CN113700404A - Refrigerator capable of automatically opening and closing door and door closing method thereof - Google Patents
Refrigerator capable of automatically opening and closing door and door closing method thereof Download PDFInfo
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- CN113700404A CN113700404A CN202010443584.5A CN202010443584A CN113700404A CN 113700404 A CN113700404 A CN 113700404A CN 202010443584 A CN202010443584 A CN 202010443584A CN 113700404 A CN113700404 A CN 113700404A
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- door
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- closing
- stop structure
- arc surface
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 description 11
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1014—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in only one position, e.g. closed
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
- E05F1/04—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight
- E05F1/06—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
- E05F1/1223—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a compression or traction spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
- F25D2323/024—Door hinges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to the technical field of stop of refrigerator doors, and discloses a refrigerator capable of automatically opening and closing a door and a door closing method thereof. Wherein the refrigerator of automatic switch door includes refrigerator main part, refrigerator door and automatic switch door gear, still includes: the hinge plate is arranged on the refrigerator main body and is provided with a limiting clamping tongue with an arc surface and a limiting slope, and the arc surface extends from one end of the limiting slope to the rotating direction when the refrigerator door is opened; the door closing stop structure is provided with one end rotatably connected with the hinge plate and the other end abutted against the arc surface or the limiting slope; when the door closing stop structure abuts against the limiting slope, the limiting slope generates a rotating force along the rotating direction of the door closing stop structure. According to the refrigerator with the automatic door opening and closing function, the arc surface and the limiting slope are additionally arranged on the limiting clamping tongue, so that the refrigerator door can be automatically closed, the closed refrigerator door can be kept in a reliable closing state, and the refrigerator door can be prevented from being opened abnormally.
Description
Technical Field
The invention relates to the technical field of stop of refrigerator doors, in particular to a refrigerator capable of automatically opening and closing a door and a door closing method thereof.
Background
In the prior art, in order to realize the reliable closing of the refrigerator door of the refrigerator with the door opened and closed manually, the door closing stop structure matched with the hinge plate is arranged on the refrigerator door, the door closing stop structure can realize the self-locking of the refrigerator door and the hinge plate when the door is closed, so that the refrigerator door is in a completely closed state, if the existing door closing stop structure is directly applied to the refrigerator with the door opened and closed automatically, the existing automatic door opening and closing device needs to simultaneously consider the hand feeling when the refrigerator door is directly operated manually, the follow-up operation experience of the refrigerator door, the safety to people when the refrigerator door automatically acts, the structure of the refrigerator, the production cost and other factors, so that the driving force of a power part of the automatic door opening and closing device on the refrigerator door is smaller than the resistance of the door closing stop structure on the hinge plate when the refrigerator door is closed, and the refrigerator door rotates from a completely opened state to a completely closed state, the automatic door opening and closing device can not smoothly move to the position when the door closing stop structure and the hinge plate are self-locked. The existing refrigerator capable of automatically opening and closing the door is not provided with a device for preventing the door of the refrigerator from being abnormally opened, so that the problem that the door of the refrigerator is unreliable to close in the conditions of production process, transportation, power failure and the like can be caused.
Disclosure of Invention
Based on the above, the invention aims to provide a refrigerator capable of automatically opening and closing a door, which not only realizes the automatic closing of the refrigerator door, but also enables the closed refrigerator door to keep a reliable closing state and prevents the refrigerator door from being abnormally opened by additionally arranging the arc surface and the limiting slope on the limiting clamping tongue.
Another object of the present invention is to provide a method for closing a door of a refrigerator, which can automatically close the door of the refrigerator and reliably close the door of the refrigerator.
In order to achieve the purpose, the invention adopts the following technical scheme:
a refrigerator capable of automatically opening and closing a door comprises a refrigerator main body, a refrigerator door and an automatic door opening and closing device, wherein the automatic door opening and closing device is arranged on the refrigerator main body and can enable the refrigerator door to be automatically opened and closed; the refrigerator for automatically opening and closing the door further comprises: the hinge plate is arranged on the refrigerator main body and provided with a limiting clamping tongue, an arc surface and a limiting slope are arranged on the limiting clamping tongue, the arc surface extends from one end of the limiting slope to the rotating direction when the refrigerator door is opened, and a central angle corresponding to the arc surface is a first angle; the door closing stop structure is fixedly connected to the refrigerator door, one end of the door closing stop structure is rotatably connected with the hinge plate, the other end of the door closing stop structure is abutted to the arc surface or the limiting slope, when the refrigerator door is completely closed, the door closing stop structure is abutted to the limiting slope, the angle of rotation of the door closing stop structure from one end of the arc surface to the angle of rotation of the refrigerator door when the refrigerator door is completely opened is a second angle, and the second angle is smaller than or equal to the first angle; when the door closing stop structure abuts against the limiting slope, the limiting slope generates a rotating force along the rotating direction for closing the refrigerator door to the door closing stop structure.
