CN115874875A

CN115874875A - Locking assembly and cooking utensil

Info

Publication number: CN115874875A
Application number: CN202111150436.5A
Authority: CN
Inventors: 唐甜; 刘红宇; 张鑫
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: 2021-09-29
Filing date: 2021-09-29
Publication date: 2023-03-31

Abstract

The invention provides a locking assembly and a cooking appliance. Wherein, locking Assembly includes: a mounting substrate; a locking member; the door body is positioned on one side of the mounting substrate and is provided with a door hook, and the door hook is matched with the locking piece to lock or unlock the door body; the lock structure is arranged on the mounting substrate and connected with the locking piece, the lock structure comprises a trigger piece and a limiting piece, and the trigger piece is used for driving the limiting piece to move between a first position and a second position; when the door hook is in the first position, the limiting piece limits the door hook to move, and when the door hook is in the second position, the limiting piece relieves the limitation on the door hook, and the door hook can be separated from the locking piece. The door hook, the locking piece and the lock structure are matched to realize the double locking effect, and the door body cannot be unlocked under the condition that the limiting piece is located at the first position to limit the movement of the door hook. When the limiting piece is located at the second position, the limiting piece removes the limitation on the door hook, and the door hook can be separated from the locking piece.

Description

Locking assembly and cooking utensil

Technical Field

The invention relates to the technical field of locking devices, in particular to a locking assembly and a cooking appliance.

Background

In the related technology, the microwave oven can be opened by slightly pulling the door body, children easily touch the key or the door body handle by mistake, food is easily scalded after being heated, and potential safety hazards exist.

Disclosure of Invention

The present invention has been made to solve at least one of the problems occurring in the prior art or the related art.

To this end, a first aspect of the invention proposes a locking assembly.

A second aspect of the present invention proposes a cooking appliance.

In view of this, a first aspect of the present invention proposes a locking assembly comprising: a mounting substrate; a locking member; the door body is positioned on one side of the mounting substrate and is provided with a door hook, and the door hook is matched with the locking piece to lock or unlock the door body; the lock structure is arranged on the mounting substrate and connected with the locking piece, the lock structure comprises a trigger piece and a limiting piece, and the trigger piece is used for driving the limiting piece to move between a first position and a second position; when the door hook is in the first position, the limiting piece limits the movement of the door hook, and when the door hook is in the second position, the limiting piece relieves the limitation on the door hook, and the door hook can be separated from the locking piece.

The invention provides a locking assembly which comprises a mounting substrate, a locking piece, a door body and a lock structure, wherein the lock structure comprises a trigger piece and a limiting piece, and the trigger piece can drive the limiting piece to move between a first position and a second position.

Through the cooperation structure of reasonable setting door hook and lock structure for behind the locking door body, the locating part is in first position in order to play the effect that blocks to the door hook, and the door hook can't separate with the locking piece, and even children pulled the door body this moment, also can't unblock door body. That is to say, door hook, locking piece and lock structure cooperate in order to realize the effect of double locking, are in the first position in order to restrict the condition of door hook motion at the locating part under, can't realize the unblock door body. When the limiting piece is located at the second position, the limiting piece removes the limitation on the door hook, the door hook can be separated from the locking piece, and at the moment, the purpose of unlocking the door body can be achieved by pulling the door body.

This setting can effectively be solved among the correlation technique, and the safety and the reliability that cooking utensil used can be guaranteed to the problem that children touched the button or the door body by mistake and the unblock door body.

It will be appreciated that the stop member is movable between a first position in which it limits movement of the door hook and a second position in which it releases the limit on the door hook. When the limiting piece is located at a position other than the second position, the door hooks are all in a limited moving state. That is to say, under the condition that the locating part moves to the first position in order to restrict the door hook and remove, even drag the door and also can't make door hook and locking piece separate, promptly, the door body can not be under the exogenic action and the unblock to solve the problem that children touched the button by mistake or the door body and unlocked the door body fundamentally.

Specifically, the lock structure is connected with the locking piece, and this setting can guarantee the cooperation size of lock structure and the door body, and then can guarantee the cooperation size of lock structure and door hook, and for the locating part when the primary importance, can effectively restrict the door hook and remove and provide effective and reliable structural support.

The locking assembly according to the invention, as described above, may also have the following additional technical features:

in the above technical solution, further, the trigger is used for driving the limiting member to move along the first direction; when the door hook is at the first position, the limiting piece limits the door hook to move along the second direction; wherein the first direction is different from the second direction.

In the technical scheme, the movement tracks of the limiting part and the door hook are reasonably arranged, so that the limiting part moves along a first direction, the door hook moves along a second direction, and the first direction is different from the second direction. That is, the movement directions of the stopper and the door hook are different. This set up to the locating part provides effective and reliable structural support at the first position effective spacing door hook, can reduce the machining precision requirement of lock structure, and the processing of being convenient for can effectively avoid the locating part to take place at the unable condition of effective spacing door hook in first position department.

In any of the above technical solutions, further, the first direction is perpendicular to the second direction.

In this solution, the first direction is perpendicular to the second direction, for example, the first direction is a horizontal direction, and the second direction is a vertical direction (specifically, the vertical direction is parallel to the gravity direction).

In any of the above technical solutions, further, the limiting member is provided with a stopping portion, and the door hook is provided with a stopping matching portion; when the stop part is at the first position, at least one part of the stop part is abutted against the top of the stop matching part.

In the technical scheme, the limiting member is provided with a stopping portion, and the limiting member limits the movement of the door hook through the stopping portion. For example, when the limiting member is located at the first position, at least a part of the stopping portion abuts against the top of the stopping matching portion of the door hook, so that the door hook is stopped from moving upwards.

