CN112656200B

CN112656200B - Cooking utensil

Info

Publication number: CN112656200B
Application number: CN202011640749.4A
Authority: CN
Inventors: 赵在满; 宋江闽; 崔永杰; 熊禹; 刘刚; 王�义
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-04-05
Anticipated expiration: 2040-12-31
Also published as: CN112656200A

Abstract

The invention discloses a cooking appliance, which comprises a cavity, a door body and a door lock assembly, wherein the cavity is provided with a cooking cavity; the door body is used for closing or opening the cooking cavity; the door lock assembly comprises a door hook, a clamping hook, a lock shell and a power mechanism; the lock shell is rotatably arranged on the door body, the door hook is arranged on the lock shell, the hook is matched with the door hook to lock the door body, the power mechanism is arranged on the cavity, and the power mechanism is used for driving the door hook to rotate. Through rotationally locating the lock shell the door body, the door colludes and locates the lock shell, can collude the rotation or rotate through the hand push lock shell through power unit drive door, and then drive the door and collude the rotation to realize the effect that the door colludes and breaks away from the trip, reached and realized the purpose of opening the door through electronic and manual dual mode.

Description

Cooking utensil

Technical Field

The invention relates to the technical field of cooking, in particular to a cooking appliance.

Background

In the correlation technique, in order to save more laborsaving for opening the door, some cooking utensils have adopted the electronic mode of opening the door to replace manual mode of opening the door, nevertheless under the circumstances that the outage or electronic door that opens became invalid, the electronic mode of opening the door has the problem that can't open the furnace gate.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a cooking appliance, which can realize door opening through an electric mode and a manual mode.

The cooking appliance comprises a cavity, a door body and a door lock assembly, wherein the cavity is provided with a cooking cavity; the door body is used for closing or opening the cooking cavity; the door lock assembly comprises a door hook, a clamping hook, a lock shell and a power mechanism; the lock shell is rotatably arranged on the door body, the door hook is arranged on the lock shell, the hook is matched with the door hook to lock the door body, the power mechanism is arranged on the cavity, and the power mechanism is used for driving the door hook to rotate.

According to the cooking utensil provided by the embodiment of the invention, at least the following beneficial effects are achieved: through rotationally locating the lock shell the door body, the door colludes and locates the lock shell, can collude the rotation or rotate through the hand push lock shell through power unit drive door, and then drive the door and collude the rotation to realize the effect that the door colludes and breaks away from the trip, reached and realized the purpose of opening the door through electronic and manual dual mode.

According to some embodiments of the invention, the door hook is rotatably disposed on the lock case, the lock case includes a limiting portion abutting against the door hook, and the limiting portion is located on a side of the door hook close to the cavity.

According to some embodiments of the invention, the door hook is provided with a limiting hole, and the lock shell is provided with a limiting column penetrating through the limiting hole.

According to some embodiments of the invention, the door lock assembly further comprises a first return spring connected to the door hook.

According to some embodiments of the invention, the lock case is connected to the door body by a pin, the door lock assembly further includes a mounting plate connected to the pin, and one end of the mounting plate is connected to the first return spring.

According to some embodiments of the invention, the door lock assembly further comprises a second return spring, and the other end of the mounting plate is connected to the lock case through the second return spring.

According to some embodiments of the invention, the mounting plate is rotatably connected to the pin to form a lever structure.

According to some embodiments of the invention, the cavity is provided with a first recess, the door body is provided with a second recess, and the first recess and the second recess form a groove for accommodating the lock case.

According to some embodiments of the invention, the door lock assembly further comprises a handle provided to the lock housing.

According to some embodiments of the invention, one end of the door body is hinged to the cavity, and the lock case is located at the other end of the door body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

fig. 1 and 2 are schematic views of a cooking appliance according to an embodiment of the present invention from two different perspectives;

FIG. 3 is a schematic view of the door lock assembly shown in FIG. 1 (without the latch and power mechanism);

fig. 4 is a cross-sectional view of the cooking appliance shown in fig. 2 in a closed state;

fig. 5 is a sectional view of the cooking appliance shown in fig. 2 in an open state;

FIG. 6 is a schematic view of the door lock assembly shown in FIG. 5 during electrically powered opening of the door;

fig. 7 is a schematic view illustrating the operation of the door lock assembly shown in fig. 5 when the door is opened manually.

