CN212927415U - Door lock, door assembly and cooking utensil - Google Patents

Abstract

The utility model provides a lock, door subassembly and cooking utensil, wherein, the lock includes: a door hook assembly; a support; the trigger piece is rotatably arranged on the bracket; the driving component is movably arranged on the bracket and is used for driving the door hook component; the stop piece is movably arranged on the bracket and is connected with the trigger piece, and the stop piece is used for locking the driving assembly; the door hook assembly is arranged on the support and used for locking the door hook assembly, wherein the door hook assembly drives the trigger piece to rotate, the trigger piece drives the retainer to unlock the driving assembly, and the driving assembly drives the door hook assembly to move towards the lock hook assembly so that the lock hook assembly locks the door hook assembly. Through the technical scheme of the utility model, reduced the holistic volume of lock effectively, occupation space is little, and the range of application is wide, has promoted the commonality of lock, and simple structure.

Description

Door lock, door assembly and cooking utensil

Technical Field

The utility model relates to a cooking equipment technical field particularly, relates to a lock, a door subassembly and a cooking utensil.

Background

The door opening and closing system of the traditional microwave oven comprises main components such as a door body, a door hook, a front plate and a support, the door hook moves along a support ramp integrally, and finally is clamped behind the support ramp, so that the door body is closed, the whole process is driven by manpower or door body inertia, no buffering design is adopted, and the door closing noise is strongly related to the force of closing the door by a hand.

The slow door closing/soft door closing mechanism is applied to the field of furniture home decoration, however, when facing small-volume products such as microwave ovens, the design space is small, the slow door closing is not easy to realize, and for the microwave oven products, the wave leakage risk can be increased after the door body is opened; in recent years, the design of slowly closing the door/soft closing the door to the side sliding door microwave oven has also appeared, can realize the non-manpower process of slowly closing the door, and this type of structure mainly adopts split type door hook, utilizes buckle, slide, spring, attenuator etc. to realize the process of slowly closing the door, and nevertheless this set of system occupation space of slowly closing the door is big, for guaranteeing to reserve sufficient interval with other subassemblies, to different volumetric models, needs the scheme of the different size proportions of design, and the commonality is poor, and application scope is little.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of the problems of the prior art or the related art.

In view of this, an object of the present invention is to provide a door lock.

Another object of the present invention is to provide a door assembly.

Another object of the present invention is to provide a cooking appliance.

In order to achieve the above object, the present invention provides a door lock, including: a door hook assembly; a support; the trigger piece is rotatably arranged on the bracket; the driving component is movably arranged on the bracket and is used for driving the door hook component; the stop piece is movably arranged on the bracket and is connected with the trigger piece, and the stop piece is used for locking the driving assembly; the door hook assembly is arranged on the support and used for locking the door hook assembly, wherein the door hook assembly drives the trigger piece to rotate, the trigger piece drives the retainer to unlock the driving assembly, and the driving assembly drives the door hook assembly to move towards the lock hook assembly so that the lock hook assembly locks the door hook assembly.

In this technical scheme, set up to rotationally locate on the support through triggering the piece, trigger the piece promptly and can trigger the retainer in situ rotation and be the drive assembly unblock, for the structure that adopts the slide among the prior art, need not occupy extra sliding space, consequently, the space that occupies is little, be favorable to reducing the whole volume of lock, thereby can reserve great installation space for other subassemblies of cooking utensil, be favorable to the lock to be applicable to different volumetric cooking utensils, thereby the application scope of lock has been enlarged, the commonality of lock has been promoted.

Specifically, the trigger piece is rotatably arranged on the support, and when the door hook assembly moves, the trigger piece can be pushed to rotate, so that the trigger piece does not need to move the stop piece through movement, but can drive the stop piece connected with the trigger piece through in-situ rotation, and therefore the sliding space of the trigger piece is saved, and the whole volume of the door lock is favorably reduced; the stop piece is movably arranged on the support and connected with the trigger piece, the stop piece is driven by the rotation of the trigger piece to leave the original position, and when the trigger piece rotates reversely, the stop piece can return to the original position, so that the locking and unlocking of the drive assembly by the stop piece are conveniently realized, namely, the door hook assembly drives the trigger piece to rotate, so that when the trigger piece moves to leave the initial position, the drive assembly is unlocked by the trigger piece, the drive assembly can move, the door hook assembly is driven to move towards the latch hook assembly, the door hook assembly and the latch hook assembly can be automatically combined and locked, and manual driving is not needed any more; the lock hook component is arranged on the support, so that the position of the lock hook component is relatively fixed, and the door hook component and the lock hook component can be repeatedly combined and separated to lock and unlock the door lock.

Under the action of external force, the door hook assembly can be separated from the latch hook assembly and reversely push the driving assembly to reset the driving assembly; after the drive assembly resets, under the external force continuation effect, door hook component can further reverse promotion trigger piece, makes trigger piece antiport to drive the stopper reverse motion, get back to initial position, thereby relocking drive assembly, make the lock be in the open mode.