Specifically, when the limiting piece is located the second position, backstop portion is located the week side of door hook, and limiting piece and door hook separation to remove the external force of limiting piece effect on the door hook, in order to release the space that supplies the door hook to remove, provide structural support for the unblock door body.

In any of the above technical solutions, further, the trigger can rotate relative to the locking member to drive the limiting member to move.

In this technical scheme, the trigger piece can rotate for the locking piece, through rotatory trigger piece for the trigger piece can drive the locating part motion, should set up to trigger piece along the horizontal direction drive locating part at first position and second position removal provide effective and reliable structural support.

In any of the above technical solutions, further, the lock structure further includes: the transmission part comprises a transmission shell and a first tooth part, the first tooth part is rotationally connected with the transmission shell, and the trigger part is connected with the first tooth part; the limiting piece is provided with a matching hole, a second tooth portion is arranged on the hole wall of the matching hole, the first tooth portion is located in the matching hole, and the first tooth portion is meshed with the second tooth portion.

In this technical scheme, the lock structure still includes the driving medium, and the driving medium includes transmission housing and first tooth portion, and the locating part is provided with the mating holes, is provided with second tooth portion on the pore wall of mating holes. Through the cooperation structure that rationally sets up transmission housing, first tooth portion, second tooth portion and trigger piece for the first tooth portion of driving medium is located the mating hole of locating part, and first tooth portion and the meshing of second tooth portion. Thus, the trigger piece is rotated to drive the first tooth part to rotate, and the first tooth part drives the second tooth part to move. The position of the first tooth part and the position of the appliance body are fixed due to the fact that the positions of the transmission shell and the locking piece of the appliance body are fixed, and the limiting piece can move between the first position and the second position under the action of the first tooth part.

In any of the above technical solutions, further, the trigger includes a connecting pipe and a limiting portion, the limiting portion is connected with the connecting pipe, and the limiting portion is located on the periphery of the connecting pipe; the transmission part is provided with a connecting column, at least one part of the connecting column extends into the connecting pipe, and the connecting column is connected with the first tooth part.

In this technical scheme, trigger piece includes connecting pipe and spacing portion, and spacing portion is connected with the connecting pipe, and spacing portion is located the week side of connecting pipe. Specifically, spacing portion supports with the wall of cooking utensil's utensil body and leans on, and spacing portion is used for the restriction to trigger the displacement distance of piece for the utensil body, provides effective and reliable structural support for guaranteeing lock structure and door hook's fit dimension.

Further, the transmission member is provided with a connection column, at least a part of the connection column extends into the connection pipe, and the connection column is connected with the first tooth part. Namely the connecting column is matched and connected with the connecting pipe. The connecting pipe drives the connecting column to rotate, and the connecting column drives the first tooth part to rotate.

Specifically, the shape of the cross-section of the connecting column includes any one or a combination of the following: bow-shaped, oval and polygon, so, the connecting pipe is connected with the spliced pole cooperation after, and the spliced pole can not rotate for the connecting pipe to make the spliced pole can rotate under the rotation of connecting pipe, relative pivoted condition emergence between spliced pole and the connecting pipe can not appear, provides effective and reliable structural support for triggering a drive locating part motion.

In any of the above technical solutions, further, the limiting member is further provided with a bolt hook, and the bolt hook is used for limiting the door hook when in the first position; wherein the first tooth portion and the second tooth portion are both located between the latch hook and the trigger.

In this solution, the limiting member is further provided with a hook for limiting the door hook in the first position, that is, a portion of the outer surface of the hook abuts against the outer surface of the door hook.

Furthermore, the first tooth part and the second tooth part are both positioned between the bolt hook and the trigger part, so that the bolt hook, the first tooth part and the second tooth part cannot interfere while the effectiveness and feasibility of the first tooth part for driving the second tooth part to move are ensured, and the trigger part can be ensured to be capable of driving the limiting part to move between the first position and the second position.

In any of the above technical solutions, further, the lock structure further includes: the cover plate is connected with the transmission shell, the first tooth portion and the second tooth portion are located between the cover plate and the transmission shell, the cover plate is provided with an opening, and the latch hook extends out of the outer surface of the cover plate through the opening.

In this technical scheme, the lock structure still includes the apron, and the apron is connected with the transmission housing, encloses the chamber that holds that is suitable for holding first tooth portion and second tooth portion between apron and the transmission housing, and that is to say, first tooth portion and second tooth portion all are located between apron and the transmission housing. The cover plate and the transmission shell have protection effects on the first tooth part and the second tooth part which are positioned in the cover plate, so that the situation that external force directly acts on the first tooth part and the second tooth part is avoided, and the service life of a product is prolonged. And this setting can reduce steam, filth etc. and get into the emergence probability of the junction of first tooth portion and second tooth portion, provides stable and reliable structural support for first tooth portion and the effective meshing of second tooth portion.

In any of the above technical solutions, further, the rotation angle corresponding to the trigger driving the limiting member to move from the first position to the second position is greater than or equal to 60 °.

In this technical scheme, through the cooperation structure of reasonable setting trigger and locating part for the rotation angle that trigger drive locating part moved to the second position from the first position and corresponds is more than or equal to 60, promptly, needs to make trigger rotate at least 60, just can make the locating part move to the second position from the first position. The probability of occurrence that the limiting part moves to the second position due to the fact that the triggering part is touched by mistake is reduced.

Specifically, the rotation angles corresponding to the movement of the limiting member driven by the trigger member from the first position to the second position include 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, and so on, which are not listed here.

In any one of the above technical solutions, further, the trigger is provided with an indication portion for indicating a rotation direction of the trigger.

