CN116616612A - Cooking device equipped with automatic door closing device - Google Patents

Abstract

The invention provides a cooking device with an automatic door closing device, and aims to solve the problems of large occupied space and high cost caused by an excessively complex automatic door closing structure of the cooking device in the prior art. A cooking appliance equipped with an automatic door closing device, comprising: the door body is provided with a fixed door hook; the cooking device body is provided with an outer slide block guide rail; the door closing assembly is arranged on the cooker body and comprises an outer sliding block arranged on the outer sliding block guide rail in a sliding manner and a first elastic piece which is arranged between the rear side of the outer sliding block and the cooker body and is in a stretching state; the outer sliding block comprises a door opening position and a door closing position, and the front side of the outer sliding block is provided with a locking component used for locking the fixed door hook when in the door closing position and an unlocking component used for unlocking the locking component to lock the fixed door hook when in the door opening position. The automatic door closing device provided by the invention has the advantages of simple structure, small occupied space and low cost, and can realize automatic door closing.

Description

Cooking device equipped with automatic door closing device

Technical Field

The invention belongs to the technical field of cooking appliances, and particularly relates to a cooking appliance provided with an automatic door closing device.

Background

Traditional cooking ware is closing the door the in-process, needs the staff to accomplish all actions of closing the door, and when the dynamics of people is less, can cause the door body to close not strictly to appear leaking the condition of vapour, when the dynamics of people is great, the door body striking can produce great noise. In order to realize that the cooking ware is closed automatically and make the door body closed completely among the prior art, a cooking ware with automatic door closing structure appears, when closing the door, applys less power to the door body, makes automatic door closing structure contact, and automatic door closing structure can drive the door body and realize automatic door closing afterwards, but current automatic door closing structure is too complicated, and the space that occupies is great, when its application is on the cooking ware that the side was opened the door, can lead to the cost higher.

Disclosure of Invention

The invention provides a cooking device with an automatic door closing device, and aims to solve the problems of large occupied space and high cost caused by an excessively complex automatic door closing structure of the cooking device in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme:

a cooking appliance equipped with an automatic door closing device, comprising:

the door body is provided with a fixed door hook;

the cooking device body is provided with an outer slide block guide rail; the method comprises the steps of,

the door closing assembly is arranged on the cooker body and comprises an outer sliding block arranged on the outer sliding block guide rail in a sliding manner and a first elastic piece which is arranged between the rear side of the outer sliding block and the cooker body and is in a stretching state; the outer sliding block comprises a door opening position in a door opening state and a door closing position in a door closing state, and the front side of the outer sliding block is provided with a locking component for locking the fixed door hook in the door closing position and an unlocking component for unlocking the locking component to lock the fixed door hook in the door opening position;

when the outer sliding block is in the door opening position, the unlocking component releases the locking of the locking component to the fixed door hook and limits the locking component in the unlocking state, and when the locking component is in the unlocking state, the locking component limits the outer sliding block in the door opening position under the action of the unlocking component; when the outer slide block is at the door closing position, the locking component is locked with the fixed door hook and is in a locking state.

The further scheme is as follows: when the door is closed, the fixed door hook moves to the rear side and drives the unlocking component to move to the rear side, the unlocking component releases the limitation of the locking component in an unlocking state, the locking component is switched from the unlocking state to a locking state locked with the fixed door hook and releases the limitation of the outer sliding block in a door opening position, and the first elastic component drives the outer sliding block to move to the door closing position under the action of elastic reset;

when the door is opened, the fixed door hook moves forward and drives the outer slide block to move from a door closing position to a door opening position, the unlocking component moves forward and drives the locking component to switch from a locking state to an unlocking state, and the locking component limits the outer slide block to the door opening position under the action of the unlocking component.

Based on the technical scheme: in the process of closing the door, a user only needs to give a small pushing force to the door body, so that the fixed door hook moves to the cooking device body, meanwhile, the fixed door hook drives the unlocking component to move to the rear side, the unlocking component releases the limitation of the locking component in the unlocking state and releases the limitation of the external sliding block in the door opening position, the locking component and the fixed door hook are locked together, the first elastic piece drives the external sliding block to move to the door closing position under the elastic reset effect, and meanwhile, the external sliding block drives the fixed door hook and the door body to automatically complete the door closing process through the locking component, so that the operation is simple and convenient, and the door body can be ensured to be completely closed.

The further scheme is as follows: the locking assembly comprises a rocker arm which is arranged at the front end of the outer sliding block and is elastic, a rocker arm locking part is arranged at the front end of the rocker arm, a fixed door hook locking part is arranged on the fixed door hook, the rocker arm locking part is locked with the fixed door hook locking part by being close to the fixed door hook locking part, and the locking is released from the fixed door hook locking part by being away from the fixed door hook locking part.

Based on the technical scheme: when the door is closed, under the driving of the fixed door hook, the unlocking component releases the restriction of the rocker arm in the unlocking state, and at the moment, the rocker arm with elasticity can swing towards the fixed door hook through the elastic reset action of the rocker arm, so that the rocker arm locking part and the fixed door hook locking part are locked together.

The further scheme is as follows: the cooking device body is provided with a rocker arm guide rail, and the rocker arm is arranged on the rocker arm guide rail in a sliding manner.

