WO2020170993A1 - Mécanisme de déverrouillage de porte pour dispositif de chauffage et de cuisson, et dispositif de chauffage et de cuisson associé - Google Patents

Mécanisme de déverrouillage de porte pour dispositif de chauffage et de cuisson, et dispositif de chauffage et de cuisson associé Download PDF

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Publication number
WO2020170993A1
WO2020170993A1 PCT/JP2020/005930 JP2020005930W WO2020170993A1 WO 2020170993 A1 WO2020170993 A1 WO 2020170993A1 JP 2020005930 W JP2020005930 W JP 2020005930W WO 2020170993 A1 WO2020170993 A1 WO 2020170993A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
release mechanism
linear movement
door release
latch
Prior art date
Application number
PCT/JP2020/005930
Other languages
English (en)
Japanese (ja)
Inventor
正浩 西島
Original Assignee
シャープ株式会社
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
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to EP20760154.3A priority Critical patent/EP3929491A4/fr
Priority to JP2021501961A priority patent/JPWO2020170993A1/ja
Publication of WO2020170993A1 publication Critical patent/WO2020170993A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus
    • H05B6/6417—Door interlocks of the microwave heating apparatus and related circuits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/24—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them
    • E05B63/248—Arrangements in which the fastening members which engage one another are mounted respectively on the wing and the frame and are both movable, e.g. for release by moving either of them the striker being movable for latching, and pushed back by a member on the wing for unlatching, or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/022—Latches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0024—Cams
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring
    • E05B2047/0068—Door closed