Reference numerals:

101. a cavity; 102. a door body; 103. a cooking cavity; 104. a hook is clamped; 105. a lock case; 106. a power mechanism; 107. a handle; 108. a second recess;

301. a connecting plate; 302. connecting holes; 303. a pin shaft; 304. a door hook; 305. a mounting cavity; 306. a mounting seat; 307. mounting a plate; 308. a second return spring;

401. a limiting part; 402. a first return spring; 403. a limiting hole; 404. a limiting column;

601. a first limit position; 602. a second limit position;

701. a first rotational position; 702. a second rotational position.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A cooking appliance according to an embodiment of the present invention will be described with reference to fig. 1 to 7.

Referring to fig. 1 and 2, the cooking appliance according to the embodiment of the present invention includes a cavity 101, a door 102, and a door lock assembly, wherein the cavity 101 has a cooking cavity 103; the door 102 is connected to the cavity 101, and the door 102 is used for closing or opening the cooking cavity 103, specifically, the door 102 is movably connected to the cavity 101 between an open position and a closed position, the door 102 opens the cooking cavity 103 at the open position, and the door 102 closes the cooking cavity 103 at the closed position. The connection mode between the door 102 and the cavity 101 may be a hinged connection or a sliding connection.

Referring to fig. 1 to 3, it can be understood that one end of the door body 102 is hinged to the cavity 101, and the door lock assembly is located at the other end of the door body 102. The door 102 is connected to the cavity 101 via a hinge (not shown), and the cooking cavity 103 is opened and closed in a rotating manner. It is understood that the door 102 may also be connected to the cavity 101 through a sliding rail mechanism, and the cooking cavity 103 may be opened and closed in a sliding manner.

Referring to fig. 3 to 5, it can be understood that the door lock assembly is used for locking and unlocking the door body 102 and the cavity 101, and includes a door hook 304, a hook 104, a lock case 105 and a power mechanism 106; the hook 104 is fixed on the cavity 101, the lock case 105 is connected to the door 102, the lock case 105 can rotate relative to the door 102, the door hook 304 is connected to the lock case 105, and the hook 104 is matched with the door hook 304 to lock the door 102. That is, the hook 104 is abutted and matched with the door hook 304, and when no external force is applied, the door hook 304 hooks the hook 104, and the door hook 304 cannot be separated from the hook 104 due to the limitation of the hook 104, thereby ensuring that the door 102 is fastened on the cavity 101. When the door hook 304 is acted by an external force, the door hook 304 is separated from the hook 104, and the door body 102 can open the cooking cavity 103 of the cavity 101 because the door hook 304 is separated from the limit of the hook 104.

The power mechanism 106 is disposed on the cavity 101, and the power mechanism 106 includes a push rod for driving the door hook 304 to rotate. It can be understood that power unit 106 can include drive arrangement such as motor, carry out concertina movement or rotary motion through motor drive push rod, and then drive door hook 304 and move towards the direction of keeping away from trip 104, when door hook 304 and lock shell 105 fixed connection, door hook 304 also can take lock shell 105 to move together, and lock shell 105 can rotate around the pin joint with door body 102, and then lock shell 105 also can take door hook 304 to rotate together, when door hook 304 rotates to breaking away from trip 104, power unit 106 accomplishes the action of opening door body 102, realize electronic opening the door promptly.

In other words, when the door body 102 is at the closing position, the power mechanism 106 can provide an acting force for the door hook 304 to open the door body 102, so that when the door body 102 is opened, the power mechanism 106 drives the door hook 304 to move, the door opening is convenient and labor-saving, and the door opening efficiency can be improved.

It can be understood that can also drive door hook 304 through manual mode and rotate and open the door, use the hand push lock shell 105 promptly for lock shell 105 rotates around the pin joint with door body 102, and then lock shell 105 also can take door hook 304 to rotate together, when door hook 304 rotates to breaking away from trip 104, power unit 106 accomplishes the action of opening door body 102, realizes opening the door manually promptly. In this way, when the power supply is cut off or the power mechanism 106 fails, the user can manually open the door 102 for emergency use.

