CN113236053A

CN113236053A - Door body closing mechanism and kitchen equipment

Info

Publication number: CN113236053A
Application number: CN202110482242.9A
Authority: CN
Inventors: 吴延岐
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: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-08-10

Abstract

The present disclosure relates to a door closing mechanism and a kitchen appliance. The door body closing mechanism is configured to lock the door body with an apparatus main body having an open cavity, and includes: the configuration is to set up in the door body, and collude the mechanism including the door that the door colluded, and the configuration is to set up in the equipment main part and includes the support, the lock joint mechanism of sliding pin and pressure spring, wherein, the support has guide structure, the sliding pin slides and assembles in guide structure and is deviate from guide structure by the restriction, the sliding pin is including configuring as the joint portion that the AND gate colluded the joint, the pressure spring sets up between joint portion and support, at the door body in-process of closing, when the door colludes along joint portion surface slip, the pressure spring is in the compression energy storage state, when the door colludes with joint portion joint, the pressure spring is in the energy release state, wherein, the pressure spring is at the length of energy release state, be greater than the minimum length of pressure spring at the compression energy storage state. The door body closing mechanism and the kitchen equipment provided by the embodiment of the disclosure can realize flexible closing of the door body, make the closing operation of the door body smooth and soft, and reduce the noise when the door body is closed.

Description

Door body closing mechanism and kitchen equipment

Technical Field

The disclosure relates to the technical field of cooking appliances, in particular to a door body closing mechanism and kitchen equipment.

Background

Microwave ovens are cooking appliances that heat themselves by absorbing microwave energy in a microwave field. In a microwave oven in the related art, a user needs to forcibly push a door body toward one side of a cavity of an apparatus main body to close the door body. In this process, the user's hand strongly feels the reaction force from the door body, and the instantaneous noise of the door closing operation is also large.

Similar technical problems exist for other kitchen appliances with door closing mechanisms when closing the door.

Disclosure of Invention

The present disclosure is directed to solving at least one of the technical problems of the prior art. Therefore, an object of the present disclosure is to provide a door closing mechanism and a kitchen appliance, which can flexibly close a door and reduce noise generated when the door is closed.

A door body closing mechanism according to an embodiment of the present disclosure is configured to lock a door body with an apparatus main body having an open cavity, the door body closing mechanism including:

the door hook mechanism is configured to be arranged on the door body and comprises a door hook; and

a lock mechanism configured to be provided to the apparatus main body and including:

a support having a guide structure;

the sliding pin is assembled on the guide structure in a sliding mode and is limited to be disengaged from the guide structure, and the sliding pin comprises a clamping portion which is configured to be clamped with the door hook; and

set up in joint portion with pressure spring between the support, at the door body closing process, work as the door colludes the edge when joint portion surface slides, the pressure spring is in compression energy storage state, work as the door collude with when joint portion joint, the pressure spring is in energy release state, wherein, the pressure spring is in energy release state's length is greater than the pressure spring is in compression energy storage state's minimum length.

According to the door body closing mechanism of the embodiment of the disclosure, the door hook is applied to kitchen equipment, in the process of closing the door body, the door hook slides on the surface of the clamping part, the pressure spring is compressed to be in a compressed energy storage state, and the door hook and the clamping part are in elastic contact, so that force feedback sensed by a hand is continuous, smooth and soft, and due to the fact that hard impact does not exist, door closing noise is small. Therefore, the experience feeling of the user during door closing operation is obviously improved.

The door body closing mechanism according to the above embodiment of the present disclosure may further have any one or a combination of any more of the following additional technical features:

according to the door body closing mechanism of one embodiment of the present disclosure, the sliding pin includes a first guide pillar connected to a side of the clamping portion facing the pressure spring, and the guide structure includes a guide hole, and the first guide pillar is slidably assembled to the guide hole.

According to the door body closing mechanism of one embodiment of the present disclosure, the sliding pin includes a first guide post connected to a side of the clamping portion facing the pressure spring, the guide structure includes a second guide post having a guide hole, the first guide post is slidably sleeved in the guide hole of the second guide post, and the pressure spring is sleeved on the first guide post and the second guide post; or

The sliding pin comprises a first guide pillar connected with one side, facing the pressure spring, of the clamping portion, the first guide pillar is provided with a guide hole, the guide structure comprises a second guide pillar, the second guide pillar is slidably sleeved in the guide hole of the first guide pillar, and the pressure spring is sleeved on the first guide pillar and the second guide pillar.

