, has a valve chamber and a sealing member disposed in the valve chamber, the valve chamber is in communication with the outside and has a valve port, and the sealing member is sealed with the valve port And movable in the valve cavity;
  • a driving device disposed on the cover body and disposed outside the valve cavity for driving the sealing member to abut against a cavity wall of the valve cavity or sealing the valve port, and the valve port is The inside of the pot body is electrically connected.
  • the application also provides a rice cooker comprising a panel and a valve assembly disposed on the panel;
  • the valve assembly further includes a valve cover and a valve seat, the valve cover is fixed to the valve seat, the valve cover and the valve seat form the valve cavity, and the valve assembly further includes a gasket, The valve seat is opened with the valve port, and the sealing member is pressed against the sealing gasket and blocks the valve port;
  • the panel is provided with a connecting hole matched with the valve seat, and one end of the valve seat facing away from the sealing member is fixed to the hole wall of the connecting hole, and the valve port is in communication with the connecting hole.
  • a sealing ring is provided at a joint between the panel and the valve seat
  • the technical solution of the present application drives the sealing member to abut against the cavity wall of the valve cavity by using a driving device, so that when the product of the valve assembly is applied, such as the rice cooker is in a non-working state and is in a moving state, the sealing member is in the driving device. Under control, abutting on the cavity wall of the valve cavity and avoiding the opening of the valve mouth can avoid noise generated by the sealing member shaking in the valve cavity; meanwhile, when the rice cooker is in a normal working state, the driving device can be disengaged from the sealing member.
  • the sealing seals the valve port, and when the rice cooker is in a high pressure state, the driving device can drive the sealing member to abut against the cavity wall of the valve cavity to open the valve port to achieve a "bumping" phenomenon, thereby achieving cooking. Uniform purpose.
  • Figure 1 is a cross-sectional view showing a portion of the structure of an electric rice cooker of the present application
  • Figure 2 is a partial enlarged view of a portion A in Figure 1;
  • Figure 3 is a schematic view of the seal member of Figure 2 abutting the chamber wall;
  • Figure 4 is a partial enlarged view of B in Figure 2;
  • Figure 5 is a cross-sectional view of the elastic wall of Figure 4.
  • Figure 6 is a cross-sectional view showing a portion of the structure of the driving member of Figure 4.
  • Figure 7 is a schematic view showing the structure of the driving source and the driving member of Figure 1;
  • Figure 8 is a partial enlarged view of a portion C in Figure 7;
  • FIG. 9 is a schematic structural view of another perspective view of the driving source and the driving member of FIG. 7;
  • Figure 10 is a cross-sectional view taken along line D-D of Figure 9;
  • Figure 11 is a cross-sectional view taken along line E-E of Figure 9;
  • Figure 12 is a schematic view showing the structure of the driving source, the driving member and the supporting member of Figure 1;
  • Figure 13 is a cross-sectional view taken along line F-F of Figure 12;
  • Figure 14 is a cross-sectional view showing another embodiment of the cover of Figure 1.
  • Label name Label name 100 Cover 1411 Limit flange 10 Drive unit 1412 Elastic arm 11 Drive source 20 Pressure valve 111 Main body twenty one Valve cavity 113 Putt 211 cap 1131 Rib 2111 Vent 12 Drive 212 Seat 121 Buckle 2121 Holding slot 1211 Connection 213 Elastic wall 1212 Limiting department 2131 Buckle cavity 1213 Bulge 2132 Cavity 1213a Chamfer 2133 Elastic buckle 122 Card slot 2134 Annular groove 1221 First slot twenty two Seals 1222 Second slot twenty three Valve port 1223 Buckle twenty four Seal 124 Plate 30 panel 1241 Passage 31 Connection hole 13 Elastic part 33 Seal ring 14 supporting item 200 Pot body 141 Elastic buckle
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • first”, “second”, etc. in the embodiments of the present application, the description of "first”, “second”, etc. is used for descriptive purposes only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. Nor is it within the scope of protection required by this application.
  • the application proposes a valve assembly.
  • the valve assembly includes:
  • the pressure valve 20 has a valve chamber 21 and a sealing member 22 disposed in the valve chamber 21.
  • the valve chamber 21 communicates with the outside and has a valve port 23.
  • the sealing member 22 is sealingly fitted with the valve port 23 and movable in the valve chamber 21. ;
  • the driving device is disposed outside the valve chamber 21 for driving the sealing member 22 to abut against the cavity wall of the valve chamber 21 or to seal the valve port 23.