In the above technical solution, the door lock further includes: and the damping device is arranged on the support and used for slowing down the movement speed of the door hook component to the lock hook component.

In this technical scheme, slow down the velocity of motion of door hook subassembly to the latch hook subassembly through setting up damping device, can reduce the striking dynamics between door hook subassembly and the latch hook subassembly to reduce the noise that produces because of the striking, promote the comfort that the user used the lock, still be favorable to reducing the damage that the lock leads to because of the striking, thereby prolong the life of lock.

In the above technical solution, the driving assembly includes: the driving lever is rotatably arranged on the bracket and is used for driving the door hook component to move; and the driving piece is connected with the driving lever and is used for providing driving force for the driving lever.

In the technical scheme, the driving assembly comprises a driving lever and a driving piece, the driving piece provides driving force for the driving lever, the driving lever drives the door hook assembly to move under the action of the driving force, and the direct contact between the driving piece and the door hook assembly is avoided, namely the door hook assembly, the driving piece and the driving lever are separated, so that the door lock can be opened when the door lock is not required to be locked, or the door lock can be unlocked, the flexible arrangement and layout of the type and the position of the driving piece in the driving assembly can be realized, and the integral structure is optimized; the driving assembly is divided into a driving lever and a driving piece, and the locking mode between the stop piece and the driving assembly is conveniently and flexibly set, so that the driving assembly can be locked by the stop piece and can be easily unlocked or separated, and the door hook assembly is driven.

In the above technical solution, the driving member includes any one of an elastic member, a magnet or an air cylinder, an electric cylinder, and a hydraulic cylinder.

In the technical scheme, the driving piece adopts any one of an elastic piece, a magnet or an air cylinder, an electric cylinder and a hydraulic cylinder, and the purpose of driving the door hook component to move can be achieved; it will be appreciated that where the actuating member is provided as a magnet, it may be necessary to provide the actuating lever as a ferrous material in order to generate an attractive or pushing force between the magnets accordingly.

In above-mentioned technical scheme, the driving piece is the spring, and the one end and the drive lever of spring are connected, and the other end and the leg joint of spring, and drive assembly under the locking state, the spring is stretched.

In this technical scheme, set up the driving piece into the spring, the elasticity that can utilize the spring comes the drive door hook subassembly motion, can come the pulling force that produces in the extending condition in order to utilize the spring to stimulate the drive lever, thereby drive door hook subassembly, and the spring is small, need not set up power unit in addition, occupation space is little, be favorable to realizing that the lock is whole to reduce volume and occupation space, promote application scope's purpose, and the spring can be stretched again under the exogenic action, that is to say, make door hook subassembly and latch hook subassembly break away from and the unblock back under the manpower action, door hook subassembly reverse promotion drive lever, can the re-stretching spring, make the spring tensioning once more and produce the pulling force, the next locking of lock provides the power of drive door hook subassembly.

In the above technical solution, the door lock further includes: the sliding chute is arranged on the bracket; the stopping piece is arranged in the sliding groove in a sliding mode and connected with the triggering piece.

In the technical scheme, the sliding groove and the support are connected, so that the stopping piece can be supported, the moving direction of the stopping piece can be limited, the stopping piece can be accurately reset, and the driving assembly can be locked again when the driving assembly is reset by the stopping piece; the retainer is connected with the trigger piece, and the trigger piece of being convenient for drives the retainer and slides along the spout when rotating.

In the technical scheme, the stop piece and the driving lever are arranged at intervals, and the stop piece is provided with a boss extending towards the driving lever; the side of the driving lever adjacent to the stop piece is provided with a stop part extending towards the stop piece, and the stop part is used for being matched with the boss.

In the technical scheme, the boss is matched with the stopping part, so that the rotation of the driving lever is limited conveniently, namely the locking of the driving assembly is realized conveniently; the stop piece and the drive lever are arranged at intervals, the boss extending out of the drive lever is arranged on the stop piece, the stop part extending out of the stop piece is arranged on the drive lever, the drive assembly can be locked when the boss is matched with the stop part, the boss only needs to move for a short distance, the boss and the stop part can be staggered to unlock the drive assembly, the stop piece only needs a small moving space to lock or unlock the drive assembly, and the door lock is beneficial to achieving the purposes of reducing the size and occupying the space of the door lock.

In any one of the above technical solutions, the door lock further includes: the reset piece is arranged on the support and connected with the trigger piece, and the reset piece is used for driving the trigger piece to reset.

In this technical scheme, be connected with the trigger piece through setting up the piece that resets, can realize resetting of trigger piece, after the lock unblock, can reentrant the state of treating to trigger.