In the technical scheme, the trigger part is provided with the indicating part, and the rotating direction of the trigger part is displayed through the indicating part, so that a user can know the rotating direction of the rotating trigger part, and the user can drive the limiting part to move between the first position and the second position in a targeted manner according to actual needs.

In any of the above technical solutions, further, the shape of the indicating portion includes any one of or a combination of the following: raindrop, triangle, and drop shapes.

In this embodiment, the shape of the indicator portion includes any one of or a combination of the following: the rain drop shape, the triangle shape and the water drop shape can indicate the rotation direction by the smaller end of the head in the rain drop shape, the triangle shape and the water drop shape. Has the advantages of clear indication and clear identification.

In any of the above technical solutions, further, the lock structure further includes: the timing reset piece is connected with the limiting piece and used for enabling the limiting piece to be located at the second position and then reset to the first position after preset time.

In this technical scheme, the lock structure still includes the piece that regularly resets, and the piece that regularly resets is connected with the locating part, and the piece that regularly resets provides power support for the locating part returns to the first position by the second position, and then can provide the structure guarantee for the locating part can move between first position and second position.

Specifically, when the door body is closed, the stop matching portion of the door hook contacts with the stop portion, the limiting member is pushed to move from the first position to the second position, and after the preset time, the limiting member returns from the second position to the first position under the action of the timing resetting member to limit the door hook. That is to say, when closing a body, the door hook front end of a body can push against the locating part and make it move backward, the door hook can enter into the locking piece after the body is closed completely, and at this moment by the door in-process because the locating part that door hook effect backward motion can be because of the reset function of the piece that regularly resets, forward movement again, until moving to door hook department, just reached the effect of spacing door hook, this is the process of locking automatically behind the closing body. This setting makes the lock structure have the function of automatic locking, has richened the service function and the performance of product.

It can be understood that the timing reset piece has the functions of resetting the limit piece and delaying time. That is, when the limiting member is at the second position, the positioning reset member drives the limiting member to reset to the first position after a predetermined time.

In any one of the above technical solutions, further, the timing reset member is disposed on the transmission housing, and the timing reset member is connected with the first tooth portion.

In this technical scheme, the timing piece that resets is located transmission housing, and the timing piece that resets is connected with first tooth portion, and transmission housing has the effect of supporting and fixed timing piece that resets. The direction of the timing reset piece driving the first tooth part to rotate is opposite to the direction of the trigger piece driving the first tooth part to rotate.

A second aspect of the present invention provides a cooking appliance, comprising: the locking assembly of any of the aspects of the first aspect.

The cooking appliance provided by the invention comprises the locking assembly according to any one of the first aspect, so that the whole beneficial effects of the locking assembly are achieved, and the description is omitted here.

In the above technical solution, further, the locking assembly further includes: the locking piece is arranged on the appliance body; the door body is connected with the appliance body in an openable and closable manner; the locking element is positioned in the appliance body; a portion of the trigger extends beyond the outer surface of the appliance body.

In this technical scheme, the door body surrounds out the culinary art chamber with the utensil body, under the condition of the unblock door body, can place food to the culinary art intracavity, and take out food from the culinary art intracavity.

Furthermore, a part of the trigger extends out of the outer surface of the appliance body, so that the trigger can be controlled by the outer surface of the appliance body to drive the limiting part to move, and the limiting part can move between the first position and the second position.

In any of the above technical solutions, further, the top plate of the appliance body is a mounting substrate, and a part of the trigger extends out of the outer top wall of the appliance body; the part of the trigger part positioned outside the appliance body is provided with an indicating part of a lock structure; the limiting part of the lock structure is abutted against the wall surface of the appliance body.

In this technical scheme, the roof of utensil body is mounting substrate, and the outer roof of utensil body is stretched out to a part of trigger, promptly, will follow the top of utensil body and control the trigger, and this setting makes the part that the trigger stretches out the surface of utensil body highly higher apart from ground, like this, and children can't touch the trigger easily, so, has further reduced the emergence probability that children touched the trigger by mistake.

Furthermore, the part of the trigger part, which is positioned outside the appliance body, is provided with an indicating part of a lock structure, and the rotating direction of the trigger part is displayed by using the indicating part, so that a user can know the rotating direction of the rotating trigger part, and the user can drive the limiting part to move between the first position and the second position in a targeted manner according to actual needs.

Further, the spacing portion of lock structure supports with the wall of utensil body and leans on, and spacing portion is used for the restriction to trigger the displacement distance of piece for the utensil body, provides effective and reliable structural support for guaranteeing lock structure and door hook's fit dimension.

Specifically, the cooking appliance includes a microwave oven, an oven, a steam box or a steaming and baking all-in-one machine, etc., which are not listed here.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a first perspective structural view of a cooking appliance according to an embodiment of the invention;

fig. 2 is a schematic structural view illustrating a second viewing angle of a cooking appliance according to an embodiment of the present invention;

FIG. 3 shows a schematic structural view of the appliance body, locking element and lock structure of one embodiment of the present invention;

FIG. 4 shows an exploded view of the door, lock and lock structure of one embodiment of the present invention;

FIG. 5 is a schematic view of a door, lock member and lock structure according to one embodiment of the present invention in a first state;

FIG. 6 is a schematic structural view illustrating a second state of the door body, locking member and lock structure in accordance with one embodiment of the present invention;

FIG. 7 shows an exploded view of the lock structure of one embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating a first perspective of a lock structure according to one embodiment of the present invention;

figure 9 shows a structural schematic diagram of a second perspective of a lock structure of one embodiment of the invention;

figure 10 shows a schematic diagram of a third perspective of a lock structure of an embodiment of the invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 10 is:

100 cooking utensils, 110 utensil body, 112 locking piece, 120 door body, 122 door hook, 124 backstop cooperation portion, 130 lock structure, 132 trigger piece, 134 locating part, 136 backstop portion, 138 driving medium, 140 transmission casing, 142 first tooth portion, 144 mating holes, 146 second tooth portion, 148 hitch hook, 150 apron, 152 opening, 153 ear, 154 instruction portion, 156 connecting pipe, 158 spacing portion, 160 spliced pole, 170 fastener, 180 mounting substrate.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the scope of the present invention is not limited by the specific embodiments disclosed below.