Based on the technical scheme: when the first elastic piece drives the outer sliding block to slide along the outer sliding block guide rail in the door closing direction, the outer sliding block drives the rocker arm to slide along the rocker arm guide rail in the door closing direction. Meanwhile, the rocker arm guide rail also plays an auxiliary limiting role, so that the rocker arm locking part and the fixed door hook locking part are locked together, and the door body is in a closed state after the door is automatically closed.

The further scheme is as follows: the rocker arms are at least two and distributed around the fixed door hooks, and the fixed door hooks are provided with fixed door hook locking parts matched with the rocker arm locking parts of each rocker arm.

Based on the technical scheme: preferably two rocker arms, which are respectively positioned at the upper side and the lower side of the fixed door hook.

The further scheme is as follows: the unlocking assembly comprises an inner sliding block arranged between the rocker arms and positioned at the outer side of the outer sliding block, and a second elastic piece arranged between the inner sliding block and the outer sliding block, an inner sliding block guide rail is arranged on the cooking appliance body, and the inner sliding block is arranged on the inner sliding block guide rail in a sliding manner; a hook-shaped part is arranged at one side of the front end of the rocker arm, which is far away from the locking part of the fixed door hook, and a rocker arm hanging part matched with the hook-shaped part is arranged on the cooker body;

when the door is opened, the fixed door hook moves forwards and drives the outer sliding block to move from a door closing position to a door opening position, the inner sliding block slides forwards under the action of the second elastic piece and drives the rocker arm locking part and the fixed door hook locking part to be unlocked, and the hook-shaped part is hung on the rocker arm hanging part;

when the door is closed, the fixed door hook moves to the rear side and drives the inner slide block to slide to the rear side to compress the second elastic piece, the inner slide block releases the limitation of the rocker arm locking part in an unlocking state, the rocker arm locking part is close to the fixed door hook locking part and is locked with the fixed door hook locking part, and the hook-shaped part is separated from the rocker arm hanging part.

Based on the technical scheme: through setting up unblock subassembly and including interior slider and second elastic component for when closing the door, only need give the less thrust of door body, fixed door hook drives interior slider back side removal and compression second elastic component, the trend that the second elastic component that is compressed has the reduction, interior slider back side removal, remove the restriction effect to the rocking arm, the rocking arm is closed together and rather than locking to fixed door hook under self elasticity reduction effect, when opening the door the position, interior slider moves and drives the rocking arm to keep away from fixed door hook under the effect of second elastic component, make it and fixed door hook release locking, can further open the door body, hook-shaped portion that is located the rocking arm front end is in the order of interior slider simultaneously hangs down on rocking arm wall portion, and interior slider makes the rocking arm restriction in the unblock state and makes outer slider restriction in the position of opening the door under the order of second elastic component, be convenient for close the door action next time. The inner sliding block is arranged between the rocker arms and positioned at the front side of the outer sliding block, so that the structure is compact, and the occupied space is smaller.

The further scheme is as follows: the upper side and the lower side of the inner sliding block are respectively provided with an inner sliding block driving part which is used for driving the rocker arm locking part to move towards one side far away from the fixed door hook locking part when the door is opened, and the rocker arm is provided with a groove matched with the inner sliding block driving part when the door is closed.

Based on the technical scheme: the groove is used for sliding the inner sliding block driving part into the groove when the door is closed, so that the limiting effect on the rocker arm is relieved, and the rocker arm can be closed towards the fixed door hook through the elastic effect and locked with the fixed door hook.

The further scheme is as follows: the second elastic piece is a spring.

The further scheme is as follows: a damper is arranged between the rear side of the outer sliding block and the cooker body.

Based on the technical scheme: when the door is closed, after the locking component is locked with the fixed door hook, the first elastic piece drives the outer sliding block, the locking component and the fixed door hook to further slide towards the closing direction under the action of self elastic force reset to finish the closing process, and the damper provides the outer sliding block with the resistance opposite to the acting force of the first elastic piece, so that the closing speed of the door body is slowed down, and noise and vibration generated by collision between the door body and the cooker body at the closing position of the end point are reduced.

The further scheme is as follows: the damper is arranged on the cooker body, and the movable end of the damper is fixedly connected with the outer sliding block.

Based on the technical scheme: the movable end of the damper is fixedly connected with the outer sliding block, so that when the door is opened, the movable end of the damper is reset along with the outward sliding of the outer sliding block, the damper is ensured to return to a working state, and the next door closing is facilitated to realize a damping effect.

The further scheme is as follows: the rear side of outer slider is equipped with first spacing end, be equipped with the second spacing end on the cooking ware body, work as outer slider is in the door closing position, first spacing end is through supporting to be in the second spacing end makes outer slider keeps in the door closing position.

Based on the technical scheme: the first limiting end is abutted against the second limiting end, so that when the first elastic piece drives the outer sliding block to slide to the door closing position, the outer sliding block cannot slide to the door closing direction again, and the outer sliding block is limited to the door closing position.

The further scheme is as follows: the door closing assembly further comprises at least one micro switch arranged on the cooker body, a switch driving part used for triggering the micro switch is arranged at the rear side of the outer sliding block, and when the outer sliding block is at the door closing position, the switch driving part triggers the micro switch.

