WO2023125966A1 - Dispositif de verrouillage de porte et appareil de cuisson - Google Patents

Dispositif de verrouillage de porte et appareil de cuisson Download PDF

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Publication number
WO2023125966A1
WO2023125966A1 PCT/CN2022/144091 CN2022144091W WO2023125966A1 WO 2023125966 A1 WO2023125966 A1 WO 2023125966A1 CN 2022144091 W CN2022144091 W CN 2022144091W WO 2023125966 A1 WO2023125966 A1 WO 2023125966A1
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WO
WIPO (PCT)
Prior art keywords
door
hook
lock device
driving
elastic
Prior art date
Application number
PCT/CN2022/144091
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English (en)
Chinese (zh)
Inventor
位帅帅
吴延岐
Original Assignee
广东美的厨房电器制造有限公司
美的集团股份有限公司
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Publication date
Application filed by 广东美的厨房电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的厨房电器制造有限公司
Publication of WO2023125966A1 publication Critical patent/WO2023125966A1/fr

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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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
    • E05C19/12—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops

Definitions

  • the present application relates to the technical field of household appliances, in particular to a door lock device and a cooking appliance.
  • the door opening and closing system of a traditional microwave oven includes main components such as the door body, door hook, front panel, and bracket.
  • the process is driven by manpower or the inertia of the door body, and there is no buffer design.
  • the closing noise is related to the force of closing the door manually, and the closing noise of the door body is large.
  • a slow-closing structure In order to reduce the noise of door closing, a slow-closing structure is usually installed on the microwave oven, but the existing slow-closing structure will cause the door to close less forcefully, and the door will be bounced open by the slow-closing structure, causing the door to fail to close normally. The occurrence of the situation affects the user's use.
  • an object of this application is to propose a kind of door lock device, and this door lock device has slow closing door structure, and door body closing noise is little, and slow closing door structure is less hindering to door body, and door body can be closed smoothly, and the user High user satisfaction.
  • Another object of the present application is to propose a cooking appliance.
  • the door lock device includes: a first door hook, one end of which is adapted to be connected with the door body; a driving part, the driving part is rotatably arranged on the box body, the The driving part is adapted to rotate relative to the box body in a first rotation direction under the push of the first door hook; the buffer part is arranged on the box body and is used for slowing down the first door speed of movement of the hook in the first rotational direction; a pendulum connected to the buffer, at least part of the pendulum spaced apart from the driver for rotation of the driver in the first rotational direction After the preset angle, it rotates together with the driving member.
  • the driving member does not directly contact the buffer member, but first rotates by a preset angle along the first rotation direction
  • the first door hook is more easily moved to the position connecting the door body and the box body by the resistance of the buffer part, which can reduce the hindrance effect of the buffer part on closing the door, and the door body can be closed smoothly.
  • the noise of closing the door is small, and the user satisfaction is high.
  • the door lock device further includes: an elastic member, one end of the elastic member is connected with the driving member, and the other end of the elastic member is connected with the box body; the driving member has a The initial position in contact with the first door hook, when the driving member is in the initial position, the direction of the elastic force of the elastic member and the distance between the one end of the elastic member and the rotation center of the driving member The lines are parallel.
  • the elastic member is stretched so that the driving member has a tendency to rotate along the first rotation direction.
  • the elastic member includes: a first elastic member and a second elastic member, and the ends on the same side of the first elastic member and the second elastic member are connected to the same position of the driving member, The other ends on the same side of the first elastic member and the second elastic member are respectively connected to different positions of the box body; when the driving member is in the initial position, the first elastic member and the second elastic member The direction of the resultant force of the elastic member is parallel to the line between the one end of the elastic member and the rotation center of the driving member.
  • the driving member includes: a first leg and a second leg spaced apart; when the driving member is in an initial position, the first door hook is adapted to push the first leg until the The driving part rotates at a preset angle along the first rotation direction, and the driving part is adapted to rotate along the first rotation direction under the elastic force of the elastic part and drive the second leg to move until the door body is closed.
  • the door lock device further includes: a bracket, the bracket is arranged on the box, and the driving member is rotatably arranged on the bracket; the bracket is also provided with a movable
  • the ground protection block is provided with a limiting slot, and when in the initial position, the first leg is engaged with the limiting slot.
  • the protection block moves relative to the bracket so that the limiting groove is disengaged from the first leg.
  • the elastic element is arranged on one side of the bracket, the driving element and the swing element are arranged on the other side of the bracket, and the elastic element is provided on the bracket.
  • the door lock device further includes: a second door hook, the second door hook is adapted to be connected with the door body, and the second door hook is adapted to reach the After the preset position, it is clamped and matched with the moving inclined block on the box body.
  • the second door hook is provided with a hook
  • the moving inclined block is provided with a wedge-shaped surface facing the door body and a clamping surface facing away from the door body, and the hook and the wedge-shaped The surface fits to drive the moving inclined block to move until the hook passes over the wedge surface and engages with the clamping surface.
  • the door lock device further includes: a micro switch adapted to detect whether the first door hook and/or the second door hook are in place.
  • the cooking appliance according to the embodiment of the present application includes the door lock device described in any one of the above.
  • the cooking appliance of the embodiment of the present application the above door lock device is provided, the cooking appliance has low closing noise, and is convenient to close the door, easy to operate, and high in user satisfaction.