Definitions

  • the present invention relates to a door release mechanism for a heating cooker such as an oven and a microwave oven, and a heating cooker including the same.
  • a heating cooker such as an oven and a microwave oven
  • the present application claims priority based on Japanese Patent Application No. 2019-029568 filed in Japan on February 21, 2019, the contents of which are incorporated herein by reference.
  • Patent Document 1 holds a door that can be engaged with a door of a home electric appliance such as a heating cooker, and can be moved between a first position in which the door is held in a closed position and a second position in which the door is opened.
  • a door release mechanism is disclosed that includes a mechanism, a cam having a plurality of cam surfaces, and a motor for driving the cam in response to a control signal.
  • the holding mechanism has a hook spacer that slides on the cam surface, and the hook spacer is rotated by the rotation of the cam to push up the door key provided on the door. The door key pushed up passes over the engagement receiving portion, the engagement is released, and the door is opened.
  • One aspect of the present invention is made in view of the above problems, and provides a door release mechanism of a heating cooker capable of quickly opening a door by using a motor having a small torque, and a heating cooker including the same. To aim.
  • an engagement portion provided on the door is engaged with an engagement receiving portion provided on the cooker body.
  • a door release mechanism of a heating cooker in which the door is closed with respect to the cooker body, and includes a motor provided in the cooker body and a motor provided in the cooker body and rotated by the motor. And a linear movement provided on the cooker main body, which linearly moves in a first direction by rotation of the cam and moves the engaging portion in a direction in which the engagement with the engagement receiving portion is released. And a member.
  • a door release mechanism of a heating cooker capable of quickly opening a door by using a motor having a small torque, and a heating cooker including the same. ..
  • FIG. 1 It is a perspective view which shows the external appearance of the heating cooker of Embodiment 1 of this invention. It is a front view in the state where the front door of the above-mentioned cooking device was opened. It is a block diagram showing composition of a control device with which the above-mentioned heating cooker is provided. It is a perspective view showing composition of a latch mechanism and a door release mechanism with which the above-mentioned heating cooker is provided. It is a figure of a front door closed state showing an internal structure of a principal part to which a latch mechanism and a door release mechanism are attached. It is a perspective view of a hook formation object in which a latch hook of a latch mechanism was formed. It is an enlarged view of the part enclosed with the square of FIG.
  • FIG. 9A is a sectional view taken along the line AA of FIG. 8B
  • FIG. 8B is a perspective view of the latch lever as seen from the side in contact with the hook forming body. It is a figure of the state where the front door is half opened which shows the internal structure of the principal part to which the latch mechanism and the door release mechanism are attached. It is a figure of the opened state of the front door 3 which shows the internal structure of the principal part to which the latch mechanism and the door release mechanism are attached.
  • FIG. 1 is a perspective view showing an appearance of a heating cooker 1 of the present embodiment.
  • FIG. 2 is a front view of the heating cooker 1 shown in FIG. 1 with the front door 3 open.
  • the heating cooker 1 is, for example, a microwave oven, and has a front door (door) 3 that covers the heating chamber 4 on the front surface of the cooker body 2.
  • the front door 3 is a laterally open type in which the left side (the left side when facing) is hinged.
  • the present invention can also be applied to a door whose right side, upper side, or lower side is hinged.
  • the front door 3 is provided with a latch head member 21 (see FIG. 4) inside the door housing at the right end that is the open end.
  • the latch head member 21 has latch heads (engagement portions) 22 each having an engaging claw portion 22a at its tip end at two upper and lower positions.
  • the latch head 22 projects from openings 3a, 3a formed in the door housing of the front door 3.
  • the cooker body 2 includes latch hooks (engagement receiving portions) 25, 25 (see FIG. 4) that engage with the latch heads 22, 22 provided on the front door 3 in the body housing on the right front side, and the door release.
  • the mechanism 10 is provided.
  • the main body housing on the right front side of the cooker main body 2 is formed with openings 2a, 2a for receiving the latch head 22 provided on the front door 3.
  • the front door 3 is closed by the latch head 22 engaging the latch hook 25.
  • the latch head 22 and the latch hook 25 constitute a latch mechanism that holds the front door 3 in the closed state.
  • the door release mechanism 10 is a mechanism that releases the front door 3 by releasing the engagement between the latch head 22 and the latch hook 25. Although details will be described later, the door release mechanism 10 includes a motor 12 (see FIG. 4) and electrically releases the engagement to open the front door 3.
  • the heating cooker 1 also has an operation panel 5 above the front door 3.
  • the operation panel 5 is provided with a door opening switch 6 for opening the front door 3.
  • FIG. 3 is a block diagram showing a configuration of a control device included in the heating cooker 1.
  • the control device includes a control unit 30 that controls the operation of the heating cooker 1.
  • the control unit 30 is composed of, for example, a microcomputer and has a CPU, a ROM and a RAM. As shown in FIG. 3, the operation panel 5, the heating operation unit 31, the front door opening/closing detection unit 32, the motor 12 of the door release mechanism 10, and the like are connected to the control unit 30.
  • the heating operation unit 31 is an operation unit that heats the food arranged in the heating chamber 4, and is a heating device such as a microwave output device and a heater when the cooking device 1 is a microwave oven.
  • the control unit 30 determines that the cooking conditions are input using the operation panel 5 to instruct the start of cooking and the front door 3 is in the closed state, the heating unit 31 is operated to perform cooking. Start.
  • the front door open/close detection unit 32 includes three closed state detection switches SW1 to SW3 described later.
  • the control unit 30 receives a signal indicating that the knob 60 (see FIG. 5) is pressed from all the three closed state detection switches SW1 to SW3, the front door 3 is in the closed state. judge.
  • the motor 12 of the door release mechanism 10 is a motor that rotates a cam 11 (see FIG. 5) described later.
  • the control unit 30 drives the motor 12 by operating the door opening switch 6 of the operation panel 5.
  • FIG. 4 is a perspective view showing the configurations of the latch mechanism and the door release mechanism 10.
  • FIG. 5 is a diagram showing an internal structure of a main part to which the latch mechanism and the door release mechanism 10 are attached. 4 and 5, the front door 3 is in the closed state. Further, in FIG. 5, the description of the motor 12 is omitted.
  • FIG. 6 is a perspective view of the hook forming body 40 in which the latch hook 25 of the latch mechanism is formed.
  • FIG. 7 is an enlarged view of a portion surrounded by a square in FIG.
  • the latch mechanism includes the latch heads 22 and 22 provided on the front door 3 and the latch hooks 25 and 25 provided on the cooker body 2.
  • the latch head member 21 provided with the latch heads 22 and 22 is attached in the door housing of the front door 3 so as to be vertically movable, and is urged downward by a door spring 23. By being provided in one latch head member 21, the latch heads 22 and 22 move integrally.
  • the latch heads 22 and 22 incline upward as they move away from the rod-shaped portion of the latch head member 21, and the tip ends bend downward.