Referring to fig. 1 and 2, it can be understood that the door lock assembly further includes a handle 107, the handle 107 is disposed on the lock housing 105, the handle 107 provides a force application point for a user, the user can grasp the force application point conveniently, and then the lock housing 105 is rotated towards the cooking cavity 103 to open the door 102, or the handle 107 is extracted upwards to open the door 102, so that a larger space is formed between the door 102 and the cavity 101. The handle 107 is convenient for the user to operate, and specifically, the user can hold the handle 107 to conveniently rotate the lock housing 105 to disengage or engage the hook 304 with the hook 104, i.e., the user can manually control the engagement or disengagement of the hook 304 with the hook 104. The handle 107 may be formed to be recessed in the lock case 105, instead of being formed to be protruded in the lock case 105 as shown in the figure.

Referring to fig. 1 and 2, it can be understood that the cavity 101 is provided with a first recess (not shown), the door body 102 is provided with a second recess 108, and the first recess and the second recess 108 form a groove for accommodating the lock case 105. The first concave part and the second concave part 108 are both located at the edge of the connection part of the door body 102 and the cavity 101, and the first concave part and the second concave part 108 are both arranged to have an open structure at two adjacent sides, so that after the door body 102 and the cavity 101 are closed, the first concave part and the second concave part 108 define a groove, and the lock case 105 is convenient to place. The lock shell 105 is placed in the groove, the lock shell 105 can be prevented from being accidentally collided to influence the performance of the door lock assembly, meanwhile, the outer surface of the lock shell 105 is flush with the outer surfaces of the door body 102 and the cavity 101, integrity can be improved, and appearance quality can be improved.

Referring to fig. 1, it can be appreciated that the power mechanism 106 includes two push rods spaced apart from each other. When the door body 102 is buckled with the cavity 101, the two push rods are symmetrically arranged about the center of the lock shell 105 to ensure the stress balance of the lock shell 105, so that the lock shell 105 can move more stably, and the problems of blocking caused by unbalanced stress and the like are prevented.

Referring to fig. 1, it can be understood that the door lock assembly includes two hooks 104, and the two hooks 104 are spaced apart from each other. When the door 102 is fastened with the cavity 101, the two hooks 104 are symmetrically arranged about the center of the lock case 105 to ensure that the lock case 105 is stressed in balance, so that the door 102 is fastened with the cavity 101 more tightly. Correspondingly, the door lock assembly includes two hooks 304, and the two hooks 304 are disposed in one-to-one correspondence with the two hooks 104.

It should be noted that the number of the push rod, the hook 104 and the hook 304 may be one, two or more.

Referring to fig. 3, it can be understood that the lock case 105 is connected to the door body 102 through two connecting plates 301, the two connecting plates 301 are respectively disposed at two opposite sides of the lock case 105, a plurality of connecting holes 302 are disposed on the connecting plates 301, and screws pass through the connecting holes 302 to fix the connecting plates 301 to the door body 102, i.e., the connecting plates 301 are fixed opposite to the door body 102. The lock case 105 is connected to the connecting plate 301 through a pin 303, and the lock case 105 can rotate relative to the connecting plate 301, so that the lock case 105 and the door body 102 can rotate relative to each other.

Referring to fig. 3, it can be understood that the lock housing 105 has a mounting cavity 305, and the door hook 304 is mounted in the mounting cavity 305, so as to reduce the volume of the door lock assembly, and further reduce the space occupied by the door lock assembly.

Referring to fig. 3, it will be appreciated that the lock housing 105 includes a mounting base 306, and the door hook 304 is rotatably mounted on the mounting base 306, so that the power mechanism 106 only needs to drive the door hook 304 to rotate and not the lock housing 105 to rotate when the door is opened in an electric manner. That is, when the door is opened electrically, the lock case 105 remains stationary relative to the door 102, and the hook 304 rotates relative to the mounting seat 306, and when the hook 304 moves to disengage from the hook 104, the hook 304 disengages from the limit of the hook 104, so that the door 102 can open the cooking cavity 103 of the cavity 101. The advantage of this scheme is that power unit 106 drive door hook 304 rotation required effort is littleer, and the action of opening the door is also littleer, and power unit 106 also can adopt the motor of less specification, is favorable to reducing occupation space and reduce cost.