  • Fig. 1 is a schematic structural diagram of a door lock device according to an embodiment of the present application
  • Fig. 2 is a schematic diagram of the internal structure of the example shown in Fig. 1;
  • Figure 3 is a rear view of the example shown in Figure 1;
  • Fig. 4 is a schematic diagram of the installation structure of the drive member, the buffer member and the swing member according to the embodiment of the present application;
  • Figure 5 is an exploded view of the structure according to the example shown in Figure 4;
  • Fig. 6 is the structural explosion diagram of the example shown in Fig. 2;
  • Fig. 7 is a schematic diagram of installation of an elastic member according to an embodiment of the present application.
  • Fig. 8 is a schematic diagram of installation of a moving inclined block according to an embodiment of the present application.
  • Fig. 9 is an exploded view of the structure of the example shown in Fig. 8;
  • Fig. 10 is a schematic diagram of installation of a protection block according to an embodiment of the present application.
  • Fig. 11 is a schematic diagram of installation of a micro switch according to an embodiment of the present application.
  • Fig. 12 is a state diagram of the door lock device in the process of closing the door according to the embodiment of the present application, when the door body is in the first position;
  • Figure 13 is a rear view of the example shown in Figure 12;
  • Fig. 14 is a state diagram of the door lock device in the process of closing the door according to the embodiment of the present application, when the door body is in the third position;
  • Figure 15 is a rear view of the example shown in Figure 14;
  • Fig. 16 is a state diagram of the door lock device in the process of closing the door according to the embodiment of the present application, when the door body is in the fourth position;
  • Figure 17 is a rear view of the example shown in Figure 16;
  • Fig. 18 is a state diagram of the door lock device in the process of closing the door according to the embodiment of the present application, when the door body is in the fifth position;
  • Figure 19 is a rear view of the example shown in Figure 18;
  • Fig. 20 is a state diagram of the door lock device according to the embodiment of the present application in the process of closing the door, when the door body is at the door closing position;
  • FIG. 21 is a rear view of the example shown in FIG. 20 .
  • the driver 2 the first leg 21, the second leg 22, the rotating part 23,
  • the elastic member 5 the first elastic member 51, the second elastic member 52,
  • Micro switch 7 first micro switch 71 , second micro switch 72 , third micro switch 73 .
  • the following describes a door lock device 1000 according to an embodiment of the present application with reference to FIGS. 1-21 .
  • the door lock device 1000 includes: a first door hook 1, a driving part 2, a buffer part 3 and a swing part 4, one end of the first door hook 1 is suitable for being connected with the door body 100, and the driving part 2 can Rotatably arranged on the box body, the driver 2 is adapted to rotate relative to the box body along the first rotation direction under the push of the first door hook 1, and the buffer member 3 is arranged on the box body and is used for slowing down the driving piece 2 along the first rotation direction.
  • the swinging member 4 is connected with the buffer member 3, and at least part of the swinging member 4 is spaced apart from the driving member 2 so as to rotate together with the driving member 2 after the driving member 2 rotates a preset angle along the first rotating direction.
  • the door lock device 1000 of the embodiment of the present application is used in a structure having a door body 100 and a box body, and the door lock device 1000 is used to cooperate the door body 100 and the box body so that the door body 100 closes or opens the box body.
  • the first door hook 1 is installed on the door body 100, and the driving part 2, the buffer part 3 and the swing part 4 are all arranged on the box body.
  • the door lock device 1000 can be used to connect the door 100 to the box to close the box, or separate the door 100 to the box to open the box.
  • the operator provides the driving force for the door body 100.
  • the door body 100 When the door body 100 is connected with the box body, the operator drives the door body 100 to move close to the box body with the box body as the reference frame.
  • the first door hook 1 also faces the box body. Movement, the first door hook 1 stretches into the box body, when the first door hook 1 moves to the preset position in the box body, even the door body 100 is connected with the box body; when the door body 100 is separated from the box body, the operator The door body 100 is driven to move away from the box body, and the first door hook 1 is disengaged from the box body.
  • the driving part 2 is rotatably arranged on the box body, and the driving part 2 is provided with a rotating part 23, and the connection between the rotating part 23 and the box body is the rotation center of the driving part 2 relative to the box body.
  • the structure that the rotating part 23 realizes the rotation can have multiple embodiments, the rotating part 23 can be the rotating shaft protruding from the driver 2, and the casing is provided with a rotating through hole cooperating with the rotating shaft; the rotating part 23 can also be The rotating through hole, the casing is provided with a rotating shaft to cooperate with the rotating through hole, all of which fall within the scope of protection of the present application.
  • At least part of the driver 2 is arranged on the moving path of the first door hook 1.
  • the first door hook 1 moves toward the box body and the first door hook 1 stretches into the box body, the first door hook 1 and the driver 2, the first door hook 1 can push the driving part 2 to rotate along the rotation center, and at this time, the driving part 2 rotates along the first rotation direction relative to the box body.
  • the door lock device 1000 of the embodiment of the present application is provided with a buffer member 3, the buffer member 3 is connected to the box body, and the buffer member 3 is used to slow down the moving speed of the driving member 2 along the first rotation direction, thereby slowing down the movement of the door body 100 to the box body.
  • the speed of movement can reduce the collision between the door body 100 and the box body, and reduce noise.
