CN112727317A - Cabinet capable of automatically opening and closing cabinet door - Google Patents

Abstract

The invention provides a cabinet capable of automatically opening and closing a cabinet door, which comprises: the device comprises a cabinet body, a cabinet door, a lifting device, a driving device and an induction device; the cabinet door is arranged on one side of the cabinet body in a sliding hinged mode, can be turned and moved between an opening position and a closing position to switch the state, and correspondingly exposes the inner space of the cabinet body; the lifting device is hinged in the cabinet body and can drive the cabinet door to move between an opening position and a closing position; the driving device is in transmission connection with the lifting device to provide power to drive the lifting device to hinge and rotate along a preset path; the sensing device comprises a manual sensor which is arranged on the cabinet door and close to the user side, and the manual sensor can be controlled by the user to trigger the driving device to start and stop. The user can be through hand or other positions near manual inductor to trigger manual inductor feedback information to ordering about the cubical switchboard door, simple structure and operation are convenient, and the cubical switchboard door operation of the different crowds of being convenient for realizes automatic cubical switchboard door.

Description

Cabinet capable of automatically opening and closing cabinet door

Technical Field

The invention relates to the technical field of articles for daily use, in particular to a cabinet capable of automatically opening and closing a cabinet door.

Background

In the age of the small and precious land, people usually design various cabinets to put some articles in the cabinets so as to be convenient to store or take in order to not occupy too much space, and be more convenient to use in multiple directions when in use. At present, conventional cabinets, such as wall cabinets, kitchen cabinets, bathroom cabinets, etc., generally need to open a cabinet door to access articles.

At present, the cabinet door and the cabinet body are generally designed to be of a hinge type or a pull type, and the cabinet door needs to be manually opened or closed when being opened or closed. Directly go the cubical switchboard door through manual, to the shorter crowd of some heights, or the crowd of inconvenient operation, it is not very convenient to get the cubical switchboard door when putting article, and adaptability is not wide enough, has brought inconvenience for some users. Now along with the continuous improvement of people's standard of living, people more and more enjoy the swift and convenient that the automation brought, the cupboard can not satisfy people's user demand through the manual traditional mode that opens and shuts.

Disclosure of Invention

The invention discloses a cabinet capable of automatically opening and closing a cabinet door, and aims to solve the problem that the existing cabinet is inconvenient to open and close the door.

The invention adopts the following scheme:

the application provides a cupboard that can automatic switch cabinet door includes: the device comprises a cabinet body, a cabinet door, a lifting device, a driving device and an induction device; the cabinet door is arranged on one side of the cabinet body in a sliding hinged mode, can be turned and moved between an opening position and a closing position to switch states, and correspondingly exposes the inner space of the cabinet body; the lifting device is hinged in the cabinet body and can drive the cabinet door to move between an opening position and a closing position; the driving device is in transmission connection with the lifting device to provide power to drive the lifting device to hinge and rotate along a preset path; the sensing device comprises a manual sensor which is arranged on the cabinet door and close to the user side, and the manual sensor can be controlled by the user to trigger the driving device to start and stop.

As a further improvement, the cabinet door comprises a first cabinet door and a second cabinet door which are separately configured, and the first cabinet door and the second cabinet door are hinged in an internal manner through a hinge; the first cabinet door and the cabinet body slide mutually and are arranged in a hinged mode, the second cabinet door is linked with the lifting device, so that the lifting device can switch the whole cabinet door to the closing position through the second cabinet door when in a first limit state and can enable the cabinet door to be in a plate shape to be fastened on the side of the cabinet body, and the lifting device can switch the whole cabinet door to the opening position through the second cabinet door when rotating to a second limit state and enables the cabinet door to be bent outwards in a rotating and bending mode so as to avoid the inner space of the cabinet body.

As a further improvement, a roller mechanism is arranged at the joint of the first cabinet door and the cabinet body, and the cabinet body is provided with a guide rail mechanism which can be embedded with the roller mechanism; the first cabinet door can rotate relative to the guide rail mechanism along the hinged end of the roller mechanism and slides along the arrangement direction of the guide rail mechanism after rotating to a preset angle, so that the second cabinet door and the first cabinet door are driven by the lifting device to overturn and retreat to an open position.