Based on the technical scheme: the micro switch is directly arranged at the rear side of the outer slide block, so that when the door is closed, the first elastic piece drives the outer slide block to slide to the door closing position, and the switch driving part on the outer slide block can directly trigger the micro switch to electrify the cooking appliance; when the door is opened, the door body is pulled by a human hand and the outer sliding block is driven to slide outwards by the fixed door hook, so that the switch driving part is separated from the micro switch, the door is opened, the power is cut off, and the safety is better during use; and the switch driving part on the outer slide block directly triggers the micro switch, so that the structure is simplified and the occupied space is smaller.

The further scheme is as follows: the first elastic piece is an outer sliding block tension spring, and two ends of the outer sliding block tension spring are respectively connected with the outer sliding block and the cooker body.

The further scheme is as follows: the door body is also provided with a movable door hook positioned on the upper side of the fixed door hook, the movable door hook is arranged on the door body in a vertical sliding way, and a door hook tension spring for pulling the movable door hook downwards is arranged between the door body and the door body;

the cooker body is provided with a movable door hook hanging part corresponding to the movable door hook when the cooker body is at a door closing position, and when the outer sliding block is at the door closing position, the movable door hook is hung on the movable door hook hanging part.

Based on the technical scheme: when the movable door hook and the fixed door hook are respectively positioned at the upper side and the lower side of the door body, the upper and lower closeness of the door body is better.

The further scheme is as follows: the rear end of the movable door hook is provided with a hook part which is bent downwards, and the lower end of the hook part is provided with a switch driving part;

the movable door hook hanging part comprises a yielding hole, a front guide slope surface positioned at the front side of the yielding hole and inclined upwards from the front side to the rear side, and a rear guide slope surface positioned at the front side and the rear side of the yielding hole and inclined downwards from the front side to the rear side, and the rear side of the rear guide slope surface is provided with a micro switch;

when the door is closed, the hook part at the rear end of the movable door hook is positioned at the rear side of the abdication hole, the front end of the movable door hook is positioned at the front side of the abdication hole, and the switch driving part triggers the micro switch.

Based on the technical scheme: the hook end of the movable door hook is tightly abutted against the micro switch by the downward pulling force provided by the door hook tension spring, so that the electrification is ensured, and the state of the door body is stable after the door is closed. The door is opened and powered off, and the door is closed and powered on, so that the safety is better.

The beneficial effects of the invention are as follows:

according to the door body, the fixed door hook is arranged on the door body, the locking component which is locked with the outer sliding block when the front side of the outer sliding block is arranged at the door closing position and the unlocking component which is used for unlocking the locking component to lock the fixed door hook when the outer sliding block is arranged at the door opening position are arranged on the front side of the outer sliding block, so that the locking component can unlock the locking component to lock the fixed door hook when the outer sliding block is arranged at the door opening position, and at the moment, the outer sliding block is limited at the door opening position by the locking component under the action of the unlocking component, so that the next door closing is facilitated; when the door is closed, the locking component locks the outer sliding block and the door body to form a whole body through the locking with the fixed door hook, and the whole body can automatically move to a door closing position under the reset action of the first elastic piece, so that the automatic door closing is realized.

According to the invention, the locking assembly not only has the function of limiting the outer sliding block at the door opening position in the unlocking state, but also has the function of locking with the fixed door hook in the locking state, and the locking assembly integrates two functions, so that the whole structure is simplified, the required parts are fewer, and the occupied space is smaller.

According to the invention, the unlocking component not only has the function of unlocking the locking component from the fixed door hook when the door is opened, but also can limit the locking component to an unlocking state and the function of limiting the outer sliding block to the door opening position, and the unlocking component integrates the two functions, so that the structure is simplified, the required components are fewer, and the occupied space is smaller.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view showing a structure of a cooker equipped with an automatic door closing device according to the present invention.

Fig. 2 is an exploded view of a cooker equipped with an automatic door closing device according to the present invention.

Fig. 3 is a schematic structural view of an outer slider of a cooking appliance equipped with an automatic door closing device according to the present invention.

Fig. 4 is a schematic structural view of a fixed door hook and a movable door hook of a cooker equipped with an automatic door closing device according to the present invention.

Fig. 5 is a schematic structural view of a door closing assembly of a cooker equipped with an automatic door closing device according to the present invention.

Fig. 6 is a schematic view showing the structure of an outer slide rail, an inner slide rail and a swing arm rail of a cooking appliance equipped with an automatic door closing device according to the present invention.

Fig. 7 is a schematic structural view of an inner slide of a cooker equipped with an automatic door closing device according to the present invention.

Fig. 8 is a schematic view showing a structure of a cooker equipped with an automatic door closing device in a door opening position according to the present invention.

Fig. 9 is a schematic view showing a structure in which a door body moves toward a cooker body when a door is closed in a cooker equipped with an automatic door closing device according to the present invention.

Fig. 10 is a schematic view showing a structure in which a door body of a cooker equipped with an automatic door closing device is moved further toward a cooker body than fig. 9 when the door is closed.

Fig. 11 is a schematic view showing a structure in which a door body of a cooker equipped with an automatic door closing device is moved further toward a cooker body than fig. 10 when the door is closed.

Fig. 12 is a schematic view showing a structure of a cooker equipped with an automatic door closing device when a door body is completely closed.