  • the noise of closing the door can be reduced by setting the buffer member 3, but if the driving force of the first door hook 1 is small, that is, when the operator’s closing force is too small, the door body 100 will be bounced open by the resistance of the buffer member 3, causing the door The body 100 does not normally close the box body, so the door lock device 1000 of the embodiment of the present application is provided with a swing member 4, which can reduce the situation that the buffer member 3 prevents the door body 100 from closing smoothly.
  • the swing member 4 is connected between the buffer member 3 and the drive member 2, the swing member 4 is directly connected to the buffer member 3, but the swing member 4 is pivotally connected to the drive member 2, and some parts are spaced apart from the drive member 2 to drive There is a certain gap between the piece 2 and the swinging piece 4 .
  • the driving part 2 When the first door hook 1 pushes the driving part 2 to rotate along the first rotation direction, the driving part 2 does not directly contact the buffer part 3, but first rotates along the first rotation direction by a preset angle, and then sticks to the swing part 4 After being combined, they are subjected to the resistance effect of the buffer member 3, and at this time, the driving member 2 and the swing member 4 jointly rotate along the first rotation direction.
  • the first door hook 1 and the driving member 2 can be moved for a period of time before receiving resistance.
  • the setting of the swinging member 4 can make the first door hook 1 receive resistance. It is easier for a door hook 1 to move to the position connecting the door body 100 with the box body, so that the door body 100 can be closed more easily, and the hindrance effect of the buffer member 3 on closing the door is reduced.
  • setting the buffer part 3 to connect the driving part 2 and the buffer part 3 can improve the working stability of the buffer part 3 and avoid the occurrence of stress on the buffer part 3. The deflection leads to a reduction in the damping effect on the drive element 2 .
  • the driving member 2 will not directly contact the buffer member 3, but first along the first After the direction of rotation is rotated by a preset angle, and after being attached to the swinging member 4, and then subjected to the resistance of the buffer member 3, the first door hook 1 moves more easily to the position connecting the door body 100 with the box body, which can reduce the pair of buffer members 3 Due to the blocking effect of closing the door, the door body 100 can be closed smoothly, the noise of closing the door is small, and the user satisfaction is high.
  • the structure of the buffer 3 can also be various.
  • the buffer 3 can include elastic structures such as coil springs, or the buffer 3 can be a damper structure, such as a linear damper or a rotary damper.
  • the piece 3 can provide elastic force to hinder the movement of the first door hook 1 .
  • the first door hook 1 includes: a first installation part 11 and a first hook-shaped part 12, the first installation part 11 is connected with the door body 100, the first hook-shaped The portion 12 protrudes from the door body 100, and the first hook portion 12 can extend into the box.
  • the first door hook 1 moves toward the box, the first hook 12 extends into the box, and the first hook 12 moves to a preset position in the box.
  • the door body 100 is connected with the box body; when the door body 100 is separated from the box body, the operator drives the door body 100 to move away from the box body, and the first hook portion 12 is released from the box body.
  • the first hook-shaped portion 12 extends into the box body, the first hook-shaped portion 12 contacts the driving member 2 , and the first hook-shaped portion 12 pushes the driving member 2 to rotate along the first rotation direction.
  • first installation part 11 and the first hook part 12 are for the convenience of describing the simplification of the present application, rather than indicating or implying that the first door hook 1 is a split structure, and therefore should not be construed as limiting the present application .
  • the first hook portion 12 can be connected to the first installation portion 11 by welding, screwing, riveting, etc., or in some embodiments, the two can be formed by integral processing.
  • the door lock device 1000 also includes: an elastic member 5, one end of the elastic member 5 is connected to the driving member 2, the other end of the elastic member 5 is connected to the box body, and the driving member 2 has a In the initial position where the hook 1 contacts, when the driver 2 is in the initial position, the direction of the elastic force of the elastic member 5 is parallel to the line between one end of the elastic member 5 and the center of rotation of the driver 2 .
  • the elastic member 5 is connected between the box body and the driving member 2, so when the driving member 2 rotates in the first rotation direction, the state of the elastic member 5 also changes accordingly. And when the driver 2 was in the initial position, the elastic force direction of the elastic member 5 was parallel to the connection line between one end of the elastic member 5 and the rotating part 23, that is, the elastic member 5 was in a balanced state, and the elastic force of the elastic member 5 would not drive the drive. The component 2 rotates along the first rotation direction, and the drive component 2 will not be driven to rotate against the first rotation direction.
  • the elastic force of the elastic part 5 on the driving part 2 makes the driving part 2 stably in the initial position;
  • the elastic member 5 is also driven by the driving member 2 to deform and deviate from the equilibrium state.
  • the elastic member 5 can return to the equilibrium state under its own elastic force, that is, drive the driving member 2 to return to the initial position.
  • the elastic member 5 of the embodiment of the present application can restore the driving member 2 to the original position.
  • the driving member 2 can automatically return to the initial position, preventing the driving member 2 from being deviated due to external influences.
  • the member 2 remains at the initial position in preparation for closing the door of the door lock device 1000.
  • the elastic member 5 is stretched so that the driving member 2 has a tendency to rotate along the first rotating direction.
  • the reversing position the position where the driving member 2 is rotated by a preset angle along the first rotation direction from the initial position.