  • the technical solution of the present application drives the sealing member 22 to abut against the cavity wall of the valve chamber 21 by using a driving device 10, so that when the product of the valve assembly is applied, such as the rice cooker is in a non-operating state and is in a moving state, the sealing member 22 Abutting against the cavity wall of the valve chamber 21 under the control of the driving device and avoiding the opening valve 23, the noise of the sealing member 22 in the valve cavity 21 can be avoided to generate noise; meanwhile, when the rice cooker is in a normal working state, The driving device is disengaged from the sealing member 22 so that the sealing member 22 seals the valve opening 23, and when the inside of the rice cooker is in a high pressure state, the driving device can drive the sealing member 22 to abut against the cavity wall of the valve chamber 21 to open the valve.
  • the mouth 23 realizes the phenomenon of "bumping", thereby achieving the purpose of uniform cooking.
  • the driving device drives the sealing member 22 to abut the sealing member 22 against the cavity wall of the valve chamber, and avoids the opening of the valve opening 23, thus achieving the above effects.
  • the cavity wall of the valve chamber 21 includes an elastically deformable elastic wall 213 disposed corresponding to the sealing member 22.
  • the driving device 10 includes a driving source 11 and a driving member 12, and the driving source 11 includes a main body portion 111 and A push rod 113 that is reciprocable relative to the main body portion 111, the driving member 12 is coupled to the push rod 113 (it is understood that the driving member 12 and the push rod 113 may be integrally formed), and the push rod 113 is used to drive the driving member 12 to reciprocate
  • the front end of the driving member 12 is disposed corresponding to the outer wall of the elastic wall 213.
  • the driving member 12 can elastically deform the elastic wall 213 and drive the sealing member 22 to open or close the valve opening 23; wherein the sealing member 22 has a holding position. At this time, the sealing member 22 is caught between the cavity walls of the valve chamber 21 and abuts against the elastic wall 213. That is, the movement of the driving seal 22 is achieved by the elastic deformation of the elastic wall 213. Thus, the sealing member 22 can be held between the cavity walls of the valve chamber 21, and at this time, the sealing member 22 abuts against the elastic wall 213. of. It can be understood that in other embodiments, the driving member 12 can be directly inserted into the valve cavity 21 without directly contacting the sealing member 22 by means of the elastic wall 213. In this way, the sealing of the valve cavity 21 is considered. problem.
  • the driving source 11 is provided for driving the driving member 12 to linearly reciprocate.
  • the driving source 11 may be provided to include an electromagnet and an elastic member 13 connected to the iron core of the electromagnet (when the elastic member 13 is a spring, one end is connected to the core away from the coil 312). One end, one end directly or indirectly resists the coil 312).
  • the push rod 113 is the iron core of the electromagnet, and the driving member 12 is connected with the iron core of the electromagnet.
  • the elastic force of the elastic member 13 against the iron core is Keeping the iron core away from the coil of the electromagnet, the driving member 12 abuts against the elastic wall 213, and the sealing member 22 is in the holding position, that is, it is in contact with the cavity wall, and avoids the opening valve port 23; when the electromagnet is connected, the iron core can continue to compress the elastic
  • the member 13 is configured to contract the rear end of the driving member 12 in the direction of its own movement, that is, the end of the driving member 12 away from the coil moves in the direction of the coil, so that the sealing member 22 seals the valve opening 23.
  • the elastic wall 213 When the valve assembly is applied to the rice cooker, the elastic wall 213 is driven to deform by the force of an elastic member 13 to prevent the movement of the sealing member 22 and the sealing member 22 to be retained in the valve chamber 21 when the rice cooker is not energized. Between the chamber walls, thereby solving the problem that the sealing member 22 moves in the valve chamber 21 to generate noise when the rice cooker is moved; when the rice cooker is powered and works, the elastic wall 213 can be removed by the movement of the electromagnet core to the sealing member 22
  • the sealing member 22 seals the valve opening 23 to increase the pressure in the rice cooker, and when the pressure in the rice cooker exceeds the preset pressure, the force of the iron core in the electromagnetic valve can be immediately canceled, thereby relying on the elastic member 13
  • the reaction force continues to drive the elastic wall 213 to deform and drive the seal 22 to move to open the valve port 23, thereby achieving a "bumping" phenomenon.
  • the force of canceling the iron core in the solenoid valve may also be set to appropriately
  • the driving source 11 may be further provided with an electric cylinder and an elastic member 13 connected to the piston rod of the electric cylinder.
