WO2021098315A1 - 盖体及烹饪器具 - Google Patents

盖体及烹饪器具 Download PDF

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Publication number
WO2021098315A1
WO2021098315A1 PCT/CN2020/110805 CN2020110805W WO2021098315A1 WO 2021098315 A1 WO2021098315 A1 WO 2021098315A1 CN 2020110805 W CN2020110805 W CN 2020110805W WO 2021098315 A1 WO2021098315 A1 WO 2021098315A1
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WO
WIPO (PCT)
Prior art keywords
cover
state
clamping mechanism
lock
transmission member
Prior art date
Application number
PCT/CN2020/110805
Other languages
English (en)
French (fr)
Inventor
陈伟
夏鹏
李振合
孔进喜
王俊
程志斌
陈礼昌
刘子龙
安卉
Original Assignee
珠海格力电器股份有限公司
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Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2021098315A1 publication Critical patent/WO2021098315A1/zh

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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
    • A47J27/0804—Locking devices
    • A47J27/0806—Locking devices of the bayonet-type

Definitions

  • This application relates to the technical field of household appliances, in particular to covers and cooking appliances.
  • Cooking appliances are used to process food, including rice cookers and pressure cookers.
  • a cooking appliance includes a pot body and a lid body, and the lid body can be opened and closed relative to the pot body.
  • a cooking space is formed between the lid body and the pot body.
  • the cooking appliance works, the pressure in the cooking space increases, which may cause the lid body to open abnormally.
  • a cover body including:
  • the heat preservation cover plate is detachably arranged on the side of the upper cover facing the inner pot in the pot body;
  • the driving assembly, the clamping mechanism and the lock catch are all provided on the upper cover, and the clamping mechanism clamps the closed state of the inner pot and the heat-preserving cover plate under the action of the driving assembly, and Allowing the inner pot and the heat-preserving cover plate to be switched between the open state where the cover is separated;
  • lock catch is driven by the drive assembly to maintain the clamping mechanism in the locked state of the closed state and the unlocked state that allows the clamping mechanism to switch to the open state Switch between.
  • the lock locks the clamping mechanism; when the clamping mechanism needs to be switched to the open state, the lock allows the clamping mechanism to move and allows the lid opening operation. In this way, when the clamping mechanism is in the closed state, the lid and the pot are locked, and the clamping mechanism in the closed state is further locked by the lock catch to prevent the clamping mechanism from opening the lid to perform multiple locking of the lid. , To prevent abnormal opening of the cover.
  • the driving assembly includes a driving part and a transmission part arranged between the driving part and the lock catch, and the transmission part is reciprocated linearly in a first direction under the action of the driving part. Movement, the lock catch is driven by the transmission member to switch between the locked state and the unlocked state in a second direction that intersects the first direction.
  • the side of the transmission member facing the lock catch is provided with a boss protrudingly along the second direction, and the side of the lock catch facing the transmission member is provided with a matching portion;
  • the clamping mechanism includes a first claw and a second claw that move in a direction toward and away from each other along the first direction, the first claw and the second claw Move toward each other and both clamp the heat preservation cover and the inner pot, or the first and second claws move away from each other and are both connected to the heat preservation cover and the inner pot. Separate the inner pot;
  • the drive assembly further includes a linkage member, the transmission member is provided between the drive member and the linkage member, and the first claw and the second claw are respectively connected to The transmission member and the linkage member are in transmission connection;
  • the transmission member is driven by the driving member to reciprocate, and drives the linkage member to reciprocate in a direction opposite to the direction of movement of the transmission member.
  • the drive assembly further includes a gear, the gear is provided between the transmission member and the linkage member, and the transmission member and the linkage member are respectively provided with meshes with the gears.
  • the extending directions of the first rack and the second rack are the same.
  • the transmission member is further provided with a driving rack, the extending direction of the driving rack is parallel to the extending direction of the first rack, and the output end of the driving member is provided with The driving rack meshes with the driving gear of the transmission.
  • the lock buckle is in the locked state while still in the buckled state that is buckled with the fixing buckle of the pot body; the lock buckle is in the unlocked state while still in the buckling state with the fixed buckle.
  • the state of buckle separation is
  • a hook is provided on the lock buckle, and the hook is selectively buckled with or separated from the fixed buckle.
  • two sides of the first claw and the second claw facing each other are respectively provided with a first locking portion and a second locking portion, and the lock catch is provided with a slot;
  • the first locking portion and the second locking portion are embedded in the slot, and are aligned with the inner wall of the slot along the first direction Limit abutment;
  • the card slot is separated from the first locking portion and the second locking portion.
  • a power-off and lid-opening mechanism is also included.
  • the power-off and lid-open mechanism includes a backup drive member and a backup transmission member.
  • the backup transmission member is sleeved on the output shaft of the drive member, and the backup drive
  • the part is in transmission connection with the spare transmission part and cooperates with the lid opening tool to transmit the rotational movement output by the lid opening tool to the spare transmission member.
  • the application also provides a cooking appliance, including the above-mentioned cover.
  • FIG. 1 is a schematic structural diagram of a cooking appliance in a state in an embodiment of the application
  • Fig. 2 is a schematic structural diagram of the cooking appliance shown in Fig. 1 in another state;
  • Fig. 3 is a schematic cross-sectional view of the cooking appliance shown in Fig. 1 in one direction;
  • Fig. 4 is a schematic structural diagram of the cooking appliance shown in Fig. 1 in another state;
  • Fig. 5 is a schematic cross-sectional view of the cooking appliance shown in Fig. 4 in one direction;
  • Fig. 6 is a schematic partial cross-sectional view of the cooking appliance shown in Fig. 1;
  • Fig. 7 is a schematic diagram of the structure of the transmission member and the pressure regulating member in the cooking appliance shown in Fig. 1;
  • Fig. 8 is a schematic diagram of the structure of the lock in the cooking appliance shown in Fig. 1;
  • Fig. 9 is a schematic structural diagram of a guide rail in the cooking appliance shown in Fig. 1;
  • Figure 10 is a schematic cross-sectional view of the cooking appliance shown in Figure 2;
  • Fig. 11 is a schematic cross-sectional view of the cooking appliance of Fig. 4 in one direction;
  • Fig. 12 is a schematic cross-sectional view of the cooking appliance shown in Fig. 4 in another direction;
  • Fig. 13 is a schematic cross-sectional view of the cooking appliance shown in Fig. 4 in another direction;
  • Fig. 14 is a schematic cross-sectional view of the cooking appliance shown in Fig. 1 in another direction;
  • FIG 15 is a partial enlarged schematic view of the cooking appliance shown in Figure 14;
  • Figure 16 is a schematic structural diagram of a linkage in the cooking appliance shown in Figure 1;
  • FIG 17 is a partial structural diagram of the cooking appliance shown in Figure 2;
  • Fig. 18 is a schematic structural view of the cooking appliance shown in Fig. 1 in another direction;
  • Figure 19 is a schematic partial cross-sectional view of the cooking appliance shown in Figure 18;
  • Fig. 20 is a structural diagram of a lid opening tool matched with the cooking appliance shown in Fig. 18.
  • a cooking appliance 200 which includes a pot body 210, an inner pot 220 sheathed in the pot body 210, and a lid body 100.
  • the cover 100 includes an upper cover 10 and a heat-preserving cover 20 detachably disposed on the upper cover 10.
  • the upper cover 10 and the pot body 210 can be opened and closed to open or close the pot body 210.
  • the heat preservation cover plate 20 can be placed on the inner pot 220 and form a cooking space with the inner pot 220, so that the cooking space can be used to process food.
  • the pot body 210 is provided with a lid opening button (not shown) and a lid closure assembly (not shown).
  • the lid closure assembly is used to buckle the lid body 100 and the pot body 210, and the lid opening button is used to drive the lid closure assembly and The cover 100 is detached, allowing the cover 100 to open.
  • the cover 100 further includes a driving assembly 30 and a locking mechanism 50 that are both provided on the upper cover 10.
  • the locking mechanism 50 includes a lock 52, which is under the action of the driving assembly 30, Switch between the buckled state of being buckled with the fixing buckle 211 of the pot body 210 and the separated state of being separated from the fixing buckle 211.
  • the lid 100 and the pot 210 can be locked by the locking mechanism 50 to prevent the pot 210 from being opened abnormally . That is to say, the locking mechanism 50 provides secondary locking.
  • the locking mechanism 50 can also prevent the lid 100 from being opened abnormally and prevent the operator from being exposed to high-pressure gas. Burns.
  • the lock buckle 52 cooperates with the drive assembly 30 for transmission, and the lock buckle 52 is provided with a hook 51, and the hook 51 can be selectively buckled or separated with the fixing plate 211 of the pot body 210 so that the lock buckle 52 corresponds to Is in the buckled state or separated state.
  • the driving assembly 30 includes a driving part 32 and a transmission part 34 arranged between the driving part 32 and the lock catch 52.
  • the transmission part 34 reciprocates linearly in a first direction under the action of the driving part 32.