In any of the above solutions, the door hook assembly comprises: one of the first door hook and the second door hook is provided with a slot, and the other one of the first door hook and the second door hook is provided with a bolt which can be inserted in the slot in a sliding manner; at least a portion of one of the first door hook and the second door hook is positioned between the trigger and the drive assembly.

In this technical scheme, the door hook subassembly includes first door hook and second door hook, the door hook subassembly is split type structure promptly, cooperation through slot and bolt, make first door hook and second door hook can relative motion in the vertical of bolt, can follow the lateral motion of bolt together again simultaneously, that is to say, first door hook and second door hook can enough be driven by drive assembly and move to the latch hook subassembly together, or one is driven by drive assembly, and drive another and move to the latch hook subassembly together, can independently respectively combine the locking with corresponding part on the latch hook subassembly in the vertical of bolt again, each other does not influence, be favorable to setting up respectively with first door hook in the different positions of support, the latch hook that the second door hook corresponds, and the structure of two latch hooks can slightly have the difference, be favorable to promoting the flexibility that the latch hook set up.

In the above technical solution, the latch hook assembly includes: the first lock hook is obliquely arranged on the bracket and is used for being matched and locked with the first door hook; and the second locking hook is obliquely arranged on the bracket and is used for being matched and locked with the second door hook.

In this technical scheme, through setting up first latch hook and second latch hook, be convenient for first door hook and first latch hook cooperation locking, second door hook and second latch hook cooperation locking, thereby realize the locking of lock, first latch hook and second latch hook set up aslope, make first latch hook and second latch hook all have the slope for the support, be convenient for first door hook and second door hook slide on going up along the slope, fall into the slope rear behind the slope top, realize the cooperation locking of door hook and latch hook, moreover, the steam generator is simple in structure, and easy installation, and difficult striking takes place between door hook and the latch hook, be favorable to the noise reduction.

The utility model discloses technical scheme of second aspect provides a door subassembly, include: a door body; in the door lock according to any one of the first aspect, the door hook assembly of the door lock is disposed on the door body.

In the technical scheme, by adopting the door lock of any one technical scheme, all beneficial effects of the technical scheme are achieved, and the description is omitted; the door hook component of door lock locates on the door body for the door hook component can be along with the closing of the door body and to the motion of latch hook component, after the drive trigger piece, continue to move under drive assembly's drive and combine with latch hook component, make the locking of the door body, and along with the motion of the door body when the door body is opened, with latch hook component separation, and promote drive assembly, trigger piece 14 and reset.

The utility model discloses technical scheme of third aspect provides a cooking utensil, include: a cooking body having an opening at one end thereof; the cooking appliance further includes: in the door lock according to any one of the first aspect, the support of the door lock is disposed on the cooking body; or the door assembly of any one of the above second aspects, the door body of the door assembly is provided at the opening.

In this technical solution, by using the door lock according to any one of the above technical solutions, or using the door assembly according to any one of the above technical solutions in the second aspect, all beneficial effects of the above technical solutions are achieved, and are not described herein again; the support of the door lock is arranged on the cooking main body, and because the support occupies a small space, the space of other components on the cooking main body can be increased in a limited volume, for example, the cooking space of the cooking main body can be increased, so that the quantity of food materials which can be cooked by the cooking appliance is increased; the opening part is located to the door body, can open cooking utensil's culinary art space through opening of the door body, and through closing of the door body and seal the culinary art space, and open, close the in-process, door body velocity of motion is slowed down, is favorable to the striking between noise abatement and the door body and the culinary art main part.

In the technical scheme, the cooking appliance is any one of a microwave oven, an oven, a steam box, a refrigerator and a washing machine.

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

Drawings

Fig. 1 is a schematic front view of a door lock according to an embodiment of the present invention;

fig. 2 is a rear view schematically illustrating a door lock according to an embodiment of the present invention;

fig. 3 is a partial schematic view of a door lock according to an embodiment of the present invention;

fig. 4 is a schematic partial perspective view of a door lock according to an embodiment of the present invention;

fig. 5 is a partial perspective view of a door lock according to another embodiment of the present invention;

fig. 6 is a schematic front view of a door lock according to another embodiment of the present invention;

fig. 7 is a schematic front view of a door lock according to another embodiment of the present invention;

fig. 8 is a schematic front view of a door lock according to another embodiment of the present invention;

fig. 9 is a block diagram schematic structure of a door assembly of an embodiment of the present invention;

fig. 10 is a schematic block diagram of a cooking appliance according to an embodiment of the present invention;

fig. 11 is a schematic block diagram of a cooking appliance according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 11 is:

1 door lock, 10 door hook assemblies, 100 first door hook, 102 second door hook, 12 supports, 14 trigger, 16 drive assemblies, 160 drive levers, 162 drive parts, 163 rod parts, 164 stop parts, 166 lever covers, 18 stop parts, 180 bosses, 182 sliding grooves, 184 torsion spring grooves, 186 reset parts, 20 lock hook assemblies, 200 first lock hooks, 202 second lock hooks, 22 damping devices, 220 dampers, 222 damping covers, 28 second springs, 30 plug pins, 4 door assemblies, 40 door bodies, 5 cooking utensils and 50 cooking main bodies.