As a further improvement, the first cabinet door and the second cabinet door are arranged in a substantially vertical flush manner when in a closed position, the guide rail mechanism is transversely arranged at the top end of the cabinet body and is formed with a movable space for accommodating the roller mechanism, and the roller mechanism is arranged on two sides of the top of the first cabinet door and can be movably embedded in the sliding groove of the guide rail mechanism so as to allow the top of the first cabinet door to be hinged and rotated and retreat and slide in the movable space.

As a further improvement, both sides of the top of the first cabinet door are constructed into concave structures, so that the cross section of the first cabinet door is approximately in a convex shape, and the roller mechanisms are symmetrically arranged at the concave structures; the lifting device is in a middle value state, and moves to the middle value state from the first limit state, so that the first cabinet door is hinged and rotated relative to the cabinet body along the hinged end of the roller mechanism until the first cabinet door is approximately flush with the guide rail mechanism; and the cabinet door moves to a second limit state in the intermediate value state, so that the first cabinet door continues to rotate until the roller mechanism can retreat and slide relative to the sliding groove.

As a further improvement, the concave structure of the first cabinet door can always abut against the guide rail mechanism in the sliding process of the first cabinet door along the sliding groove so as to limit the rotation threshold of the first cabinet door.

As a further improvement, the lifting device comprises a rotating mechanism which is linked with the driving device and is hinged in the cabinet body and a rod mechanism which is arranged on the rotating mechanism and extends to be pivoted with the second cabinet door; the rod mechanism is approximately inclined in the cabinet body when the cabinet door is in the opening position and the closing position.

As a further improvement, the rod mechanism is disposed on the rotating mechanism in an inserting manner, and the rotating mechanism is provided with an installation part capable of accommodating the rod mechanism and driving the rod mechanism to lift along a rotating path.

As a further improvement, the rod body mechanism is of a telescopic sleeve rod structure, and the elastic force is supported between the second cabinet door and the rotating mechanism; when the cabinet door moves to the opening position, the gravity of the cabinet door at the rod body mechanism is larger than the elastic force between the telescopic sleeve rods, so that the bending degree between the two cabinet doors is reduced by pressing the rod body mechanism, and the avoidance opening degree of the second cabinet door to the inner space of the cabinet body is correspondingly increased.

As a further improvement, the driving device comprises a driving mechanism connected with the power supply device and a control circuit board for controlling the driving mechanism to start and stop; the driving mechanism is connected with the rotating mechanism, and the manual sensor is electrically connected with the control circuit board.

By adopting the technical scheme, the invention can obtain the following technical effects:

the utility model provides a cupboard is equipped with induction system to dispose manual inductor through being close to user side at the cabinet door, can open with control drive arrangement under the trigger of user's operatability and stop, utilize to lift the device in order to switch over the activity of cabinet door between open position and closed position. The user can be through hand or other positions near manual inductor to trigger manual inductor feedback information to ordering about the cubical switchboard door, simple structure and operation are convenient, and the cubical switchboard door operation of the different crowds of being convenient for realizes automatic cubical switchboard door. Wherein, the cabinet door disposes in cabinet body one side with the articulated mode of sliding, can drive about the cabinet door and switch between open position and closed position under the articulated pivoted drive of lifting device to lift the cabinet door to the inner space that exposes the cabinet body, realize nimble cubical switchboard door, it is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a cabinet capable of automatically opening and closing a cabinet door according to an embodiment of the present invention, wherein the cabinet door is in a closed position;

FIG. 2 is a schematic view of the cabinet door of FIG. 1 in an open position;

FIG. 3 is a schematic disassembled view of a cabinet with a door capable of being opened and closed automatically according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure between the driving means and the lifting means of FIG. 3;

FIG. 5 is a sectional view of a cabinet with an automatically openable and closable cabinet door according to an embodiment of the present invention from one perspective;

fig. 6 is a schematic structural diagram of a lifting device of a cabinet capable of automatically opening and closing a cabinet door according to an embodiment of the invention in a first limit state;

fig. 7 is a schematic structural diagram of a lifting device of a cabinet capable of automatically opening and closing a cabinet door according to an embodiment of the present invention in an intermediate state;

fig. 8 is a schematic structural diagram of the lifting device of the cabinet capable of automatically opening and closing the cabinet door according to the embodiment of the invention in the second limit state.