  • the push rod 113 is a piston rod of the electric cylinder, and the driving member 12 and the electric cylinder are
  • the piston rod compresses the elastic member 13, the elastic force of the elastic member 13 against the piston rod causes the piston rod to move away from the cylinder barrel of the cylinder, the driving member 12 abuts against the elastic wall 213, and the sealing member 22 is clamped.
  • the driving source may also be provided with a motor, a transmission rod connected to the motor through the transmission assembly, and an elastic member 13 connected to the transmission rod.
  • the push rod 113 is a transmission rod, the driving member 12 and the transmission
  • the transmission rod compresses the elastic member 13.
  • the elastic force of the elastic member 13 on the transmission rod causes the transmission rod to drive the front end of the driving member 12 to move in the moving direction of the driving member 12, and the driving member 12 abuts the elastic wall 213.
  • the sealing member 22 is in the holding position; when the motor is powered, the motor-driven transmission rod continues to compress the elastic member 13 to contract the rear end of the driving member 12 in the direction of its own movement, so that the sealing member 22 seals the valve opening 23.
  • This solution can also solve the noise problem caused by the movement of the sealing member 22 in the valve chamber 21; at the same time, the "collapse" phenomenon can also be achieved.
  • a linear rack can be arranged on the transmission rod, and a gear matched with the linear rack is arranged on the rotating shaft of the motor, so that the linear reciprocating motion of the transmission rod is realized, and the structure is simple and practical;
  • the transmission assembly can be arranged to include a rotating rod to achieve a structure similar to the movement of the piston.
  • an arc-shaped rack that meshes with the gear can also be provided on the transmission rod, thereby achieving the curved motion of the driving member 12.
  • the driving member 12 and the elastic wall 213 are detachably connected.
  • the driving member 12 is detachably connected to the elastic wall 213 to strengthen the stability of the connection between the driving member 12 and the elastic wall 213, so that the deformation of the elastic wall 213 is more stable to more stably contact the sealing member 21, thereby making the sealing member 21 more stable.
  • the first valve port 22 is stably opened or sealed.
  • the driving member 12 and the elastic wall 213 can be connected by a screw structure or a snap structure, thereby enhancing the convenience of mounting and dismounting the driving member 12 and the elastic wall 213.
  • the driving member 12 may be a rod-shaped structure or a plate-like structure.
  • the elastically deformable elastic wall 213 mentioned in the present application can be realized by its own elastic structure, such as the elastic wall 213 including an elastically deformable annular elastic arm surface.
  • the elastic wall 213 including an elastically deformable annular elastic arm surface.
  • a bent arm surface or a corrugated surface may be provided; or the elastic wall 213 may be provided by an elastic material, for example, the elastic wall 213 may be made of rubber or silica gel; of course, the elastic wall 213 may also be provided to include both elastic structures. Also made of elastic material.
  • a fastening cavity 2131 is formed on the elastic wall 213 of the present application.
  • the fastening cavity 2131 forms a cavity 2132 on the outer wall surface of the elastic wall 213, and the edge of the cavity 2132 is formed with a buckle.
  • the elastic buckle 2133 extending in the width direction of the cavity 2131 is provided with a buckle 121 at the front end of the driving member 12 in the moving direction, and the buckle 121 includes a connecting portion 1211 connected to the driving member 12 and an end away from the driving member 12 with the connecting portion 1211.
  • the stopper portion 1212 is formed with a projection 1213 on the circumferential surface in the direction of its own movement, and the projection 1213 abuts against the inner wall surface of the elastic buckle 2133. In this way, not only the mounting and dismounting of the driving member 12 and the elastic wall 213 can be facilitated, but also the protrusion 1213 abuts against the inner wall surface of the elastic buckle 2133, thereby enhancing the stability of the connection between the two, and preventing the buckle 121 from the fastening cavity 2131. Get out of the middle.
  • the protrusion 1213 and the elastic buckle 2133 are arranged in a ring shape, so that the abutment surface between the protrusion 1213 and the elastic buckle 2133 can be increased. Thereby strengthening the connection between the two.
  • the protrusions 1213 may also be provided in a strip shape and provided in plurality.
  • an end of the protrusion 1213 away from the driving member 12 may be formed with a guiding angle 1213a.
  • a bevel or a curved surface may be disposed on an end of the protrusion 1213 away from the driving member 12, In this way, the buckle 121 can be easily inserted into the fastening cavity 2131.