Fig. 13 is a schematic view showing a structure of a door body of a cooker equipped with an automatic door closing device, which is far away from a cooker body when the cooker is opened.

Fig. 14 is a schematic view showing a structure of a door body of the cooking apparatus equipped with the automatic door closing device according to the present invention, which is further away from the cooking apparatus body than fig. 13 when the door is opened.

Fig. 15 is a schematic view showing a structure of a door body of a cooker equipped with an automatic door closing device according to the present invention, which is further away from the cooker body than fig. 14 when the door is opened.

The reference numerals in the figures illustrate:

1-a door body; 111-a door hook tension spring hook; 112-upper door spindle; 113-lower door spindle; 114-upper door spindle support; 115-lower door spindle support; 116-abdication hole; 117-front guide ramp; 118-rear guide ramp; 2-fixing a door hook; 211-a fixed door hook locking portion; 212-fixed door hook driving part; 213-screws; 3-a movable door hook; 311-door hook tension spring; 312-hook portion; 313-a third switch driving section; 314—a moveable door hook rail; 315-a movable door hook; 4-a cooker body; 41-interlocking support seats; 411-a second limit end; 412-an outer slider rail; 413-inner slide rails; 414-rocker arm guide rail; 415-rocker arm rest; 42-interlocking support cover; 5-an outer slide block; 511-rocker arms; 512-rocker arm latch; 513-hooks; 514-a first limit end; 515-a clamping groove; 516-outer slider guide; 517-rocker arm guide; 518-grooves; 519-outer slide tension spring hook; 520-a first switch driving part; 521-a second switch driving section; 6-an inner slide; 611-an inner slide driving part; 612-inner slide guide; 7-a second elastic member; 8-a first elastic member; 9-a first microswitch; 10-a second microswitch; 11-a third microswitch; 12-a damper; 1211-damper active end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without creative efforts, are included in the protection scope of the present invention based on the embodiments of the present invention.

As shown in fig. 1 to 7, the present embodiment provides a cooker equipped with an automatic door closing device, comprising:

the door body 1 is provided with a fixed door hook 2;

a cooker body 4 provided with an outer slider rail 412; the method comprises the steps of,

a door closing assembly provided on the cooker body 4, the door closing assembly including an outer slider 5 slidably provided on the outer slider rail 412 and a first elastic member 8 provided between a rear side of the outer slider 5 and the cooker body 4 and in a stretched state; the outer slide block 5 comprises a door opening position in a door opening state and a door closing position in a door closing state, and a locking component used for locking the fixed door hook 2 in the door closing position and an unlocking component used for unlocking the locking component to lock the fixed door hook 2 in the door opening position are arranged on the front side of the outer slide block 5;

as shown in fig. 8, when the outer slide block 5 is in the door opening position, the unlocking component releases the locking component from locking the fixed door hook 2 and limits the locking component in the unlocking state, and when the locking component is in the unlocking state, the locking component limits the outer slide block 5 in the door opening position under the action of the unlocking component; as shown in fig. 12, when the outer slider 5 is in the door-closed position, the locking assembly is locked with the fixed door hook 2 and the locking assembly is in a locked state.

As shown in fig. 1, 2 and 6, the cooking device according to the present embodiment may be a side-opening cooking device such as an oven, a baking oven, etc., wherein one side of the door body 1 is hinged on the cooking device body 4, the other side of the door body 1 is rotatable relative to the cooking device body 4, the door body 1 is hinged on the cooking device body 4 through rotation to open and close the door, the door body 1 is provided with an upper door shaft support 114 corresponding to the upper door shaft 112 and a lower door shaft support 115 corresponding to the lower door shaft 113, and the fixed door hook 2 and the movable door hook 3 are both disposed on one side of the door body 1 capable of being freely opened and closed. An interlocking support seat 41 and an interlocking support cover 42 for installing the door closing assembly are arranged in the cooker body 4, the interlocking support seat 41 and the interlocking support cover 42 are mutually buckled to form a space for installing the door closing assembly, and an outer sliding block guide rail 412, an inner sliding block guide rail 413 and a rocker arm guide rail 414 are respectively arranged at corresponding positions of the interlocking support seat 41 and the interlocking support cover 42. The outer slider 5 is provided with an outer slider guide 516 slidably disposed in the outer slider rail 412, and the outer slider guide 516 may be a guide post.

The first elastic piece 8 may be an outer slider 5 tension spring, and two ends of the outer slider 5 tension spring are respectively connected with the outer slider 5 and the cooker body 4. As shown in fig. 3 and 6, as a specific way, an outer slider tension spring hook 519 is provided at the rear side of the outer slider 5, a tension spring hook is provided on the cooker body 4, and both ends of the outer slider 5 tension spring are respectively hooked on the outer slider tension spring hook 519 and the tension spring hook.