According to a door body closing mechanism of an embodiment of the present disclosure, the guide structure includes at least one guide groove;

the sliding pin comprises at least one guide rib connected with one side of the pressure spring and oriented towards the clamping portion, the sliding assembly of the at least one guide rib in one-to-one correspondence is arranged on the at least one guide groove, each guide rib deviates from the clamping portion, one end of the clamping portion is limited, the guide rib is guided to deviate from the sliding direction of the guide rib, and the guide rib is reversely hooked on the guide groove.

Through the structural scheme of above embodiment, can realize the sliding assembly of sliding pin and support to the structure is reliable, and the direction is steady.

According to a door body closing mechanism of an embodiment of the present disclosure, the bracket includes a first plate portion and a second plate portion that are arranged in parallel, and the at least one guide groove includes a plurality of guide grooves that are opened in the first plate portion and the second plate portion. Thereby, more smooth and accurate guidance is provided for the sliding of the sliding pin relative to the bracket.

According to the door body closing mechanism of one embodiment of the present disclosure, a surface of the clamping portion, which faces away from the pressure spring, is a slope surface, and the door hook has a sliding surface configured to be in surface contact with the slope surface. Therefore, in the closing process of the door body, force feedback sensed by hands can be more continuous, smooth and soft.

According to the door body closing mechanism disclosed by the embodiment of the disclosure, the door hook mechanism comprises at least two door hooks, the door hook mechanism further comprises a linkage plate connected with the at least two door hooks, and tension springs respectively connected with the door body and the linkage plate, wherein the linkage plate can be driven by the at least two door hooks to float relative to the door body;

the locking mechanism comprises at least two sliding pins which are arranged in one-to-one correspondence with the at least two door hooks, and at least two pressure springs which are arranged in one-to-one correspondence with the at least two sliding pins, and the support is provided with at least two groups of guide structures which are arranged in one-to-one correspondence with the at least two sliding pins. Through the locking design of at least two groups of door hooks and sliding pins, the mechanical reliability of locking the door body and the equipment main body can be improved, and therefore the use safety of the equipment is improved. In addition, the linkage design of at least two door hooks makes the operation of closing the door more convenient.

According to a door body closing mechanism of an embodiment of this disclosure, still include: the door body opening operation portion is configured to be arranged on the front side of the door body, and the door body opening operation portion can drive the linkage plate to move along the stretching direction of the tension spring when being triggered, so that the at least two doors are hooked with the clamping portions of the at least two sliding pins to release clamping.

According to the door body closing mechanism of an embodiment of the present disclosure, the locking mechanism further includes at least one switch disposed on the bracket, and the switch is configured to respectively output an electrical signal under the condition that the at least two door hooks are clamped with the clamping portions of the at least two sliding pins in a one-to-one correspondence manner. The number of switches and the trigger logic can be designed accordingly according to the specific product type of the kitchen equipment and the safety and function requirements to be achieved.

According to a door body closing mechanism of an embodiment of the disclosure, the at least one switch comprises a plurality of switches, and the plurality of switches comprise at least two stages of switches triggered in a linkage manner, wherein at least two first-stage switches are configured to be triggered by the at least two hooks in a one-to-one correspondence manner to output electric signals. By designing the trigger logic of a plurality of switches, the safety and the functionality of the equipment can be improved.

A cooking appliance according to one embodiment of the present disclosure includes:

a device body having an open cavity;

a door body hinged to the apparatus main body and configured to open and close the open cavity; and

according to any one of the technical schemes, the door body closing mechanism is characterized in that the door hook mechanism is arranged on the opposite side of the hinge side of the door body, and the locking mechanism is arranged on the opposite side of the hinge side of the equipment main body.

According to the kitchen equipment of the embodiment of the disclosure, because the door body closing mechanism is included, the operation of the door body of the kitchen equipment is smoother and softer when the door body is closed, and the noise when the door body is closed is smaller.