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, which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present invention 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 in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments of the present invention are described below with reference to fig. 1 to 11.

Example 1

As shown in fig. 1, a door lock 1 according to an embodiment of the present invention includes: door hook assembly 10, bracket 12, trigger 14, drive assembly 16, stop 18, and shackle assembly 20.

Specifically, the door hook assembly 10 and the bracket 12 are independently provided, and the bracket 12 is located at one side of the door hook assembly 10; the trigger 14, the driving assembly 16, the stopper 18 and the latch hook assembly 20 are all disposed on the bracket 12, wherein the trigger 14 is rotatably disposed, and the stopper 18 is movably disposed at one side of the trigger 14 and connected to the trigger 14 so as to be driven by the trigger 14; a stop 18 for locking the drive assembly 16; a drive assembly 16 movably disposed and adapted to drive the door hook assembly 10 after being unlocked by the stop 18; the driving assembly 16 is spaced apart from the triggering member 14, and the latch hook assembly 20 is used to engage with the door hook assembly 10 and lock the door hook assembly 10 to achieve locking of the door lock 1.

After the door hook assembly 10 is driven by external force, the door hook assembly 10 moves towards the support 12 to drive the trigger 14 to rotate, the trigger 14 drives the stop piece 18 connected with the trigger, the stop piece 18 moves to unlock the driving assembly 16, and after the driving assembly 16 is unlocked, the door hook assembly 10 is driven to continue to move towards the latch hook assembly 20, so that the door hook assembly 10 and the latch hook assembly 20 are combined and locked, and the locking of the door lock 1 is realized.

If unlocking is needed, the door hook assembly 10 is separated from the latch hook assembly 20 under the action of external force, so that the door lock 1 is unlocked, meanwhile, the door hook assembly 10 is continuously moved in the direction away from the support 12 under the action of external force and drives the driving assembly 16 to move, so that the driving assembly 16 returns to the original position, namely the initial position of the driving assembly 16, the door hook assembly 10 is further away from the support 12, the trigger 14 is pushed, the trigger 14 drives the stop piece 18 to reset, and the stop piece 18 locks the driving assembly 16 again so as to prepare for driving the door hook assembly 10 next time.

In the present embodiment, along the direction from the door hook assembly 10 to the latch hook assembly 20, the door hook assembly 10 first contacts with the triggering member 14, then contacts with the driving assembly 16, and finally is locked in combination with the latch hook assembly 20, such a structure that after the door hook assembly 10 is initially driven by an external force, the door can be subsequently automatically closed under the driving of the driving assembly 16, which is convenient to use, and more importantly, in the present embodiment, by arranging the triggering member 14 to be rotatably disposed on the bracket 12, that is, the movement form of the triggering member 14 is a pivot rotation, rather than a movement along a slide way, the movement of the stopping member 18 is driven in a pivot rotation manner, no slide way or slide way is needed to occupy additional space, so that the size is small, the occupied space is small, and the overall size of the door lock 1 is favorably reduced, thereby a larger installation space can be reserved for other components of the cooking appliance 5, the door lock 1 can be suitable for cooking appliances 5 with different volumes, different types and different specifications, the application range of the door lock 1 is expanded, and the universality of the door lock 1 is improved.

Further, the trigger 14, the actuating assembly 16 and the stop 18 are disposed between the shackle assembly 20 and the door hook assembly 10; the drive assembly 16 is disposed on top of the trigger 14 and is spaced apart from the trigger 14.

Example 2

As shown in fig. 3, on the basis of embodiment 1, in order to eliminate the door closing noise and reduce the impact force between the door hook assembly 10 and the latch hook assembly 20, the present embodiment adds a damping device 22.

Specifically, the damping device 22 includes a damper 220 and a damping cover 222, the damping cover 222 is fixedly connected to the bracket 12 and encloses a space for accommodating the damper 220, the damper 220 is disposed on the bracket 12 through the damping cover 222 and slows down the movement speed of the door hook assembly 10 to the latch hook assembly 20 when the door hook assembly 10 moves to the latch hook assembly 20.

As shown in fig. 1, the damper 220 is located below the driving assembly 16, and when the door hook assembly 10 is driven by the driving assembly 16 and moves to the right side in fig. 1, that is, when the latch hook assembly 20 moves in the direction, the damper 220 is touched, and the damper 220 starts to slow down the movement of the door hook assembly 10, so that the movement of the door hook assembly 10 is slowed down, and the impact force between the door hook assembly 10 and the latch hook assembly 20 is reduced, thereby reducing noise generated by the impact, improving the comfort of a user using the door lock 1, and being beneficial to reducing damage of the door lock 1 caused by the impact, thereby prolonging the service life of the door lock 1.