  • the lock catch 52 is located on the transmission part 34. Drive the lower edge to switch between the buckled state and the separated state in a second direction that intersects the first direction. In this way, the lock catch 52 is driven to move in the second direction by the transmission member 34 moving in the first direction, so that the working state of the lock catch 52 is switched.
  • the transmission member 34 moves in the first direction, it can drive other components to move in the first direction.
  • the transmission member 34 can drive the lock catch 52 to move in the second direction, and the transmission member 34 can also drive other components (such as the clamping mechanism 70 and the adjustment mechanism described later).
  • the pressing member 38 moves in the first direction, and multiple components are driven by the same driving member 32, which saves driving sources.
  • the transmission member 34 is provided with a driving rack 35 extending in the first direction
  • the output end of the driving member 32 is provided with a driving gear 321 that engages with the driving rack 35 for transmission.
  • the driving rack 35 meshed with the driving gear 321 will slide along the extending direction of the driving rack 35, thereby driving the transmission member 34 to slide in the first direction.
  • the side of the transmission member 34 facing the lock catch 52 is protrudingly provided with a boss 341 along the second direction, and the side of the lock catch 52 facing the transmission member 34 is provided with a mating 522;
  • the boss 341 moves in the first direction to abut against the mating portion 522, and pushes the mating portion 522 and the lock 52 to move in the second direction to escape the fixed buckle 211;
  • the lock 52 In the buckled state, the boss 341 moves along the second direction to separate from the mating portion 522, allowing the mating portion 522 and the lock buckle 52 to move along the second direction to buckle with the fixed buckle 211.
  • a boss 341 protruding in the second direction is provided on the transmission member 34, and a mating portion 522 located on the movement path of the boss 341 is provided on the lock catch 52.
  • the boss 341 slides to abut the mating portion 522 At this time, the mating portion 522 and the lock buckle 52 are pushed to move in the second direction, so that the lock buckle 52 moves away from the transmission member 34 in the second direction, and then moves away from the fixing buckle 211 in the pot body 210 to the fixed buckle.
  • the lock buckle 52 is at least partially stacked on the transmission member 34, the side of the transmission member 34 facing the lock buckle 52 is protrudingly provided with a boss 341, and the side of the lock buckle 52 facing the transmission member 34 is protrudingly provided with a protruding boss 341.
  • the locking mechanism 50 further includes a guide rail 54 and an elastic member 56.
  • the guide rail 54 extends along the second direction.
  • the lock catch 52 is slidably sleeved on the guide rail 54, and the elastic member 56 abuts against the lock.
  • the elastic potential energy that drives the buckle 52 to switch to the locked position is stored.
  • the lock buckle 52 is pushed by the protrusion on the transmission member 34 to move away from the transmission member 34 in the second direction.
  • the lock 52 is provided with a sliding groove 521 (as shown in FIG. 2), and the guide rail 54 has a guide portion 541 protrudingly provided in the sliding groove 521 (as shown in FIGS. 2 and 9), and the lock 52 passes The sliding groove 521 slides in the second direction along the guide portion 541, and the elastic member 56 abuts between the guide portion 541 and the inner wall of the sliding groove 521 in the second direction.
  • the guide portion 541 of the guide rail 54 can extend into the sliding groove 521, and an elastic member 56 can be assembled between the inner wall of the sliding groove 521 and the guide portion 541.
  • the elastic member 56 makes the lock Buckle 52 reset.
  • the cooking appliance 200 further includes a clamping mechanism 70 provided on the upper cover 10.
  • the clamping mechanism 70 clamps the inner pot 220 and the heat preservation cover 20 under the action of the drive assembly 30. Switch between the closed state of the lid and the open state of allowing the insulation cover 20 to be separated from the inner pot 220.
  • the pressure in the cooking space rises, and the heat-preserving cover 20 bears greater air pressure.
  • the holding mechanism 70 locks the heat-preserving cover 20 and the inner pot 220 to prevent the cover 100 from being abnormal under high pressure. Open the lid.
  • the clamping mechanism 70 includes a first claw 72 and a second claw 74 that move toward and away from each other.
  • the first claw 72 and the second claw 74 move toward each other and both clamp the thermal insulation cover 20 and
  • the inner pot 220 or the first claw 72 and the second claw 74 move in directions away from each other and are separated from the heat preservation cover 20 and the inner pot 220.
  • the first pawl 72 and the second pawl 74 are oppositely arranged on the upper cover 10.
  • the first pawl 72 and the second pawl 74 move in a direction approaching each other, the first pawl 72 and the second pawl 74 Close to the edges of the heat preservation cover 20 and the inner pot 220 respectively, the heat preservation cover 20 and the inner pot 220 can be clamped; when the first claw 72 and the second claw 74 move away from each other, the first claw 72 The second pawl 74 and the second claw 74 are respectively away from the edge of the heat preservation cover 20 and the inner pot 220, allowing the heat preservation cover 20 and the inner pot 220 to be separated.
  • the first claws 72 and the second claws 74 are distributed along the first direction, and when the transmission member 34 reciprocates linearly in the first direction under the action of the driving member 32, the first claws 72 can be driven. And the second pawl 74 is close to or away from each other in the first direction.
  • the drive assembly 30 further includes a linkage member 36, the transmission member 34 is provided between the drive member 32 and the linkage member 36, the first pawl 72 and the second pawl 74 They are respectively connected to the transmission member 34 and the linkage member 36 in transmission; wherein the transmission member 34 is driven by the drive member 32 to move repeatedly, and drives the linkage member 36 to reciprocate in the direction opposite to the direction of movement of the transmission member 34.
  • the driving member 32 drives the transmission member 34 to move in the first direction
  • the moving transmission member 34 can simultaneously drive the linkage member 36 to move in a direction opposite to the movement direction of the transmission member 34.
  • the linkage member 36 when the transmission member 34 moves to the left, the linkage member 36 is driven to move to the right; at the same time, when the first pawl 72 moves to the left under the drive of the transmission member 34, the second pawl 74 is at The linkage 36 drives the downward movement to the right, and the two move in directions away from each other, and both are separated from the inner pot 220 and the heat preservation cover plate 20.
  • the drive assembly 30 also includes a linkage gear 37.
  • the transmission member 34 and the linkage member 36 are stacked.
  • the linkage gear 37 is arranged between the transmission member 34 and the linkage member 36, and the transmission member 34 and the linkage member 36 face each other on two surfaces.
  • a first rack 343 (as shown in FIG. 7) and a second rack 361 (as shown in FIG. 9) are respectively provided for meshing transmission with the linkage gear 37, which is equivalent to the first rack 343 meshing with one side of the linkage gear 37 for transmission ,
  • the second rack 361 meshes with the other side of the linkage gear 37 relative to the first rack 343 for transmission.
  • the extending directions of the first rack 343 and the second rack 361 are the same, that is, the first rack 343 and the second rack 361 are both extended along the first direction.
  • the first rack 343 also moves away from the second pawl 74, and at the same time drives the linkage gear 37 to rotate, and then drives the second gear through the linkage gear 37
  • the bar 361 and the linkage member 36 move in a direction opposite to the moving direction of the transmission member 34, that is, the linkage member 36 is driven to move away from the first pawl 72, so that the first pawl 72 and the second pawl 74 can be moved away from each other.
  • the linkage gear 37 can drive the linkage member 36 to move closer to the first pawl 72, so that the second pawl 72 can be driven.
  • a pawl 72 and a second pawl 74 are close to each other.
  • the lock 52 is driven by the drive assembly 30 to maintain the clamping mechanism 70 in the locked state of the closed state and allow the clamping mechanism 70 to switch to the open state. Switch between the unlocked states.
  • the lock catch 52 locks the clamping mechanism 70; when the clamping mechanism 70 needs to be switched to the lid open state, the lock catch 52 allows the clamping mechanism 70 to move, allowing the lid opening operation.
  • the first pawl 72 and the second pawl 74 are locked to prevent the first pawl 72 and the second pawl 74 from moving away from each other, so that the clamping mechanism 70 is maintained In the lid state; when the lock catch 52 is in the unlocked state, the locking of the first pawl 72 and the second pawl 74 is released, allowing the first pawl 72 and the second pawl 74 to move away from each other, allowing the clamping
  • the holding mechanism 70 is switched to the lid-opening state, and the lid-opening operation is performed.
  • first locking portion 721 and a second locking portion 741 are respectively provided with a first locking portion 721 and a second locking portion 741
  • the lock catch 52 is provided with a slot 53.
  • the second locking part 741 prevents the first locking part 721 and the second locking part 741 from moving in a direction separating from each other, locks the closed state of the clamping mechanism 70, and prevents the clamping mechanism 70 from being abnormally switched to open due to the high pressure in the pot. Cover state.
  • the clamping mechanism 70 is in the open state, the card slot 53 is separated from the first locking part 721 and the second locking part 741, allowing the first locking part 721 and the second locking part 741 to move away from each other, thereby allowing the first card to move away from each other.
  • the pawl 72 and the second pawl 74 are away from each other to perform the lid opening action.