  • the elastic part 5 connected to the driving part 2 is stretched, and the elastic part 5 has a contraction tendency, and the elastic force of the elastic part 5 makes the driving part 2 have a tendency to rotate along the first rotation direction, that is, When the driving part 2 moves to the reversing position, the elastic part 5 can drive the driving part 2 to rotate along the first rotation direction.
  • the elastic force of the elastic part 5 is the driving force for the driving part 2 to rotate, and the elastic force can drive the driving part 2
  • the first door hook 1 moves toward the box body, when the door body 100 is closed, it will be resisted by the buffer member 3, but the driving force of the elastic member 5 to the driving member 2 can reduce the resistance of the buffer member 3, so that the first door hook 1 It can smoothly move to a preset position in the box to close the door 100 .
  • the movement process of the driving member 2 in the embodiment of the present application when closing the door can be divided into two parts, the first part is moving from the initial position to the reversing position, and the second part is moving from the reversing position to the end position.
  • the driving member 2 rotates along the first rotation direction, the driving member 2 drives the elastic member 5 to deviate from the equilibrium position, and the elastic member 5 has a movement tendency to return to the equilibrium position, so the driving member 2 is pushed by the elastic member 5 Resistance;
  • the driving member 2 continues to rotate along the first rotation direction, the driving member 2 is in contact with the swing member 4 and is resisted by the buffer member 3, but at this time the driving member 2 is driven by the elastic member 5 force, the door body 100 is easier to close.
  • the driving member 2 when the driving member 2 moves to the reversing position, the driving member 2 will move at a speed along the first rotation direction under the action of inertia, and at this time the driving member 2 will also be driven to the first rotation direction.
  • the elastic force that moves in one direction, and the resistance that hinders the movement of the driving member 2 to the first rotation direction, the resistance generated by the buffer member 3 will reduce the movement speed of the driving member 2 along the first rotation direction, but will not make the driving member 2 change rapidly Therefore, the buffering part 3 can slow down the moving speed of the driving part 2, so that the door body 100 can close the cabinet slowly and stably, reducing the door closing noise.
  • the driving member 2 by setting the swinging member 4, the resistance that the driving member 2 receives in the process of moving to the reversing position is small, and the driving member 2 can smoothly move to the reversing position, and then the driving member 2 Driven by the elastic member 5, the driving member 2 can continue to rotate smoothly to resist the resistance of the buffer member 3, so that the door body 100 can be closed smoothly.
  • the door body 100 is not closed, and the door body 100 is separated from the box body.
  • the driving member 2 is in the initial position, and the operator pushes the door body 100, so that the first door hook 1 is driven close to the box body.
  • body movement the first door hook 1 extends into the box, and after the first door hook 1 touches the driver 2, the operator continues to push the door body 100, and the first door hook 1 pushes the driver 2 from the initial position to the reversing direction.
  • position rotation the driving part 2 overcomes the resistance of the elastic part 5 and stretches the elastic part 5.
  • There is a tendency to rotate in the first rotation direction At this time, the operator does not need to continue to push the door body 100, and the driver 2 can continue to rotate in the first rotation direction under the drive of the elastic member 5.
  • the driver 2 is affected by the resistance of the buffer member 3. reduced, the door body 100 can be closed smoothly.
  • the operator pushes the door body 100 to close the box body.
  • the buffer member 3 will exert a resistance to the driving member 2.
  • the operator can get a tactile feedback when receiving the buffering effect of the buffer member 3.
  • the operator feels the resistance, it is not necessary to continue to push the door body 100, and the elastic member 5 can continue to push the door body 100.
  • the driving member 2 By pushing the driving member 2 to rotate along the first rotation direction, the user can clearly perceive the closing process of the door body 100 , which is convenient to use.
  • the door body 100 is not closed, and the door body 100 is separated from the box body.
  • the driving member 2 is in the initial position, and the operator swings the door body 100, and the first door hook 1 moves toward the box body.
  • the first door hook 1 extends into the box, and after the first door hook 1 touches the driver 2, the driver 2 and the first door hook 1 only need to overcome the resistance of the elastic member 5, and the resistance of the second elastic member 5 is relatively small.
  • the driving member 2 can reach the reversing position relatively easily, the elastic member 5 is stretched so that the driving member 2 has a tendency to rotate in the first rotation direction, at this time, the elastic member 5 can drive the driving member 2 to continue to rotate along the first rotation direction direction rotation, the driving member 2 is reduced by the resistance of the buffer member 3, and the door body 100 can be closed smoothly.
  • the driving member 2 can reach the reversing position more easily, and the door body 100 can be closed more easily.
  • the elastic member 5 includes: a first elastic member 51 and a second elastic member 52, and one end on the same side of the first elastic member 51 and the second elastic member 52 is connected to the same position of the driving member 2, The other ends on the same side of the first elastic member 51 and the second elastic member 52 are respectively connected to different positions of the box body.
  • the driving member 2 is in the initial position, the resultant force of the first elastic member 51 and the second elastic member 52 is parallel to the line between one end of the elastic member 5 and the rotation center of the driving member 2 .
  • the resultant force of the first elastic member 51 and the second elastic member 52 makes the elastic member 5 in a balanced state, compared to setting a single elastic member 5
  • the resultant force of the two elastic parts 5 makes the elastic part 5 in a balanced state, which can make the error tolerance rate of the elastic part 5 higher, and can avoid the situation that the elastic part 5 deviates from the balanced state due to accidental touch or shaking, etc., and the door lock device 1000 can be lifted job stability.