Referring to fig. 4 to 7, it can be understood that the lock case 105 further includes a limiting portion 401 abutting against the door hook 304, and the limiting portion 401 is located on a side of the door hook 304 close to the cavity 101. When the door is opened manually, the lock case 105 rotates around the pin shaft 303, and the limit part 401 drives the door hook 304 to rotate together, so that the door hook 304 moves towards the direction far away from the hook 104, when the door hook 304 moves to be separated from the hook 104, the door hook 304 is separated from the limit of the hook 104, and the door body 102 can open the cooking cavity 103 of the cavity 101.

As can be appreciated with reference to fig. 4-7, the door lock assembly further includes a first return spring 402 coupled to the hook 304. When the door is opened, the power mechanism 106 performs a door opening action, that is, the push rod extends out, the door hook 304 rotates around the mounting seat 306 under the driving of the power mechanism 106, because the first return spring 402 is connected with the door hook 304, the first return spring 402 is compressed when the door hook 304 rotates, the door body 102 is opened after the resistance of the first return spring 402 is overcome, and when the push rod is separated from the door hook 304, the first return spring 402 provides the boosting force for the reset of the door hook 304, so that the door hook 304 can be reset. When the door is closed, the hook 304 first contacts the hook 104, during the door closing process, the hook 304 gradually rotates toward the first return spring 402 and compresses the first return spring 402, and after the hook 304 passes over the hook 104, the first return spring 402 provides the assisting force for the hook 304 to return, so that the hook 304 is returned and the hook 304 is fastened to the hook 104.

It should be noted that the first return spring 402 may also be a torsion spring connected to the door hook 304.

Referring to fig. 4 to 7, it can be understood that the door hook 304 is provided with a limiting hole 403, the lock case 105 is provided with a limiting post 404, and the limiting post 404 is inserted into the limiting hole 403 to limit the door hook 304, so as to ensure that the door hook 304 rotates between a first limiting position 601 and a second limiting position 602. Referring to fig. 6, when the door is opened, the power mechanism 106 performs a door opening operation and drives the door hook 304 to rotate to the first limit position 601. When the door is closed, the first return spring 402 provides a boosting force for returning the hook 304, so that the hook 304 can be returned to the second limit position 602.

In addition, the first return spring 402 can be well protected by the matching of the limiting hole 403 and the limiting column 404. Specifically, when the door is opened, the power mechanism 106 performs the door opening operation and drives the door hook 304 to rotate, the first return spring 402 is compressed at the same time, and when the door hook 304 rotates to the first limit position 601, the first return spring 402 reaches the maximum set compression amount, which can prevent the first return spring 402 from being compressed excessively and exceeding the rated compression amount, thereby preventing the first return spring 402 from failing. When the door is closed, the first return spring 402 provides the boosting force for returning the door hook 304, so that the door hook 304 can be returned, meanwhile, the first return spring 402 is also extended, and when the door hook 304 rotates to the second limit position 602, the first return spring 402 reaches the maximum set extension amount, thereby preventing the first return spring 402 from being excessively extended due to inertia to affect the elasticity of the first return spring 402.

Referring to fig. 4 to 7, it can be understood that the door lock assembly further includes a mounting plate 307 connected to the pin 303, one end of the mounting plate 307 is connected to the first return spring 402, that is, one end of the first return spring 402 is connected to the mounting plate 307, and the other end of the first return spring 402 is connected to the door hook 304. It will be appreciated that the mounting plate 307 may remain fixed relative to the pin 303, with the mounting plate 307 serving to mount the first return spring 402. It will be appreciated that the mounting plate 307 may also be rotatably connected to the pin 303 to form a lever structure. At this time, one end of the mounting plate 307 is connected to the first return spring 402, the other end of the mounting plate 307 is driven by the lock case 105 in a direct or indirect manner, when the door is opened manually, the lock case 105 is pushed manually, so that the lock case 105 rotates around the pin shaft 303, meanwhile, the mounting plate 307 is driven to rotate, the mounting plate 307 rotates to pull the first return spring 402 to move together, and then the door hook 304 can be driven to be separated from the hook 104.