The cooking device according to the above-mentioned embodiment of the present disclosure may further have any one or a combination of any more of the following additional technical features:

according to an embodiment of the present disclosure, the door body includes a left opening door body, a right opening door body, an upper opening door body or a lower opening door body.

According to the kitchen equipment disclosed by the embodiment of the disclosure, the door body is a left-opening door body or a right-opening door body, and the hook opening direction of the door hook faces upwards or downwards.

A kitchen appliance according to one embodiment of the present disclosure includes an embedded kitchen appliance.

A kitchen appliance according to one embodiment of the present disclosure includes a microwave oven, a light wave oven, an oven, a steam box, a steam oven, a dishwasher, or a sterilizer.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.

FIG. 1 illustrates a perspective view of a kitchen appliance, according to some exemplary embodiments of the present disclosure;

fig. 2 illustrates a perspective view of a door closure mechanism according to some exemplary embodiments of the present disclosure;

FIG. 3 illustrates a front view schematic diagram of a door closure mechanism according to some exemplary embodiments of the present disclosure;

FIG. 4 illustrates an exploded view of the latch mechanism of the door closure mechanism according to some exemplary embodiments of the present disclosure;

FIG. 5 illustrates a front structural view of a latch mechanism of a door closure mechanism according to some exemplary embodiments of the present disclosure;

fig. 6 illustrates a perspective view of a latch mechanism of a door closure mechanism according to some exemplary embodiments of the present disclosure;

fig. 7 is a schematic perspective view of a bracket of a door closure mechanism according to some exemplary embodiments of the present disclosure;

FIG. 8 illustrates a schematic diagram of the operation of a door closure mechanism according to some exemplary embodiments of the present disclosure;

FIG. 9A illustrates a schematic front view of a slide pin of a door closure mechanism according to some exemplary embodiments of the present disclosure;

fig. 9B illustrates a perspective view of a slide pin of a door closure mechanism according to some exemplary embodiments of the present disclosure from one perspective; and

fig. 9C illustrates a perspective view of a slide pin of a door closure mechanism according to some exemplary embodiments of the present disclosure from another perspective.

Description of reference numerals:

1-kitchen appliances; 100-door closing mechanism; 11-a door body; 12-a device body; 101-door hook; 131-a support;

132-a guide structure; 133-sliding pin; 31-a snap-in part; 134-pressure spring; 32-a first guide pillar; 21-a second guide pillar;

210-a guide hole; 22-a guide groove; 33-guiding ribs; 330-barb; 41-a first plate portion; 42 a second plate portion; 1011-sliding surface;

102-a linkage plate; 103-tension spring; 121-door opening operation part; 151-first stage switch; 152-second stage switch;

160-outer frame; 100A-door hook mechanism; 100B-a locking mechanism.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In a microwave oven in the related art, a user needs to forcibly push a door body toward one side of a cavity of an apparatus main body to close the door body. In this process, the user's hand strongly feels the reaction force from the door body, and the instantaneous noise of the door closing operation is also large. Similar technical problems exist for other kitchen appliances with a box-like structure when closing the door.

In order to solve the technical problem, the embodiment of the present disclosure provides a door closing mechanism and a kitchen appliance to realize the flexible closing of a door, reduce the noise when the door is closed, and improve the operation experience of a user.

In the disclosed embodiment, the product type of the cooking device includes, but is not limited to, microwave oven, light wave oven, steam box, steam oven, dish washer, or disinfection cabinet. The kitchen equipment can be embedded kitchen equipment embedded in a cabinet or a building, and can also be non-embedded kitchen equipment arranged on a table top or a supporting frame. The door body of the kitchen equipment can be a left opening door body, a right opening door body, an upper opening door body, a lower opening door body and the like, and can be flexibly designed and installed according to the use habits or requirements of users.