  • first pawl 72 and the second pawl 74 are respectively stacked on the transmission member 34 and the linkage member 36, the transmission member 34 is in transmission connection with the driving member 32, and the lock catch 52 is close to one end of the driving member 32 in the second direction.
  • a card slot 53 is opened, and the opening of the card slot 53 faces the first locking portion 721 and the second locking portion 741 in the closed state.
  • the first locking portion 721 and the second locking portion 741 are opposed to each other, and the width of the slot 53 is equal to that of the first locking portion 721 and the second locking portion 741 in the first direction.
  • the first locking portion 721 and the second locking portion 741 can be embedded in the slot 53 at the upper limit in the first direction.
  • the driving mode of the lock buckle 52 switching between the locked state and the unlocked state is the same as the driving mode of the lock buckle 52 switching between the buckled state and the disengaged state.
  • the lock catch 52 When the transmission member 34 is driven by the driving member 32 to reciprocate linearly in the first direction, the lock catch 52 is driven by the transmission member 34 to switch between the locked state and the unlocked state in a second direction that intersects the first direction.
  • the transmission mode between the buckle 52 and the transmission member 34 is the same as that described above. It is also through the abutment and separation of the boss 341 provided on the transmission member 34 protruding in the second direction and the mating portion 522 provided on the lock buckle 52.
  • the lock catch 52 moves in the second direction to switch the mating state with the clamping mechanism 70, so that the lock catch 52 is switched between the locked state and the unlocked state.
  • the boss 341 moves in the first direction to separate from the mating portion 522, allowing the lock catch 52 to move closer to the clamping mechanism 70 in the second direction to lock the clamping mechanism 70;
  • the boss 341 moves in the first direction to abut against the mating portion 522, and pushes the lock catch 52 to move away from the clamping mechanism 70 in the second direction, so as to unlock the clamping mechanism 70.
  • the lock buckle 52 can have a buckled state that is buckled with the fixed buckle 211 of the pot body 210 and a separated state that is separated from the fixed buckle 211, and can lock the lid body 100 and the pot body 210.
  • the lock 52 may also have a locked state for locking the clamping mechanism 70 in the closed state and an unlocked state that allows the clamping mechanism 70 to be switched to the open state.
  • the clamping mechanism 70 in the closed state can be adjusted by the lock 52. Lock it to prevent accidental opening of the cover.
  • the lock buckle 52 can also have both a buckled state and a locked state, as well as a separated state and an unlocked state, that is, the lock buckle 52 is buckled with the fixed buckle 211 to lock the lid 100 and the pot body 210, and the lock buckle 52 also clamps Tighten the clamping mechanism 70 to lock the clamping mechanism 70 in the closed state, prevent the clamping mechanism 70 from being abnormally switched to the open state, and prevent the lid body 100 from being opened abnormally.
  • Such multiple locking of the lid ensures the reliability of the cooking appliance 200 during high-pressure operation.
  • the lock buckle 52 unlocks the clamping mechanism 70, allowing the clamping mechanism 70 to switch to the open state, and the lock buckle 52 is also separated from the fixing buckle 211, allowing the cover 100 to be opened.
  • the lock buckle 52 is in the locked state while still in the locked state, and the lock buckle 52 is in the separated state while still in the unlocked state, that is, the lock buckle 52 cooperates with the clamping mechanism 70 and is also in the pot body 210.
  • opposite ends of the lock buckle 52 along the second direction are respectively provided with a hook 51 and a groove 53.
  • the locking portion 741 enables the lock buckle 52 to buckle with the fixing buckle 211 and also lock the first pawl 72 and the second pawl 74; when the hook 51 is separated from the fixing buckle 211, the slot 53 is separated from the first locking portion 721 And the second locking portion 741, so that the lock catch 52 cancels the locking of the first claw 72 and the second claw 74, and is also separated from the fixed catch 211.
  • the lid body 100 can be double-locked behind the box lid by one part of the lock buckle 52.
  • the lock catch 52 includes a first lock catch 521 and a second lock catch 523.
  • the first lock catch 521 and the second lock catch 523 are distributed and fixedly connected along the second direction, and the first lock catch 521 is far away from the second lock catch.
  • One end of the lock buckle 523 has a hook 51 that is buckled with the fixing plate 211 in the pot body 210, and an end of the second lock buckle 523 away from the first lock buckle 521 is provided with a slot 53 with an opening facing away from the first lock buckle 521, and
  • the first lock catch 521 is provided with a sliding groove 521 allowing the guide portion 541 of the guide rail 54 to extend in.
  • the first lock catch 521 and the second lock catch 523 may also be integrally provided, which is not limited here.
  • the width of the lock catch 52 in the first direction is greater than the maximum distance between the first clamping jaw 72 and the second clamping jaw 74 in the first direction.
  • the lock catch 52 moves in the direction closer to the first clamping jaw 72 and the second clamping jaw 74, and because the lock catch 52 has a larger width, it can be It abuts with the spaced first clamping jaw 72 and the second clamping jaw 74 to prevent the lock catch 52 from moving too much, until the first clamping jaw 72 and the second clamping jaw 74 move into position when the lock slot 53 of the lock catch 52 corresponds to the first
  • a locking portion 721 and a second locking portion 741 can allow the lock buckle 52 to continue to move to the slot 53 to be embedded with the first locking portion and the second locking portion to complete the cover closing work of the clamping mechanism 70 and the lock buckle 52 Locking work.
  • a floating gap is reserved between the thermal insulation cover 20 and the upper cover 10 to allow the thermal insulation cover 20 to float, and the clamping mechanism 70 in the closed state can be opposed to the upper cover 10 under the push of the thermal insulation cover 20. float.
  • the drive assembly 30 drives the clamping mechanism 70 to switch from the open state to the closed state, and the heat preservation cover plate 20 clamped by the clamping mechanism 70 floats in the floating gap under the action of the high pressure in the pot, and at the same time
  • the clamping mechanism 70 is pushed to float, so that the floating of the thermal insulation cover 20 is transmitted to the clamping mechanism 70, the thermal insulation cover 20 will not squeeze the upper cover 10 when it is floating, and prevent the upper cover 10 from being squeezed and deformed by the thermal insulation cover 20 .
  • the lock catch 52 floats synchronously with the heat preservation cover 20.
  • the lock catch 52 also floats synchronously, thereby causing the lock catch 52 and the clamping mechanism 70 to float synchronously. It can always cooperate with each other to prevent the clamping mechanism 70 from being misaligned with the lock catch 52 after floating, so that the lock catch 52 always has a locking function for the floating clamping mechanism 70.
  • the cover 100 further includes a floating plate 60 and a top rod 62.
  • the floating plate 60 is provided between the upper cover 10 and the lock 52, and the upper cover 10 is provided on the thermal insulation cover 20 and the floating plate 60.
  • the top rod 62 penetrates the upper cover 10 and abuts between the thermal insulation cover plate 20 and the floating plate 60.
  • the thermal insulation cover plate 20 floats
  • the top rod 62 is pushed by the thermal insulation cover plate 20 and lifts up the floating plate 60, so that the floating plate 60 floats with the floating of the thermal insulation cover plate 20, thereby causing the floating plate 60 to float.
  • the lock catch 52 floats synchronously with the heat preservation cover 20 and the clamping mechanism 70.
  • the upper cover 10 is provided with a through hole, the top rod 62 passes through the through hole, and one end of the top rod 62 close to the floating plate 60 is clamped on the top cover 10 so that the top rod 62 can be floated and assembled with the top cover 10.
  • the floating plate 60 is provided with a pushing portion 61 that is matched with the ejector rod 62, the pushing portion 61 is provided with a matching groove on the side facing the upper cover 10, and the end of the ejecting rod 62 near the floating plate 60 is inserted into the matching groove, It can abut against the inner wall of the matching groove to push the floating plate 60 to float.
  • the ejector rod 62 and the ejector portion 61 are symmetrically arranged in multiple groups, and are respectively arranged around the floating plate 60 to push the floating plate 60 up from multiple points, so that the floating range of each position of the floating plate 60 is uniform.
  • the guide rail 54 for guiding the lock catch 52 is fixed on the floating plate 60, the lock catch 52 is slidably sleeved on the guide rail 54, and the guide rail 54 and the lock catch 52 float synchronously.
  • the cover body 100 also includes a pressure valve 80, which, under the action of the drive assembly 30, opens the pressure relief state of the exhaust port on the cover body 100 and closes the cover body 100 Switch between the pressure accumulation state of the upper exhaust port.
  • the pressure valve 80 is assembled on the cover 100 to open and close the exhaust port.
  • the pressure in the pot 210 cannot be discharged to the outside, and the pressure in the pot 210 gradually increases. It is in a state of accumulating pressure; when the exhaust port is opened by the pressure valve 80, the pressure in the pot 210 can be discharged through the exhaust port, the pressure in the pot 210 is gradually reduced, and it is in a pressure relief state.
  • the drive assembly 30 can not only drive the clamping mechanism 70 and/or the lock 52 to move, but can also drive the pressure valve 80 to move to perform pressure regulation.