Example 3

Unlike embodiment 2, this embodiment employs a different damping device 22.

Specifically, in the present embodiment, the damping device 22 is a compression spring, which is also disposed below the driving assembly 16, and when the door hook assembly 10 moves towards the right latch hook assembly 20 and touches the compression spring, the compression spring generates a thrust force to slow down the moving speed of the door hook assembly 10.

It is to be understood that the damper 22 is not limited to the damper 220, compression spring; in other embodiments, magnets may be used instead of damper 220, for example, one magnet may be disposed at the position of damper 220 in fig. 1, and one magnet may be disposed on drive assembly 16, and the same polarity of the two magnets may be disposed opposite to each other, so that the two magnets generate a repulsive force to perform the same function as damper 220.

In other embodiments, an extension spring may be used as the damper 220, but the position needs to be adjusted, that is, the extension spring is disposed on the left side of the driving assembly 16, that is, the side of the driving assembly 16 away from the latch hook assembly 20, and when the driving assembly 16 drives the door hook assembly 10 to the right side, the extension spring on the left side provides a leftward pulling force to decelerate the driving assembly 16, and accordingly, the moving speed of the door hook assembly 10 to the latch hook assembly 20 is reduced.

Further, the driving assembly 16 includes a driving lever 160 and a first spring, the driving lever 160 is rotatably disposed on the bracket 12, the first spring is used as a driving member 162, one end of the first spring is fixedly connected with the bracket 12, a hook is disposed on the driving lever 160, and the other end of the first spring is fixed on the hook; when the drive assembly 16 is locked by the stop 18, the first spring is in tension; after the stopping member 18 is driven by the triggering member 14 to unlock the driving assembly 16, the first spring is contracted under the tensile force, and simultaneously, the driving lever 160 is pulled to rotate, thereby driving the door hook assembly 10 to move toward the right latch hook assembly 20.

When the door lock 1 is unlocked by external force, the door hook assembly 10 moves away from the latch hook assembly 20 to the left side, the driving lever 160 is pushed together away from the latch hook assembly 20, and the first spring is stretched again; when the door hook assembly 10 is moved into contact with the trigger 14 again, the trigger 14 is driven to rotate in reverse, causing the stop 18 to move in reverse, resetting the stop 18, and thus re-locking the drive assembly 16.

Adopt first spring as driving piece 162, small need not set up power unit in addition, occupation space is little, is favorable to realizing that lock 1 wholly reduces volume and occupation space, promotes application scope's purpose.

In other embodiments, at least one of the driving lever 160 and the driving member 162 employs a magnet, and the other employs a magnet or a ferrous body, and a magnetic force therebetween is used as a driving force of the driving member 162.

It is understood that the actuating member 162 may also be a pneumatic cylinder, an electric cylinder, a hydraulic cylinder, etc., all of which may be used for the purpose of actuating the door hook assembly 10.

Example 4

As shown in fig. 2, on the basis of any of the above embodiments, the door lock 1 further includes a sliding slot 182, the sliding slot 182 is disposed on the bracket 12, at least a portion of the stop 18 is disposed in the sliding slot 182, and the stop 18 is slidable relative to the sliding slot 182, the sliding slot 182 can both provide support for the stop 18 and limit the moving direction of the stop 18, so that the stop 18 can be accurately reset along the sliding slot 182 following the reverse rotation of the trigger 14 after unlocking the driving assembly 16, and it is ensured that the driving assembly 16 can be locked again when reset; further, the stop member 18 is connected to the trigger member 14 such that the trigger member 14 rotates to slide the stop member 18.

The connection between the stop member 18 and the trigger member 14 may be any one of a hinge, a snap, a bolt, or a flexible connection via a cord, chain, etc.

Example 5

This embodiment further improves the fit between the stopper 18 and the actuating lever 160 on the basis of embodiment 4.

As shown in fig. 4 and 5, specifically, the stopper 18 has a certain clearance with the driving lever 160 so that the stopper 18 can slide; the stopper 18 is provided with a boss 180 protruding toward the driving lever 160; the driving lever 160 is provided with a stopping part 164 matched with the boss 180, the stopping part 164 is positioned on one side of the driving lever 160 adjacent to the stop piece 18, the stopping part 164 extends towards the stop piece 18 so as to be matched with each other, the driving lever 160 is locked, the boss 180 and the stopping part 164 can be dislocated to unlock the driving lever 160 by sliding the stop piece 18 for a small distance, the moving distance of the stop piece 18 is short, and the purposes of reducing the volume and occupying the space of the door lock 1 are favorably realized.