  • the two may be integrally formed. If it can be formed by injection molding, it is simple and practical, and the cost can also be reduced. Among them, it should be noted that the wall thickness of the driving member 12 is substantially kept uniform to enhance the stability of the driving member 12.
  • the inner wall surface of the cavity wall of the valve chamber 21 which is disposed to abut against the sealing member 22 is provided with a recess adapted to the outer shape of the sealing member 22. To strengthen the friction between the seal 22 and the cavity wall, the seal 22 is prevented from coming off the cavity wall.
  • the sealing member 22 is provided in a spherical shape.
  • the elastic wall 213 may be provided as a separate member, and the cavity wall of the valve chamber 21 is provided with an opening (not shown).
  • the peripheral edge of the elastic wall 213 is provided with an annular groove 2134, the notch of the annular groove 2134 is oriented in a direction perpendicular to the axis of the telescopic direction of the driving member 12, and the edge forming the opening is sealingly connected with the groove wall of the annular groove 2134.
  • the edge forming the opening has a reaction force against the groove wall of the annular groove 2134, which prevents the elastic wall 213 from being detached from the opening, thereby preventing the steam in the valve chamber 21 from entering the driving device.
  • the elastic wall 213 may also be integrally formed with the other cavity walls of the valve cavity 21. At this time, the elastic deformation of the elastic wall 213 may be achieved by providing the elastic wall 213 with an elastic structure.
  • the peripheral wall of the push rod 113 facing away from the main body portion extends in the lateral direction of the push rod 113 to form a rib 1131.
  • the cross-section of the push rod 113 having the rib 1131 is wider than the unset.
  • the driving device 10 further includes a driving member 12 having a card slot 122 having a first slot for lateral insertion of the rib 1131 in the moving direction of the push rod 113 1221 and a second notch 1222 located in the axial direction of the push rod 113.
  • the edge of the second notch 1222 is formed with a buckle 1223 extending in the width direction of the second slot 1222, and the inside of the flange 1131 and the buckle 1223 The wall is abutted.
  • the rib 1131 is formed by extending in the lateral direction of the push rod 113 on the peripheral wall of the push rod 113 away from the front end of the main body portion, and the rib 1131 abuts against the inner wall surface of the buckle 1223, that is, through the rib 1131 and the card.
  • the cooperation of the slot 122 realizes the connection between the push rod 113 and the driving member 12, which not only improves the efficiency of connecting the driving member 12 and the push rod 113, but also ensures the stability of the connection between the two, and the structure is relatively simple.
  • the driving member 12 is formed in an annular plate shape, and the card slot 122 is formed on the inner side of the driving member 12.
  • the first slot 1221 is formed on the side plate surface of the driving member 12, and the second slot is formed.
  • the opening 1222 is formed on the end surface of the inner side of the driving member 12 and faces the center of the ring, and the driving member 12 is sleeved on the outer side of the driving source 11.
  • the groove bottom of the card slot 122 opposite to the first notch 1221 may be semi-circular, and correspondingly, the rib is disposed.
  • the 1131 is annular in shape to increase the contact surface between the driving member 12 and the push rod 113 connection, thereby improving the friction between the two.
  • the driving device 10 is further provided with a supporting member 14, and the driving member 12 includes a plate portion 124, and the plate surface of the plate portion 124 is supported on the support.
  • the plate portion 124 is provided with a through groove 1241 extending through the plate surface of the plate portion 124.
  • the through groove 1241 extends in the moving direction of the driving member 12, and the support member 14 is provided with an elastic card passing through the through groove 1241.
  • the buckle 141 is provided with a retractable elastic end at one end of the elastic buckle 141 away from the support member 14.
  • the outer peripheral surface of the elastic end is provided with a limiting flange 1411, and the limiting flange 1411 and the through groove 1241 are in the width direction.
  • the groove edge abuts.
  • the driving member 12 is caught between the support member 14 and the elastic end portion, which can effectively prevent the driving member 12 from being deflected in other directions when moving.
  • the elastic buckle 141 includes two elastic arms 213 disposed opposite to the support member 14 , and the ends of the two elastic arms 213 away from the support member 14 respectively form a limiting flange 1411 .
  • the two limiting flanges 1411 respectively abut the two groove sides of the through groove 1241 in the width direction.
  • the driving member 12 is restrained between the support member 14 and the limiting flange 1411 to ensure the movement of the driving member 12.
  • the through groove 1241 and the elastic buckle 141 may be disposed in pairs and provided with a plurality of pairs.
  • the through grooves 1241 may be evenly spaced along the periphery of the driving member 12 to The edge of the anti-drive member 12 is tilted.