  • the pressure valve 80 can be in a pressure accumulating state to pressurize the inside of the cooking appliance 200 after the lid is closed; that is, when the internal pressure of the cooking appliance 200 increases, the clamping The mechanism 70 clamps the thermal insulation cover plate 20 and the inner pot 220, and locks the lid body 100 to prevent the lid body 100 from being opened abnormally when the pressure in the pot body 210 increases.
  • the pressure valve 80 can be in a pressure relief state, so that when the pressure inside the pot 210 is released, the lid can be opened to prevent the high pressure airflow in the pot 210 from flowing out when the lid is opened. And burn the operator.
  • the drive assembly 30 also includes a pressure regulating member 38 connected to the transmission member 34 and moved synchronously.
  • the transmission member 34 reciprocates under the drive of the driving member 32
  • the linkage member 36 is driven to reciprocate in a direction opposite to the direction of movement of the transmission member 34.
  • the first claw 72 and the second claw 74 are driven to move toward and away from each other, so that the clamping mechanism 70 is switched between the box cover state and the open state.
  • the pressure regulating member 38 connected to the transmission member 34 also reciprocates, which can drive the pressure valve 80 to switch between the pressure accumulation state and the pressure relief state to perform pressure regulation work.
  • the valve stem of the pressure regulating valve 80 and the clamping mechanism 70 move asynchronously.
  • the valve stem of the pressure regulating valve 80 moves under the action of the pressure regulating member 58, the pressure in the pot body 210 changes, and the pressure regulating work is performed;
  • the clamping mechanism 70 moves under the action of the transmission member 54 and the linkage member 56, the clamping The holding mechanism 70 is switched between the lid state and the lid open state.
  • the pressure regulating member 58 is connected to the transmission member 54 and moves synchronously.
  • the linkage member 56 is driven by the transmission member 54 to move in the opposite direction with the transmission member 54 at the same time.
  • the pressure regulating member 58 drives the valve stem of the pressure valve 80 during the movement of the pressure regulating member 58. Intermittent lifting.
  • the clamping mechanism 70 is driven to open and close intermittently during the movement of the transmission member 54 and the linkage member 56, and the time period of the opening and closing action of the clamping mechanism 70 is staggered with the time period of the valve stem in the pressure valve 80.
  • the asynchronous movement of the clamping mechanism 70 and the valve stem prevents the pressure adjustment work and the lid opening and closing work from interacting with each other, prevents the drive assembly 50 from driving the clamping mechanism 70 to switch to the lid opening state while adjusting the pressure, and ensures the safety performance of the cooking appliance.
  • the pressure regulating member 38 includes an inclined surface 381 and a horizontal plane 383 distributed along its moving direction; when the inclined surface 381 fits and abuts on the stem of the pressure valve 80, the clamping mechanism 70 remains stationary. At this time, only the pressure regulating work is performed, and the pressure regulating work is not performed.
  • the opening and closing of the lid is switched to prevent safety problems caused by sudden opening of the lid when the pressure in the pot changes; when the horizontal plane 383 is in contact with the valve stem of the pressure valve 80, the valve stem will remain motionless without pressure in the direction of its own gravity. The pressure in the pot will not change suddenly. At this time, the clamping mechanism 70 will switch the working state, and the clamping mechanism 70 will not be impacted by the sudden change in pressure during the switching process, which is relatively safe and reliable.
  • the transmission member 34 includes a first linkage portion 33 provided on the pressure regulating member 38, the linkage member 36 has a second linkage portion 362; a first pawl 72 and a second pawl 74 A first sliding groove 722 and a second sliding groove 742 are respectively opened, and the first linkage portion 33 and the second linkage portion 362 are slidably disposed in the first sliding groove 722 and the second sliding groove 742, respectively.
  • the pressure regulating member 38 and the transmission member 34 move synchronously and perform pressure regulating work, but the first linkage Part 33 and the second linkage part 362 are not transmitted with the first claw 72 and the second claw 74, respectively, the first claw 72 and the second claw 74 remain stationary, only when the first linkage part 33 and the second claw
  • the two linkage parts 362 respectively abut the inner walls of the first sliding groove 722 and the second sliding groove 742 in the first direction, they drive the first claw 72 and the second claw 74 to move, and the clamping mechanism 70 can remain stationary.
  • the pressure regulating member 38 is allowed to perform pressure regulating work within the period of time, so as to realize the asynchronous operation of pressure regulating and lid opening and closing, and improve the safety performance of the cooking appliance 200.
  • the lengths of the first sliding groove 722 and the second sliding groove 742 in the moving direction (first direction) of the transmission member are the same, so that the first pawl 72 and the second pawl 74 can move at the same time and lock or lock at the same time.
  • the lengths of the first chute 722 and the second chute 742 in the first direction are both greater than or equal to the length of the inclined section in the first direction.
  • the lock 52 When the pressure regulating member 38 drives the pressure valve 80 in the accumulating state under the action of the driving member 32, the lock 52 is in the buckled state under the action of the transmission member 34, so that when the lid body 100 is buckled with the pot body 210, The pressure accumulating operation is carried out to prevent safety problems; when the pressure regulating member 38 drives the pressure valve 80 to be in a pressure relief state under the action of the drive member 32, the lock 52 is in a separated state under the action of the transmission member 34, so that after the pressure is relieved The lid body 100 is allowed to separate from the pot body 210 to prevent the lid from being opened directly when the pressure is not released.
  • the cover body 100 also includes a power-off opening mechanism 90.
  • the power-off opening mechanism 90 includes a spare drive 92 and a spare drive 94.
  • the spare drive 94 is sleeved on the output shaft of the drive 32.
  • the spare drive 92 is connected to the spare drive 94 and cooperates with the opening tool 230 to transmit the rotational movement output by the opening tool 230 to the spare drive 94; that is, when the lid opening tool 230 is manually rotated, the spare drive can be driven
  • the rotation of 92 and the backup transmission member 94 drives the output shaft of the driving member 32 to rotate, and the driving assembly 30 can be moved normally to unlock the locking mechanism 50 and the clamping mechanism 70, allowing the cooking appliance 200 to be opened even when the power is cut off.
  • the spare driver 92 has a mating hole 921 that is matched with the cap opening tool 230.
  • the cross section of the mating hole 921 corresponds to the cross section of the mating end 231 of the cap opening tool 230, and both are set in a non-circular shape to prevent the operator When the lid opening tool 230 is rotated, the butting end 231 of the lid opening tool 230 slips in the mating hole 921 so that the lid opening tool 230 can reliably drive the backup driving member 92 to rotate.