Icon: 1-a cabinet body; 2-cabinet door; 21-a first cabinet door; 211-a concave structure; 22-a second cabinet door; 221-a hinged seat; 3-a lifting device; 31-a rotation mechanism; 311-a mounting part; 32-a lever mechanism; 4-a drive device; 41-a drive mechanism; 5-a manual sensor; 6-a hinge; 7-a roller mechanism; 8-a guide rail mechanism; 9-power supply means.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

With reference to fig. 1 to 5, the present embodiment provides a cabinet capable of automatically opening and closing a cabinet door, including: the cabinet comprises a cabinet body 1, a cabinet door 2, a lifting device 3, a driving device 4 and an induction device. The cabinet door 2 is disposed at one side of the cabinet 1 in a sliding hinge manner, and can be turned and moved between an open position and a closed position to switch states, so as to correspondingly expose the inner space of the cabinet 1. The lifting device 3 is hinged in the cabinet body 1 and can drive the cabinet door 2 to move between an opening position and a closing position. The driving device 4 is in transmission connection with the lifting device 3 to provide power to drive the lifting device 3 to hinge along a preset path. The sensing device comprises a manual sensor 5 disposed on the cabinet door 2 and close to the user side, and the manual sensor 5 can be controlled by the user to trigger the driving device 4 to start or stop.

In the embodiment, the cabinet is provided with a sensing device, and a manual sensor 5 is arranged on the side of the cabinet door 2 close to the user, so that the cabinet door 2 can be actively switched between the opening position and the closing position by the lifting device 3 under the triggering of user operation and by controlling the driving device 4 to start and stop. The user can be through hand or other positions near manual inductor 5 to trigger 5 feedback information of manual inductor and order about cubical switchboard door 2, simple structure and operation are convenient, and the cubical switchboard door 2 operation of the different crowds of being convenient for realizes automatic cubical switchboard door 2. Wherein, cabinet door 2 disposes in cabinet body 1 one side with the articulated mode of sliding, can drive about cabinet door 2 and switch between open position and closed position under the articulated pivoted drive of lifting device 3 to lift cabinet door 2 to the inner space that exposes cabinet body 1, realize nimble cubical switchboard door 2, it is more convenient to use.

In one embodiment, the cabinet door 2 includes a first cabinet door 21 and a second cabinet door 22 which are separately disposed, and the first cabinet door 21 and the second cabinet door 22 are configured to be hinged inward via a hinge 6. Wherein, first cabinet door 21 slides mutually and articulated sets up with the cabinet body 1, second cabinet door 22 links mutually with lifting device 3 for lifting device 3 can switch whole cabinet door 2 activity to the closed position and be a slabby with the fastening at cabinet body 1 side through second cabinet door 22 when first extreme state, can switch whole cabinet door 2 activity to the open position and make between first cabinet door 21 and the second cabinet door 22 outwards rotate the bending and be a form of buckling through second cabinet door 22 when lifting device 3 rotates to the second extreme state, in order to dodge the inner space of the cabinet body 1. It should be noted that the hinge 6 in the form of a hinge is disposed on the inner side surfaces (far away from the user side) of the first cabinet door 21 and the second cabinet door 22, and the lifting device 3 drives the second cabinet door 22 to rotate, so that the two cabinet doors 2 rotate at the joint position and are bent outward to arch, which is beneficial to being turned over and avoided on one side of the cabinet body 1 when in the open position. In addition, the cabinet door 2 can be tightly configured at the closed position, and the lifting device 3 is rotated to the first limit state, so that the lifting device 3 and the second cabinet door 22 are mutually kept still to realize the tight closing of the cabinet door 2, the lock catch fastening structure of the cabinet door 2 is cancelled, and the operation effect of opening and closing the cabinet door 2 is better.