On the basis of the scheme, as shown in fig. 8 to 12, when the door is closed, a user only needs to push the door body 1 a little, so that the fixed door hook 2 moves towards the cooker body 4, the fixed door hook 2 moves towards the rear side and drives the unlocking component to move towards the rear side, the unlocking component releases the limitation of the locking component in the unlocking state, the locking component is switched from the unlocking state to the locking state locked with the fixed door hook 2 and releases the limitation of the outer sliding block 5 in the door opening position, the first elastic piece 8 drives the outer sliding block 5 to move to the door closing position under the action of elastic reset, and in the process that the outer sliding block 5 slides along the outer sliding block guide rail 412, the locking component drives the fixed door hook 2 and the door body 1 to slide towards the direction, so that the door body 1 is automatically closed;

as shown in fig. 12 to 15, when the door is opened, the fixed door hook 2 moves forward and drives the outer slide block 5 to move from the door closing position to the door opening position, the unlocking component moves forward and drives the locking component to switch from the locking state to the unlocking state, and the locking component limits the door opening position of the outer slide block 5 in the door opening state under the action of the unlocking component, so that the next door closing is facilitated. In the unlocked state, the locking assembly releases the fixed door hook 2, and at this time, the door body 1 is pulled forward continuously, so that the door body 1 can be opened.

On the basis of any one of the above schemes, as shown in fig. 3 and 4, the locking assembly may include a rocker arm 511 provided at the front end of the outer slider 5 and having elasticity, the rear end of the rocker arm 511 may be integrally formed with the outer slider 5, the front end of the rocker arm 511 is provided with a rocker arm locking portion 512, the fixed door hook 2 is provided with a fixed door hook locking portion 211, and the rocker arm locking portion 512 is locked with the fixed door hook locking portion 211 by approaching to the fixed door hook locking portion 211, and is unlocked from the fixed door hook locking portion 211 by being away from the fixed door hook locking portion 211. As a specific embodiment, the rocker arm locking portion 512 may be an arc-shaped protrusion, and the fixed door hook locking portion 211 may be an arc-shaped groove adapted to the arc-shaped protrusion.

As shown in fig. 3 and 6, in order to ensure that the rocker arm locking portion 512 and the fixed door hook locking portion 211 are locked together to slide in the door closing direction during the door closing process, a rocker arm guide rail 414 is provided on the cooking apparatus body 4, the rocker arm 511 is slidably disposed on the rocker arm guide rail 414, specifically, a rocker arm guide portion 517 is provided at the front end of the rocker arm 511, and the rocker arm guide portion 517 may be a guide post, and the guide post is slidably disposed in the rocker arm guide rail 414. To facilitate the swing arm locking portion 512 toward or away from the fixed door hook locking portion 211, the rear section of the swing arm guide rail 414 is parallel to the outer slider guide rail 412, and the front end of the swing arm guide rail 414 extends toward the side away from the fixed door hook 2, so that the swing arm locking portion 512 can have a space to move toward the side away from the fixed door hook locking portion 211 in the door opening position.

In this embodiment, the rocker arms 511 have at least two and are distributed around the fixed door hook 2, and the fixed door hook 2 is provided with a fixed door hook locking portion 211 that mates with the rocker arm locking portion 512 of each rocker arm 511. In a specific embodiment, two rocker arms 511 are preferably located on the upper and lower sides of the fixed door hook 2, and the fixed door hook locking portions 211 are provided on the upper and lower sides of the fixed door hook 2. When the door is closed, the rocker arm locking portions 512 of the two rocker arms 511 are respectively closed toward the fixed door hook 2 from the upper and lower sides, and are respectively locked with the fixed door hook locking portions 211 of the upper and lower sides of the fixed door hook 2, so that the fixed door hook 2 is clamped between the two rocker arms 511.

In this embodiment, as shown in fig. 5 to 7, the unlocking assembly may include an inner slide 6 disposed between the rocker arms 511 and located outside the outer slide 5, and a second elastic member 7 disposed between the inner slide 6 and the outer slide 5, and the inner slide guide 413 is disposed on the cooking appliance body 4, and the inner slide 6 is slidably disposed on the inner slide guide 413, specifically, an inner slide guide 612 is disposed on the inner slide 6, and the inner slide guide 612 may be a guide block, and the guide block is slidably disposed on the inner slide guide 413; a hook-shaped part 513 is arranged at the front end of the rocker arm 511 and at one side far away from the locking part of the fixed door hook 2, and a rocker arm hanging part 415 matched with the hook-shaped part 513 is arranged on the cooker body 4;

as shown in fig. 12 to 15, when the door is opened, the fixed door hook 2 moves forward and drives the outer slide 5 to move from the door closing position to the door opening position, the inner slide 6 slides forward under the action of the second elastic member 7 and drives the rocker arm locking portion 512 to unlock from the fixed door hook locking portion 211 and the hook portion 513 to hang on the rocker arm hanging portion 415;

as shown in fig. 9 to 12, when the door is closed, the fixed door hook 2 moves to the rear side and drives the inner slide 6 to slide to the rear side to compress the second elastic member 7, the inner slide 6 releases the restriction of the rocker arm locking portion 512 in the unlocked state, the rocker arm locking portion 512 approaches the fixed door hook locking portion 211 and is locked with the fixed door hook locking portion 211, and the hook portion 513 is separated from the rocker arm hanging portion 415. The swing arm catching portion 415 may have a step shape, and the hook portion 513 is caught on a front side of the step in the door opening position.

The rear end of the fixed door hook 2 is a fixed door hook driving part 212, and when the door is closed, the fixed door hook driving part 212 drives the inner slide 6 to slide backward by abutting against the front end of the inner slide 6.