  • lid body 100 which can lock the lid body 100 and the pot body 210 multiple times, and can also perform pressure adjustment work.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

一种烹饪器具及盖体，盖体包括上盖（10）；保温盖板（20），可拆卸地设置于上盖（10）面向锅体（210）中内锅（220）的一侧；驱动组件（30）、夹持机构（70）和锁扣（52），夹持机构（70）在驱动组件（30）的作用下于卡持内锅（220）和保温盖板（20）的合盖状态、和允许内锅（220）及保温盖板（20）分离的开盖状态之间切换；其中，锁扣（52）在驱动组件（30）的驱动下，于使夹持机构（70）维持于合盖状态的锁定状态、和允许夹持机构（70）切换至开盖状态的解锁状态之间切换。夹持机构（70）处于合盖状态时，锁合盖体（10）和锅体（220），并且通过锁扣（52）进一步锁紧处于合盖状态的夹持机构（70），防止夹持机构（52）开盖，以对盖体（10）进行多重锁合，防止盖体（10）异常开启。

Description

盖体及烹饪器具
相关申请
本申请要求2019年11月18日申请的，申请号为201911124992.8，名称为“盖体及烹饪器具”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及家用电器技术领域，特别是涉及盖体及烹饪器具。
背景技术
烹饪电器用于加工食物，包括电饭煲、压力煲等种类。一般地，烹饪电器包括锅体和盖体，盖体相对锅体可开合设置。当盖体盖设于锅体上时，盖体与锅体之间形成烹饪空间，烹饪电器工作时，烹饪空间内的压力升高，可能会导致盖体异常开启。
发明内容
基于此，有必要针对提供一种防止异常开启的盖体。
一种盖体，包括：
上盖；
保温盖板，可拆卸地设置于所述上盖面向锅体中内锅的一侧；以及
驱动组件、夹持机构和锁扣，均设于所述上盖，所述夹持机构在所述驱动组件的作用下于卡持所述内锅和所述保温盖板的合盖状态、和允许所述内锅及所述保温盖板分离的开盖状态之间切换；
其中，所述锁扣在所述驱动组件的驱动下，于使所述夹持机构维持于所述合盖状态的锁定状态、和允许所述夹持机构切换至所述开盖状态的解锁状态之间切换。
上述盖体中，当夹持机构处于合盖状态时，锁扣锁紧夹持机构；当夹持机构需要切换至开盖状态时，锁扣允许夹持机构运动，允许进行开盖操作。如此，夹持机构处于合盖状态时，锁合盖体和锅体，并且通过锁扣进一步锁紧处于合盖状态的夹持机构，防止夹持机构开盖，以对盖体进行多重锁合，防止盖体异常开启。
在其中一个实施例中，所述驱动组件包括驱动件和设于所述驱动件与所述锁扣之间的传动件，所述传动件在所述驱动件的作用下沿第一方向往复直线运动，所述锁扣在所述传 动件的带动下沿与所述第一方向相交的第二方向在所述锁定状态和所述解锁状态之间切换。
在其中一个实施例中，所述传动件面向所述锁扣的一侧沿所述第二方向凸出设置有凸台，所述锁扣面向所述传动件的一侧设置有配合部；
所述锁扣处于锁定状态时，所述凸台沿所述第一方向移动至与所述配合部分离，允许所述锁扣沿所述第二方向向靠近所述夹持机构移动；
所述锁扣处于所述解锁状态时，所述凸台沿所述第一方向移动至与所述配合部抵接，推动所述锁扣沿第二方向向远离夹持机构移动。
在其中一个实施例中，所述夹持机构包括沿所述第一方向向相互靠近和远离方向移动的第一卡爪和第二卡爪，所述第一卡爪和所述第二卡爪向相互靠近方向移动并均夹持所述保温盖板和所述内锅，或者所述第一卡爪和所述第二卡爪向相互远离方向移动并均与所述保温盖板和所述内锅分离；
所述锁扣处于所述锁定状态时，锁紧所述第一卡爪和所述第二卡爪；所述锁扣处于所述解锁状态时，解除对所述第一卡爪和所述第二卡爪的锁定。
在其中一个实施例中，所述驱动组件还包括联动件，所述传动件设于所述驱动件和所述联动件之间，且所述第一卡爪和所述第二卡爪分别与所述传动件和所述联动件传动连接；
其中，所述传动件在所述驱动件的驱动下往复移动，并带动所述联动件向与所述传动件移动方向相反的方向往复移动。
在其中一个实施例中，所述驱动组件还包括齿轮，所述齿轮设于所述传动件和所述联动件之间，所述传动件和所述联动件上分别设置有与所述齿轮啮合传动的第一齿条和第二齿条；
其中，所述第一齿条和所述第二齿条的延伸方向相同。
在其中一个实施例中，所述传动件上还设置有驱动齿条，所述驱动齿条的延伸方向与所述第一齿条的延伸方向平行，并且所述驱动件的输出端设置有与所述驱动齿条啮合传动的驱动齿轮。
在其中一个实施例中，所述锁扣处于所述锁定状态的同时还处于与锅体的固定扣扣合的扣合状态；所述锁扣处于所述解锁状态的同时还处于与所述固定扣分离的分离状态。
在其中一个实施例中，所述锁扣上设置有卡勾，所述卡勾可选择地与所述固定扣扣合或分离。
在其中一个实施例中，所述第一卡爪和所述第二卡爪相互面对的两面分别设有第一锁定部和第二锁定部，所述锁扣上开设有卡槽；
所述夹持机构处于所述合盖状态时，所述第一锁定部和所述第二锁定部嵌设于所述卡槽内，并均沿所述第一方向与所述卡槽的内壁限位抵接；
所述夹持机构处于开盖状态时，所述卡槽脱离所述第一锁定部和所述第二锁定部。
在其中一个实施例中，还包断电开盖机构，所述断电开盖机构包括备用驱动件和备用传动件，所述备用传动件套设于所述驱动件输出轴，所述备用驱动件与所述备用传动件传动连接，并与开盖工具配合，传递开盖工具输出的旋转运动至所述备用传动件。
本申请还提供一种烹饪器具，包括上述盖体。
附图说明
图1为本申请一实施例中烹饪器具一个状态下的结构示意图；
图2为图1所示烹饪器具另一状态下的结构示意图；
图3为图1所示烹饪器具一个方向的截面示意图；
图4为图1所示烹饪器具又一状态下的结构示意图；
图5为图4所示烹饪器具一个方向的截面示意图；
图6为图1所示烹饪器具的部分截面示意图；
图7为图1所示烹饪器具中传动件和调压件的结构示意图；
图8为图1所示烹饪器具中锁扣的结构示意图；
图9为图1所示烹饪器具中导轨的结构示意图；
图10为图2所示烹饪器具的截面示意图；
图11为图4所述烹饪器具一个方向的截面示意图；
图12为图4所示烹饪器具另一方向的截面示意图；
图13为图4所示烹饪器具又一方向的截面示意图；
图14为图1所示烹饪器具另一方向的截面示意图；
图15为图14所示烹饪器具的局部放大示意图；
图16为图1所示烹饪器具中联动件的结构示意图；
图17为图2所示烹饪器具的部分结构示意图；
图18为图1所示烹饪器具另一方向的结构示意图；
图19为图18所示烹饪器具的部分截面示意图；
图20为与图18所示烹饪器具配合的开盖工具的结构示意图。
具体实施方式
为了便于理解本申请，下面将参照相关附图对本申请进行更全面的描述。附图中给出了本申请的较佳实施例。但是，本申请可以以许多不同的形式来实现，并不限于本文所描述的实施例。相反地，提供这些实施例的目的是使对本申请的公开内容的理解更加透彻全面。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。本文所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1及图3所示，本申请一实施例中提供一种烹饪器具200，包括锅体210、套设于锅体210内的内锅220、以及盖体100。
盖体100包括上盖10和可拆卸地设置于上盖10的保温盖板20，上盖10与锅体210可开合设置，以打开或封闭锅体210。当盖合上盖10时，保温盖板20可盖设于内锅220，并与内锅220之间形成烹饪空间，以利用烹饪空间加工食材。并且，锅体210上设置有开盖按钮(图未示)和合盖组件(图未示)，合盖组件用于扣合盖体100与锅体210，开盖按钮用于驱动合盖组件与盖体100脱离，允许盖体100打开。
如图1-图5所示，盖体100还包括均设于上盖10的驱动组件30和锁合机构50，锁合机构50包括锁扣52，锁扣52在驱动组件30的作用下，于与锅体210的固定扣211扣合的扣合状态及与固定扣211分离的分离状态之间切换。当烹饪器具200工作时，烹饪空间内的压力逐渐增大，盖体100受到压力冲击具有开启的运动趋势，可通过锁合机构50锁紧盖体100与锅体210，防止锅体210异常开启。也就是说，锁合机构50提供二次锁紧，当锅体210上的合盖组件在压力冲击下失效时，还可通过锁合机构50防止盖体100异常开启，防止操作人员被高压气体灼伤。
可选地，锁扣52与驱动组件30配合传动，且锁扣52上设置有卡勾51，卡勾51可选择地与锅体210的固定板211扣合或分离，以使锁扣52对应的处于扣合状态或分离状态。
驱动组件30包括驱动件32及设于驱动件32与锁扣52之间的传动件34，传动件34在驱动件32的作用下沿第一方向往复直线运动，锁扣52在传动件34的带动下沿与第一方向相交的第二方向在扣合状态和分离状态之间切换。如此，通过沿第一方向移动的传动件34驱动锁扣52沿第二方向移动，实现锁扣52的工作状态切换。同时，传动件34沿第 一方向移动时，可带动其他部件沿第一方向移动。也就是说，驱动件32驱动传动件34沿第一方向运动后，传动件34可带动锁扣52沿第二方向移动，传动件34还可带动其他部件(例如后述夹持机构70、调压件38)沿第一方向移动，多个部件通过同一驱动件32驱动，节省驱动源。