As shown in fig. 5, more specifically, a rod 163 penetrating through the driving rod is disposed at an end of the driving rod, two ends of the rod 163 are respectively located at two sides of the driving rod, one end of the rod 163 is connected to the first spring, and the other end of the rod 163 is used as a stopping portion 164 to be matched with the boss 180, and the rod 163 has two functions, i.e., one rod 163 has a simple and ingenious structure, a small occupied space and a compact structure, and the driving rod is unlocked by sliding the stopping member 18 so that the boss 180 and the stopping portion 164 at one end of the rod 163 are dislocated, and the first spring connected to the other end of the rod 163 can immediately pull the driving lever 160, so that the driving lever 160 drives the door hook assembly 10, and.

Example 6

As shown in fig. 2, in any of the above embodiments, the door lock 1 further includes: the reset member 186 and the reset member 186 are connected to the triggering member 14 and are used for driving the triggering member 14 to reset, so that the triggering member 14 can accurately return to the initial position after being driven by the door hook assembly 10, and the stop member 18 can accurately lock the driving assembly 16 again and enter the to-be-triggered state again.

Specifically, the reset element 186 is a torsion spring, the bracket 12 is provided with a torsion spring slot 184, and the torsion spring slot 184 is used for accommodating the torsion spring; the torsion spring slot 184 and the trigger 14 are located on either side of the bracket 12.

Example 7

This embodiment is further improved upon the hook assembly 10 of any of the above embodiments.

The door hook assembly 10 of the present embodiment is a split structure, including: a first door hook 100 and a second door hook 102, the first door hook 100 is disposed on the top of the second door hook 102, and the bottom of the first door hook 100 is provided with a plug 30, the top of the second door hook 102 is provided with a slot, the plug 30 is inserted into the slot, the plug 30 can slide relative to the slot, the first door hook 100 and the second door hook 102 can slide relative to each other through the cooperation of the plug 30 and the slot, and at the same time, the door hook assembly 10 can move towards the latch hook assembly 20 in a mutually limited manner, that is, in the direction from the door hook assembly 10 to the latch hook assembly 20, the first door hook 100 and the second door hook 102 move synchronously, either of which can drive the other to move towards the latch hook assembly 20 or drive the other to move away from the latch hook assembly 20, such a structure is convenient for the two door hooks to respectively and independently combine with corresponding components on the latch hook assembly 20 in the longitudinal direction of the plug 30 and lock without mutual influence, the locking hooks corresponding to the first door hook 100 and the second door hook 102 are respectively arranged at different positions of the bracket 12, and the two locking hooks may have slightly different structures, which is beneficial to improving the flexibility of the locking hook arrangement.

Correspondingly, the latch hook assembly 20 on the bracket 12 includes a first latch hook 200 and a second latch hook 202 which are independent from each other, the first latch hook 200 and the first door hook 100 are correspondingly disposed, the second latch hook 202 and the second door hook 102 are correspondingly disposed, and the first latch hook 200 and the second latch hook 202 are both obliquely disposed on the bracket 12, so that the two door hooks slide along the obliquely disposed latch hooks, thereby avoiding the generation of noise due to impact, and the obliquely disposed first door hook 100 and the obliquely disposed second door hook 102 occupy a small space, which is beneficial to reducing the space occupied by the whole door lock 1.

Example 8

This embodiment has provided a lock 1, can realize that the side sliding door microwave oven noise of closing the door reduces, and the noise is controllable, can promote the comfort that the user used this lock 1.

As shown in fig. 1 to 4, the door lock 1 of the present embodiment specifically includes a split-type door hook, a bracket 12, an actuating lever 160, a trigger 14, a stopper 18, a first spring (i.e., an actuating member 162), a second spring 28, a damper 220, a lever cover 166, a damper cover 222, a torsion spring, and the like.

Description of initial state: the trigger 14 and the driving lever 160 are both arranged on the bracket 12 and can rotate around the fixed shaft, and the trigger 14 contains a torsion spring which is used for ensuring that the trigger 14 can automatically return to the initial position after rotating; at the initial moment, the first spring, i.e. the driving member 162 is elongated to the maximum length and the pulling force is the maximum, and both ends of the first spring are respectively connected to the bracket 12 and the driving lever 160, and at this time, the driving lever 160 is installed at the rear of the stopping member 18, the stopping member 18 blocks the driving lever 160 from rotating, and the force system is balanced.

Description of the split door hook: the door hook is divided into a first door hook 100 and a second door hook 102 which are arranged up and down, and the first door hook 100 and the second door hook 102 are connected to the door body 40 through a sliding pin and a second spring 28; the first door hook 100 and the second door hook 102 can move relatively, and the lower end of the first door hook 100 extends out to form a bolt 30 which is installed in a slot of the second door hook 102, so that the limiting effect between the first door hook 100 and the second door hook 102 is realized; the first door hook 100 and the second door hook 102 move up and down independently of each other without affecting each other, but are affected by the respectively connected second spring 28 and the slide pin.