As shown in fig. 1 and 2, fig. 1 is a schematic perspective view illustrating a kitchen appliance according to some exemplary embodiments of the present disclosure, and fig. 2 is a schematic perspective view illustrating a door closing mechanism according to some exemplary embodiments of the present disclosure. Taking the kitchen appliance 1 as an example of a microwave oven, the main structure of the kitchen appliance 1 includes: an apparatus main body 12 having an open cavity, a door body 11 (in fig. 1, the door body 11 is in a closed state, and thus the open cavity is not illustrated) hinged to the apparatus main body 12 and configured to open and close the open cavity, and a door body closing mechanism 100 configured to lock the door body 11 and the apparatus main body 12. When the door 11 is securely locked to the main body 12, the microwave oven is allowed to enter a working state. An example of the microwave oven is a built-in type microwave oven, which further includes a housing 160 that can be adapted to a cabinet or a building.

Fig. 2 and 3 show schematic structural views of a door closing mechanism 100 according to some embodiments of the present disclosure. The door closing mechanism 100 includes a door hook mechanism 100A and a latch mechanism 100B, wherein the door hook mechanism 100A is configured to be disposed on the door 11 and includes a door hook 101, and the latch mechanism 100B is configured to be disposed on the apparatus main body 12 and includes a bracket 131, a slide pin 133, and a pressure spring 134. As shown in fig. 4, 5 and 6, in the locking mechanism 100B, the bracket 131 has a guide structure 132, and the slide pin 133 is slidably fitted to the guide structure 132 and is restricted from coming out of the guide structure 132. The slide pin 133 includes a catching portion 31 configured to catch the door hook 101, and a pressing spring 134 is provided between the catching portion 31 and the holder 131.

Fig. 8 shows the operation principle of the door closing mechanism 100 when the door is closed. In the closing process of the door body, when the door hook 101 slides along the surface of the clamping portion 31, the pressure spring 134 is in a compressed energy storage state, and when the door hook 101 is clamped with the clamping portion 31, the pressure spring 134 is in an energy release state, wherein the length of the pressure spring 134 in the energy release state is greater than the minimum length of the pressure spring 134 in the compressed energy storage state. The expansion and contraction of the compression spring 134 is not shown in the figure.

In the disclosed embodiment, the state of energy release of the compression spring 134 is relative to the state of energy storage by compression of the compression spring 134, and the state of energy release of the compression spring 134 is not necessarily its natural state of elongation. For example, in some embodiments, the compression spring 13 remains in the compressed state in the energy release state, but is extended by a length that is less than the minimum length during the compression energy charging process than when a portion of the potential energy is released in the compressed energy charging state. When the door hook 101 is clamped with the clamping portion 31, the pressure spring 134 transmits pressure to the door hook 101 through the clamping portion 31, and the clamping portion 31 is in elastic contact with the door hook 101, so that the clamping structure of the door hook and the clamping portion is more reliable. In other embodiments of the present disclosure, the relaxed state of the compression spring 134 may also be its naturally extended state.

The kitchen equipment 1 adopts the door body closing mechanism 100 of the above-mentioned embodiment of the present disclosure, in the process of closing the door body 11, the door hook 101 slides on the surface of the clamping portion 31, the pressure spring 134 is compressed and is in a compressed energy storage state, and the door hook 101 and the clamping portion 31 are in elastic contact, so that the force feedback felt by a human hand is continuous, smooth and soft, and the door closing noise is small because of no hard impact. Therefore, the experience feeling of the user during door closing operation is obviously improved.

In this embodiment, the door hook mechanism 100A is provided on the opposite side of the hinge side of the door body 11, and the latch mechanism 100B is provided on the opposite side of the hinge side of the apparatus main body 12. For example, in some embodiments, the door hook mechanism may also be disposed adjacent to the hinge side of the door body, and the locking mechanism may also be disposed adjacent to the hinge side of the device body.

In the embodiment of the present disclosure, the number of the door hooks 101 included in the door hook mechanism 100A is not limited, and may be, for example, one, two, or more. The sliding pins 133 of the locking mechanism 100B are the same in number as the door hooks 101 and are arranged in one-to-one correspondence.

For example, in some embodiments, the door hook mechanism includes at least two door hooks, the door hook mechanism further includes a linkage plate connected to the at least two door hooks, and a tension spring respectively connected to the door body and the linkage plate, wherein the linkage plate can be driven by the at least two door hooks to float relative to the door body; the locking mechanism comprises at least two sliding pins which are arranged in one-to-one correspondence with at least two door hooks, and at least two pressure springs which are arranged in one-to-one correspondence with at least two sliding pins, and the support is provided with at least two groups of guide structures which are arranged in one-to-one correspondence with at least two sliding pins.