A locking assembly and a cooking appliance 100 according to some embodiments of the present invention are described below with reference to fig. 1 to 10.

Example 1:

as shown in fig. 1, 2, 3, 4, 5 and 6, an embodiment of the first aspect of the present invention provides a locking assembly including a mounting substrate 180, a locking member 112, a door 120 and a lock structure 130.

The door 120 is located at one side of the mounting substrate 180, and the door 120 is provided with a door hook 122, and the door hook 122 cooperates with the locking member 112 to lock or unlock the door 120.

The lock structure 130 is disposed on the mounting substrate 180, and the lock structure 130 is connected to the locking member 112, the lock structure 130 includes a trigger 132 and a limiting member 134, the trigger 132 is used for driving the limiting member 134 to move between a first position and a second position.

In the first position, the stopper 134 restricts the movement of the door hook 122, and in the second position, the stopper 134 releases the restriction of the door hook 122, and the door hook 122 can be separated from the lock member 112.

In detail, the locking assembly includes a mounting substrate 180, a locking member 112, a door 120 and a lock structure 130, wherein the lock structure 130 includes a trigger 132 and a limiting member 134, and the trigger 132 can drive the limiting member 134 to move between a first position and a second position.

Through the cooperation structure of reasonable setting door hook 122 and lock structure 130 for behind the locking door body 120, locating part 134 is in first position in order to play the effect that stops to door hook 122, and door hook 122 can't separate with locking piece 112, and at this moment, even children draw the door body 120 of dragging, also can't unblock door body 120. That is, the door hook 122, the locking member 112 and the lock structure 130 cooperate to achieve the double locking function, and the door body 120 cannot be unlocked when the limiting member 134 is located at the first position to limit the movement of the door hook 122. When the stopper 134 is at the second position, the stopper 134 releases the restriction on the door hook 122, the door hook 122 can be separated from the locking member 112, and at this time, the purpose of unlocking the door 120 can be achieved by pulling the door 120.

This setting can effectively solve among the relevant art, the problem that children miss touch the button or door body 120 and unblock door body 120, can guarantee the security and the reliability of cooking utensil 100 use.

It will be appreciated that the stop 134 is movable between a first position limiting movement of the door hook 122 and a second position releasing the limit on the door hook 122. When the position limiting member 134 is at a position other than the second position, the door hook 122 is in a state of being limited to move. That is, when the limiting member 134 moves to the first position to limit the movement of the door hook 122, the door hook 122 cannot be separated from the locking member 112 even if the door 120 is pulled, that is, the door 120 cannot be unlocked by an external force, so that the problem that a child accidentally touches a button or the door 120 to unlock the door 120 is fundamentally solved.

Specifically, the locking structure 130 is connected to the locking member 112, and this configuration can ensure the matching dimension of the locking structure 130 and the door body 120, and further ensure the matching dimension of the locking structure 130 and the door hook 122, so as to provide an effective and reliable structural support for effectively limiting the movement of the door hook 122 when the limiting member 134 is at the first position.

Example 2:

as shown in fig. 1, 2, 3, 4, 5 and 6, embodiment 2 provides a lock assembly based on embodiment 1, which includes a mounting substrate 180, a locking member 112, a door 120 and a lock structure 130.

Further, the trigger 132 is used for driving the limiting member 134 to move along the first direction; in the first position, the limiting member 134 limits the door hook 122 from moving in the second direction; wherein the first direction is different from the second direction.

In detail, by properly setting the movement tracks of the limiting member 134 and the door hook 122, the limiting member 134 moves in a first direction, and the door hook 122 moves in a second direction, where the first direction is different from the second direction. That is, the movement directions of the stopper 134 and the door hook 122 are different. This setting provides effective and reliable structural support for the limiting member 134 to effectively limit the door hook 122 at the first position, can reduce the machining accuracy requirement of the lock structure 130, is convenient for machining, and can effectively avoid the situation that the limiting member 134 cannot effectively limit the door hook 122 at the first position.

Further, the first direction is perpendicular to the second direction.

Wherein the first direction is perpendicular to the second direction, e.g., the first direction is a horizontal direction and the second direction is a vertical direction (in particular, the vertical direction is parallel to the direction of gravity).

Example 3:

as shown in fig. 1, 2, 3, 4, 5 and 6, embodiment 3 provides a lock assembly including a mounting substrate 180, a locking member 112, a door 120 and a lock structure 130, on the basis of embodiment 2.

The trigger 132 is used for driving the limiting member 134 to move along a first direction; in the first position, the limiting member 134 limits the door hook 122 to move in the second direction; wherein the first direction is different from the second direction.

Further, as shown in fig. 4, 7 and 8, the limiting member 134 is provided with a stopping portion 136, and the door hook 122 is provided with a stopping engagement portion 124; in the first position, at least a portion of the stopping portion 136 abuts against the top of the stopping fitting portion 124.

In detail, the limiting member 134 is provided with a stopping portion 136, and the limiting member 134 limits the movement of the door hook 122 through the stopping portion 136. For example, when the limiting member 134 is located at the first position, at least a portion of the stopping portion 136 abuts against the top of the stopping matching portion 124 of the door hook 122, so as to stop the door hook 122 from moving upwards.