  • the bent tip portions are engaging claw portions 22 a, 22 a that engage with the latch hook 25.
  • the lower end of the upper engaging claw 22a lifted by the latch lever 13 is rounded and is formed so as to slide smoothly with the latch lever 13.
  • the latch hooks 25, 25 are formed on the hook forming body 40 as shown in FIG.
  • the hook forming body 40 is a substrate made of a resin molding that is vertically elongated.
  • the closed state detection switches SW1 to SW3 for detecting the closed state of the front door 3 and the cam 11, the motor 12, the latch lever 13, and the latch spring 14 which are components of the door release mechanism 10.
  • a cam position detection switch 4 and the like are attached. That is, the hook forming body 40 is a support for the closed state detection switches SW1 to SW3 and the components of the door release mechanism 10.
  • slope portions 46, 46 are formed, which are in contact with the lower ends of the engaging claw portions 22a, 22a of the latch heads 22, 22 when the front door 3 is opened and closed. ing.
  • the closed state detection switch (second switch) SW1 is attached to the upper stage of the hook forming body 40, the closed state detection switch (first switch) SW2 is in the middle stage, and the closed state detection switch SW3. Is attached to the lower tier.
  • the upper closed state detection switch SW1 is positioned so that the knob 60 is pressed at the tip of the engaging claw portion 22a of the upper latch head 22.
  • the lower closed state detection switch SW3 is positioned so that the knob 60 is pressed at the lower end of the engaging claw portion 22a of the lower latch head 22.
  • the closed state detection switch SW2 in the middle stage is pushed down by the engaging claw portion 22a of the upper latch head 22 to move downward (second direction), and the knob 60 is pushed down by the latch lever 13 reaching the lower position.
  • the door release mechanism 10 includes a motor 12, a cam 11 rotated by the motor 12, and a linear movement in an upward direction (first direction) due to the rotation of the cam 11 to move the upper latch head 22 to a latch hook 25. At least a latch lever (linear movement member) 13 that moves in a direction to release the engagement.
  • the cam 11 and the motor 12 are attached to the central portion of the hook forming body 40 in the vertical direction.
  • the motor 12 rotationally drives the cam 11, and the cam 11 is fixed to the shaft (not shown) of the motor 12.
  • the cam 11 has a plurality of cam surfaces 11 a that slide on the lower end of the latch lever 13 and move the latch lever 13 upward.
  • a cam position detection SW 4 is provided to detect such a position of the cam 11.
  • the latch lever 13 is arranged between a guide long wall (guide wall) 41 and a guide short wall (guide wall) 42 formed on the hook forming body 40.
  • the latch lever 13 is attached so as to be linearly movable in the vertical direction along the long guide wall 41 and the short guide wall 42.
  • the latch lever 13 has an elongated shape in the vertical direction, which is the direction of linear movement, and one end portion along the short-side direction slides on the cam 11 and the other end portion along the short-side direction. Comes into contact with the engaging claw portion 22a of the upper latch head 22. With such a shape, the door releasing mechanism 10 can be made compact in size in the front-rear direction (sliding direction, opening/closing direction).
  • Such a latch lever 13 is biased upward (first direction) by a latch spring 14.
  • the latch spring 14 has an upper end hooked on a clamp 45 formed on the hook forming body 40 and a lower end hooked on a clamp 13 a formed on the latch lever 13.
  • the latch lever 13 linearly moves downward against the biasing force of the latch spring 14 and pushes down the knob 60 (see FIG. 4) of the closed state detection switch SW2 in the middle stage.
  • the latch lever 13 is provided with the protrusion 24, and the protrusion 24 presses the knob 60 of the closed state detection switch SW2 in the middle stage.
  • the closed state detection switch SW2 can be positioned more easily than the configuration in which the knob 60 is pressed down by the rotating member.
  • the guide long wall 41 is formed longer in the vertical direction than the guide short wall 42, and the upper end of the guide long wall 41 reaches the upper latch hook 25.
  • the guide long wall 41 is provided with pawl portions 43, 43 for locking the latch lever 13 and restricting the movement of the latch lever 13 in two directions orthogonal to the linear movement direction.
  • the claws 43, 43 are L-shaped and are formed on the end face of the long guide wall 41 in the height direction of the wall.
  • the claws 43, 43 sandwich the wall portion 13b of the latch lever 13 extending in the vertical direction, and restrict the movement of the latch lever 13 only in the vertical direction.
  • the claw portions 43 are formed at two locations separated in the vertical direction, but they may be formed at one location.
  • a concave escape portion 41a is formed between the claw portions 43 of the long guide wall 41, and a concave escape portion 13c is formed on the wall portion 13b of the latch lever 13.
  • the height of the wall of the escape portion 13c is lower than that of the wall portion 13b, and is a height that does not contact the claw portion 43.
  • These escape portions 41a and 13c are used to avoid interference with the long guide wall 41 and the claw portion 43 when the latch lever 13 is attached to and detached from the hook forming body 40.
  • the latch lever 13 is arranged so as to be hooked on the two claw portions 43, 43 by utilizing the relief portions 41a, 13c, and then the latch lever 13 is detached by attaching the closed state detection switch SW2 in the middle stage. To be prevented. This will be described with reference to FIG.
  • FIG. 8A is a diagram showing a state where the latch lever 13 is inserted into a predetermined position of the hook forming body 40
  • FIG. 8B is a state in which the closed state detection switch SW2 in the middle stage is attached and the latch lever 13 is attached. It is a figure which shows the state in which the fallout of was prevented.
  • the wall portion 13b is sandwiched between the claw portions 43, 43 between the guide long wall 41 and the guide short wall 42 formed on the hook forming body 40. Inserted in.
  • the latch lever 13 is formed with an opening 13d through which the clamp 45 formed in the hook forming body 40 is inserted.
  • the latch lever 13 uses the inserted clamp 45 as a fulcrum to attach the lower end of the latch lever 13 to the latch head 22. It is inserted with a slight rotation in the direction away from the engaging side. At that time, the escape portion 41a formed on the long guide wall 41 avoids interference with the upper end of the latch lever 13, and the escape portion 13c formed on the wall portion 13b of the latch lever 13 interferes with the lower claw portion 43. To avoid. Thereby, the latch lever 13 can be inserted so as to be hooked on the claw portions 43, 43. After that, as shown in FIG. 8B, the middle closed state detection switch SW2 is attached. As a result, the closed state detection switch SW2 in the middle stage becomes an obstacle, and the latch lever 13 cannot reach the position at the time of attachment/detachment that rotates around the clamp 45 shown in FIG. The latch lever 13 is prevented from falling off.
  • the closed state detection switch SW2 in the middle stage prevents the latch lever 13 from falling off while the claw portions 43, 43 are engaged.
  • the guide short wall 42 is not always necessary, and may be omitted when the latch lever 13 is stably linearly moved only by the guide long wall 41.
  • the latch lever 13 is devised to reduce friction when moving linearly.
  • the long guide wall 41 and the short guide wall 42 are provided with protrusions 44 that come into line contact with the latch lever 13.
  • two long guide walls 41 and two short guide walls 42 each have two elongated projections 44 extending in the height direction of the wall, so that the latch lever 13 is always movable in the movable range. It is configured to contact the four protrusions 44. As a result, the contact area between the long guide wall 41 and the short guide wall 42 can be reduced to suppress friction, and the latch lever 13 can be moved with a smaller force.