As an optimal scheme of a refrigerator with an automatic door opening and closing function, the arc surface is an equal-diameter arc surface, the door closing stop structure and the refrigerator door are coaxially and fixedly connected and both are rotatably connected with the hinge plate, the connecting position of the door closing stop structure and the refrigerator door and the hinge plate is located at the circle center of the arc surface, and the distance from the limiting slope to the circle center of the arc surface is gradually reduced along the direction away from the arc surface.
As a preferred scheme of a refrigerator with an automatic door opening and closing function, when the refrigerator door is in a fully opened state, the door closing stop structure abuts against the arc surface, the arc surface generates a first acting force along the diameter direction of the arc surface facing the door closing stop structure, when the door closing stop structure moves to the limiting slope, the limiting slope generates a second acting force on the door closing stop structure, the second acting force can resolve the rotating force along the rotating direction for closing the refrigerator door, and the rotating force drives the door closing stop structure to drive the refrigerator door to rotate towards the rotating direction for closing the refrigerator door.
As an optimal scheme of a refrigerator capable of automatically opening and closing a door, the refrigerator doors are hinged to two opposite sides of a refrigerator main body, a turning beam is pivoted to the inner side of one of the refrigerator doors, a guide groove is formed in the refrigerator main body, and when the turning beam reaches the guide groove, a door closing stop structure is abutted to a limiting slope, and the rotating force of the limiting slope to the door closing stop structure is not smaller than the turning force of the turning beam for turning so that the turning beam turns.
As a preferred scheme of a refrigerator with an automatic door opening and closing function, the door closing stop structure comprises a door closing stop member and a rolling member, wherein the rolling member is arranged on the door closing stop member and can roll on the arc surface or the limiting slope.
As an optimal scheme of the refrigerator with the automatic door opening and closing function, the door closing stop piece comprises an elastic stop hook and a stop fixing part, the rolling piece is arranged at one end of the elastic stop hook, and the stop fixing part is rotatably connected with the hinge plate.
As an optimal scheme of the refrigerator of automatic switch door, the door of closing ends the shelves piece including closing the door fixed part and closing the door butt piece, the one end of the fixed part of closing the door with the flap rotates to be connected, the other end with the one end of closing the door butt piece rotates to be connected, the other end of closing the door butt piece is equipped with the rolling piece, it includes the elastic component to close the door and ends the shelves structure, the one end of elastic component with the fixed part of closing the door is connected, the other end with the butt piece of closing the door is connected, the elastic component is configured to be used for providing the rolling piece is right the arc surface with the pressure of spacing slope.
As an optimal scheme of the refrigerator with the automatic door opening and closing function, the refrigerator with the automatic door opening and closing function further comprises a door opening stop piece, the door opening stop piece is arranged on the door closing stop structure, and when the refrigerator door is in a completely opened state, the door opening stop piece is abutted to the hinge plate.
As a preferred scheme of the refrigerator with the automatic door opening and closing function, a convex shoulder is arranged on the door opening stop piece, a limiting block which is arranged corresponding to the convex shoulder is arranged on the hinge plate, and when the refrigerator door is in a completely opened state, the convex shoulder is in surface contact with the limiting block.
A method for closing a door of a refrigerator with an automatic door opening and closing device according to any one of the above aspects, comprising the steps of:
the automatic door opening and closing device drives the refrigerator door, and the door closing stop structure moves towards the direction close to the limiting slope on the arc surface;
the door closing stop structure moves from the arc surface to the limiting slope, the limiting slope generates a second acting force on the door closing stop structure, the second acting force can decompose a rotating force in the rotating direction for closing the refrigerator door, and the rotating force drives the door closing stop structure to drive the refrigerator door to continuously rotate towards the closing direction of the refrigerator door;
the door closing stop structure moves along the limiting slope until the refrigerator door is in a completely closed state.
The invention has the beneficial effects that: the refrigerator with the automatic door opening and closing structure disclosed by the invention is simple in structure, the door closing stop structure is driven by the automatic door opening and closing device to drive the refrigerator door to be smoothly closed along the arc surface and the limit slope through the arc surface and the limit slope which are additionally arranged on the limit clamping tongue, the door closing stop structure is abutted against the limit slope when the refrigerator door is in a completely closed state, the limit slope generates a rotating force along the closing direction of the refrigerator door to the door closing stop structure, and when the refrigerator door is opened, the rotating force is resistance for opening the refrigerator door, namely, enough external force is required for opening the refrigerator door, and the probability that the refrigerator door is opened under the external force in an abnormal state is reduced.