  • both the first elastic member 51 and the second elastic member 52 are configured as driving springs.
  • the elastic member 5 includes three or more driving springs. When the driving member 2 is in the initial position, there The connecting line is parallel to the direction of the resultant force of multiple driving springs.
  • the driving member 2 includes: a first leg 21 and a second leg 22 spaced apart, and the first leg 21 and the second leg 22 are integrally formed.
  • the first door hook 1 is suitable for pushing the first foot 21 until the driving part 2 rotates a preset angle along the first rotation direction.
  • the rotation direction rotates and drives the second leg 22 to move until the door body 100 is closed.
  • the movement process of the first door hook 1 will be described in detail below with reference to FIGS. 12-21 .
  • the door body 100 is not closed.
  • the first door hook 1 has just penetrated into the box and has not yet contacted the driver 2.
  • the driver 2 is at the initial position; the door body 100 gradually moves toward the box. close to the body, the first door hook 1 protrudes into the box, and has just come into contact with the first leg 21.
  • the driver 2 is in the initial position, and there is a gap between the driver 2 and the swing member 4; the door 100 continues to move toward the box.
  • the first door hook 1 pushes the first leg 21 to rotate a preset angle along the first rotation direction, and the driving part 2 and the swinging part 4 are completely attached.
  • the first door The hook 1 and the driving part 2 will be resisted by the buffer part 3 at the same time, and the driving part 2 will be subjected to the elastic force of rotating in the first rotation direction, so the speed of the first door hook 1 and the driving part 2 will be different,
  • the moving speed of the driver 2 is faster, the second leg 22 of the driver 2 is in contact with the second side wall 122 of the first door hook 1, and the elastic force of the elastic member 5 is transmitted to the first door hook 1 through the second leg 22,
  • the first door hook 1 will be affected by the elastic force; the door body 100 will be driven by the elastic force to move close to the box body.
  • the movement under the elastic force finally drives the door body 100 to close and reaches the position shown in FIG. 20 .
  • the movement process of the driving member 2 when closing the door is divided into two parts, the first part is moving from the initial position to the reversing position, and the second part is moving from the reversing position to the end position.
  • the first door hook 1 drives the first leg 21 to move
  • the second leg 22 drives the first door hook 1 to move
  • the driver 2 and the first door hook 1 The cooperation between them is ingenious, and the door body 100 can be closed under the action of the door lock device 1000 itself by applying a small force to the door body 100, which provides good user comfort.
  • the first hook portion 12 of the first door hook 1 of the embodiment of the present application is used to cooperate with the driver 2.
  • the first side wall 121 is in contact with the first foot 21, and the first side wall 121 drives the first foot 21 along the first rotation direction
  • the second leg 22 is in contact with the second side wall 122 , and the second leg 22 drives the second side wall 122 to rotate along the first rotation direction.
  • the shape of the driver 2 in the embodiment of the present application is ingeniously designed.
  • This design allows the first door hook 1 to avoid the second leg 22 when the first door hook 1 moves to the inside of the box, and only contacts with the first leg 21 to avoid movement interference.
  • the height of the end of the second leg 22 is designed to allow the first door hook 1 to touch the first leg 21, and when the second leg 22 rotates a preset angle along the first rotation direction, the end of the second leg 22 The height is in direct contact with the second side wall 122 .
  • the second leg 22 By setting the positional relationship between the first leg 21 and the second leg 22, the second leg 22 will not prevent the first door hook 1 from entering between the first leg 21 and the second leg 22, and the second leg 22 can be realized.
  • the function of the two legs 22 to drive the movement of the first door hook 1 is to simplify the structure of the driving part 2 .
  • the position where the first leg 21 contacts the first door hook 1 is located below the first leg 21, which increases the moment length of the driving member 2 to rotate, and improves the movement fluency of the first leg 21 rotating along the first rotation direction
  • the contact portion between the first leg 21 and the first door hook 1 is configured in an arc shape, the first door hook 1 and the first leg 21 are in smooth contact, and the first leg 21 is prevented from being damaged by impact.
  • the contact portion between the second leg 22 and the first door hook 1 is also configured as an arc, which can make the second leg 22 contact with the first door hook 1 smoothly, and avoid the second leg 22 and the first door hook 1 from being damaged by impact.
  • the arc-shaped second leg 22 can smoothly transmit power to the first door hook 1 , reducing power loss and improving the smoothness of movement of the first door hook 1 .
  • the door lock device 1000 further includes: a bracket 200 , the bracket 200 is disposed on the box body, and the driving member 2 is rotatably disposed on the bracket 200 .
  • the bracket 200 in the box is a component for matching the door 100 with the box, and the driving part 2 , the buffering part 3 and the swinging part 4 are all arranged on the bracket 200 .
  • the bracket 200 is also provided with a movable protection block 202. As shown in FIG. 7, the protection block 202 moves along a straight line extending direction perpendicular to the plane where the bracket 200 is located. With the orientation shown in FIG. 10, the protection block 202 can move forward and backward. direction to move.
  • a limiting slot 2021 is provided on the protection block 202 , and in the initial position, the first leg 21 snaps into the limiting slot 2021 .