一些实施例中，传动件34上设置有沿第一方向延伸设置的驱动齿条35，驱动件32的输出端设置有与驱动齿条35啮合传动的驱动齿轮321。驱动件32的输出端带动驱动齿轮321转动时，与驱动齿轮321啮合的驱动齿条35便会沿驱动齿条35的延伸方向滑动，进而带动传动件34沿第一方向滑动。
如图3及图6-图8所示，具体地，传动件34面向锁扣52的一侧沿第二方向凸出设置有凸台341，锁扣52面向传动件34的一侧设置有配合部522；锁扣52处于分离状态时，凸台341沿第一方向移动至与配合部522抵接，并推动配合部522及锁扣52沿第二方向移动至脱离固定扣211；锁扣52处于扣合状态时，凸台341沿第二方向移动至与配合部522分离，允许配合部522及锁扣52沿第二方向移动至与固定扣211扣合。相当于，在传动件34上设置沿第二方向凸出的凸台341，锁扣52上设置有位于凸台341移动路径上的配合部522，当凸台341滑动至与配合部522抵接时，便会推动配合部522及锁扣52沿第二方向移动，使锁扣52沿第二方向向远离传动件34移动，进而向远离锅体210中固定扣211的方向移动至与固定扣211脱离；当凸台341继续移动时，凸台341便会移动至与配合部522脱离，凸台341对锁扣52施加的在第二方向上远离传动件34的推力消失，锁扣52便可恢复到与固定扣211扣合的扣合状态，锁紧盖体100和锅体210。
进一步地，锁扣52至少部分堆叠于传动件34上，传动件34面向锁扣52的一面凸出设置有凸台341，锁扣52面向传动件34的一面凸出设置有可与凸台341沿第二方向抵接的配合部522，传动件34在锁扣52底部沿第一方向移动时，传动件34上的凸台341与锁扣52底部的配合部522沿第二方向抵接，推动锁扣52沿第二方向移动。
如图1-图4所示，锁合机构50还包括导轨54和弹性件56，导轨54沿第二方向延伸设置，锁扣52可滑动地套设于导轨54，弹性件56抵接于锁扣52与导轨54之间，并在锁扣52位于分离状态时，存储带动锁扣52切换至锁合位置的弹性势能。当传动件34上的凸起与锁扣52上的配合部522抵接时，锁扣52在传动件34上的凸起的推动下，在第二方向上向远离传动件34移动时，便会挤压位于锁扣52和导轨54之间的弹性件56，使弹性件56存储弹性势能；当传动件34上的凸起与锁扣52上的配合部522脱离时，锁扣52不再受到传动件34沿第二方向的推力，锁扣52便会在弹性件56存储的弹性势能的带动下向靠近传动件34的方向移动，进而向靠近锅体210中固定扣211的方向移动至与固定扣 211扣合，回到扣合状态。
具体地，锁扣52上开设有滑槽521(如图2所示)，导轨54具有凸出设置于滑槽521内的导向部541(如图2及图9所示)，锁扣52通过滑槽521沿导向部541在第二方向上滑动，弹性件56沿第二方向抵接于导向部541与滑槽521内壁之间。在锁扣52上开设滑槽521后，导轨54的导向部541便可伸入到滑槽521内，滑槽521内壁与导向部541之间便可装配弹性件56，通过弹性件56使锁扣52复位。
如图1及图10-图12所示，烹饪器具200还包括设于上盖10的夹持机构70，夹持机构70在驱动组件30的作用下于夹持内锅220和保温盖板20的合盖状态、和允许保温盖板20与内锅220分离的开盖状态之间切换。当烹饪器具200工作时，烹饪空间内的压力升高，保温盖板20承受的气压较大，通过夹持机构70锁紧保温盖板20与内锅220，防止盖体100在高压作用下异常开盖。
夹持机构70包括向相互靠近和远离方向移动的第一卡爪72和第二卡爪74，第一卡爪72和第二卡爪74向相互靠近方向移动并均夹持保温盖板20与内锅220，或者第一卡爪72和第二卡爪74向相互远离的方向移动并均与保温盖板20和内锅220分离。第一卡爪72和第二卡爪74相对设置于上盖10上，当第一卡爪72和第二卡爪74向相互靠近的方向移动时，第一卡爪72和第二卡爪74分别靠近保温盖板20及内锅220边沿，便可夹持保温盖板20与内锅220；当第一卡爪72和第二卡爪74向相互远离的方向移动时，第一卡爪72和第二卡爪74分别远离保温盖板20及内锅220边沿，允许保温盖板20与内锅220分离。
具体到实施例中，第一卡爪72和第二卡爪74沿第一方向分布，传动件34在驱动件32的作用下沿第一方向往复直线运动时，便可带动第一卡爪72和第二卡爪74在第一方向上相互靠近或远离。
如图2及图14-图15所示，进一步地，驱动组件30还包括联动件36，传动件34设于驱动件32和联动件36之间，第一卡爪72和第二卡爪74分别与传动件34和联动件36传动连接；其中，传动件34在驱动件32的驱动下往复用移动，并带动联动件36向与传动件34移动方向相反的方向往复移动。驱动件32驱动传动件34在第一方向上移动时，移动的传动件34可以同时带动联动件36向与传动件34移动方向相反的方向移动。
例如，在图15所示视角中，传动件34向左移动时，带动联动件36向右移动；同时，第一卡爪72在传动件34带动下向左移动时，第二卡爪74在联动件36带动下向右移动，两者向相互远离的方向移动，均脱离内锅220和保温盖板20。传动件34向右移动时，带动联动件36向左移动；同时，第一卡爪72在传动件34带动下向右移动时，第二卡爪74 在联动件36的带动下向左移动，两者向相互靠近的方向移动，均夹持内锅220和保温盖板20。
驱动组件30还包括联动齿轮37，传动件34和联动件36堆叠设置，联动齿轮37设于传动件34和联动件36之间，且传动件34和联动件36相互面对的两个面上分别设置有与联动齿轮37啮合传动的第一齿条343(如图7)和第二齿条361(如图9所示)，相当于第一齿条343与联动齿轮37的一侧啮合传动，第二齿条361相对第一齿条343与联动齿轮37的另一侧啮合传动。并且，第一齿条343和第二齿条361的延伸方向相同，即第一齿条343和第二齿条361均沿第一方向延伸设置。当传动件34在第一方向上向远离第二卡爪74移动时，第一齿条343也向远离第二卡爪74移动，同时驱动联动齿轮37转动，进而通过联动齿轮37带动第二齿条361和联动件36向与传动件34移动方向相反的方向移动，即带动联动件36向远离第一卡爪72移动，如此便可带动第一卡爪72和第二卡爪74相互远离。同样地，当传动件34在第一方向上向靠近第二卡爪74移动时，通过联动齿轮37的传动，可带动联动件36向靠近第一卡爪72的方向移动，如此便可带动第一卡爪72和第二卡爪74相互靠近。
如图1-5所示，一些实施例中，锁扣52在驱动组件30的驱动下，于使夹持机构70维持于合盖状态的锁定状态、和允许夹持机构70切换至开盖状态的解锁状态之间切换。当夹持机构70处于合盖状态时，锁扣52锁紧夹持机构70；当夹持机构70需要切换至开盖状态时，锁扣52允许夹持机构70运动，允许进行开盖操作。如此，夹持机构70处于合盖状态时，锁合盖体100和锅体210，并且通过锁扣52进一步锁紧处于合盖状态的夹持机构70，防止夹持机构70开盖，以对盖体100进行多重锁合，防止盖体100异常开启。
具体地，锁扣52处于锁定状态时，锁紧第一卡爪72和第二卡爪74，防止第一卡爪72和第二卡爪74向相互远离的方向移动，使夹持机构70维持在盒盖状态；锁扣52处于解锁状态时，解除对第一卡爪72和第二卡爪74的锁定，允许第一卡爪72和第二卡爪74向相互远离的方向移动，允许夹持机构70切换至开盖状态，进行开盖操作。
进一步地，第一卡爪72和第二卡爪74相互面对的两面分别设置有第一锁定部721和第二锁定部741，锁扣52上开设有卡槽53。夹持机构70处于合盖状态时，第一卡爪72和第二卡爪74向相互靠近的方向移动，并带动第一锁定部721和第二锁定部741相互靠近，且第一锁定部721和第二锁定部741均嵌设于所述卡槽53内，并分别与卡槽53沿第一方向相对的两个内壁限位抵接，在卡槽53内锁紧第一锁定部721和第二锁定部741，防止第一锁定部721和第二锁定部741向相互分离的方向移动，锁定夹持机构70的合盖状态，防止夹持机构70在锅内高压作用下异常切换至开盖状态。夹持机构70处于开盖状态 时，卡槽53脱离第一锁定部721和第二锁定部741，允许第一锁定部721和第二锁定部741向相互远离的方向移动，进而允许第一卡爪72和第二卡爪74相互远离，以进行开盖动作。
更进一步地，第一卡爪72和第二卡爪74分别堆叠在传动件34和联动件36上，传动件34与驱动件32传动连接，锁扣52沿第二方向靠近驱动件32的一端开设卡槽53，卡槽53的开口朝向位于合盖状态下的第一锁定部721和第二锁定部741。可选地，夹持机构70处于合盖状态时，第一锁定部721和第二锁定部741相对接，卡槽53的宽度等于第一锁定部721和第二锁定部741在第一方向上的总宽度，第一锁定部721和第二锁定部741可在第一方向上限位嵌设于卡槽53内。