The closing method of the refrigerator with the automatic door opening and closing function, disclosed by the invention, not only can realize the automatic closing of the refrigerator door, but also can reduce the probability of abnormal opening of the refrigerator door and increase the use satisfaction of a user.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic view of a refrigerator door with an automatic opening and closing door according to an embodiment of the present invention, in a fully opened state;
fig. 2 is a schematic view of a portion of a refrigerator with an automatic door opening and closing device according to a first embodiment of the present invention in a first state during closing of the refrigerator;
fig. 3 is a schematic view of a portion of the structure of a second state of the refrigerator with an automatic door opening and closing mechanism according to an embodiment of the present invention during the closing process;
fig. 4 is a schematic view illustrating a door of a refrigerator with an automatically opening and closing door according to an embodiment of the present invention in a fully closed state;
FIG. 5 is a schematic view of a refrigerator with partially opened and closed doors according to an embodiment of the present invention;
FIG. 6 is a schematic view of a hinge plate, a door closing stop structure, a door opening stop member, a torsion spring, and the like according to a second embodiment of the present invention;
fig. 7 is an exploded view of fig. 6.
In the figure:
11. a refrigerator main body; 110. a guide groove; 12. a refrigerator door; 13. turning over the beam;
2. a hinge plate; 21. a limiting clamping tongue; 2101. a circular arc surface; 2102. a limiting slope; 22. a connecting plate; 23. a limiting block;
3. a door closing stop structure; 31. a door closing stop member; 311. an elastic stop hook; 312. a stopper fixing portion; 313. a door closing fixing part; 314. a door closing abutment member; 32. a rolling member;
4. a door opening stop member; 41. convex shoulder
51. A rotating shaft; 52. a shaft sleeve;
6. a torsion spring.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The present embodiment provides a refrigerator capable of automatically opening and closing a door, as shown in fig. 1 to 5, which includes a refrigerator main body 11, a refrigerator door 12, and an automatic door opening and closing device (not shown in the drawings), where the automatic door opening and closing device is disposed on the refrigerator main body 11 and is capable of automatically opening and closing the refrigerator door 12, the automatic door opening and closing device includes a rotating structure capable of rotating the refrigerator door 12 and an ejection mechanism capable of ejecting the refrigerator door 12, the rotating mechanism may adopt a structural form of a rotation driving mechanism in CN108362071A, or adopt a structural form in an automatic door opening and closing module in CN209726616U, or may adopt a structural form of other rotating mechanisms in the prior art capable of driving the refrigerator door 12 to rotate relative to the refrigerator main body 11, the ejection mechanism may adopt a structural form of an ejection mechanism in CN109629948A or CN108362071A, or adopt other structural forms in the prior art capable of ejecting a door body, the rotary mechanism and the ejection mechanism are not the key points of the invention, and the invention does not limit and describe the structures of the rotary mechanism and the ejection mechanism.
As shown in fig. 1 to 4, the refrigerator for automatically opening and closing the door of the present embodiment further includes a hinge plate 2 and a door closing stop structure 3, the hinge plate 2 is disposed on the refrigerator main body 11 and is provided with a limit latch tongue 21, the limit latch tongue 21 is provided with an arc surface 2101 and a limit slope 2102, the arc surface 2101 extends from one end of the limit slope 2102 to the rotation direction when opening the refrigerator door 12, the central angle corresponding to the arc surface 2101 is a first angle, the door closing stop structure 3 is fixedly connected to the refrigerator door 12, one end of the door closing stop structure 3 is rotatably connected to the hinge plate 2, the other end abuts against the arc surface 2101 or the limit slope 2102, when the refrigerator door 12 is completely closed, the door closing stop structure 3 abuts against the limit slope 2102, the door closing stop structure 3 rotates from one end of the arc surface 2101 to a second angle when the refrigerator door 12 is completely opened, and the second angle is smaller than or equal to the first angle. The limit slope 2102 generates a rotational force in a rotational direction of closing the refrigerator door 12 to the door closing stop structure 3.
Specifically, in the process of closing the refrigerator door 12, the rotational force can make the door closing stopper structure 3 drive the refrigerator door 12 to rotate towards the direction of closing the refrigerator door 12, so that the closing of the refrigerator door 12 is smoother, and when the refrigerator door 12 is in the closed state, the rotational force is opposite to the direction of opening the refrigerator door 12, so that the opening of the refrigerator door 12 requires a large enough external force, and the probability that the refrigerator door 12 is opened by the external force under the abnormal state is reduced.
Further, when closing door stop structure 3 location on spacing slope 2102, there is magnetic force between refrigerator door 12 and the refrigerator main part 11 this moment, if use external force to force refrigerator door 12 to open this moment, should overcome at least magnetic force between refrigerator door 12 and the refrigerator main part 11 and the spacing slope 2102 of flap 2 and produce the turning force along the rotation direction of closing refrigerator door 12 to closing door stop structure 3, can know from this, if external force is less, then refrigerator door 12 can not be opened by the improper, general rocking can not make refrigerator door 12 open promptly, make this automatic switch door's refrigerator can avoid the improper of refrigerator door 12 to open, guarantee the reliable closing of refrigerator door 12, increase user's use and experience the sense.