  • the elastic member 5 is in a balanced state, and the driving member 2 remains motionless when no external force is applied.
  • the driving member 2 can be subjected to an external force.
  • the limiting groove 2021 can limit the movement of the first leg 21, thereby limiting the drive.
  • the rotation range of the driving part 2 further improves the stability of the driving part 2. Even if the driving part 2 rotates due to an external force not caused by closing the door, the limit groove 2021 will limit the rotation range of the driving part 2, and the driving part 2 can be elastically Return to the initial position under the action of piece 5.
  • the first door hook 1 when the first door hook 1 moves toward the first leg 21 , the first door hook 1 drives the protection block 202 to move relative to the support 200 , so that The limiting groove 2021 is separated from the first leg 21 , so that the first door hook 1 can push the first leg 21 to rotate greatly.
  • the first door hook 1 drives the protection block 202 to move to the right relative to the bracket 200 , and the limiting groove 2021 is disengaged from the first leg 21 .
  • the protective block 202 is provided with a guiding part on one side of the first door hook 1. When the first door hook 1 is driven backward, the guiding part is squeezed to decompose the force into a backward direction. force, so that the first door hook 1 can smoothly drive the protection block 202 to move relative to the bracket 200 .
  • the protection block 202 is installed on the bracket 200, and the protection block 202 is also provided with a first return spring 204.
  • the first return spring 204 When the driving member 2 is in the initial position, the first return spring 204 is in a normal state.
  • the protection block 202 compresses the first return spring 204, and the first return spring 204 is in a compressed state, and the protection block 202 is driven to move away from The direction of the support 200 moves; when the first door hook 1 no longer drives the protection block 202, the protection block 202 can return to its original position under the action of the first return spring 204, and the first return spring 204 returns to the normal state .
  • the elastic member 5 is arranged on one side of the support 200, the driving member 2 and the swing member 4 are arranged on the other side of the support 200, and the support 200 is provided with an elastic member.
  • One end of 5 passes through the via hole 201.
  • the elastic member 5 is arranged on one side of the bracket 200, and the driving member 2, the swing member 4 and the first door hook 1 are all arranged on the other side of the bracket 200. This design makes the movement of the elastic member 5 and the movement of the first door hook 1 The movements of the door lock device 1000 are isolated from each other without movement interference, and the working stability of the door lock device 1000 is improved.
  • a through hole 201 is provided on the bracket 200 , and one end of the elastic member 5 passes through the through hole 201 and is connected to the driving member 2 , so as to transmit the elastic force to the driving member 2 .
  • a connecting post protruding from the surface of the driving part 2 is provided on the end surface of the driving part 2 facing the bracket 200.
  • the connecting post extends into the via hole 201 and cooperates with the via hole 201.
  • One end of the member 5 is fixedly connected to the connecting post, so that the elastic member 5 can drive the connecting post to slide in the via hole 201 .
  • the shape of the via hole 201 can be various.
  • the via hole 201 can be an arc-shaped hole or an oblong hole.
  • the direction of rotation turns, and there is no motion interference with the drive member 2 .
  • the through hole 201 does not play a role in restricting the rotation of the driving member 2 , and the through hole 201 allows the driving member 2 to be pushed by the first hook portion 12 or driven by the elastic member 5 .
  • a blocking portion 206 is provided on the bracket 200, and the blocking portion 206 protrudes from the surface of the bracket 200.
  • the second The leg 22 abuts against the blocking part 206, and the blocking part 206 can limit the driving part 2 to prevent the driving part 2 from being rotated away from the first rotation direction by an external force, so that the driving part 2 can remain stationary at the initial position.
  • the second leg 22 is provided with a raised portion protruding away from the direction of the first leg 21, the raised portion is used to abut against the blocking portion 206, the raised portion may have an arc-shaped side, and the blocking portion 206 is also It may have an arc-shaped side, and the arc-shaped side of the protrusion may abut against the arc-shaped side of the blocking portion 206 to achieve contact.
  • the position of the driving member 2 can be reasonably arranged by setting the protruding part, and the space of the door lock device 1000 can be rationally utilized.
  • the blocking portion 206 may not be provided, and the movement of the driving member 2 is limited by the hole wall of the via hole 201 , so that the driving member 2 remains stationary at the initial position.
  • the door lock device 1000 further includes: a second door hook 6, the second door hook 6 is adapted to be connected with the door body 100, and the second door hook 6 is adapted to After the position is set, it is clamped and matched with the moving inclined block 203 on the box body.
  • the second door hook 6 is also arranged on the door body 100. In the height direction, the second door hook 6 is located above the first door hook 1.
  • the first door hook 1 and the second door hook 6 both move towards the box body, when the first door hook 1 moves to the preset position in the box body, the second door hook 6 is engaged with the moving inclined block 203 on the box body, thereby closing the door body 100 is connected with the box body, and the door body 100 is closed.
  • the first door hook 1 plays the role of driving the door body 100 to move
  • the second door hook 6 closes the door body 100 after the first door hook 1 moves to the preset position
  • the second door hook 6 plays the role of closing the door. effect.
  • the second door hook 6 is provided with a hook 62
  • the moving inclined block 203 is provided with a wedge-shaped surface facing the door body 100 and a clamping surface facing away from the door body 100
  • the hook 62 cooperates with the wedge-shaped surface to drive the moving inclined block 203 to move until the hook 62 passes over the wedge-shaped surface and engages with the clamping surface.