Specifically, when the limiting member 134 is located at the second position, the stopping portion 136 is located on the periphery of the door hook 122, and the limiting member 134 is separated from the door hook 122, so as to release the external force applied by the limiting member 134 on the door hook 122, so as to release the space for the door hook 122 to move, and provide structural support for unlocking the door body 120.

Specifically, the stopping matching portion 124 can match with the stopping portion 136 to drive the limiting member 134 to move from the first position to the second position.

The stop matching portion 124 can be matched with the stopping portion 136 to drive the limiting member 134 to move from the first position to the second position by reasonably setting the matching structure of the stopping portion 136 and the stop matching portion 124. That is, when the door body is closed, the stop matching portion 124 of the door hook 122 contacts the stop portion 136, pushes the limiting member 134 to move from the first position to the second position, and after a predetermined time, the limiting member 134 returns from the second position to the first position under the action of the timing resetting member to limit the door hook 122. That is to say, when the door body 120 is closed, the front end of the door hook 122 of the door body 120 will push against the stopper 134 to move backward, the door hook 122 will enter into the locking piece 112 after the door body 120 is completely closed, and at this time, the stopper 134 moving backward due to the action of the door hook 122 in the closing process will move forward again due to the reset function of the timing reset piece until the stopper 134 moves to the door hook 122, so that the function of the stopper door hook 122 is achieved, which is the process of automatically locking after the door body 120 is closed. This setting makes lock structure 130 have the function of automatic locking, has richened the service function and the performance of product.

Example 4:

as shown in fig. 1, 2, 3, 4, 5 and 6, in addition to any of the above embodiments, embodiment 4 provides a lock assembly including a mounting substrate 180, a locking member 112, a door 120 and a lock structure 130.

Further, the trigger 132 can rotate relative to the locking member 112 to drive the limiting member 134 to move.

In detail, the trigger 132 can rotate relative to the locking member 112, and the trigger 132 can drive the limiting member 134 to move by rotating the trigger 132, so that the arrangement is that the trigger 132 drives the limiting member 134 to move between the first position and the second position along the horizontal direction, thereby providing effective and reliable structural support.

Further, as shown in fig. 4, 5, 6, 7, 8, 9 and 10, the lock structure 130 further includes: the transmission member 138 comprises a transmission housing 140 and a first toothed portion 142, the first toothed portion 142 is rotatably connected with the transmission housing 140, and the trigger 132 is connected with the first toothed portion 142; the limiting member 134 is provided with a matching hole 144, a second tooth portion 146 is provided on a hole wall of the matching hole 144, the first tooth portion 142 is located in the matching hole 144, and the first tooth portion 142 is meshed with the second tooth portion 146.

The lock structure 130 further includes a transmission member 138, the transmission member 138 includes a transmission housing 140 and a first tooth portion 142, the limiting member 134 is provided with a fitting hole 144, and a second tooth portion 146 is provided on a hole wall of the fitting hole 144. Through reasonable arrangement of the matching structures of the transmission housing 140, the first tooth portion 142, the second tooth portion 146 and the trigger 132, the first tooth portion 142 of the transmission member 138 is located in the matching hole 144 of the limiting member 134, and the first tooth portion 142 is meshed with the second tooth portion 146. Thus, when the trigger 132 is rotated, the trigger 132 drives the first tooth portion 142 to rotate, and the first tooth portion 142 drives the second tooth portion 146 to move. Since the positions of the transmission housing 140 and the locking member 112 of the device body 110 are fixed, the positions of the first tooth portion 142 and the device body 110 are fixed, and the limiting member 134 can move between the first position and the second position under the action of the first tooth portion 142.

Further, as shown in fig. 4 to 9, the triggering member 132 includes a connecting pipe 156 and a limiting portion 158, the limiting portion 158 is connected to the connecting pipe 156, and the limiting portion 158 is located on the periphery of the connecting pipe 156; the transmission member 138 is provided with a connection post 160, at least a portion of the connection post 160 extends into the connection tube 156, and the connection post 160 is connected with the first tooth 142.

The trigger 132 includes a connecting tube 156 and a limiting portion 158, the limiting portion 158 is connected to the connecting tube 156, and the limiting portion 158 is located on the periphery of the connecting tube 156. Specifically, the limiting portion 158 abuts against the wall surface of the appliance body 110 of the cooking appliance 100, and the limiting portion 158 is used for limiting the moving distance of the trigger 132 relative to the appliance body 110, so as to provide effective and reliable structural support for ensuring the matching size of the lock structure 130 and the door hook 122.

In addition, the transmission member 138 is provided with a connection post 160, at least a portion of the connection post 160 extends into the connection tube 156, and the connection post 160 is connected with the first tooth portion 142. That is, the connecting post 160 is coupled to the connecting tube 156. The connecting tube 156 drives the connecting post 160 to rotate, and the connecting post 160 drives the first tooth portion 142 to rotate.

Specifically, the shape of the cross-section of the connecting column 160 includes any one or a combination of: the connecting column 160 can not rotate relative to the connecting tube 156 after the connecting tube 156 is connected with the connecting column 160 in a matching manner, so that the connecting column 160 can rotate under the rotation of the connecting tube 156, the relative rotation between the connecting column 160 and the connecting tube 156 can not occur, and effective and reliable structural support is provided for the trigger 132 to drive the limiting part 134 to move.

Further, as shown in fig. 4 to 9, the position-limiting element 134 is further provided with a latching hook 148, and the latching hook 148 is used for limiting the door hook 122 in the first position; wherein first tooth 142 and second tooth 146 are both located between latch hook 148 and trigger 132.

The retaining member 134 further has a latching hook 148, and the latching hook 148 is used for retaining the door hook 122 in the first position, that is, a part of the outer surface of the latching hook 148 abuts against the outer surface of the door hook 122.