Referring to fig. 2, fig. 3 and fig. 5, in an embodiment, a roller mechanism 7 is disposed at a joint of the first cabinet door 21 and the cabinet 1, and the cabinet 1 is provided with a rail mechanism 8 capable of engaging the roller mechanism 7. The first cabinet door 21 can rotate relative to the guide rail mechanism 8 along the hinged end of the roller mechanism 7, and slides along the arrangement direction of the guide rail mechanism 8 after rotating to a preset angle, so that the second cabinet door 22 and the first cabinet door 21 are driven by the lifting device 3 to overturn and retreat to an open position. Thus, when the first cabinet door 21 is driven by the lifting device 3, the roller mechanism 7 is hinged at the guide rail mechanism 8, and at this time, the position of the hinge point (formed by the roller mechanism 7 arranged on the cabinet door 2) of the first cabinet door 21 and the cabinet body 1 is always kept unchanged and is located at the end of the guide rail mechanism 8. And can slide on the guide rail mechanism 8 through the roller mechanism 7 after rotating to an angle so as to drive the first cabinet door 21 and the second cabinet door 22 to retreat and move to one side of the cabinet body 1, and correspondingly avoid the inner space of the cabinet body 1. At this time, the hinge point of the first cabinet door 21 and the cabinet 1 slides along the direction of the guide rail mechanism 8, so as to realize the hinge configuration and the slidable configuration of the cabinet 1 at the joint with the cabinet door 2.

In a preferred embodiment, specifically, the first cabinet door 21 and the second cabinet door 22 are disposed substantially vertically and flush when in the closed position, the rail mechanism 8 is disposed at the top end of the cabinet body 1 in a horizontal manner and forms a moving space for accommodating the roller mechanism 7, and the roller mechanism 7 is disposed at two sides of the top of the first cabinet door 21 and can be movably embedded in the sliding slot of the rail mechanism 8 to allow the top of the first cabinet door 21 to hinge and rotate and slide in the moving space. Thereby, along vertical ascending mode of lifting up drive first cabinet door 21 and second cabinet door 22 in cabinet body 1 one side upset activity in order being in the open position of dodging cabinet body 1 inner space, the operation is simple and easy, adopts to lift the upset and opens the door, can not cause the damage to user or environment, and opens and shuts more conveniently.

Referring to fig. 4 to 8, in particular, the top two sides of the first cabinet door 21 are configured as concave structures 211, so that the cross section of the first cabinet door 21 is substantially convex, and the roller mechanisms 7 are symmetrically disposed at the concave structures 211. And, the lifting device 3 has a middle state (as shown in fig. 7), and the first cabinet door 21 is hinged to the cabinet 1 along the hinge end of the roller mechanism 7 by the lifting device 3 moving to the middle state in the first limit state (as shown in fig. 6) until the first cabinet door 21 is approximately flush with the rail mechanism 8. And the door moves to a second limit state (as shown in fig. 8) in the intermediate value state, so that the first cabinet door 21 continues to rotate until the roller mechanism 7 can retreat and slide relative to the sliding chute. Thus, when the cabinet door 2 moves from the closed position to the open position, the lifting mechanism is switched from its first limit state to the intermediate state to its second limit state. Through indent structure 211 in order to do benefit to cabinet door 2 and lean on in cabinet body 1 department to the formation is favorable to the slip form with the slider butt in guide rail mechanism 8's activity space, and obtains first cabinet door 21 according to the dimensional parameter correspondence of indent structure 211 and need rotate to can be in the predetermined angle that slides and move back the position at guide rail mechanism 8 department.

It should be noted that the concave structure 211 of the first cabinet door 21 can always abut against the guide rail mechanism 8 in the process that the first cabinet door 21 slides along the sliding slot, so as to limit the rotation threshold of the first cabinet door 21. Wherein, the width of the ear of the concave structure 211 is smaller than the width of the moving space formed by the guide rail mechanism 8 (the distance between two guide rail mechanisms 8), the length of the ear can meet the requirement that the roller mechanism 7 does not interfere when rotating along the guide rail mechanism 8, and the first cabinet door 21 can rotate to a preset angle to enable the protruding part of the ear to abut against the guide rail mechanism 8 and slide together along with the movement of the roller mechanism 7 in the chute, thereby being beneficial to the storage and placement of the second cabinet door 22 and the first cabinet door 21 at the opening position.