Through the locking design of at least two groups of door hooks and sliding pins, the mechanical reliability of locking the door body and the equipment main body can be improved, and therefore the use safety of the equipment is improved. In addition, the linkage design of at least two door hooks makes the door closing operation also more convenient.

In the embodiment shown in the drawings of the present disclosure, as shown in fig. 2, the door hook mechanism 100A includes two door hooks 101, a linkage plate 102 connected to the two door hooks 101, and a tension spring 103 having two ends respectively connected to the door body 11 and the linkage plate 102, wherein the linkage plate 102 can be driven by the two door hooks 101 to float up and down relative to the door body 11.

In some embodiments, the floating process of the linkage plate 102 is: in the closing process of the door body 11, the two door hooks 101 respectively climb along the surfaces of the corresponding clamping parts 31, the linkage plate 102 is driven by the two door hooks 101 to float upwards, and at the moment, the tension spring 103 is in a stretching state (the stretching change of the tension spring is not shown in the figure); when the two door hooks 101 finish climbing and move downwards for a certain displacement to be respectively clamped with the clamping part 31, the linkage plate 102 is driven by the two door hooks 101 to descend, and at the moment, the tension spring 103 is in a reset state, for example, in a natural state or a slightly-stretched state which is shorter than the stretched state.

In the embodiment shown in the drawings of the present disclosure, the hook opening direction of the door hook 101 is set downward, so that during the closing process of the door body 11, the two door hooks 101 and the linkage plate 102 move upward and then downward. In some other embodiments of the present disclosure, the hook opening direction of the door hook may be set upward, and the free end of the tension spring, the sliding pin of the locking mechanism, and other structures should be designed to be turned over correspondingly compared with fig. 3, so that the two door hooks and the linkage plate fall first and then rise during the movement process of the door body closing process. No matter the direction of the hook opening of the door hook 101 is upward or downward, the tension spring 103 can be stretched and then reset in the closing process of the door body 11.

As shown in fig. 4, 5 and 6, the surface of the clamping portion 31 facing away from the pressure spring 134 (i.e. the surface of the clamping portion 31 sliding relative to the door hook 101) is a slope, so that the force feedback sensed by the human hand is more continuous, smooth and soft during the closing process of the door body.

In addition, as shown in fig. 3, the door hook 101 may also have a sliding surface 1011, and the sliding surface 1011 and the slope surface of the engaging portion 31 slide relative to each other in a surface contact manner, so that the sharp impact between the door hook 101 and the engaging portion 31 can be reduced, and the noise and the wear of the components can be further reduced.

The specific shape of the clamping portion 31 is not limited, for example, the clamping portion 31 is a clamping plate shown in the figure, and one surface of the clamping plate facing away from the compression spring 134 is a slope surface sliding relative to the door hook 101. In other embodiments of the present disclosure, the clamping portion may also be a wedge-shaped body having a slope surface.

In the embodiment of the present disclosure, the sliding assembly structure of the sliding pin 133 and the bracket 131 is not limited.

For example, in some embodiments, the sliding fit arrangement of the sliding pin and bracket is designed to: the sliding pin comprises a first guide pillar connected with one side, facing the pressure spring, of the clamping portion, the guide structure comprises a guide hole, and the first guide pillar is assembled in the guide hole in a sliding mode. The guide hole may be a hole formed in the thin plate structure. Through simple cooperation of the column holes, sliding assembly of the sliding pin and the support is achieved.

For another example, in some embodiments, the sliding fit structure of the sliding pin and the bracket is designed to: the sliding pin comprises a first guide pillar connected with one side, facing the pressure spring, of the clamping portion, the guide structure comprises a second guide pillar with a guide hole, the first guide pillar is slidably sleeved in the guide hole of the second guide pillar, and the pressure spring is sleeved on the first guide pillar and the second guide pillar. Through the cooperation of guide pillar and cylindricality guide hole, realize the sliding assembly of sliding pin and support, the structure is reliable and the direction is accurate. First guide pillar and second guide pillar can provide the direction for the flexible deformation of pressure spring for joint portion receives the power that comes from the pressure spring and is axial force basically, thereby has more promoted the smooth and easy sense that the staff experienced force feedback.