In addition, the first tooth portion 142 and the second tooth portion 146 are both located between the latch hook 148 and the trigger 132, so that the effectiveness and the feasibility of the first tooth portion 142 driving the second tooth portion 146 are ensured, meanwhile, the latch hook 148 does not interfere with the first tooth portion 142 and the second tooth portion 146, and the trigger 132 can drive the limiting member 134 to move between the first position and the second position.

Further, as shown in fig. 7, the lock structure 130 further includes: and a cover plate 150 connected with the transmission housing 140, wherein the first tooth portion 142 and the second tooth portion 146 are located between the cover plate 150 and the transmission housing 140, the cover plate 150 is provided with an opening 152, and the latch hook 148 extends out of the outer surface of the cover plate 150 through the opening 152.

The lock structure 130 further includes a cover plate 150, the cover plate 150 is connected to the transmission housing 140, and a receiving cavity adapted to receive the first tooth portion 142 and the second tooth portion 146 is defined between the cover plate 150 and the transmission housing 140, that is, the first tooth portion 142 and the second tooth portion 146 are both located between the cover plate 150 and the transmission housing 140. The cover plate 150 and the transmission housing 140 have a protective effect on the first tooth portion 142 and the second tooth portion 146 located therein, so as to avoid the occurrence of the situation that external force directly acts on the first tooth portion 142 and the second tooth portion 146, which is beneficial to prolonging the service life of the product. And this arrangement can reduce the incidence of moisture, dirt, etc. entering the junction of the first tooth portion 142 and the second tooth portion 146, and provide stable and reliable structural support for the effective meshing of the first tooth portion 142 and the second tooth portion 146.

Specifically, the cover plate 150 is provided with an opening 152, the latch hook 148 protrudes out of the outer surface of the cover plate 150 through the opening 152, and a portion of the latch hook 148 protruding out of the outer surface of the cover plate 150 is used for being in fit connection with the door hook 122.

Specifically, as shown in fig. 3, 7, 8 and 9, the cover plate 150 is provided with an ear 153, and the fastener 170 passes through the ear 153 and is coupled to the locking member 112. Among other things, the fasteners 170 include bolts, screws, and rivets.

Example 5:

as shown in fig. 1, 2, 3, 4, 5 and 6, on the basis of embodiment 4 above, embodiment 5 provides a lock assembly including a mounting substrate 180, a lock member 112, a door 120 and a lock structure 130.

The trigger 132 can rotate relative to the locking member 112 to drive the movement of the limiting member 134.

Further, the rotation angle corresponding to the trigger 132 driving the limiting member 134 to move from the first position to the second position is greater than or equal to 60 °.

In detail, by reasonably setting the matching structure of the triggering element 132 and the limiting element 134, the rotation angle corresponding to the triggering element 132 driving the limiting element 134 to move from the first position to the second position is greater than or equal to 60 °, that is, the triggering element 132 needs to rotate at least 60 ° to move the limiting element 134 from the first position to the second position. The probability of the limiting member 134 moving to the second position due to the trigger 132 being touched by mistake is reduced.

Specifically, the rotation angles corresponding to the rotation angle of the trigger 132 driving the limiting member 134 to move from the first position to the second position include 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, and so on, which are not listed here.

Example 6:

as shown in fig. 1, 2, 3, 4, 5 and 6, in addition to embodiment 4 above, embodiment 6 provides a lock assembly including a mounting substrate 180, a lock member 112, a door 120 and a lock structure 130.

Further, as shown in fig. 1, 2, 4 to 10, the trigger 132 is provided with an indication portion 154, and the indication portion 154 is used for indicating the rotation direction of the trigger 132.

In detail, the trigger 132 is provided with an indication portion 154, and the rotation direction of the trigger 132 is displayed through the indication portion 154, so that the user can know the rotation direction of the rotating trigger 132, and the user can drive the limiting member 134 to move between the first position and the second position in a targeted manner according to actual needs.

Further, the shape of the indicator 154 includes any one or a combination of: raindrop, triangle, and drop shapes.

The shape of the indication part 154 includes any one or a combination of the following: the rain drop shape, the triangle shape and the water drop shape can indicate the rotation direction by the smaller end of the head in the rain drop shape, the triangle shape and the water drop shape. Has the advantages of clear indication and clear identification.

Specifically, the mating hole 144 includes a first side hole wall and a second side hole wall, which are opposite to each other, and each of the first side hole wall and the second side hole wall is provided with a second tooth portion 146.

Example 7:

as shown in fig. 1, 2, 3, 4, 5 and 6, embodiment 7 provides a lock assembly including a mounting substrate 180, a lock member 112, a door 120 and a lock structure 130, on the basis of embodiment 4.

The lock structure 130 further includes: the transmission member 138 comprises a transmission housing 140 and a first toothed portion 142, the first toothed portion 142 is rotatably connected with the transmission housing 140, and the trigger 132 is connected with the first toothed portion 142; the limiting member 134 is provided with a matching hole 144, a second tooth portion 146 is provided on a hole wall of the matching hole 144, the first tooth portion 142 is located in the matching hole 144, and the first tooth portion 142 is meshed with the second tooth portion 146.

Further, the lock structure 130 further includes: the timing resetting piece is connected with the limiting piece 134 and is used for enabling the limiting piece 134 to return to the first position after a preset time when the limiting piece 134 is located at the second position.

In detail, the lock structure 130 further includes a timing resetting member, the timing resetting member is connected to the limiting member 134, the timing resetting member provides a power support for the limiting member 134 to return from the second position to the first position, and further provides a structural guarantee for the limiting member 134 to move between the first position and the second position.