  • the second door hook 6 includes: a second installation part 61 and a hook 62, the second installation part 61 is connected with the door body 100, the hook 62 protrudes from the door body 100, and the hook 62 can extend into In the box, when the door 100 moves close to the box, the second door hook 6 moves towards the box, and the hook 62 extends into the box, and the hook 62 can be engaged with the moving inclined block 203 in the box.
  • the moving slanting block 203 is at least partly located on the moving path of the second door hook 6, and the moving slanting block 203 can move relative to the support 200, so that the second door hook 6 can be avoided, so that the second door hook 6 can extend into the inside of the box to close the door.
  • Body 100 is closed, as shown in Fig. 16 and Fig. 18, the moving slanting block 203 can move up and down, and the second return spring 205 is also arranged between the moving slanting block 203 and the support 200, and the moving slanting block When 203 is not driven, the second return spring 205 is in a normal state.
  • the moving inclined block 203 When the moving inclined block 203 is driven by the second door hook 6 to move downward relative to the bracket 200, the moving inclined block 203 compresses the second return spring 205, and the second return spring 205 is compressed by the moving inclined block 203.
  • the second return spring 205 is in a compressed state, and there is a tendency to drive the moving slanting block 203 towards the direction away from the support 200; Return to the original position under the action of 205, and the second return spring 205 returns to the normal state.
  • the hook 62 includes a third side wall 621 facing away from the door body 100 and a fourth side wall 622 facing the door body 100.
  • a wedge-shaped surface facing the door body 100 is provided on the moving inclined block 203, and the hook 62 extends into the box.
  • the third side wall 621 is first in contact with the wedge-shaped surface, and the hook 62 cooperates with the wedge-shaped surface to drive the moving slanting block 203 to move downward. After moving the slanting block 203, the moving slanting block 203 is no longer driven by the second door hook 6, and the moving slanting block 203 returns to its original position under the action of the second return spring 205.
  • the clamping surface of the door 100 is opposite to the fourth side wall 622 of the hook, and the fourth side wall 622 can be clamped with the clamping surface to limit the second hook 62 so as to limit the door 100 to the closed position.
  • the door lock device 1000 further includes: a micro switch 7 suitable for detecting whether the first door hook 1 and/or the second door hook 6 are in place, and the micro switch 7 can detect whether the first door hook 1 or the second door hook 6 is in place, that is, to detect whether the door body 100 is closed, the micro switch 7 can send the detection result to the control center, and after detecting that the door body 100 has been closed, the control center starts cooking or Sound and light and other functions.
  • the door lock device 1000 of the embodiment of the present application is applied to cooking utensils. Therefore, after confirming that the door body 100 is closed, the control center restarts the cooking function in the box, which can prevent microwaves or hot air from flowing out of the box, and can improve the safety of users. sex.
  • the micro switch 7 is arranged on the support 200, and the micro switch 7 is provided with a contact point. Elements such as the first door hook 1, the second door hook 6, the driving part 2 or the elastic part 5 can be connected with the contact point after moving to the position. contact, the micro switch 7 can detect whether the door body 100 is closed.
  • the microswitch 7 includes: a first microswitch 71, a second microswitch 72 and a third microswitch 73, the first microswitch 71 and the second microswitch
  • the second microswitch 72 is arranged on the other side of the support 200, that is, on the same side of the support 200 as the driver 2 and the swing member 4;
  • the third microswitch 73 is arranged on one side of the support 200, that is, with the elastic member 5 on the same side of the bracket 200.
  • the first microswitch 71 is suitable for detecting whether the first leg 21 is in place
  • the second microswitch 72 is suitable for detecting whether the hook 62 is in place
  • the third microswitch 73 is suitable for detecting whether the elastic member 5 is in place
  • the first The micro switch 71 is used to send a contact signal to the controller
  • the second micro switch 72 is used to send a microwave generation signal to the controller
  • the third micro switch 73 is used to send a light signal to the controller.
  • the first microswitch 71 is triggered, and the first microswitch 71 detects that the door body 100 is closed and sends a contact signal to the controller.
  • the microwave generation signal or/and the light signal from the third microswitch 73 but when the first microswitch 71 is not triggered and the control center does not receive the sweep contact signal, even if the control center is received from the second microswitch 72
  • the microwave generation signal or/and the light signal from the third microswitch 73 will not be executed by the control center, and three microswitches 7 are provided to improve the safety of the door lock device 1000, and avoid false touches to cause the cooking function to run.
  • the cooking appliance according to the embodiment of the present application includes any one of the above-mentioned door lock devices 1000 .
  • the closing noise of the cooking appliance is low, the door is convenient to close, the operation is convenient, and the user satisfaction is high.
  • the cooking utensils can be equipment such as microwave ovens, ovens, etc.
  • the door body 100 can be hinged on the box body through vertical hinges, and the door lock device 1000 can be applied on the side away from the hinged position of the door body 100 and the box body.
  • the structure and function of the door lock device 1000 are the same as those of the above-mentioned embodiments, for details, reference may be made to the above-mentioned embodiments, and details will not be repeated here.
  • the door closing process of the door lock device 1000 is as follows:
  • the door body 100 gradually approaches the box body, the first hook-shaped part 12 drives the protection block 202 to move relative to the bracket 200, so that the first leg 21 escapes from the limiting groove 2021, and the first hook-shaped part 12 gradually moves toward the first leg 21.