The second elastic member 7 may be a spring, and a spring mounting portion is provided on both the rear side of the inner slider 6 and the front side of the outer slider 5.

As shown in fig. 3 and fig. 7, as a specific embodiment of the inner slide 6, both upper and lower sides of the inner slide 6 are provided with an inner slide driving portion 611 for driving the swing arm locking portion 512 to move to a side far from the fixed door hook locking portion 211 when in the door opening position, the inner slide driving portion 611 may be an arc-shaped protrusion, and the swing arm 511 is provided with a groove 518 that is matched with the inner slide driving portion 611 when in the door closing position. The groove 518 is used for sliding the inner slide driving part 611 into the groove 518 when the door is closed, thereby releasing the restriction on the swing arm 511, so that the swing arm 511 can be closed toward the fixed door hook 2 by the elastic action to lock with the fixed door hook 2.

As shown in fig. 3 and 5, a damper 12 is provided between the rear side of the outer slider 5 and the cooker body 4. As a specific embodiment, the damper 12 is disposed on the cooking apparatus body 4 and the damper movable end 1211 is fixedly connected to the outer slide 5. As a detachable fixed connection manner between the damper 12 and the outer slide 5, the movable end 1211 of the damper is provided with a cylindrical clamping block, the rear side of the outer slide 5 is provided with a clamping groove 515 matched with the cylindrical clamping block, and the cylindrical clamping block is positioned in the clamping groove 515. The movable end 1211 of the damper is fixedly connected with the outer slide block 5, so that when the door is opened, the movable end 1211 of the damper is reset along with the outer slide block 5 sliding outwards, the damper 12 is ensured to return to the working state, and the damping effect is conveniently exerted in the next door closing process.

As shown in fig. 3 and 6, on the basis of any one of the above schemes, a first limiting end 514 is provided on the rear side of the outer slide 5, a second limiting end 411 is provided on the cooking device body 4, and when the outer slide 5 is in the door closing position, the first limiting end 514 abuts against the second limiting end 411 to keep the outer slide 5 in the door closing position. The first limiting end 514 abuts against the second limiting end 411, so that when the first elastic member 8 drives the outer sliding block 5 to slide to the door closing position, the outer sliding block 5 cannot slide in the door closing direction any more, and is limited to the door closing position.

On the basis of any one of the above schemes, the door closing assembly further comprises at least one micro switch arranged on the cooker body 4, a switch driving part for triggering the micro switch is arranged at the rear side of the outer sliding block 5, and when the outer sliding block 5 is at the door closing position, the switch driving part triggers the micro switch. The number of micro switches positioned at the rear side of the outer slide 5 can be two, namely a first micro switch 9 and a second micro switch 10, the first micro switch 9 is positioned at the upper side of the second micro switch 10 and at the front side of the second micro switch, and a first switch driving part 520 for triggering the first micro switch 9 and a second switch driving part 521 for triggering the second micro switch 10 are respectively arranged at the rear side of the outer slide 5. As shown in fig. 12, when the door is closed, the first elastic member 8 drives the outer slider 5 to slide to the door closing position, the first switch driving portion 520 triggers the first micro switch 9 and the second switch driving portion 521 triggers the second micro switch 10, so that the cooking appliance is powered on; as shown in fig. 13, when the door is opened, the door body 1 is pulled by a human hand and the outer slide block 5 is driven to slide outwards by the fixed door hook 2, and at this time, the switch driving part is separated from the micro switch, so that the door is opened, and the power is cut off.

As shown in fig. 1, 4 and 6, on the basis of any one of the above schemes, the door body 1 is further provided with a movable door hook 3 located at the upper side of the fixed door hook 2, the movable door hook 3 is arranged on the door body 1 in a vertically sliding manner, and a door hook tension spring 311 for pulling down the movable door hook 3 is arranged between the door body 1; specifically, a door hook tension spring hook 111 is arranged on the door body 1, a movable door hook 315 is arranged on the movable door hook 3, and two ends of the door hook tension spring 311 are respectively hung on the door hook tension spring hook 111 and the movable door hook 315; the movable door hook 3 is vertically movably arranged in the fixed door hook 2 through a movable door hook guide rail 314 integrally formed with the movable door hook 3, a guide groove for the movable door hook guide rail 314 to vertically slide is arranged in the fixed door hook 2, and the fixed door hook 2 is fixedly arranged on the door body 1 through a screw 213.

The cooker body 4 is provided with a movable door hook 3 hanging part corresponding to the movable door hook 3 in a door closing position, and when the outer sliding block 5 is in the door closing position, the movable door hook 3 is hung on the movable door hook 3 hanging part.

As a specific way, the rear end of the movable door hook 3 is provided with a hook portion 312 bent downwards, and the lower end of the hook portion 312 is provided with a switch driving portion; the switch driving section is a third switch driving section 313;

the hanging part of the movable door hook 3 comprises a yielding hole 116, a front guide slope 117 positioned at the front side of the yielding hole 116 and inclined upwards from the front side to the rear side, and a rear guide slope 118 positioned at the front side and the rear side of the yielding hole 116 and inclined downwards from the front side to the rear side, wherein a micro switch is arranged at the rear side of the rear guide slope 118, and is a third micro switch 11;

as shown in fig. 12, when in the door closing position, the hook portion 312 at the rear end of the movable door hook 3 is located at the rear side of the relief hole 116, the front end of the movable door hook 3 is located at the front side of the relief hole 116, and the switch driving portion activates the micro switch. As shown in fig. 9 to 11, during the closing process, the hook portion 312 of the movable door hook 3 slides upward along the front guide slope 117, and then slides downward along the rear guide slope 118 through the relief hole 116 to a position where the third micro switch 11 is triggered, wherein the hook tension spring 311 always provides downward tension, so that the movable door hook 3 keeps triggering the third micro switch 11, and power is ensured.