其中，锁扣52在锁定状态和解锁状态之间切换的驱动方式，与锁扣52在扣合状态和分离状态之间切换的驱动方式相同。
传动件34在驱动件32的驱动下沿第一方向往复直线运动时，锁扣52在传动件34的带动下沿与第一方向相交的第二方向在锁定状态和解锁状态之间切换，锁扣52与传动件34之间的传动方式与上述记载相同，也是通过设于传动件34沿第二方向凸出的凸台341和设于锁扣52的配合部522的抵接和分离，使锁扣52在第二方向移动，切换与夹持机构70的配合状态，进而使锁扣52在锁定状态和解锁状态之间切换。
具体地，锁扣52处于锁定状态时，凸台341沿第一方向移动至与配合部522分离，允许锁扣52沿第二方向向靠近夹持机构70移动，以锁紧夹持机构70；锁扣52处于解锁状态时，凸台341沿第一方向移动至与配合部522抵接，推动锁扣52沿第二方向向远离夹持机构70移动，以解除对夹持机构70的锁定。
需要说明的是，锁扣52可具有与锅体210中固定扣211扣合的扣合状态及与固定扣211分离的分离状态，可以锁合盖体100和锅体210。锁扣52也可具有锁紧处于合盖状态夹持机构70的锁定状态、及允许夹持机构70切换至开盖状态的解锁状态，可以通过锁扣52对处于合盖状态的夹持机构70进行锁定，防止误开盖。锁扣52还可同时具有扣合状态和锁定状态、及同时具有分离状态和解锁状态，即锁扣52与固定扣211扣合以锁合盖体100和锅体210，同时锁扣52还夹紧夹持机构70，使夹持机构70锁定于合盖状态，防止夹持机构70异常切换至开盖状态，防止盖体100异常开启，如此多重锁盖，保证高压工作时烹饪器具200的可靠性；同样地，锁扣52解除对夹持机构70的锁定，允许夹持机构70切换到开盖状态，同时锁扣52还与固定扣211分离，允许盖体100打开。
具体到实施例中，锁扣52处于扣合状态的同时还处于锁定状态，锁扣52处于分离状态的同时还处于解锁状态，即锁扣52即与夹持机构70配合，还与锅体210中的固定扣211 配合。
进一步地，锁扣52沿第二方向的相对两端分别设置有卡勾51和卡槽53，卡勾51与固定扣211扣合时，卡槽53内嵌设第一锁定部721和第二锁定部741，使锁扣52即与固定扣211扣合，也锁紧第一卡爪72和第二卡爪74；卡勾51与固定扣211分离时，卡槽53脱离第一锁定部721和第二锁定部741，使锁扣52即取消对第一卡爪72和第二卡爪74的锁定，也与固定扣211分离。如此，通过锁扣52一个部件，便可在盒盖后对盖体100进行双重锁定。
具体到实施例中，锁扣52包括第一锁扣521和第二锁扣523，第一锁扣521和第二锁扣523沿第二方向分布且固定连接，第一锁扣521远离第二锁扣523的一端具有与锅体210中固定板211扣合的卡勾51，第二锁扣523远离第一锁扣521的一端开设有开口背向第一锁扣521的卡槽53，且第一锁扣521上开设有允许导轨54的导向部541伸入的滑槽521。可以理解地，第一锁扣521和第二锁扣523也可以一体设置，在此不做限定。
如图1及图3所示，具体地，当传动件34的凸起341移动至与锁扣的配合部522抵接时，锁扣52在凸起341的推动下与固定扣211脱离，同时夹持机构70切换至开盖状态，解除对保温盖板30与内锅220的锁合，允许盖体100相对锅体210打开。如图2及图4-图5所示，当传动件的凸起341移动至与锁扣的配合部522分离时，锁扣52在弹性件56的作用下移动向靠近固定扣211的方向移动，同时第一卡爪72和第二卡爪74向相互靠近的方向移动，直到第一卡爪72和第二卡爪74移动到位时，锁扣52上的卡槽53可对准分别设于第一卡爪72和第二卡爪74的第一锁定部721和第二锁定部741，锁扣52在弹性件56作用下继续移动至卡槽53内嵌设第一锁定部721和第二锁定部741，且锁扣52的卡勾51与固定板211扣合，完成合盖过程。
可选地，锁扣52在第一方向上的宽度，大于第一夹爪72和第二夹爪74在第一方向上的最大间距。当第一夹爪72和第二夹爪74逐渐向相互靠近的方向移动时，锁扣52向靠近第一夹爪72及第二夹爪74方向移动，并且因为锁扣52宽度较大，可与间隔的第一夹爪72及第二夹爪74均抵接，防止锁扣52移动过多，直到第一夹爪72和第二夹爪74移动到位时锁扣52的卡槽53对应第一锁定部721和第二锁定部741，便可允许锁扣52继续移动至卡槽53内嵌设第一锁定部和第二锁定部，完成夹持机构70的合盖工作及锁扣52的锁扣工作。
一些实施例中，保温盖板20与上盖10之间预留有允许保温盖板20浮动的浮动间隙，处于合盖状态的夹持机构70可在保温盖板20的推动下相对上盖10浮动。烹饪器具200工作时，驱动组件30带动夹持机构70由开盖状态切换至合盖状态，而由夹持机构70夹 持的保温盖板20在锅内高压作用下在浮动间隙内上浮，同时推动夹持机构70浮动，如此将保温盖板20的浮动传递给夹持机构70，保温盖板20浮动时不会挤压上盖10，防止上盖10受到保温盖板20的挤压而变形。
并且，锁扣52与保温盖板20同步浮动，当夹持机构70在保温盖板20的推动下上浮时，锁扣52也会同步上浮，进而使锁扣52与夹持机构70同步浮动，可始终相互配合，防止夹持机构70上浮后与锁扣52错位，使锁扣52对浮动的夹持机构70始终具有锁定功能。
如图13所示，进一步地，盖体100还包括浮动板60和顶杆62，浮动板60设于上盖10和锁扣52之间，上盖10设于保温盖板20与浮动板60之间，顶杆62贯穿上盖10并抵接于保温盖板20和浮动板60之间。当保温盖板20上浮时，顶杆62受到保温盖板20的推动，并顶起浮动板60，使浮动板60随着保温盖板20的浮动而浮动，进而使设于浮动板60上的锁扣52与保温盖板20及夹持机构70同步浮动。
具体地，上盖10开设有通孔，顶杆62穿设于通孔，且顶杆62靠近浮动板60的一端卡设于上盖10，使顶杆62可浮动装配与上盖10。并且，浮动板60上设置有与顶杆62配合的顶推部61，顶推部61面向上盖10的一面设置有配合槽，顶杆62靠近浮动板60的一端穿设于配合槽内，并可与配合槽内壁抵接，推动浮动板60上浮。可选地，顶杆62及顶推部61对称设置有多组，且分别设置在浮动板60的四周，以从多个点推动浮动板60上浮，使浮动板60各个位置浮动幅度均匀。
进一步地，对锁扣52起导向作用的导轨54固定在浮动板60上，锁扣52可滑动地套设于导轨54，导轨54和锁扣52同步浮动。
如图2及图10-图11所示，盖体100还包括压力阀80，压力阀80在驱动组件30的作用下于打开盖体100上排气口的泄压状态、和封闭盖体100上排气口的蓄压状态之间切换。压力阀80装配在盖体100上，用于打开和封闭排气口，当排气口被压力阀80封闭时，锅体210内的压力无法排向外界，锅体210内压力逐渐增大，处于蓄压状态；当排气口被压力阀80打开时，锅体210内的压力可通过排气口排出，锅体210内压力逐渐降低，处于泄压状态。如此，驱动组件30不仅可以驱动夹持机构70和/或锁扣52动作，还可用于驱动压力阀80动作，进行调压工作。
以下对驱动组件30驱动夹持机构70和压力阀80动作的过程进行说明。
当夹持机构70处于合盖状态时，压力阀80可处于蓄压状态，以对合盖后的烹饪器具200内部进行增压；也就是说，在烹饪器具200内部压力增大时，夹持机构70夹紧保温盖板20和内锅220，锁紧盖体100，防止锅体210内压力增大时盖体100异常开启。并且， 当夹持机构70处于开盖状态时，压力阀80可处于泄压状态，以当锅体210内部泄压后，再进行开盖，防止开盖时锅体210内还有高压气流流出而灼伤操作者。
驱动组件30还包括与传动件34连接并同步移动的调压件38，传动件34在驱动件32的驱动下往复移动时，带动联动件36沿与传动件34移动方向相反的方向往复移动，进而带动第一卡爪72和第二卡爪74向相互靠近和远离的方向移动，以使夹持机构70在盒盖状态和开盖状态之间切换。并且，与传动件34连接的调压件38也往复移动，可驱动压力阀80在蓄压状态和泄压状态之间切换，进行调压工作。
具体到实施例中，在驱动组件50的驱动下，调压阀80的阀杆与夹持机构70异步运动。调压阀80的阀杆在调压件58的作用下移动时，锅体210内的压力变化，进行调压工作；夹持机构70在传动件54和联动件56的作用下运动时，夹持机构70在盒盖状态和开盖状态之间切换。其中，调压件58与传动件54连接并同步运动，联动件56在传动件54的带动下与传动件54同时向反方向运动，调压件58移动的过程中带动压力阀80的阀杆间歇性升降，传动件54和联动件56移动的过程中带动夹持机构70间歇性开合，而夹持机构70开合动作的时间段与压力阀80中阀杆升降的时间段错开，实现夹持机构70与阀杆的异步运动，防止调压工作与开合盖工作相互影响，防止驱动组件50在调压的同时带动夹持机构70切换到开盖状态，保证烹饪器具的安全性能。
调压件38包括沿自身移动方向分布的倾斜面381和水平面383；倾斜面381与压力阀80的阀杆配合抵接时，夹持机构70保持静止，此时仅进行调压工作，不进行开合盖切换工作，防止在锅内压力变化时突然开盖带来安全问题；水平面383与压力阀80的阀杆配合抵接时，阀杆在自身重力方向上没有压力便会保持不动，锅内压力不会突变，此时夹持机构70切换工作状态，切换过程中夹持机构70不会受到压力突变的冲击，较为安全可靠。