Referring to fig. 4 to 7, it can be understood that the door lock assembly further includes a second return spring 308, one end of the mounting plate 307 is connected to the first return spring 402, and the other end of the mounting plate 307 is connected to the lock case 105 through the second return spring 308, that is, one end of the second return spring 308 is connected to the mounting plate 307, and the other end of the second return spring 308 is connected to the lock case 105. When carrying out manual door opening, the hand is pushed the lock shell 105 for lock shell 105 rotates around round pin axle 303, and lock shell 105 compresses second reset spring 308 simultaneously, and when manual door opening is accomplished the back, unclamp lock shell 105, second reset spring 308 provides the boosting power that lock shell 105 resets, makes lock shell 105 reset, and does not need manual reset, and convenience of customers operates more.

It should be noted that the second return spring 308 may also be a torsion spring connected to the door hook 304.

It will be appreciated that the mounting plate 307 may remain fixed relative to the pin 303, with the mounting plate 307 serving to mount the first return spring 402 and the second return spring 308. It will be appreciated that the mounting plate 307 may also be rotatably connected to the pin 303 to form a lever structure. At this time, one end of the mounting plate 307 is connected to the first return spring 402, and the other end is driven by the lock case 105 through the second return spring 308. Referring to fig. 7, when the door is opened manually, a user pushes the lock housing 105 to rotate the lock housing 105 around the pin 303 from the first rotation position 701, and simultaneously drives the mounting plate 307 to rotate around the pin 303 through the second return spring 308, the mounting plate 307 rotates to pull the first return spring 402 to move together, so as to drive the hook 304 to disengage from the hook 104, and at this time, the lock housing 105 rotates to the second rotation position 702. When the manual door opening is completed, the lock shell 105 is released, and the second return spring 308 provides boosting force for returning the lock shell 105, so that the lock shell 105 can be returned to the first rotating position 701 without manual returning, and the operation is more convenient for a user.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Cooking appliance, characterized in that it comprises:

a cavity having a cooking cavity;

the door body is used for closing or opening the cooking cavity;

the door lock assembly comprises a door hook, a clamping hook, a lock shell and a power mechanism;

the clamping hook is arranged in the cavity, the lock shell is rotatably arranged on the door body, the door hook is arranged on the lock shell, and the clamping hook is matched with the door hook to lock the door body; the door colludes rotationally to be located the lock shell, the lock shell include with the door colludes the spacing portion of butt, spacing portion is located what the door colluded is close to one side of cavity, so that spacing portion can be along with the lock shell rotates, and drives the door colludes towards keeping away from the direction motion of trip.

2. The cooking appliance according to claim 1, wherein the door hook is provided with a limiting hole, and the lock housing is provided with a limiting column penetrating through the limiting hole.

3. The cooking appliance of claim 1, wherein the door lock assembly further comprises a first return spring coupled to the door hook.

4. The cooking appliance of claim 3, wherein the lock housing is coupled to the door body by a pin, the door lock assembly further comprising a mounting plate coupled to the pin, one end of the mounting plate being coupled to the first return spring.

5. The cooking appliance of claim 4, wherein the door lock assembly further comprises a second return spring, and the other end of the mounting plate is connected to the lock housing by the second return spring.

6. The cooking appliance of claim 5, wherein the mounting plate is rotatably connected to the pin to form a lever structure.

7. The cooking appliance of claim 1, wherein the cavity is provided with a first recess and the door body is provided with a second recess, the first and second recesses forming a groove for receiving the lock housing.

8. The cooking appliance of claim 1, wherein the door lock assembly further comprises a handle disposed in the lock housing.

9. The cooking appliance according to claim 1, wherein one end of the door body is hinged to the cavity, and the lock case is located at the other end of the door body.