For another example, in some embodiments, the sliding fit structure of the sliding pin and the bracket is designed to: the sliding pin comprises a first guide pillar connected with one side, facing the pressure spring, of the clamping portion, the first guide pillar is provided with a guide hole, the guide structure comprises a second guide pillar, the second guide pillar is slidably sleeved in the guide hole of the first guide pillar, and the pressure spring is sleeved on the first guide pillar and the second guide pillar. Through the cooperation of guide pillar and cylindricality guide hole, realize the sliding assembly of sliding pin and support, the structure is reliable and the direction is accurate. First guide pillar and second guide pillar can provide the direction for the flexible deformation of pressure spring for joint portion receives the power that comes from the pressure spring and is axial force basically, thereby has more promoted the smooth and easy sense that the staff experienced force feedback.

For another example, in some embodiments, the sliding fit structure of the sliding pin and the bracket is designed to: the guide structure comprises at least one guide groove; the sliding pin comprises at least one guide rib connected with one side, facing the pressure spring, of the clamping portion, the guide ribs are assembled in at least one guide groove in a sliding mode in a one-to-one correspondence mode, and one end, deviating from the clamping portion, of each guide rib is provided with an inverted hook for limiting the guide ribs to be separated from the guide grooves along the sliding direction of the guide ribs. This design is through the cooperation of leading muscle and guide slot, realizes the sliding assembly of sliding pin and support, and the overhead kick of leading the muscle can also restrict to lead the muscle and deviate from the guide slot along the slip direction of leading the muscle.

In the disclosed embodiment, the sliding assembly structure of the sliding pin and the bracket can also adopt a combination of some designs.

As shown in fig. 4 to 7 and 9, in this embodiment, the sliding fitting structure of the slide pin 133 and the bracket 131 is designed to: the guiding structure 132 comprises a second guide post 21 having a guide hole 210, the first guide post 32 is slidably sleeved in the guide hole 210, and the compression spring 134 is sleeved on the first guide post 32 and the second guide post 21; in addition, the guiding structure 132 further includes four guiding grooves 22, such as narrow strip-shaped holes in the figure, the sliding pin 133 includes four guiding ribs 33 connected to one side of the clamping portion 31 facing the compression spring 134, the four guiding ribs 33 are slidably assembled in the four guiding grooves 22 in a one-to-one correspondence, and one end of each guiding rib 33 away from the clamping portion 31 is provided with an inverted hook 330, and the inverted hook 330 can limit the guiding ribs 33 from falling out of the guiding grooves 22 in the sliding direction thereof. In this embodiment, the bracket 131 includes a first plate portion 41 and a second plate portion 42 that are arranged in parallel, and four guide grooves 22 are opened in the first plate portion 41 and the second plate portion 42 and arranged on opposite sides of the second guide post 21 as much as possible.

The number of the guide grooves 22 and the guide ribs 33 is not limited to four sets (one guide groove 22 and one guide rib 33 corresponding to the sliding fit are one set), and other modified designs, for example, two sets, six sets, etc., may be performed as necessary. In this design, the sliding assembly of sliding pin 133 and bracket 131 is realized through the sliding assembly of first guide pillar 32 and second guide pillar 21 to and the sliding assembly of guide rib 33 and guide slot 22, and in addition, first guide pillar 32 and second guide pillar 21 can provide the direction for the flexible deformation of pressure spring 134, and the overhead kick 330 of guide rib 33 can also restrict guide rib 33 and deviate from guide slot 22 along its sliding direction, and consequently, the structure is more reliable, and the direction is more accurate, steady.

For some kitchen appliances with high safety or functionality requirements, such as microwave ovens, the door closing mechanism of the kitchen appliance may further be provided with one or more switches, so that the controller of the kitchen appliance can correspondingly control some functional modules (e.g., a display screen, an alarm, etc.) of the appliance and/or the working state (e.g., a start-stop state) of the appliance according to the signal state of the one or more switches.