Specifically, when the door body is closed, the stop matching portion 124 of the door hook 122 contacts the stop portion 136 and pushes the limiting member 134 to move from the first position to the second position, and after a preset time, the limiting member 134 returns from the second position to the first position under the action of the timing resetting member to limit the door hook 122. That is to say, when the door 120 is closed, the front end of the door hook 122 of the door 120 will push against the stopper 134 to move it backward, the door hook 122 will enter into the locking piece 112 after the door 120 is completely closed, and the stopper 134 moving backward due to the action of the door hook 122 during the closing process will move forward again due to the reset function of the timing reset piece until it moves to the door hook 122, so as to achieve the function of the stopper door hook 122, which is the process of automatic locking after the door 120 is closed. This setting makes lock structure 130 have the function of automatic locking, has richened the service function and the performance of product.

It will be appreciated that the timed reset element functions as both a reset limit element 134 and a time delay element. That is, when the limiting member 134 is at the second position, the positioning reset member drives the limiting member 134 to reset to the first position after a predetermined time.

Specifically, the timing reset piece comprises a clockwork spring.

Further, the timing reset piece is disposed on the transmission housing 140, and the timing reset piece is connected to the first tooth 142.

The timing reset piece is arranged on the transmission housing 140 and connected with the first tooth portion 142, and the transmission housing 140 has the functions of supporting and fixing the timing reset piece. The timing reset member drives the first tooth portion 142 to rotate in a direction opposite to the direction in which the trigger member 132 drives the first tooth portion 142 to rotate.

Specifically, the preset time is equal to or more than 30 seconds and equal to or less than 45 seconds.

Example 8:

as shown in fig. 1, 2, 3, 4, 5 and 6, an embodiment of a second aspect of the present invention proposes a cooking appliance 100 including: the locking assembly of any embodiment of the first aspect.

In detail, the cooking appliance 100 has all the benefits of the locking assembly as described above because it includes the locking assembly according to any one of the embodiments of the first aspect, which is not mentioned herein.

Further, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the locking assembly further includes: a fixture body 110, wherein the fixture body 110 includes a mounting substrate 180, and a locking member 112 is provided on the fixture body 110; the door 120 is connected with the appliance body 110 in an openable and closable manner; the locking member 112 is located within the appliance body 110; a portion of the trigger 132 extends beyond the outer surface of the appliance body 110.

The door 120 and the appliance body 110 enclose a cooking cavity, and food can be placed in the cooking cavity and taken out from the cooking cavity under the condition that the door 120 is unlocked.

In addition, a part of the trigger 132 extends out of the outer surface of the appliance body 110, so that the trigger 132 can be operated by the outer surface of the appliance body 110 to drive the limiting member 134 to move, so that the limiting member 134 can move between the first position and the second position.

Specifically, the device body 110 is provided with a connecting hole, a part of the trigger 132 extends out of the outer surface of the device body 110 through the connecting hole, and the trigger 132 is rotated to rotate the part of the trigger 132 located on the outer surface of the device body 110, so as to drive the limiting member 134 to move.

Further, the top plate of the appliance body 110 is a mounting base plate 180, and a portion of the trigger 132 protrudes out of the outer top wall of the appliance body 110; the part of the trigger 132 outside the device body 110 is formed with an indication part 154 of the lock structure 130; the stopper 158 of the lock structure 130 abuts against the wall surface of the device body 110.

The top plate of the appliance body 110 is the mounting substrate 180, and a part of the trigger 132 extends out of the outer top wall of the appliance body 110, that is, the trigger 132 is controlled from the top of the appliance body 110, and the height of the part of the trigger 132 extending out of the outer surface of the appliance body 110 from the ground is higher, so that a child cannot easily touch the trigger 132, and the occurrence probability that the child mistakenly touches the trigger 132 is further reduced.

In addition, the indication portion 154 of the lock structure 130 is formed on the portion of the trigger 132 outside the device body 110, and the indication portion 154 is used to display the rotation direction of the trigger 132, so that the user can know the rotation direction of the trigger 132, and the user can drive the limiting member 134 to move between the first position and the second position in a targeted manner according to actual needs.

Furthermore, the limiting portion 158 of the lock structure 130 abuts against the wall surface of the appliance body 110, and the limiting portion 158 is used for limiting the moving distance of the trigger 132 relative to the appliance body 110, so as to provide effective and reliable structural support for ensuring the matching size of the lock structure 130 and the door hook 122.

In the present embodiment, the stopper 158 is located inside the device body 110, and the stopper 158 abuts against the inner wall of the device body 110.

In other embodiments, the position-limiting part 158 is located on the outer wall of the appliance body 110, and the position-limiting part 158 abuts against the outer wall of the appliance body 110.

Specifically, the cooking appliance 100 includes a microwave oven, an oven, a steam box, a steaming and baking integrated machine, and the like, which are not listed here.

Example 9:

the cooking appliance 100 includes an appliance body 110, a door body 120, and a lock structure 130, wherein the lock structure 130 includes a trigger 132 (e.g., a knob), a transmission member 138 (a timing reset member of the transmission member 138 has a timing reset function), a latch 148, and a cover plate 150. And then secured to the locking element 112 and the appliance body 110 by the screw element locking structure 130.

After the door 120 is locked, the latch hook 148 in the lock structure 130 (the latch hook 148 can only move horizontally back and forth) blocks the upward movement of the door hook 122 (after the door 120 is locked, the door can only be opened when the door hook 122 on the door 120 moves upward to separate from the locking member 112), so that the door hook 122 cannot be separated from the locking member 112, that is, the door 120 cannot be opened.