Locking process of the door lock 1:

1) as shown in fig. 1, the second door hook 102 is driven by an external force, and under a certain initial speed condition, firstly contacts the trigger 14, so that the trigger rotates clockwise in fig. 1, and the stop 18 is driven to move upwards;

2) as shown in fig. 4 and 5, the stop member 18 is provided with a boss 180, and the driving lever 160 is provided with a stop portion 164, which abut against each other at an initial position; as shown in fig. 6, after the stopper 18 moves upward, the boss 180 and the stopper 164 are misaligned, the stopper 18 no longer blocks the actuating lever 160, and the actuating lever 160 rotates counterclockwise under the tensile force of the first spring, as shown in fig. 6, and the actuating lever 160 starts to contact the second door hook 102;

3) as shown in fig. 7, the driving lever 160 drives the second door hook 102 to move under the pulling force of the first spring, the first door hook 100 simultaneously starts to move along the slope of the first locking hook 200 on the bracket 12 until the first door hook 100 moves to the top end of the slope of the first locking hook 200, and simultaneously, the second door hook 102 starts to move along the slope of the second locking hook 202 until the second door hook 102 moves to the upper horizontal region of the slope, and the movement of the first door hook 100 and the movement of the second door hook 102 do not affect each other. In the process, the second hook 102 starts to contact the damper 220, and the damper 220 starts to play a role of buffering and is continuously compressed;

4) as shown in fig. 8, the driving lever 160 stops moving after rotating to a certain angle, and at this time, the first spring still has a smaller pulling force, and under the pulling force of the second spring 28, the first hook 100 slides to the rear of the slope of the first locking hook 200, and the second hook 102 simultaneously slides to the rear of the horizontal area of the slope of the second locking hook 202, and compresses the damper 220 to the shortest state, so that the force system is balanced, and the door closing process is finished.

(II) unlocking process of the door lock 1:

1) as shown in fig. 7, under the driving of an external force, the first door hook 100 moves to the top end of the slope of the first lock hook 200, the second door hook 102 moves to the horizontal region of the slope of the second lock hook, at this time, the second door hook 102 starts to contact with the driving lever 160, and the damper 220 has a self-reset function and automatically restores to a certain length;

2) under the driving of external force, the second door hook 102 drives the driving lever 160 to rotate clockwise, the first door hook 100 and the second door hook 102 both slide along the ramp or slope of the corresponding lock hook until the second door hook 102 contacts the trigger 14, and at this time, the damper 220 further recovers length;

3) under the driving of external force, the second door hook 102 drives the trigger 14 to rotate counterclockwise, the trigger 14 drives the sliding pin to move downward, no block exists between the sliding pin and the driving lever 160, the driving lever 160 gradually slides into the rear of the sliding pin, and the damper 220 is restored to the original length;

4) under the driving of the external force, the second door hook 102 continues to move outward, i.e. away from the second locking hook 202, and is separated from the triggering element 14, the triggering element 14 first restores the initial state, which drives the stopping element 18 to restore to the state of blocking the driving lever 160;

5) further, the second hook 102 is disengaged from the driving lever 160, the driving lever 160 tends to rotate counterclockwise under the spring tension, but will be blocked by the stopper 18, the force system is balanced, all the components return to the initial state, and the unlocking process of the door lock 1 is finished.

Different from the existing door lock 1 technology for slowly closing the door of the microwave oven, the door lock 1 for slowly closing the door/softly closing the door provided by the embodiment has the advantages of simple structure and lower cost, the depth distance of the bracket 12 is reduced by more than 16%, the structure occupies smaller space, can be applied to more volume models, and has stronger universality.

Example 9

As shown in fig. 9, the present embodiment provides a door assembly 4 including: the door body 40 and the door lock 1 of any one of the embodiments, the door hook assembly 10 of the door lock 1 is arranged on the door body 40, so that the door hook assembly 10 can move towards the latch hook assembly 20 along with the closing of the door body 40 and drive the trigger 14, and after the trigger 14 unlocks the driving assembly 16, the door hook assembly 10 continues to move under the driving of the driving assembly 16 and is combined with the latch hook assembly 20, so that the door body 40 is locked; when the door body 40 is opened, the door hook assembly 10 moves along with the door body 40, is separated from the latch hook assembly 20, and pushes the driving assembly 16 and the trigger 14 to reset.

In this embodiment, by using the door lock 1 according to any one of the above embodiments, all the beneficial effects of the above embodiments are achieved, and are not described herein again.

It is understood that the door assembly 4 of the present embodiment can be applied to various electric appliances and furniture.

Example 10

As shown in fig. 10, the present embodiment provides a cooking appliance 5 including a cooking main body 50 and the door lock 1 in any one of the above embodiments; an opening is provided on the cooking main body 50; the bracket 12 of the door lock 1 is arranged on the cooking main body 50 and is positioned at one side of the opening, the door body 40 is arranged at the opening, and the door hook assembly 10 of the door lock 1 is arranged on the door body 40.