Based on this, in some embodiments of the present disclosure, the locking mechanism further includes at least one switch disposed on the bracket, and configured to respectively output an electrical signal in a case where the at least two door hooks are in one-to-one corresponding engagement with the at least two sliding pins. The number of switches and the trigger logic can be designed accordingly according to the specific product type of the kitchen equipment and the safety and function requirements to be achieved. The specific structure of the switch is not limited, and for example, a switch based on a lever principle may be adopted, which outputs an electrical signal when a lever arm on one side is mechanically pressed.

In some embodiments, as shown in fig. 3, three switches are disposed on the bracket 131, wherein two first-stage switches 151 are configured to be simultaneously triggered by two hooks 101 to output an electrical signal in a one-to-one correspondence, and one second-stage switch 152 is configured to be triggered by one of the first-stage switches 151 to output an electrical signal. Therefore, after the door body is closed, the two first-stage switches 151 and the second-stage switch 152 are triggered in a linkage manner, that is, the two first-stage switches 151 and the second-stage switch 152 are triggered successively.

By designing the trigger logic of a plurality of switches, the safety and the functionality of the equipment can be improved.

Taking a microwave oven as an example, an application scenario of the above design is that, for example, when a door body is in an open state, none of the three switches is triggered, and at this time, a display screen of the microwave oven displays a prompt state of "the door is opened"; after the door body is closed, the two first-stage switches 151 are triggered first, and at the moment, a display screen of the microwave oven displays a prompt state of 'the door is closed'; next, the second stage switch 152 is triggered by one of the first stage switches 151, at which time the microwave oven enters a standby state waiting for operation; if a switch is not triggered due to mechanical or circuit failure, the display screen of the microwave oven displays an abnormal warning state and cannot enter a standby state.

It can be understood that, when the door closing mechanism 100 of the embodiment of the present disclosure is applied to the kitchen appliance 1, the door closing mechanism should be functionally capable of closing the door and supporting the door to be opened again. In some embodiments of the present disclosure, referring to fig. 1, the door closing mechanism 100 further includes: the door opening operation part 121 is configured to be disposed at the front side of the door 11, and when the door opening operation part 121 is triggered, the linkage plate 102 in fig. 2 can be driven to move along the direction of the tension spring relative to the door 11, so that the door hook 101 and the clamping part 31 are released from clamping.

The specific type of the door opening operation part 121 is not limited, and examples thereof include a mechanical or electronic door opening button, a mechanical door opening knob, a mechanical door opening lever, a handle or a buckle. For convenience of operation, the door opening operation portion 121 is disposed at a front side of the door 11, that is, a side of the apparatus facing a user in a normal use state. When the door body opening operation part 121 is triggered by a user, the linkage plate 102 is driven to move along the direction of the tension spring 103 through direct or indirect transmission design, so that the door hook 101 and the clamping part 31 are unlocked, and the door body 11 is opened at the moment.

Referring to fig. 1 and 2, an embodiment of the present disclosure also provides a cooking device 1, including: an apparatus main body 12 having an open cavity, a door body 11 hinged to the apparatus main body 12 and configured to open and close the open cavity (in fig. 1, the door body 11 is in a closed state, and thus the open cavity is not illustrated), and a door body closing mechanism 100 of any of the foregoing embodiments, wherein the door hook mechanism 100A is disposed on the opposite side of the hinged side of the door body 11, and the latch mechanism 100B is disposed on the opposite side of the hinged side of the apparatus main body 12.

The door body 11 can be a left opening door body, a right opening door body, an upper opening door body or a lower opening door body. When the door 11 is a left-hand door or a right-hand door, the hook direction of the door hook 101 may be designed to be upward or downward.

As previously mentioned, the type of cooking appliance product includes, but is not limited to, a microwave oven, a light wave oven, an oven, a steam box, a steam oven, a dishwasher, a sterilizer, or the like. Furthermore, the kitchen appliance includes, but is not limited to, an embedded kitchen appliance, such as a non-embedded kitchen appliance that may be placed on a countertop. The cooking appliance shown in fig. 1 is a built-in microwave oven.