  • the protrusion 44 may be formed so as to extend in the width direction of the wall (the direction of linear movement), and the point is that the contact area can be reduced.
  • the protrusion 44 may be provided on the side of the latch lever 13 so as to come into contact with the long guide wall 41 and the short guide wall 42.
  • FIG. 9A is a sectional view taken along the line AA of FIG. 8B
  • FIG. 9B is a perspective view of the latch lever 13 seen from the side in contact with the hook forming body 40. is there.
  • FIGS. 5, 10, and 11. 10 and 11 are diagrams showing an internal structure of a main part to which the latch mechanism and the door release mechanism 10 are attached.
  • the description of the motor 12 is omitted in FIGS. 10 and 11. 5 shows the state where the front door 3 is closed
  • FIG. 10 shows the state where the front door 3 is half opened
  • FIG. 11 shows the state where the front door 3 is opened.
  • the engaging claw portions 22a, 22a of the upper and lower latch heads 22, 22 provided on the front door 3 are latch hooks provided on the cooker main body 2. 25, 25 is engaged.
  • the latch lever 13 is in the lower position by being pushed down to the lower end of the engaging claw portion 22a of the upper latch head 22.
  • the upper closed state detection switch SW1 is pushed down by the tip of the engagement claw portion 22a of the upper latch head 22, and the lower closed state detection switch SW3 is the engagement claw portion of the lower latch head 22. It is depressed at the lower end of 22a.
  • the closed state detection switch SW2 in the middle stage is pushed down by the protrusion 24 of the latch lever 13 that has moved to the lower position.
  • a motor having a small torque can be used as the motor 12, and the range of selection of the motor 12 is widened, and the front door 3 is opened within a short time after the door opening switch 6 is pressed (quick opening). Can be done).
  • the protrusion 44 formed on the long guide wall 41 and the short guide wall 42, the convex portion 13e formed on the latch lever 13, and the like reduce friction when the latch lever 13 linearly moves. .. Thereby, the torque required for the motor 12 can be further reduced.
  • FIG. 12 shows the second embodiment and is a diagram showing an internal structure of a main part to which the latch mechanism and the door release mechanism 10A are attached.
  • the heating cooker of the present embodiment includes a door release mechanism 10A instead of the door release mechanism 10.
  • the door release mechanism 10A is the same as the door release mechanism 10 except that the door release mechanism 10A is provided with the locking wall 48.
  • the locking wall 48 restricts the upward movement of the latch lever 13 by hitting the latch lever 13, and prevents the latch lever 13 from contacting the knob (sensing portion) 60 of the upper closed state detection switch SW1. ..
  • the locking wall 48 is provided below the mounting position of the upper closed state detection switch SW1 of the hook forming body 40.
  • FIG. 13 shows the third embodiment and is a diagram showing an internal structure of a main part to which the latch mechanism and the door release mechanism 10B are attached.
  • the cooking device 1 of the present embodiment includes a door release mechanism 10B instead of the door release mechanism 10A.
  • the door release mechanism 10B is the same as the door release mechanism 10A except that a latch lever 53 is provided instead of the latch lever 13.
  • the latch lever 53 has an extension portion 54 that extends rearward in the sliding direction at the lower end that slides on the cam surface 11a of the cam 11.
  • the latch lever 53 is the same as the latch lever 13 except that it has the extending portion 54.
  • the contact time with the cam surface 11a becomes longer, and the latch lever 53 moves the uppermost latch head 22 in the direction of lifting and releasing the engagement. Hold the position long.
  • the latch heads 53 and 22 pass over the latch hooks 25 and 25, while the latch lever 53 is elongated in the vertical direction to suppress the dimension of the door release mechanism 10A in the front-rear direction (sliding direction).
  • the rotation speed of the motor 12 is too fast, and the latch lever moves downward before the latch heads 22 and 22 move to the position where the front door 3 is opened, and the opening of the front door 3 is not possible. It is possible to surely avoid a problem such as being sufficient.
  • the door release mechanism of the heating cooker is attached to the cooker body by engaging the engagement portion provided on the door with the engagement receiving portion provided on the cooker body.
  • a door release mechanism of a heating cooker which is closed to the other side, wherein a motor provided in the cooker body, a cam provided in the cooker body and rotated by the motor, and the cooker body A linear movement member that is linearly moved in the first direction by the rotation of the cam to move the engagement portion in a direction of releasing the engagement with the engagement receiving portion.
  • a door release mechanism for a heating cooker according to a second aspect of the present invention is, in the first aspect, provided with a guide wall that guides the linear movement of the linear movement member, and the guide wall engages the linear movement member to linearly move. It is also possible to adopt a configuration in which a claw portion that restricts movement of the linear movement member in two directions orthogonal to the movement direction is provided.
  • the first switch that detects the closed state of the door is disengaged from the linear movement member when the claw portion is engaged. It is also possible to adopt a configuration in which
  • the door release mechanism of the heating cooker according to the fourth aspect of the present invention may be configured such that, in the second or third aspect, the guide wall is provided with a protrusion that comes into line contact with the linear movement member.
  • the linear moving member has an elongated shape in a linear moving direction, and one of the linear moving members extends in the lateral direction. It is also possible that the end portion slides on the cam and the other end portion along the lateral direction abuts on the engaging portion.
  • the surface of the linear movement member that slides during linear movement makes line contact with a sliding counterpart member. It is also possible to adopt a configuration in which a convex portion is provided.
  • the linear movement member is biased in the first direction, and the linear movement member is the engagement member.
  • the joint portion engages with the engagement receiving portion, it linearly moves in the second direction opposite to the first direction against the biasing force, and presses the first switch that detects the closed state of the door. It can also be configured.
  • a door release mechanism of a heating cooker is the door release mechanism according to any one of the first to seventh aspects, wherein the engagement portion engages the engagement receiving portion to detect the closed state of the door.
  • the second switch is provided so as to be pressed, and the movement of the linear movement member in the first direction is regulated by hitting the linear movement member, so that the linear movement member comes into contact with the sensitive portion of the second switch. It is also possible to adopt a configuration including a locking wall for blocking.
  • a door release mechanism for a heating cooker according to aspect 9 of the present invention is the door release mechanism according to aspect 5, wherein the linear movement member has an end portion on the side that slides with the cam and extends rearward in the sliding direction. It is also possible to have a configuration having a part.
  • a heating cooker includes a cooker main body, a door provided on the cooker main body so as to be openable and closable, and the door release mechanism according to any one of the first to ninth aspects. Characterize.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