The refrigerator of the automatic switch door that this embodiment provided, moreover, the steam generator is simple in structure, through arc 2101 and the spacing slope 2102 of addding on spacing latch 21, make the automatic switch door device drive close the door and stop structure 3 and drive refrigerator door 12 along arc 2101 and spacing slope 2102 and be closed smoothly, because the refrigerator door 12 is in when the complete closure state close door stop structure 3 butt in spacing slope 2102, and spacing slope 2102 produces the turning force along refrigerator door 12 closing direction to closing the door and stop structure 3, when opening refrigerator door 12, this turning force is the resistance of opening refrigerator door 12, that is to say, the opening of refrigerator door 12 needs sufficient external force, the probability that refrigerator door 12 was opened under the abnormal condition by external force has been reduced.
Specifically, the refrigerator door 12 is fixedly connected to the door closing stop structure 3, and the door closing stop structure 3 enables the refrigerator door 12 to rotate synchronously therewith to close or open the refrigerator door 12. The arc surface 2101 of this embodiment is an equal-diameter arc surface, the connection position of the door closing stop structure 3 and the hinge plate 2 is located at the center of the arc surface 2101, and the distance from the limiting slope 2102 to the center of the arc surface 2101 gradually decreases along the direction away from the arc surface 2101. As shown in fig. 1, when the refrigerator door 12 is in a fully opened state, the door closing stop structure 3 abuts against the arc surface 2101, and the arc surface 2101A first acting force F along the diameter direction of the arc surface 2101 is generated to the door closing stop structure 31First acting force F1As shown in fig. 1. As shown in fig. 3, when the door stop structure 3 moves to the limiting slope 2102, the limiting slope 2102 generates a second acting force F to the door stop structure 32Second acting force F2Capable of resolving a rotational force F in a rotational direction for closing the refrigerator door 12τAnd a radial component force F directed toward the center of the circular arc surface 2102rThe rotational force can drive the door-closing stopping structure 3 to drive the refrigerator door 12 to rotate toward the rotational direction for closing the refrigerator door 12. As the door closing stop structure 3 rotates along the limit slope 2102 in the rotating direction for closing the refrigerator door 12, the rotating force gradually decreases.
As shown in fig. 5, the refrigerator main body 11 of the present embodiment is hinged with refrigerator doors 12 on opposite sides, wherein the inner side of one of the refrigerator doors 12 is pivoted with a turning beam 13, and the refrigerator door 12 is connected with the door closing stop structure 3, the refrigerator main body 11 is provided with a guide groove 110, when the turning beam 13 reaches the guide groove 110, the door closing stop structure 3 abuts against the limit slope 2102, and the turning force of the limit slope 2102 to the door closing stop structure 3 is not less than the turning force of the turning beam 13 to turn the turning beam 13. Specifically, along with the closing of refrigerator door 12, when upset roof beam 13 and guide way 110 butt, the door closing stops structure 3 and reaches the junction of arc 2101 and spacing slope 2102 or be located spacing slope 2102, so that spacing slope 2102 to the door closing stops structure 3 and produces the turning force along the rotation direction of closing refrigerator door 12, and the required power of upset roof beam 13 upset is the same with the direction of turning force, in case the turning force is not less than the required power of upset roof beam 13 upset, can overturn when upset roof beam 13 and guide way 110 butt, the drive structure of the upset of drive upset roof beam 13 has been saved, the processing cost of the refrigerator of automatic switch door has been reduced, the production technology has been simplified, do benefit to the miniaturized setting of automatic switch door gear on the refrigerator simultaneously.
It should be noted here that if the turning beam 13 abuts against the guide groove 110, the door closing stop structure 3 still abuts against the arc surface 2101, the turning beam 13 cannot turn, and the door closing stop structure 3 cannot continue to rotate in the direction of closing the refrigerator door 12, so that the refrigerator for automatically opening and closing the door fails. Therefore, the door closing stop 3 should reach the limit ramp 2102 before the tilting beam 13 reaches the guide groove 110.
In this embodiment, the refrigerator main body 11 includes a refrigerating chamber and a freezing chamber separated from each other by a partition plate, and correspondingly, the refrigerator doors 12 include two upper refrigerator doors 12 arranged at openings of the refrigerating chamber in a split manner and two lower refrigerator doors 12 arranged at openings of the freezing chamber in a split manner, the turning beam 13 is arranged at one of the upper refrigerator doors 12, and the automatic door opening and closing device is arranged at the top of the refrigerator main body 11 to realize the automatic door opening and closing action of the upper refrigerator doors 12. In other embodiments, the freezer compartment may be provided in a drawer type, in which case the refrigerator door 12 includes only the upper refrigerator door 12 provided at the opening of the refrigerator compartment. In other embodiments, the automatic opening and closing door device may be provided in a set at the top or bottom of the refrigerator main body to drive the rotation of the upper and lower refrigerator doors 12 and 12, respectively. The structures of the refrigerator main body, the refrigerator door 12, the turning beam 13 and the like are conventional structures of the refrigerator, and can be arranged by referring to the structures in the prior art, which is not the key point of the invention, and the invention does not limit and describe the specific structures of the refrigerator.