In this embodiment, by using the door lock 1 according to any one of the above embodiments, all the beneficial effects of the above embodiments are achieved, and are not described herein again; the bracket 12 of the door lock 1 is arranged on the cooking main body 50, and because the bracket 12 occupies a small space, the space of other components on the cooking main body 50 can be increased in a limited volume, for example, the cooking space of the cooking main body 50 can be increased, so that the number of food materials which can be cooked by the cooking appliance 5 can be increased; the door body 40 is arranged at the opening, the cooking space of the cooking appliance 5 can be opened through the opening of the door body 40, the cooking space is closed through the closing of the door body 40, in the opening and closing processes, the movement speed of the door body 40 is slowed down, and the noise reduction and the impact between the door body 40 and the cooking main body 50 are facilitated.

Example 11

As shown in fig. 11, the present embodiment provides a cooking appliance 5, which includes a cooking main body 50 and the door assembly 4 of embodiment 8, wherein the door 40 of the door assembly 4 is provided at an opening, the cooking space of the cooking appliance 5 can be opened by opening the door 40, and the cooking space can be closed by closing the door 40; accordingly, the door hook assembly 10 on the door lock 1 of the door assembly 4 is disposed on the door body 40, and other parts of the door lock 1, such as the latch hook assembly 20, are disposed on the cooking body 50, so that the movement speed of the door body 40 can be slowed down during the opening and closing processes of the door body 40, which is beneficial to reducing noise and impact between the door body 40 and the cooking body 50.

Above combine the figure to describe in detail the technical scheme of the utility model, through the utility model discloses a technical scheme has reduced the holistic volume of lock effectively, and occupation space is little, and the range of application is wide, has promoted the commonality of lock, and simple structure.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, 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 is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (12)

1. A door lock, comprising:

a door hook assembly;

a support;

the trigger piece is rotatably arranged on the bracket;

the driving assembly is movably arranged on the bracket and is used for driving the door hook assembly;

the stopping piece is movably arranged on the bracket, is connected with the trigger piece and is used for locking the driving component;

a latch hook assembly disposed on the bracket, the latch hook assembly for locking the door hook assembly,

the door hook assembly drives the trigger piece to rotate, the trigger piece drives the stop piece to unlock the driving assembly, and the driving assembly drives the door hook assembly to move towards the lock hook assembly, so that the lock hook assembly locks the door hook assembly.

2. The door lock of claim 1, further comprising:

and the damping device is arranged on the support and used for slowing down the movement speed of the door hook component to the lock hook component.

3. The door lock according to claim 2,

the drive assembly includes: the driving lever is rotatably arranged on the bracket and is used for driving the door hook component to move;

the driving piece is connected with the driving lever and used for providing driving force for the driving lever.

4. The door lock according to claim 3,

the driving piece comprises any one of an elastic piece, a magnet or an air cylinder, an electric cylinder and a hydraulic cylinder.

5. The door lock according to claim 3,

the driving piece is a first spring, one end of the first spring is connected with the driving lever, the other end of the first spring is connected with the support, and the first spring is stretched when the driving assembly is in a locking state.

6. The door lock of claim 5, further comprising:

the sliding chute is arranged on the bracket;

the stopping piece is arranged in the sliding groove in a sliding mode, and the stopping piece is connected with the trigger piece.

7. The door lock according to claim 6,

the stopping piece and the driving lever are arranged at intervals, and a boss extending towards the driving lever is arranged on the stopping piece;

and a stop part extending towards the stop piece is arranged on one side of the driving lever adjacent to the stop piece, and the stop part is used for being matched with the stop piece.

8. The door lock according to any one of claims 1 to 7, further comprising:

the reset piece is arranged on the support and connected with the trigger piece, and the reset piece is used for driving the trigger piece to reset.

9. The door lock according to any one of claims 1 to 7,

the door hook assembly includes: the door lock comprises a first door hook and a second door hook, wherein one of the first door hook and the second door hook is provided with a slot, and the other one of the first door hook and the second door hook is provided with a bolt which is inserted in the slot in a sliding manner;

at least a portion of one of the first door hook and the second door hook is positioned between the trigger and the drive assembly.

10. The door lock according to claim 9,

the latch hook assembly includes:

the first lock hook is obliquely arranged on the bracket and is used for being matched with the first door hook to lock;

and the second locking hook is obliquely arranged on the bracket and is used for being matched and locked with the second door hook.

11. A door assembly, comprising:

a door body;

the door lock of any one of claims 1-10, wherein the door hook assembly of the door lock is disposed on the door body.

12. A cooking appliance comprising a cooking body having an opening at one end, the cooking appliance further comprising:

the door lock of any one of claims 1-10, a bracket of the door lock disposed on the cooking body; or

The door assembly of claim 11, wherein the door body of the door assembly is disposed at the opening.

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