A portion of the trigger 132 of the lock structure 130 protrudes out of the outer surface of the appliance body 110. The latch hook 148 in this state restricts upward movement of the door hook 122, thereby restricting the door 120 from being disengaged from the locking member 112, and achieving a double locking effect.

When the door body 120 needs to be opened, the trigger 132 on the rotating tool body 110 (the maximum rotation angle of the knob is 360 °) acts on the transmission member 138, so that the first tooth portion 142 in the transmission member 138, which is engaged with the latch hook 148, acts on the second tooth portion 146 of the limiting member 134, so that the latch hook 148 moves backward and leaves out of the upward movement path of the door hook 122 (the rotation angle of the knob at least needs to be completed by more than 60 °, and the latch hook 148 can be completely separated from the position of the upward movement path of the door hook 122), thereby achieving the unlocking effect.

The transmission member 138 is provided with a timer reset function. When the rotary trigger 132 reaches a certain angle (e.g., 360 °), the latch hook 148 reaches a maximum displacement of rearward movement. At this time, it takes 30 to 45 seconds for the latch hook 148 to be reset by the timing reset member of the transmission member 138 to re-obstruct the upward movement of the door hook 122. When the door body 120 is closed, the front end of the door hook 122 of the door body 120 abuts against the bolt hook 148 to move backwards, after the door body 120 is completely closed, the door hook 122 enters the locking piece 112, and the limiting piece 134 moving backwards due to the action of the door hook 122 in the closing process moves forwards again due to the reset function of the transmission piece 138 until the limiting piece moves to the door hook 122, so that the effect of limiting the movement of the door hook 122 is achieved, and the automatic locking process is performed after the door body 120 is closed.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking assembly, comprising:

a mounting substrate;

a locking member;

the door body is positioned on one side of the mounting substrate and provided with a door hook, and the door hook is matched with the locking piece to lock or unlock the door body;

the lock structure is arranged on the mounting substrate and connected with the locking piece, the lock structure comprises a trigger piece and a limiting piece, and the trigger piece is used for driving the limiting piece to move between a first position and a second position;

when the door hook is in the first position, the limiting piece limits the movement of the door hook, and when the door hook is in the second position, the limiting piece relieves the limitation on the door hook, so that the door hook can be separated from the locking piece.

2. The locking assembly of claim 1,

the trigger piece is used for driving the limiting piece to move along a first direction;

when the door hook is at the first position, the limiting piece limits the door hook to move along a second direction;

wherein the first direction is different from the second direction.

3. The locking assembly of claim 2,

the first direction is perpendicular to the second direction.

4. The locking assembly of claim 2,

the limiting piece is provided with a stopping part, and the door hook is provided with a stopping matching part;

when the stop part is in the first position, at least one part of the stop part is abutted against the top of the stop matching part.

5. The locking assembly of any one of claims 1 to 4,

the trigger piece can rotate relative to the locking piece to drive the limiting piece to move.

6. The locking assembly of claim 5, wherein the lock structure further comprises:

the transmission piece comprises a transmission shell and a first tooth part, the first tooth part is rotationally connected with the transmission shell, and the trigger piece is connected with the first tooth part;

the limiting part is provided with a matching hole, a second tooth part is arranged on the hole wall of the matching hole, the first tooth part is located in the matching hole, and the first tooth part is meshed with the second tooth part.

7. The locking assembly of claim 6,

the trigger piece comprises a connecting pipe and a limiting part, the limiting part is connected with the connecting pipe, and the limiting part is positioned on the periphery of the connecting pipe;

the transmission part is provided with a connecting column, at least one part of the connecting column extends into the connecting pipe, and the connecting column is connected with the first tooth part.

8. The locking assembly of claim 6,

the limiting piece is further provided with a bolt hook, and the bolt hook is used for limiting the door hook in the first position;

wherein the first tooth and the second tooth are both located between the latch hook and the trigger.

9. The locking assembly of claim 8, wherein the lock structure further comprises:

the cover plate is connected with the transmission shell, the first tooth portion and the second tooth portion are located between the cover plate and the transmission shell, the cover plate is provided with an opening, and the bolt hook extends out of the outer surface of the cover plate through the opening.

10. The locking assembly of claim 5,

the rotation angle corresponding to the trigger part driving the limiting part to move from the first position to the second position is greater than or equal to 60 degrees.

11. The locking assembly of claim 5,

the trigger piece is provided with an indicating part, and the indicating part is used for indicating the rotation direction of the trigger piece.

12. The locking assembly of claim 11,

the shape of the indicating part comprises any one or combination of the following parts: raindrop, triangle, and drop shapes.

13. The locking assembly of claim 6, wherein the lock structure further comprises:

the timing reset piece is connected with the limiting piece, and the timing reset piece is used for enabling the limiting piece to be located at the second position and then to be reset to the first position after preset time.

14. The locking assembly of claim 13,

the timing reset piece is arranged on the transmission shell, and the timing reset piece is connected with the first tooth portion.

15. A cooking appliance, comprising:

the locking assembly of any one of claims 1 to 14.

16. The cooking appliance of claim 15, further comprising:

an appliance body including the mounting substrate, the locking member being provided to the appliance body;

the door body is connected with the appliance body in an openable and closable manner;

the locking element is positioned in the appliance body;

a portion of the trigger extends beyond the outer surface of the appliance body.

17. The cooking appliance of claim 16,

the top plate of the appliance body is the mounting base plate, and a part of the trigger extends out of the outer top wall of the appliance body;

the part of the trigger part, which is positioned outside the appliance body, is provided with an indicating part of the lock structure;

the limiting part of the lock structure is abutted against the wall surface of the appliance body.

18. The cooking appliance according to any one of claims 15 to 17,

the cooking appliance includes: a microwave oven, an oven, a steam box or a steaming and baking integrated machine.