As shown in fig. 2, the door closing stop structure 3 of the present embodiment includes a door closing stop member 31 and a rolling member 32, the rolling member 32 is a roller, the rolling member 32 is disposed on the door closing stop member 31 and can roll on an arc surface 2101 or a limiting slope 2102, and the added rolling member 32 can reduce the friction resistance between the door closing stop structure 3 and the limiting latch 21, thereby reducing the wear of the door closing stop structure 3 and the limiting latch 21.
Because the rolling member 32 of this embodiment rolls along the arc surface 2101 and the limit slope 2102, the friction between the door closing stop structure 3 and the limit latch 21 is small, and the radius of the circle corresponding to the arc surface 2101 is the same as the maximum distance from the limit slope 2102 to the joint between the door closing stop structure 3 and the hinge plate 2, so that it can be ensured that the door closing stop structure 3 can keep the radial pressure on the arc surface 2101 unchanged in the process of closing the refrigerator door 12, that is, the numerical value of the first acting force of the arc surface 2101 on the door closing stop member 31 is consistent and kept in the maximum state, that is, the refrigerator door 12 is rotatedIn the process, only the rolling friction resistance between the rolling member 32 and the arc surface 2101 exists in the rotating direction, and after the rolling member 32 reaches the limit slope 2102, as shown in fig. 3, the second acting force F of the limit slope 2102 to the rolling member 322Capable of resolving a rotational force F in a rotational direction for closing the refrigerator door 12τAnd a radial component force F pointing to the center of the arc surface 2101rWherein the rotational force can rotate the refrigerator door 12 toward a closing direction, thereby completely closing the refrigerator door 12.
Of course, in other embodiments of the present invention, the door closing stop structure 3 may also include only the door closing stop member 31 and not the rolling member 32, and at this time, although the frictional resistance between the door closing stop member 31 and the limiting latch 21 is relatively large, the added arc surface 2101 and the limiting slope 2102 on the limiting latch 21 can still ensure the smooth closing of the refrigerator door 12.
Specifically, as shown in fig. 4, the door closing stop member 31 of the present embodiment includes an elastic stop hook 311 and a stop fixing portion 312, the elastic stop hook 311 and the stop fixing portion 312 are integrally formed as the door closing stop member 31, one end of the elastic stop hook 311 is provided with a rolling member 32, the other end is provided on the stop fixing portion 312, when the rolling member 32 abuts on the arc surface 2101, the elastic stop hook 311 deforms to generate a pressure on the hinge plate 2 along the diameter direction of the arc surface 2101, and the stop fixing portion 312 is rotatably connected to the hinge plate 2. One end of the elastic stop hook 311 connected with the rolling element 32 is obliquely arranged towards the direction departing from the stop fixing part 312, on one hand, the structure is convenient for the rolling element 32 to roll at the limiting clamping tongue 21 all the time, so that the rolling element 32 rolls along the limiting slope 2102 and the arc surface 2101 of the limiting clamping tongue 21; on the other hand, the roller 32 is prevented from coming off the arc surface 2101 when the refrigerator door 12 is in the fully opened state. Of course, in other embodiments of the present invention, the elastic stop hook 311 may be U-shaped or have other shapes, which are specifically set according to actual requirements.