Description of working principle:

as shown in fig. 8, the door body 1 is in a door-open state,

as shown in fig. 9, when the door is closed, the user only needs to apply a small force to the door body 1 to move the fixed door hook 2 towards the cooking appliance body 4, the rear end of the fixed door hook 2 will drive the inner slide 6 to move backward to compress the second elastic member 7 after contacting the front end of the inner slide 6, and when the inner slide driving part 611 on the inner slide 6 slides into the groove 518, the inner slide 6 releases the limitation of the swing arm 511 in releasing the locking state, so that the swing arm 511 has a reset space for approaching the fixed door hook 2.

After the rocker arm 511 is released from the restriction, the rocker arm locking portion 512 is brought close to the fixed door hook locking portion 211 by its own elasticity and locked with the fixed door hook locking portion 211, and at the same time, the hook portion 513 on the rocker arm 511 is separated from being hung on the rocker arm hanging portion 415, so that the door body 1, the fixed door hook 2, the outer slider 5, the inner slider 6 and the rocker arm 511 form a whole with a tendency to slide in the closing direction, and the whole slides in the closing direction under the action of the first elastic member 8, and as shown in fig. 11, the damper 12 exerts a damping action to provide a force opposite to the direction of the first elastic member 8 to the outer slider 5, thereby slowing down the closing speed of the door body 1.

During the closing process, the hook portion 312 at the rear end of the movable door hook 3 slides upward along the front guide slope 117 and, after passing through the relief hole 116, downward along the rear guide slope 118. During this process, the hook tension spring 311 always provides a downward tension, causing the hook portion 312 to abut against the front guide ramp 117 or the rear guide ramp 118.

As shown in fig. 12, when the outer slider 5 slides to the door closing position, the door body 1 is completely closed, at this time, the first switch driving unit 520 triggers the first micro switch 9, the second switch driving unit 521 triggers the second micro switch 10, and the third switch driving unit 313 triggers the third micro switch 11, thereby realizing door closing energization.

As shown in fig. 13, when the door is opened, the door body 1 needs to be pulled by hand to move in the opening direction, and at this time, the first switch driving part 520 is separated from the first micro switch 9, the second switch driving part 521 is separated from the second micro switch 10, the third switch driving part 313 is separated from the third micro switch 11, and the cooker is powered off.

As shown in fig. 14, the swing arm lock portion 512 is always locked with the fixed door hook lock portion 211 due to the restriction of the swing arm guide 414 while the door body 1 is continuously pulled in the door opening direction. As shown in fig. 15, when the door opening position is reached, the swing arm 511 has a space to swing away from the fixed door hook 2, at this time, the second elastic member 7 is reset and drives the inner slide 6 to slide forward, the inner slide 6 drives the swing arm 511 to swing away from the fixed door hook 2 during the sliding, and the swing arm locking portion 512 and the fixed door hook locking portion 211 are unlocked, after which the door body 1 can be smoothly opened. At this time, as shown in fig. 8, the hook 513 at the front end of the swing arm 511 is caught by the swing arm catching portion 415, and the outer slider 5 is restricted to the door opening position.

The invention is not limited to the above-mentioned alternative embodiments, on the premise of not contradicting each other, can combine arbitrarily between every scheme; any person who is in the light of the present invention can obtain other products in various forms, however, any changes in shape or structure are within the scope of the present invention as defined by the claims.

Claims (14)

1. A cooking appliance equipped with an automatic door closing device, comprising:

the door body is provided with a fixed door hook;

the cooking device body is provided with an outer slide block guide rail; the method comprises the steps of,

the door closing assembly is arranged on the cooker body and comprises an outer sliding block arranged on the outer sliding block guide rail in a sliding manner and a first elastic piece which is arranged between the rear side of the outer sliding block and the cooker body and is in a stretching state; the outer sliding block comprises a door opening position in a door opening state and a door closing position in a door closing state, and the front side of the outer sliding block is provided with a locking component for locking the fixed door hook in the door closing position and an unlocking component for unlocking the locking component to lock the fixed door hook in the door opening position;

when the outer sliding block is in the door opening position, the unlocking component releases the locking of the locking component to the fixed door hook and limits the locking component in the unlocking state, and when the locking component is in the unlocking state, the locking component limits the outer sliding block in the door opening position under the action of the unlocking component; when the outer slide block is at the door closing position, the locking component is locked with the fixed door hook and is in a locking state.