L'invention concerne un mécanisme de déverrouillage de porte destiné à un dispositif de chauffage et de cuisson, permettant d'ouvrir rapidement la porte à l'aide d'un moteur à faible couple. Le mécanisme de déverrouillage de porte pour un dispositif de chauffage et de cuisson, dans lequel une partie d'entrée en prise agencée dans une porte entre en prise avec une partie de réception d'entrée en prise agencée sur un corps principal du dispositif de chauffage et de cuisson, permettant ainsi de fermer la porte par rapport au corps principal du dispositif de cuisson, comprend : un moteur agencé dans le corps principal du dispositif de chauffage et de cuisson ; une came agencée dans le corps principal du dispositif de chauffage et de cuisson et entraînée en rotation par le moteur ; et un élément à déplacement linéaire agencé dans le corps principal du dispositif de chauffage et de cuisson et pouvant être déplacé linéairement dans une première direction au moyen de la rotation de la came, déplaçant ainsi la partie d'entrée en prise dans la direction de désaccouplement de l'entrée en prise avec la partie de réception d'entrée en prise.
PCT/JP2020/005930 2019-02-21 2020-02-17 Mécanisme de déverrouillage de porte pour dispositif de chauffage et de cuisson, et dispositif de chauffage et de cuisson associé WO2020170993A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20760154.3A EP3929491A4 (fr) 2019-02-21 2020-02-17 Mécanisme de déverrouillage de porte pour dispositif de chauffage et de cuisson, et dispositif de chauffage et de cuisson associé
JP2021501961A JPWO2020170993A1 (fr) 2019-02-21 2020-02-17