Specifically, when the refrigerator door 12 is gradually opened and the door closing stop structure 3 moves along the limit slope 2102, the deformation amount of the door closing stop structure 3 gradually increases, and at this time, the pressure of the door closing stop structure 3 on the limit slope 2102 is gradually increased, and accordingly, the limit slope 2102 is limitedThe second acting force of the slope 2102 to the door closing stop structure 3 is gradually increased, the rotating force of the second acting force in the rotating direction of the door 12 for closing the door is also gradually increased, the driving force of the automatic door opening and closing device for driving the door closing stop structure 3 needs to be gradually increased, at this time, the door closing stop structure 3 is equivalent to an ascending slope, as shown in fig. 3, when the door closing stop structure 3 reaches the joint of the limiting slope 2102 and the arc surface 2101, the deformation amount of the door closing stop structure 3 reaches the maximum, the rotating force also reaches the maximum, and thereafter, the deformation amount of the door closing stop structure 3 is unchanged, that is, the door closing stop structure 3 does not change the pressure of the limiting latch 21 on the arc surface 2101 along the radial direction, at this time, because the first acting force F of the arc surface 2101 to the door closing stop structure 3 does not change the radial pressure of the arc surface 21011Along the diameter direction of the arc surface 2101, so that the first acting force F1The turning force in the direction of rotation to close the refrigerator door 12 is zero, i.e. there is no turning force when the door closing stop structure 3 abuts on the arc surface 2101; as shown in fig. 1 and fig. 2, when the refrigerator door 12 is gradually closed, the radial pressure of the door closing stop structure 3 on the arc surface 2101 to the limit latch 21 is not changed, the deformation amount of the door closing stop structure 3 is the largest, when the door closing stop structure 3 reaches the joint of the limit slope 2102 and the arc surface 2101 and continues to rotate, the deformation amount of the door closing stop structure 3 is gradually reduced, the rotating force is gradually reduced, namely, the door closing stop structure 3 is equivalent to a downhill, the door closing stop structure 3 generates the rotating moment of the door closing direction of the refrigerator door 12 on the limit latch 21, namely, the pushing force of the door closing direction of the refrigerator door 12, thereby facilitating the closing of the refrigerator door 12.
As shown in fig. 4, the hinge plate 2 of the present embodiment further includes a connecting plate 22, and the connecting plate 22 and the limiting latch 21 are integrally formed into the hinge plate 2. The connecting plate 22 is fixedly connected to the refrigerator main body 11, when the refrigerator door 12 is in a fully closed state, the elastic stop hook 311 of the door closing stop structure 3 abuts against the limit slope 2102, and a gap is left between the elastic stop hook 311 and the connecting plate 22 at this time to ensure that the refrigerator door 12 is fully closed.
As shown in fig. 1 to 4, the refrigerator with the automatic door opening and closing device of the present embodiment further includes a door opening stopper 4, the door opening stopper 4 is disposed on the door closing stopper 31, and when the refrigerator door 12 is in a fully opened state, the door opening stopper 4 abuts against the hinge plate 2. Specifically, the door opening stop member 4 is provided with a convex shoulder 41, the door closing stop structure 31 is provided with a limit block 23 corresponding to the convex shoulder 41, the limit block 23 is formed on the hinge plate 2, and when the refrigerator door 12 is in a completely opened state, the convex shoulder 41 is in surface contact with the limit block 23.
As shown in fig. 4, the refrigerator for automatically opening and closing the door of the present embodiment further includes a rotating shaft 51, a first connecting hole is disposed on the stop fixing portion 312 of the door closing stop member 31, as shown in fig. 4, a shaft sleeve 52 is disposed at the first connecting hole, a second connecting hole is disposed on the limit latch 21, the rotating shaft 51 penetrates through the first connecting hole and the second connecting hole, the shaft sleeve 52 is sleeved on the rotating shaft 51, and the refrigerator door 12 and the door closing stop member 31 can rotate relative to the limit latch 21 by using the rotating shaft 51 as a rotating shaft.
The refrigerator of the automatic switch door of this embodiment simple structure not only can realize the refrigerator door 12 reliably close and avoid the improper of refrigerator door 12 to open, can also realize the automatic closing of refrigerator door 12 and the automatic upset of upset roof beam 13, has saved the drive structure that the drive upset roof beam 13 overturned, has reduced the processing cost of the refrigerator of automatic switch door, has simplified production technology, does benefit to the miniaturized setting of this automatic switch door gear on the refrigerator.
The present embodiment also provides a door closing method of the automatic door opening and closing refrigerator according to the present embodiment, including the following steps:
the automatic door opening and closing device drives the refrigerator door 12, as shown in fig. 2, the rolling member 32 of the door closing stop structure 3 moves on the arc surface 2101 toward the direction approaching the limit slope 2102;
as shown in fig. 3, the door closing stop structure 3 moves from the arc surface 2101 to the limiting slope 2102, the door closing stop structure 3 generates a pressure, so that the limiting slope 2102 generates a second acting force on the door closing stop structure 3, the second acting force can resolve a rotating force along a rotating direction for closing the refrigerator door 12, and the rotating force drives the door closing stop structure 3 to drive the refrigerator door 12 to continue rotating towards the direction for closing the refrigerator door 12;
as shown in fig. 4, the door closing stop structure 3 moves rapidly along the limit slope 2102 until the refrigerator door 12 is in a fully closed state.
The closing method of the refrigerator capable of automatically opening and closing the door provided by the embodiment can realize the automatic closing of the refrigerator door 12, also reduce the probability of abnormal opening of the refrigerator door 12 and increase the use satisfaction of a user.