In one embodiment, the lifting device 3 includes a rotating mechanism 31 linked with the driving device 4 and hinged to the cabinet 1, and a rod mechanism 32 disposed on the rotating mechanism 31 and extending to be pivoted with the second door 22. The lever mechanism 32 is substantially inclined within the cabinet 1 when the cabinet door 2 is in both the open position and the closed position. The rotating mechanism 31 is preferably hinged to the driving device 4 located in the cabinet 1, so as to switch the state along the hinged position under the power driving of the driving device 4. Moreover, the rod mechanism 32 is hinged to the inner end surface of the second cabinet door 22 through the support leg structure at the end portion thereof, so as to ensure that the cabinet body 1 is more flexible and effective when being turned over to switch positions.

In one embodiment, the rod mechanism 32 is disposed on the rotating mechanism 31 in a plugging manner, and the rotating mechanism 31 is provided with a mounting portion 311 capable of receiving the rod mechanism 32 and driving it to lift along the rotating path. The mounting portion 311 is a concave member with an opening facing the rotation direction of the lifting device 3, and the rod mechanism 32 can be inserted and fastened in the concave member and stably lift the cabinet door 2 under the support of the bottom of the concave member.

In one embodiment, the lever mechanism 32 is preferably a telescopic sleeve lever structure, and is elastically supported between the second cabinet door 22 and the rotating mechanism 31. Wherein, when cabinet door 2 moved to the open position, cabinet door 2 was greater than the elastic force between the flexible loop bar at the gravity of body of rod mechanism 32 department to press body of rod mechanism 32 to make the crooked degree between two cabinet doors 2 diminish, the opening of dodging of the inner space of the corresponding increase second cabinet door 22 to the cabinet body 1. Therefore, the second cabinet door 22 and the lifting device 3 are always in elastic tight fit, so that the cabinet door 2 always has an elastic trend towards the rod body mechanism 32 when moving at the closing position and the opening position, and the opening and closing processes are more tight and stable. And, when cabinet door 2 was in the open position, the body of rod mechanism 32 that can the elasticity compression can contract the removal in under the effect of cabinet door 2 gravity, so that body of rod mechanism 32 and second cabinet door 22's hinged end wholly move down, the triangular supports that two cabinet doors 2 formed expand outward, the angle of buckling grow that forms, reduce corresponding to the bending degree, thereby make the bottom of the second cabinet door 22 that is located cabinet body 1 upside swing up in order to further dodge the space of the internal portion of cabinet, the sheltering from to cabinet body 1 front side has significantly reduced. In particular, the bottom of the telescopic bar structure is configured as a hook portion formed substantially in the shape of a human foot so as to be hingedly disposed on a hinge seat 221 formed convexly at an inner end surface of the second cabinet 1. Preferably, two sets of lifting devices 3 and two sets of driving devices 4 are symmetrically configured in the cabinet body 1, so that the two telescopic loop bar structures are respectively and stably supported on two sides of the inner end face of the cabinet body 1, and the two driving devices 4 are synchronously started and stopped.

It should be noted that the driving device 4 includes a driving mechanism 41 connected to the power supply device 9, and a control circuit board (not shown) for controlling the start and stop of the driving mechanism 41. The driving mechanism 41 is connected with the rotating mechanism 31, and the manual sensor 5 is electrically connected with the control circuit board. The driving mechanism 41 is preferably a power device such as an electric motor or a motor, and the electric motor/motor transmits power to the rotating mechanism 31 through a gear transmission or a chain transmission, so as to drive the rotating mechanism 31 to rotate or stop rotating under power driving. In addition, the manual sensor 5 is preferably an infrared sensor or other human body sensing devices, and can acquire the hand waving information of the user to transmit to the control circuit board, and correspondingly trigger the driving mechanism 41 to rotate in the forward direction, so as to drive the cabinet door 2 to move to the open position and then stop the rotation of the driving mechanism 41. When the cabinet door 2 needs to be closed, the user waves his hand again to trigger the manual sensor 5 to receive a signal and transmit the signal to the driving mechanism 41, so that the driving mechanism 41 is started to rotate in the reverse direction and return to the initial position.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.