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-029568 2019-02-21
JP2019029568 2019-02-21

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Publication Number Publication Date
WO2020170993A1 true WO2020170993A1 (fr) 2020-08-27

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PCT/JP2020/005930 WO2020170993A1 (fr) 2019-02-21 2020-02-17 Mécanisme de déverrouillage de porte pour dispositif de chauffage et de cuisson, et dispositif de chauffage et de cuisson associé

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EP (1) EP3929491A4 (fr)
JP (1) JPWO2020170993A1 (fr)
WO (1) WO2020170993A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114635604A (zh) * 2022-03-31 2022-06-17 广东美的厨房电器制造有限公司 联锁结构和烹饪器具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002267177A (ja) * 2001-03-09 2002-09-18 Matsushita Electric Ind Co Ltd 高周波加熱装置
JP5485167B2 (ja) 2007-12-21 2014-05-07 パナソニック マニファクチュアリング ユーケイ リミテッド 家電製品の制御された開扉
JP2018185070A (ja) * 2017-04-24 2018-11-22 シャープ株式会社 加熱調理器
JP2019029568A (ja) 2017-08-01 2019-02-21 株式会社サイオクス 半導体積層物の製造方法および窒化物結晶基板の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875372A (en) * 1974-02-01 1975-04-01 Tappan Co Control circuit for a self-cleaning oven
US7556033B2 (en) * 2003-07-16 2009-07-07 Lg Electronics Inc. Door opening and closing system in electric oven
KR101367907B1 (ko) * 2012-05-10 2014-03-03 (주)엔티텍 도어 잠금 장치
EP3091153B1 (fr) * 2015-05-07 2019-10-23 Electrolux Appliances Aktiebolag Dispositif de verrouillage pour une porte d'un appareil ménager

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002267177A (ja) * 2001-03-09 2002-09-18 Matsushita Electric Ind Co Ltd 高周波加熱装置
JP5485167B2 (ja) 2007-12-21 2014-05-07 パナソニック マニファクチュアリング ユーケイ リミテッド 家電製品の制御された開扉
JP2018185070A (ja) * 2017-04-24 2018-11-22 シャープ株式会社 加熱調理器
JP2019029568A (ja) 2017-08-01 2019-02-21 株式会社サイオクス 半導体積層物の製造方法および窒化物結晶基板の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3929491A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114635604A (zh) * 2022-03-31 2022-06-17 广东美的厨房电器制造有限公司 联锁结构和烹饪器具

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