Example two
The difference between the automatic door opening and closing refrigerator of the present embodiment and the first embodiment is that, as shown in fig. 6 and fig. 7, the door closing stop 31 of the present embodiment includes a door closing fixing portion 313 and a door closing abutting member 314, one end of the door closing fixing portion 313 is rotatably connected to the hinge plate 2, the other end of the door closing abutting member 314 is rotatably connected to one end of the door closing abutting member 314, the other end of the door closing abutting member 314 is provided with a rolling member 32, the door closing stop structure 3 includes an elastic member, one end of the elastic member is connected to the door closing fixing portion 313, the other end of the elastic member is connected to the door closing abutting member 314, and the elastic member is configured to provide pressure of the rolling member 32 to the arc surface 2101 and the limiting slope 2102. The door closing stop 31 of this embodiment is a rigid structure, that is, when the rolling member 32 moves on the arc surface 2101 and the limiting slope 2102, the door closing stop 31 may not deform, but the limiting slope 2102 rotates the rolling member 32 by the deformation of the elastic member.
Specifically, the elastic member of this embodiment is a torsion spring 6, the torsion spring 6 is located between the door closing fixing portion 313 and the door closing abutment 314, when the rolling member 32 rotates along the limiting slope 2102 toward the direction of opening the refrigerator door 12, the door closing abutment 314 rotates relative to the door closing fixing portion 313, the door closing fixing portion 313 rotates relative to the hinge plate 2, at this time, the deformation amount of the torsion spring 6 gradually increases, the second acting force of the limiting slope 2102 on the rolling member 32 gradually increases, that is, the rotating force gradually increases, when the rolling member 32 continues to rotate on the arc surface 2101 toward the rotating direction of opening the refrigerator door 12, the door closing fixing portion 313 rotates relative to the hinge plate 2, the door closing abutment 314 and the door closing fixing portion 313 are relatively fixed, the deformation amount of the torsion spring 6 is kept at the maximum state, and the arc surface 2101 generates the first acting force on the rolling member 32 along the arc surface 2101 in the radial direction.
In other embodiments, in particular, when the elastic element is a spring (not shown), one end of the spring is connected to the door-closing fixing portion 313, the other end is connected to the door-closing abutment 314, when the roller 32 rotates along the limit slope 2102 in a direction to open the refrigerator door 12, the door closing abutment 314 rotates with respect to the door closing fixing portion 313, the door closing fixing portion 313 rotates with respect to the hinge plate 2, at which time the spring is stretched, and the deformation amount of the spring is gradually increased, the second acting force of the limit slope 2102 on the rolling member 32 is gradually increased, i.e., the rotational force is gradually increased, as the rolling member 32 continues to rotate on the arc surface 2101 toward the rotational direction for opening the refrigerator door 12, the door closing fixing portion 313 rotates with respect to the hinge plate 2, the door closing abutment 314 is fixed with respect to the door closing fixing portion 313, the amount of deformation of the spring is maintained at the maximum, and the arc surface 2101 generates a first acting force on the roller 32 in the radial direction along the arc surface 2101.
Of course, in other embodiments, the elastic member is not limited to the form of the torsion spring 6 and the spring, and may have other structures, specifically according to actual needs.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A refrigerator capable of automatically opening and closing a door comprises a refrigerator main body (11), a refrigerator door (12) and an automatic door opening and closing device, wherein the automatic door opening and closing device is arranged on the refrigerator main body (11) and can enable the refrigerator door (12) to be automatically opened and closed; it is characterized in that the refrigerator capable of automatically opening and closing the door further comprises:
the refrigerator door opening device comprises a hinge plate (2), wherein the hinge plate (2) is arranged on a refrigerator main body (11) and is provided with a limiting clamping tongue (21), an arc surface (2101) and a limiting slope (2102) are arranged on the limiting clamping tongue (21), the arc surface (2101) extends from one end of the limiting slope (2102) to the rotating direction when the refrigerator door (12) is opened, and a central angle corresponding to the arc surface (2101) is a first angle;
the door closing stop structure (3) is fixedly connected to the refrigerator door (12), one end of the door closing stop structure (3) is rotatably connected with the hinge plate (2), the other end of the door closing stop structure abuts against the arc surface (2101) or the limiting slope (2102), when the refrigerator door (12) is completely closed, the door closing stop structure (3) abuts against the limiting slope (2102), the door closing stop structure (3) rotates from one end of the arc surface (2101) to the rotating angle of the refrigerator door (12) when the refrigerator door (12) is completely opened, and the rotating angle is a second angle which is smaller than or equal to the first angle;
when the door closing stop structure (3) abuts against the limit slope (2102), the limit slope (2102) generates a rotating force along a rotating direction for closing the refrigerator door (12) to the door closing stop structure (3).
2. The refrigerator for automatically opening and closing the door as claimed in claim 1, wherein the arc surface (2101) is an arc surface with a constant diameter, the door closing stop structure (3) and the refrigerator door (12) are coaxially and fixedly connected and both rotatably connected with the hinge plate (2), the connecting positions of the door closing stop structure (3) and the refrigerator door (12) and the hinge plate (2) are located at the center of the arc surface (2101), and the distance from the limit slope (2102) to the center of the arc surface (2101) is gradually reduced along the direction away from the arc surface (2101).