As described above, the kitchen equipment of the embodiment of the present disclosure has a low noise when the door body is closed, and the force feedback given to the hand is smooth and soft, so that the experience feeling of the user during the door closing operation is significantly improved.

It will be understood that in this specification, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like, indicate an orientation or positional relationship or dimension based on that shown in the drawings, and that such terms are used for convenience of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting to the scope of this application.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

This description provides many different embodiments or examples that can be used to implement the present application. It should be understood that these various embodiments or examples are purely exemplary and are not intended to limit the scope of protection of the present application in any way. Those skilled in the art can conceive of various changes or substitutions based on the disclosure of the specification of the present application, which are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope defined by the appended claims.

Claims

1. A door closing mechanism configured to lock a door body with an apparatus main body having an open cavity, the door closing mechanism comprising:

a support having a guide structure;

2. The door closing mechanism according to claim 1,

the sliding pin comprises a first guide pillar connected with one side, facing the pressure spring, of the clamping portion, and the guide structure comprises a guide hole, and the first guide pillar is assembled in the guide hole in a sliding mode.

3. The door closing mechanism according to claim 1,

the sliding pin comprises a first guide post connected with one side of the clamping part facing the pressure spring, the guide structure comprises a second guide post with a guide hole, the first guide post is slidably sleeved in the guide hole of the second guide post, and the pressure spring is sleeved on the first guide post and the second guide post; or

4. The door closing mechanism according to claim 1,

the guide structure comprises at least one guide slot;

5. The door closing mechanism according to claim 4,

the support includes parallel arrangement's first board and second board, at least one guide slot includes a plurality of guide slots, a plurality of guide slots are seted up in first board with the second board.

6. The door body closing mechanism according to claim 1, wherein a surface of the clamping portion facing away from the pressure spring is a slope surface, and the door hook has a sliding surface configured to be in surface contact with the slope surface.

7. The door closing mechanism according to any one of claims 1 to 6,

the door hook mechanism comprises at least two door hooks, the door hook mechanism also comprises a linkage plate connected with the at least two door hooks, and tension springs respectively connected with the door body and the linkage plate, wherein the linkage plate can be driven by the at least two door hooks to float relative to the door body;

the locking mechanism comprises at least two sliding pins which are arranged in one-to-one correspondence with the at least two door hooks, and at least two pressure springs which are arranged in one-to-one correspondence with the at least two sliding pins, and the support is provided with at least two groups of guide structures which are arranged in one-to-one correspondence with the at least two sliding pins.

8. The door closure mechanism of claim 7, further comprising:

the door body opening operation portion is configured to be arranged on the front side of the door body, and the door body opening operation portion can drive the linkage plate to move along the stretching direction of the tension spring when being triggered, so that the at least two doors are hooked with the clamping portions of the at least two sliding pins to release clamping.

9. The door closing mechanism according to claim 7,

the locking mechanism further comprises at least one switch arranged on the support and configured to respectively output electric signals under the condition that the at least two door hooks are clamped with the clamping parts of the at least two sliding pins in a one-to-one corresponding mode.

10. The door body closing mechanism according to claim 9, wherein the at least one switch comprises a plurality of switches, and the plurality of switches comprise at least two stages of switches triggered in a linkage manner, wherein at least two first-stage switches are configured to be triggered by the at least two hooks in a one-to-one correspondence manner to output an electrical signal.

11. A cooking appliance, comprising:

a device body having an open cavity;

the door closing mechanism according to any one of claims 1 to 10, wherein the door hook mechanism is provided on an opposite side of a hinge side of the door body, and the latch mechanism is provided on an opposite side of the hinge side of the apparatus main body.

12. The piece of kitchen equipment of claim 11, wherein the door comprises a left door, a right door, an upper door, or a lower door.

13. The kitchen appliance according to claim 11, wherein the door is a left-opening door or a right-opening door, and the hook opening of the door hook faces upward or downward.

14. The cooking appliance of claim 11, wherein the cooking appliance comprises a built-in cooking appliance.

15. The cooking appliance of any one of claims 11 to 14, wherein the cooking appliance comprises a microwave oven, a light wave oven, an oven, a steam box, a steam oven, a dishwasher or a sterilizer.