  • three pairs are provided, two pairs of which are oppositely disposed, and the other pair is disposed on the symmetry lines of the two pairs.
  • the valve assembly includes a valve cover 211 and a valve seat 212.
  • the valve cover 211 is fixed to the valve seat 212.
  • the valve cover 211 and the valve seat 212 form a valve cavity 21.
  • the valve assembly further includes a gasket 24, and the valve seat 212 is provided with a valve port 23, The seal 22 is pressed against the gasket 24 and blocks the valve port 23.
  • the cooking space is a sealed space.
  • the valve assembly needs to be opened, that is, The seal 22 is removed from the gasket 24 by vapor pressure and the valve port 23 is opened to release a portion of the steam to maintain the internal vapor pressure at a certain desired value to ensure the taste of the food being cooked.
  • the rice cooker is provided with a gasket 24 through the valve assembly.
  • the gasket 24 is generally a flexible soft material. When in contact with the sealing member 22, the sealing member 22 can press against the gasket 24 to cause micro-deformation and sealing.
  • the outer surface of the member 22 is tightly fitted so that the sealing member 22 can tightly seal the valve opening 23 to ensure that the steam pressure inside the rice cooker reaches the required exact value, thereby making the rice cooker more effective in cooking. Therefore, the valve assembly of this structure has the advantages of good sealing property and the like.
  • the material of the gasket 24 may be silica gel or rubber, or other elastic materials.
  • valve port 23 is opened at the center of the valve seat 212, and the gasket 24 surrounds the valve port 23 in the circumferential direction.
  • valve port 23 is opened at the center of the valve seat 212, so that the impact of the steam pressure on the valve seat 212 is relatively uniform, and the structural stability and service life of the valve assembly are ensured.
  • the gasket 24 circumferentially surrounds the valve port 23, so that the sealing member 22 can be in contact with the gasket 24 in the circumferential direction when the valve port 23 is closed, so that the sealing effect can be better achieved.
  • valve seat 212 faces the surface of the sealing member 22 and defines a receiving groove 2121 .
  • the sealing pad 24 is locked in the receiving groove 2121 .
  • the valve seat 212 is provided with a receiving groove 2121 matched with the sealing gasket 24.
  • the sealing gasket 24 is made of an elastic material, an interference fit between the sealing gasket 24 and the receiving groove 2121.
  • the 24 is firmly fixed in the receiving groove 2121, which is simple and convenient, and is easy to assemble.
  • the cross-sectional shape of the gasket 24 is annular, the width on the side close to the seal 22 is large, and the width on the side away from the seal 22 is small, so that the contact area of the seal 22 with the gasket 24 is larger, thereby The seal is made more tight and the shape of the receiving groove 2121 is matched.
  • the gasket 24 can also be fixed to the valve seat 212 by gluing.
  • the height of the gasket 24 is greater than the depth of the receiving groove 2121.
  • the height of the gasket 24 is greater than the depth of the receiving groove 2121, so that the gasket 24 can protrude from the surface of the valve seat 212 facing the sealing member 22, so that the gasket 24 is higher than the opening of the valve port 23, thereby
  • the sealing member 22 can be more easily contacted with the gasket 24 around the valve port 23 when the valve port 23 is closed, thereby achieving a better sealing effect.
  • the gasket 24 when used for a period of time, even if it is damaged, it can play a good sealing effect, so the valve assembly of the structure can have a long service life, reduce the frequency of replacement, and save resources.
  • the cover body 211 is provided with an air outlet 2111 communicating with the valve chamber 21.
  • an air outlet 2111 is opened in the cover body 211, and the air outlet 2111 communicates with the valve chamber 21 when the steam inside the rice cooker passes through the valve.
  • the port 23 is discharged to the valve chamber 21, it can be discharged to the outside through an air outlet 2111 communicating with the outside.
  • the application proposes a rice cooker.
  • the rice cooker includes:
  • a pot body 200 for accommodating the cooked food, and an opening at the top of the pot body 100 for loading or holding the cooked food;
  • the pressure valve 20 is disposed on the cover body 100 and has a valve chamber 21 and a sealing member 22 disposed in the valve chamber 21.
  • the valve chamber 21 communicates with the outside and has a valve port 23 communicating with the inside of the pot body 10, and the sealing member 22 is The valve port 23 is sealingly fitted and movable in the valve chamber 21;
  • the driving device is disposed outside the valve chamber 21 for driving the sealing member 22 to abut against the cavity wall of the valve chamber 21 or to seal the valve port 23.