3. The refrigerator with the automatic door opening and closing function according to claim 2, wherein when the refrigerator door (12) is in a fully opened state, the door closing stop structure (3) abuts against the arc surface (2101), the arc surface (2101) generates a first acting force on the door closing stop structure (3) along a diameter direction of the arc surface (2101), when the door closing stop structure (3) moves onto the limit slope (2102), the limit slope (2102) generates a second acting force on the door closing stop structure (3), the second acting force can resolve the rotating force along a rotating direction for closing the refrigerator door (12), and the rotating force drives the door closing stop structure (3) to drive the refrigerator door (12) to rotate towards the rotating direction for closing the refrigerator door (12).
4. The refrigerator with the automatic door opening and closing function as claimed in claim 1, wherein the refrigerator doors (12) are hinged to two opposite sides of the refrigerator main body (11), one of the refrigerator doors (12) is pivoted with a turning beam (13), a guide groove (110) is formed in the refrigerator main body (11), when the turning beam (13) reaches the guide groove (110), the door closing stop structure (3) abuts against the limit slope (2102) and the turning force of the limit slope (2102) on the door closing stop structure (3) is not less than the turning force of the turning beam (13) to turn the turning beam (13).
5. The refrigerator with automatic door opening and closing according to claim 1, wherein the door closing stop structure (3) comprises a door closing stop member (31) and a rolling member (32), the rolling member (32) is disposed on the door closing stop member (31) and the rolling member (32) can roll on the arc surface (2101) or the limit slope (2102).
6. The refrigerator with automatic door opening and closing function as claimed in claim 5, wherein the door closing stop member (31) comprises an elastic stop hook (311) and a stop fixing portion (312), the rolling member (32) is disposed at one end of the elastic stop hook (311), and the stop fixing portion (312) is rotatably connected to the hinge plate (2).
7. The refrigerator with automatic door opening and closing according to claim 5, wherein the door closing stop member (31) comprises a door closing fixing portion (313) and a door closing abutment (314), one end of the door closing fixing portion (313) is rotatably connected with the hinge plate (2), the other end of the door closing abutment (314) is rotatably connected with one end of the door closing abutment (314), the other end of the door closing abutment (314) is provided with the rolling member (32), the door closing stop structure (3) comprises an elastic member, one end of the elastic member is connected with the door closing fixing portion (313), the other end of the elastic member is connected with the door closing abutment (314), and the elastic member is configured to provide pressure of the rolling member (32) to the arc surface (2101) and the limiting slope (2102).
8. The refrigerator with the automatic door opening and closing function as claimed in claim 1, further comprising a door opening stop member (4), wherein the door opening stop member (4) is disposed on the door closing stop structure (3), and when the refrigerator door (12) is in a fully opened state, the door opening stop member (4) abuts against the hinge plate (2).
9. The refrigerator with the automatic door opening and closing function according to claim 8, wherein a protruding shoulder (41) is provided on the door opening stopping member (4), a stopper (23) corresponding to the protruding shoulder (41) is provided on the hinge plate (2), and when the refrigerator door (12) is in a fully opened state, the protruding shoulder (41) is in surface contact with the stopper (23).
10. A door closing method of a refrigerator for automatically opening and closing a door according to any one of claims 1 to 9, comprising the steps of:
the automatic door opening and closing device drives the refrigerator door (12), and the door closing stop structure (3) moves towards the direction close to the limit slope (2102) on the arc surface (2101);
the door closing stop structure (3) moves from the arc surface (2101) to the limit slope (2102), the limit slope (2102) generates a second acting force on the door closing stop structure (3), the second acting force can decompose a rotating force in the rotating direction of closing the refrigerator door (12), and the rotating force drives the door closing stop structure (3) to drive the refrigerator door (12) to rotate continuously in the direction of closing the refrigerator door (12);
the door closing stop structure (3) moves along the limit slope (2102) until the refrigerator door (12) is in a fully closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443584.5A CN113700404B (en) | 2020-05-22 | 2020-05-22 | Refrigerator capable of automatically opening and closing door and door closing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443584.5A CN113700404B (en) | 2020-05-22 | 2020-05-22 | Refrigerator capable of automatically opening and closing door and door closing method thereof |
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| CN113700404A true CN113700404A (en) | 2021-11-26 |
| CN113700404B CN113700404B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114353415A (en) * | 2021-12-15 | 2022-04-15 | 安徽康佳同创电器有限公司 | Refrigerator door opening and closing state confirmation reminding device and refrigerator |
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|---|---|
| CN113700404B (en) | 2023-05-26 |
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