Claims (10)

1. A cabinet capable of automatically opening and closing a cabinet door is characterized by comprising:

a cabinet body;

the cabinet door is arranged on one side of the cabinet body in a sliding hinged mode, can be turned and moved between an opening position and a closing position to switch states, and correspondingly exposes the inner space of the cabinet body;

the lifting device is hinged in the cabinet body and can drive the cabinet door to move between an opening position and a closing position;

the driving device is in transmission connection with the lifting device to provide power to drive the lifting device to hinge and rotate along a preset path;

the sensing device comprises a manual sensor which is arranged on the cabinet door and close to the user side, and the manual sensor can be controlled by the user to trigger the driving device to start and stop.

2. The cabinet according to claim 1, wherein said doors comprise first and second doors configured as separate bodies, said first and second doors being configured to be hinged inwardly therebetween via a hinge; wherein the content of the first and second substances,

first cabinet door and the cabinet body slide mutually and articulated set up, the second cabinet door with it links mutually to lift the device, makes it can switch whole cabinet door activity to the closed position and be a platelike with the fastening at the cabinet body side through the second cabinet door when first extreme state to lift the device, can switch whole cabinet door activity to the open position and make between first cabinet door and the second cabinet door outwards rotate the bending and be a form of buckling through the second cabinet door when lifting the device and rotating to second extreme state to dodge the inner space of the cabinet body.

3. The cabinet according to claim 2, wherein a roller mechanism is disposed at the junction of the first cabinet door and the cabinet body, and the cabinet body is provided with a rail mechanism capable of being embedded with the roller mechanism; the first cabinet door can rotate relative to the guide rail mechanism along the hinged end of the roller mechanism and slides along the arrangement direction of the guide rail mechanism after rotating to a preset angle, so that the second cabinet door and the first cabinet door are driven by the lifting device to overturn and retreat to an open position.

4. The cabinet according to claim 3, wherein said first cabinet door and said second cabinet door are substantially vertically aligned when in the closed position, said rail mechanism is transversely disposed at the top end of the cabinet body and forms a movable space for accommodating the roller mechanism, and said roller mechanism is disposed at two sides of the top of the first cabinet door and can be movably embedded in the sliding groove of the rail mechanism to allow the top of the first cabinet door to be hinged and rotated and retracted and slid in the movable space.

5. The cabinet according to claim 4, wherein both sides of the top of the first cabinet door are configured as an indent structure, so that the first cabinet door has a substantially convex cross section, and the roller mechanisms are symmetrically arranged at the indent structure; the lifting device is in a middle value state, and moves to the middle value state from the first limit state, so that the first cabinet door is hinged and rotated relative to the cabinet body along the hinged end of the roller mechanism until the first cabinet door is approximately flush with the guide rail mechanism; and the cabinet door moves to a second limit state in the intermediate value state, so that the first cabinet door continues to rotate until the roller mechanism can retreat and slide relative to the sliding groove.

6. The cabinet of claim 5, wherein the concave structure of the first cabinet door can always abut against the rail mechanism during the sliding process of the first cabinet door along the sliding groove, so as to limit the rotation threshold of the first cabinet door.

7. The cabinet of claim 2, wherein the lifting device comprises a rotating mechanism linked with the driving device and hinged to the cabinet body, and a rod mechanism arranged on the rotating mechanism and extending to be pivoted with the second cabinet door; the rod mechanism is approximately inclined in the cabinet body when the cabinet door is in the opening position and the closing position.

8. The cabinet of claim 7, wherein said bar mechanism is mounted on a rotating mechanism in a plug-in manner, said rotating mechanism being provided with a mounting portion capable of receiving the bar mechanism and driving it to be lifted along a rotating path.

9. The cabinet of claim 8, wherein said lever mechanism is a telescoping lever arrangement and is resiliently supported between said second cabinet door and said rotating mechanism; wherein the content of the first and second substances,

when the cabinet door moves to the opening position, the gravity of the cabinet door at the rod body mechanism is greater than the elastic force between the telescopic sleeve rods, so that the bending degree between the two cabinet doors is reduced by pressing the rod body mechanism, and the opening degree of the second cabinet door to the inner space of the cabinet body is correspondingly increased.

10. The cabinet according to claim 7, wherein said driving device comprises a driving mechanism connected to a power supply device and a control circuit board for controlling the on-off of the driving mechanism; the driving mechanism is connected with the rotating mechanism, and the manual sensor is electrically connected with the control circuit board.

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