  • the first side wall 121 is just in contact with the first leg 21, at this time the second door hook 6 is not in contact with the moving inclined block 203, the driving part 2 is in the initial position, and the driving part 2 There is a gap between the swing member and the swing member 4, and the elastic member 5 is still in a balanced position.
  • the door 100 continues to approach the box, the first hook 12 drives the first leg 21 to make the driving part 2 rotate a preset angle along the first rotation direction, the driving part 2 and the swinging part 4 are completely attached, and the driving part 2 reaches the replacement position.
  • the door body 100 is in the third position at this time, the second door hook 6 has not yet contacted the moving inclined block 203, the first door hook 1 and the driving part 2 will be simultaneously received from the buffer part 3
  • the elastic member 5 is stretched to apply an elastic force to the driving member 2 to rotate in the first rotation direction, so the speed of the first door hook 1 and the driving member 2 will be different, and the moving speed of the driving member 2 is faster
  • the second leg 22 of the driver 2 is in contact with the second side wall 122 of the first door hook 1, the elastic force of the elastic member 5 is transmitted to the first door hook 1 through the second leg 22, and the first door hook 1 will Under the action of the elastic force, the first door hook 1 is driven by the second leg 22 to make the door body 100 continue to approach
  • the door body 100 is driven towards the cabinet by the driving member 2, as shown in Figure 16, when the door body 100 is in the fourth position, the first door hook 1 is driven by the second leg 22 to move, and the third side of the second door hook 6 Just after the wall 621 is in contact with the wedge-shaped surface, the elastic force of the elastic member 5 drives the driving member 2 to continue to rotate along the first rotation direction, and the buffer member 3 slows down the moving speed of the elastic member 5 along the first rotation direction.
  • the door body 100 continues to be driven towards the box body by the driving member 2, but the movement speed of the door body 100 gradually decreases.
  • the first door hook 1 is driven by the second leg 22 Movement
  • the hook 62 presses the moving inclined block 203 toward the bracket 200
  • the elastic force of the elastic member 5 drives the driving member 2 to continue to rotate along the first rotation direction
  • the buffer member 3 slows down the moving speed of the elastic member 5 along the first rotation direction.
  • the door body 100 is buffered by the buffer member 3, and slowly stops moving and closes the box body. As shown in FIG. The force balance of the elastic part 5 and the buffer part 3 on the driving part 2, the driving part 2 stops at the end position, the hook 62 crosses the wedge surface, and the fourth side wall 622 of the hook 62 is in contact with the moving inclined block The clamping surface of 203 is clamped, thereby relatively fixing the door body 100 and the box body.
  • the door opening process of the door lock device 1000 is just opposite to the door closing process.
  • the door body 100 moves from the closed position to the first position.
  • the first door hook 1 drives the second leg 22 Move, so that the driving member 2 rotates away from the first rotation direction, so that the driving member 2 returns to the initial position, and the elastic member 5 returns to the equilibrium state under the action of the driving member 2, and the driving member 2 is stabilized at the initial position, which can make the Drive 2 prepares for closing the door next time.
  • references to the terms “one embodiment,” “some embodiments,” “exemplary embodiments,” “example,” “specific examples,” or “some examples” are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application.
  • schematic representations of the above terms do not necessarily refer to the same embodiment or example.
  • the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

Dispositif de verrouillage de porte (1000), comprenant : un premier crochet (1) de porte, un élément d'entraînement (2), un élément tampon (3) et un élément oscillant (4). Une extrémité du premier crochet (1) de porte est apte à être reliée à un corps (100) de porte ; l'élément d'entraînement (2) est disposé rotatif sur une boîte, et l'élément d'entraînement (2) est approprié pour tourner dans une première direction de rotation par rapport à la boîte sous la poussée du premier crochet (1) de porte ; l'élément tampon (3) est disposé sur la boîte et est utilisé pour ralentir une vitesse de déplacement de l'élément d'entraînement (2) dans la première direction de rotation ; et l'élément oscillant (4) est relié à l'élément tampon (3), et l'élément oscillant (4) est au moins partiellement espacé de l'élément d'entraînement (2), de façon à tourner conjointement avec l'élément d'entraînement (2) après que l'élément d'entraînement (2) a tourné d'un angle prédéfini dans la première direction de rotation.
PCT/CN2022/144091 2021-12-31 2022-12-30 Dispositif de verrouillage de porte et appareil de cuisson WO2023125966A1 (fr)

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CN202123455868.5U CN217054764U (zh) 2021-12-31 2021-12-31 门锁装置及烹饪器具
CN202123455868.5 2021-12-31

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Publication number Priority date Publication date Assignee Title
CN217054764U (zh) * 2021-12-31 2022-07-26 广东美的厨房电器制造有限公司 门锁装置及烹饪器具
CN118517200A (zh) * 2023-02-17 2024-08-20 广东美的厨房电器制造有限公司 锁结构和烹饪器具

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CN111270917A (zh) * 2020-01-22 2020-06-12 广东格兰仕集团有限公司 烹饪电器
CN113585888A (zh) * 2021-08-27 2021-11-02 广东美的厨房电器制造有限公司 门锁装置及烹饪器具
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