  • the cover 100 further includes a casing (not shown) fixed to the outside of the panel 30 for protection and decoration.
  • the connection of the valve assembly to the panel 30 can be riveted, snapped or otherwise connected, and the detachable connection can facilitate the installation and replacement of the valve assembly.
  • the valve assembly is fixed to the panel 30 by riveting.
  • the rice cooker includes a panel 30 and a valve assembly disposed on the panel 30.
  • the panel 30 is provided with a connecting hole 31 matching the valve seat 212.
  • the one end of the valve seat 212 facing away from the sealing member 22 is fixed to the connecting hole.
  • the hole wall of 31, the valve port 23 is in communication with the connection hole 31.
  • the panel 30 of the cover 100 is provided with a connecting hole 31.
  • the hole wall of the connecting hole 31 is stepped, and the shape of the valve seat 212 facing away from the end of the sealing member 22 is matched with it.
  • the bent edge can better position the valve seat 212 and the hole wall of the connecting hole 31, and then fix it by using a fixing member, and the structure is stable and firm.
  • the lid body 100 covers the body of the rice cooker (not shown), and a cooking space is formed therebetween.
  • the connecting hole 31 of the lid body 100 directly communicates with the cooking space, so that the valve port 23 communicates with the connecting hole 31, so that cooking can be performed.
  • the steam in the space is released in a timely manner under a certain pressure, thereby ensuring that the steam pressure of the rice cooker always maintains the pressure required for cooking the food, thereby obtaining a good cooking effect.
  • a seal ring 33 is provided at the junction of the panel 30 and the valve seat 212.
  • the connection between the valve seat 212 and the panel 30 is ensured to be tight and seamless, and no air leakage occurs, thereby further improving the sealing property of the cover 100, thereby ensuring that the steam pressure in the rice cooker can reach the required effective value.

Abstract

L'invention concerne un ensemble soupape et un cuiseur à riz électrique utilisant l'ensemble soupape. L'ensemble soupape comprend une soupape de pression (20) et un dispositif d'entraînement. La soupape de pression (20) est pourvue d'une cavité de soupape (21) et d'un élément d'étanchéité (22) prévu dans la cavité de soupape (21). La cavité de soupape (21) communique avec l'extérieur et est pourvue d'un orifice de soupape (23), et l'élément d'étanchéité (22) s'adapte de manière étanche à l'orifice de soupape (23) et peut se déplacer dans la cavité de soupape (21). Le dispositif d'entraînement est placé à l'extérieur de la cavité de soupape (21), et est utilisé pour pousser l'élément d'étanchéité (22) à comprimer la paroi de cavité de la cavité de soupape (21) ou à fermer hermétiquement l'orifice de soupape (23). L'ensemble soupape permet de résoudre le problème du bruit généré par les chocs produits contre la paroi de soupape de la cavité de soupape (21) par l'élément d'étanchéité (22) se déplaçant dans la cavité de soupape (21) lorsque le cuiseur à riz électrique fonctionne.
PCT/CN2017/113713 2016-12-30 2017-11-30 Ensemble soupape et cuiseur à riz électrique pourvu d'un ensemble soupape WO2018121166A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019532715A JP6794549B2 (ja) 2016-12-30 2017-11-30 弁部材およびそれを備えた炊飯器
KR1020197017053A KR102195622B1 (ko) 2016-12-30 2017-11-30 밸브 조립체 및 밸브 조립체를 갖는 전기밥솥

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN201621493693.3 2016-12-30
CN201621493631.2U CN206809164U (zh) 2016-12-30 2016-12-30 驱动组件及具有驱动组件的电饭煲
CN201621493693.3U CN206687622U (zh) 2016-12-30 2016-12-30 阀门组件及具有该阀门组件的电饭煲
CN201621493631.2 2016-12-30
CN201621493640.1U CN206809165U (zh) 2016-12-30 2016-12-30 阀门组件及具有阀门组件的电饭煲
CN201621493660.9U CN206809116U (zh) 2016-12-30 2016-12-30 蒸汽阀组件、煲盖及电饭煲
CN201621493660.9 2016-12-30
CN201621493640.1 2016-12-30

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WO2018121166A1 true WO2018121166A1 (fr) 2018-07-05

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Also Published As

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KR20190085042A (ko) 2019-07-17
JP2020503103A (ja) 2020-01-30
KR102195622B1 (ko) 2020-12-28
JP6794549B2 (ja) 2020-12-02

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