2. The cooker equipped with an automatic door closing device according to claim 1, wherein when the door is closed, the fixed door hook moves to the rear side and drives the unlocking assembly to move to the rear side, the unlocking assembly releases the restriction of the locking assembly in the unlocking state, the locking assembly is switched from the unlocking state to the locking state locked with the fixed door hook and releases the restriction of the outer slide block in the door opening position, and the first elastic member drives the outer slide block to move to the door closing position under the elastic reset action;

when the door is opened, the fixed door hook moves forward and drives the outer slide block to move from a door closing position to a door opening position, the unlocking component moves forward and drives the locking component to switch from a locking state to an unlocking state, and the locking component limits the outer slide block to the door opening position under the action of the unlocking component.

3. The cooking appliance equipped with the automatic door closing device according to claim 2, wherein the locking assembly includes a rocker arm provided at a front end of the outer slider and having elasticity, a rocker arm locking portion is provided at a front end of the rocker arm, a fixed door hook locking portion is provided on the fixed door hook, the rocker arm locking portion is locked with the fixed door hook locking portion by being moved toward the fixed door hook locking portion, and is unlocked from the fixed door hook locking portion by being moved away from the fixed door hook locking portion.

4. A cooking apparatus equipped with an automatic door closing device according to claim 3, wherein a rocker rail is provided on the cooking apparatus body, and the rocker is slidably provided on the rocker rail.

5. A cooking appliance equipped with an automatic door closing device according to claim 3 or 4, wherein said rocker arms are distributed around said fixed door hooks, said fixed door hooks being provided with fixed door hook locking portions cooperating with the rocker arm locking portions of each rocker arm.

6. The cooking appliance equipped with an automatic door closing device according to claim 5, wherein the unlocking assembly comprises an inner slide disposed between the rocker arms and located outside the outer slide, and a second elastic member disposed between the inner slide and the outer slide, the cooking appliance body being provided with an inner slide rail on which the inner slide is slidably disposed; a hook-shaped part is arranged at one side of the front end of the rocker arm, which is far away from the locking part of the fixed door hook, and a rocker arm hanging part matched with the hook-shaped part is arranged on the cooker body;

when the door is opened, the fixed door hook moves forwards and drives the outer sliding block to move from a door closing position to a door opening position, the inner sliding block slides forwards under the action of the second elastic piece and drives the rocker arm locking part and the fixed door hook locking part to be unlocked, and the hook-shaped part is hung on the rocker arm hanging part;

when the door is closed, the fixed door hook moves to the rear side and drives the inner slide block to slide to the rear side to compress the second elastic piece, the inner slide block releases the limitation of the rocker arm locking part in an unlocking state, the rocker arm locking part is close to the fixed door hook locking part and is locked with the fixed door hook locking part, and the hook-shaped part is separated from the rocker arm hanging part.

7. The cooking device equipped with the automatic door closing device according to claim 6, wherein the upper side and the lower side of the inner slide are respectively provided with an inner slide driving part for driving the rocker arm locking part to move to a side far away from the fixed door hook locking part when the inner slide is in the door opening position, and the rocker arm is provided with a groove matched with the inner slide driving part when the inner slide is in the door closing position;

the second elastic piece is a spring.

8. The cooking appliance equipped with an automatic door closing device according to claim 1, wherein a damper is provided between the rear side of the outer slider and the cooking appliance body.

9. The cooking device with automatic door closing mechanism as recited in claim 8, wherein the damper is provided on the cooking device body and the movable end of the damper is fixedly connected to the outer slide.

10. The cooking device equipped with an automatic door closing device according to claim 1, wherein a first limit end is provided on the rear side of the outer slide, a second limit end is provided on the cooking device body, and the first limit end keeps the outer slide in the door closing position by abutting against the second limit end when the outer slide is in the door closing position.

11. The cooking appliance equipped with an automatic door closing device according to claim 1, wherein the door closing assembly further comprises at least one micro switch provided on the cooking appliance body, a switch driving part for triggering the micro switch is provided at a rear side of the outer slider, and the switch driving part triggers the micro switch when the outer slider is in a door closing position.

12. The cooker equipped with an automatic door closing device according to claim 1, wherein the first elastic member is an outer slider tension spring, and both ends of the outer slider tension spring are respectively connected with the outer slider and the cooker body.

13. The cooking device with the automatic door closing device according to claim 1, wherein the door body is further provided with a movable door hook positioned on the upper side of the fixed door hook, the movable door hook is arranged on the door body in a vertical sliding manner, and a door hook tension spring for pulling down the movable door hook is arranged between the door body and the door body;

the cooker body is provided with a movable door hook hanging part corresponding to the movable door hook when the cooker body is at a door closing position, and when the outer sliding block is at the door closing position, the movable door hook is hung on the movable door hook hanging part.

14. The cooking apparatus equipped with the automatic door closing device according to claim 13, wherein a hook portion bent downward is provided at a rear end of the movable door hook, and a switch driving portion is provided at a lower end of the hook portion;

the movable door hook hanging part comprises a yielding hole, a front guide slope surface positioned at the front side of the yielding hole and inclined upwards from the front side to the rear side, and a rear guide slope surface positioned at the front side and the rear side of the yielding hole and inclined downwards from the front side to the rear side, and the rear side of the rear guide slope surface is provided with a micro switch;

when the door is closed, the hook part at the rear end of the movable door hook is positioned at the rear side of the abdication hole, the front end of the movable door hook is positioned at the front side of the abdication hole, and the switch driving part triggers the micro switch.