如图16-图17所示，具体地，传动件34包括设于调压件38的第一联动部33，联动件36具有第二联动部362；第一卡爪72和第二卡爪74分别开设有第一滑槽722和第二滑槽742，第一联动部33和第二联动部362分别可滑动地设置于第一滑槽722和第二滑槽742内。当第一联动部33和第二联动部362分别在第一滑槽722和第二滑槽742内滑动时，调压件38与传动件34同步移动，并进行调压工作，但是第一联动部33和第二联动部362分别与第一卡爪72和第二卡爪74之间不进行传动，第一卡爪72和第二卡爪74保持静止，只有当第一联动部33和第二联动部362分别与第一滑槽722和第二滑槽742沿第一方向的内壁抵接时，才带动第一卡爪72和第二卡爪74移动，可以在夹持机构70保持静止的时间段内使调压件38进行调压工作，实现调压和开合盖工作异步运行，提高烹饪器具200的安全性能。
可选地，第一滑槽722和第二滑槽742在传动件移动方向(第一方向)上的长度相同，可使第一卡爪72和第二卡爪74同时运动，同时锁紧或离开保温盖板20与内锅220。并且，第一滑槽722和第二滑槽742在第一方向上的长度均大于等于倾斜段在第一方向上的长度，如此调压件38的倾斜段与压力阀80配合时，第一联动件36和第二联动件36可分别在第一滑槽722和第二滑槽742内滑动，不会带动第一卡爪72和第二卡爪74动作，可在夹持机构70处于合盖状态时进行调压。
以下对驱动组件30驱动锁扣52和压力阀80动作的过程进行说明。
调压件38在驱动件32的作用下，带动压力阀80处于蓄压状态时，锁扣52在传动件34的作用下处于扣合状态，如此在盖体100与锅体210扣合时，才进行蓄压操作，防止出现安全问题；调压件38在驱动件32作用下，带动压力阀80处于泄压状态时，锁扣52在传动件34作用下处于分离状态，如此在泄压后再允许盖体100与锅体210分离，防止未泄压时直接开盖。
以下对驱动组件30驱动锁扣52、夹持机构70及压力阀80的过程进行说明，此过程中驱动件30运动时，带动夹持机构70、锁扣52及压力阀80均可进行各自的工作，三者之间的配合关系与上记载相同，在此不做赘述。
如图18-图20所示，盖体100还包括断电开盖机构90，断电开盖机构90包括备用驱动件92和备用传动件94，备用传动件94套设于驱动件32输出轴，备用驱动件92与备用传动件94传动连接，并与开盖工具230配合，传递开盖工具230输出的旋转运动至备用传动件94；即手动转动开盖工具230时，可带动备用驱动件92和备用传动件94转动，进而带动驱动件32的输出轴转动，可使驱动组件30正常运动以解锁锁扣机构50和夹持机构70，允许烹饪器具200断电时也可以开盖。
具体地，备用驱动件92具有与开盖工具230配合的配接孔921，配接孔921的横截面与开盖工具230对接端231的横截面对应，均设置为非圆型，防止操作者转动开盖工具230时，开盖工具230的对接端231在配接孔921内打滑，以使开盖工具230可以可靠地带动备用驱动件92旋转。
本申请一实施例中，还提供一种上述盖体100，可多重锁合盖体100和锅体210，还可进行调压工作。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛 盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对申请专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请专利的保护范围应以所附权利要求为准。

Claims (12)

  1. 一种盖体，其特征在于，包括：
    上盖(10)；
    保温盖板(20)，可拆卸地设置于所述上盖(10)面向锅体(210)中内锅(220)的一侧；以及
    驱动组件(30)、夹持机构(70)和锁扣(52)，均设于所述上盖(10)，且所述夹持机构(70)在所述驱动组件(30)的作用下于卡持所述内锅(220)和所述保温盖板(20)的合盖状态、和允许所述内锅(220)及所述保温盖板(20)分离的开盖状态之间切换；
    其中，所述锁扣(52)在所述驱动组件(30)的驱动下，于使所述夹持机构(70)维持于所述合盖状态的锁定状态、和允许所述夹持机构(70)切换至所述开盖状态的解锁状态之间切换。
  2. 根据权利要求1所述的盖体，其特征在于，所述驱动组件(30)包括驱动件(32)和设于所述驱动件(32)与所述锁扣(52)之间的传动件(34)，所述传动件(34)在所述驱动件(32)的作用下沿第一方向往复直线运动，所述锁扣(52)在所述传动件(34)的带动下沿与所述第一方向相交的第二方向在所述锁定状态和所述解锁状态之间切换。
  3. 根据权利要求2所述的盖体，其特征在于，所述传动件(34)面向所述锁扣(52)的一侧沿所述第二方向凸出设置有凸台(341)，所述锁扣(52)面向所述传动件(34)的一侧设置有配合部；
    所述锁扣(52)处于锁定状态时，所述凸台(341)沿所述第一方向移动至与所述配合部分离，允许所述锁扣(52)沿所述第二方向向靠近所述夹持机构(70)移动；
    所述锁扣(52)处于所述解锁状态时，所述凸台(341)沿所述第一方向移动至与所述配合部抵接，推动所述锁扣(52)沿第二方向向远离夹持机构(70)移动。
  4. 根据权利要求2所述的盖体，其特征在于，所述夹持机构(70)包括沿所述第一方向向相互靠近和远离方向移动的第一卡爪(72)和第二卡爪(74)，所述第一卡爪(72)和所述第二卡爪(74)向相互靠近方向移动并均夹持所述内锅(220)和所述保温盖板(20)，或者所述第一卡爪(72)和所述第二卡爪(74)向相互远离方向移动并均与所述内锅(220)和所述保温盖板(20)分离；
    所述锁扣(52)处于所述锁定状态时，锁紧所述第一卡爪(72)和所述第二卡爪(74)；所述锁扣(52)处于所述解锁状态时，解除对所述第一卡爪(72)和所述第二卡爪(74) 的锁定。
  5. 根据权利要求4所述的盖体，其特征在于，所述驱动组件(30)还包括联动件(36)，所述传动件(34)设于所述驱动件(32)和所述联动件(36)之间，且所述第一卡爪(72)和所述第二卡爪(74)分别与所述传动件(34)和所述联动件(36)传动连接；
    其中，所述传动件(34)在所述驱动件(32)的驱动下往复移动，并带动所述联动件(36)向与所述传动件(34)移动方向相反的方向往复移动。
  6. 根据权利要求5所述的盖体，其特征在于，所述驱动组件(30)还包括联动齿轮(37)，所述联动齿轮(37)设于所述传动件(34)和所述联动件(36)之间，所述传动件(34)和所述联动件(36)上分别设置有与所述联动齿轮(37)啮合传动的第一齿条(341)和第二齿条(361)；
    其中，所述第一齿条(341)和所述第二齿条(361)的延伸方向相同。
  7. 根据权利要求6所述的盖体，其特征在于，所述传动件上还设置有驱动齿条(35)，所述驱动齿条(35)的延伸方向与所述第一齿条的延伸方向平行，并且所述驱动件(32)的输出端设置有与所述驱动齿条(35)啮合传动的驱动齿轮(321)。
  8. 根据权利要求4所述的盖体，其特征在于，所述锁扣(52)处于所述锁定状态的同时还处于与锅体(210)的固定扣(211)扣合的扣合状态；所述锁扣(52)处于所述解锁状态的同时还处于与所述固定扣(211)分离的所述分离状态。
  9. 根据权利要求8所述的盖体，其特征在于，所述锁扣(52)上设置有卡勾(51)，所述卡勾(51)可选择地与所述固定扣(211)扣合或分离。
  10. 根据权利要求4或8所述的盖体，其特征在于，所述第一卡爪(72)和所述第二卡爪(74)相互面对的两面分别设有第一锁定部(721)和第二锁定部(741)，所述锁扣(52)上开设有卡槽(53)；
    所述夹持机构(70)处于所述合盖状态时，所述第一锁定部(721)和所述第二锁定部(741)嵌设于所述卡槽(53)内，并均沿所述第一方向与所述卡槽(53)的内壁限位抵接；
    所述夹持机构(70)处于开盖状态时，所述卡槽(53)脱离所述第一锁定部(721)和所述第二锁定部(741)。
  11. 根据权利要求2所述的盖体(100)，其特征在于，还包断电开盖机构(90)，所述断电开盖机构(90)包括备用驱动件(32)和备用传动件(34)，所述备用传动件(34)套设于所述驱动件(32)输出轴，所述备用驱动件(32)与所述备用传动件(34)传动连接，并与开盖工具配合，传递开盖工具输出的旋转运动至所述备用传动件(34)。
  12. 一种烹饪器具，其特征在于，包括上述权利要求1-11任意一项所述的盖体(100)。
PCT/CN2020/110805 2019-11-18 2020-08-24 盖体及烹饪器具 WO2021098315A1 (zh)

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