CN111335769A - Automatic door opening and closing device and refrigerator applying same - Google Patents
Automatic door opening and closing device and refrigerator applying same Download PDFInfo
- Publication number
- CN111335769A CN111335769A CN202010162618.3A CN202010162618A CN111335769A CN 111335769 A CN111335769 A CN 111335769A CN 202010162618 A CN202010162618 A CN 202010162618A CN 111335769 A CN111335769 A CN 111335769A
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- CN
- China
- Prior art keywords
- refrigerator
- connecting rod
- door
- closing device
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
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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
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
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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
-
- 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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
- E05F2015/631—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms the end of the arm sliding in a track; Slider arms therefor
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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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
- E05Y2201/216—Clutches
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses an automatic door opening and closing device and a refrigerator applying the same, and relates to the technical field of refrigerators. The invention comprises a box body, wherein a door body is hinged at an opening of a cavity of the box body; one side of the door body is provided with a transmission mechanism, the transmission part comprises a motor, a screw rod, a bearing seat, a clutch and a sliding block, two ends of the screw rod are respectively fixed on the bearing seat and the clutch, the sliding block is arranged on the screw rod in a matching way, and an output shaft of the motor is in transmission connection with an input end of the clutch; the slide block is movably connected with one end of the connecting rod, and the other end of the connecting rod is movably connected with the door body. The invention completes the opening and closing of the refrigerator door body through the transmission mechanism arranged on the refrigerator, and reduces the problem that articles stored in the refrigerator deteriorate because the refrigerator door is forgotten to be closed or is not tightly closed.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to an automatic door opening and closing device and a refrigerator applying the same.
Background
The refrigerator is a refrigerating device for keeping constant low temperature, and is a civil product for keeping food or other articles in a constant low-temperature cold state. The refrigerator body is internally provided with a cabinet or a box frozen by a compressor and an ice maker and a storage box with a refrigerating device. In the daily use process, after articles are taken again, the door of the refrigerator is often forgotten to be closed, or the door of the refrigerator is not tightly closed, so that the storage of the articles in the refrigerator is influenced.
In the current market, most of refrigerators still open and close the door in a manual mode, and when a user holds articles by hands, the operation is very inconvenient. Some household electrical appliances manufacturers have released refrigerators that can be opened semi-automatically by touch, human body induction, voice, key and other modes, but the doors of these refrigerators cannot be opened to a required angle automatically, and have no automatic door closing function, so that the user experience is not good. The existing automatic door opening and closing scheme is mostly used in a multi-module matching mode, the cost is expensive, and the wide application is difficult to achieve.
Disclosure of Invention
The invention aims to provide an automatic door opening and closing device and a refrigerator applying the same, wherein the door opening and closing of the refrigerator is completed through a transmission mechanism arranged on the refrigerator, so that the problem that articles stored in the refrigerator deteriorate due to forgetting to close the refrigerator door or not closing the refrigerator door is solved, and the related problems in the background art are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an automatic door opening and closing device and a refrigerator using the same, wherein the automatic door opening and closing device comprises a box body, wherein a door body is hinged at an opening of a cavity of the box body; a transmission mechanism is arranged on one side of the door body, the transmission component comprises a motor, a screw rod, a bearing seat, a clutch and a sliding block, two ends of the screw rod are respectively fixed on the bearing seat and the clutch, the sliding block is arranged on the screw rod in a matched mode, and an output shaft of the motor is in transmission connection with an input end of the clutch; the sliding block is movably connected with one end of the connecting rod, and the other end of the connecting rod is movably connected with the door body.
Furthermore, the connecting rod is a curved rod body, one end of the connecting rod is provided with a first through hole, and the other end of the connecting rod is provided with a second through hole.
Furthermore, the end parts of the two opposite side surfaces of the door body are provided with rotating shaft holes for hinging, one side of each rotating shaft hole is provided with a fixing column, and the fixing columns are installed in a matched mode with the through holes formed in the connecting rods.
Furthermore, a threaded hole matched with the screw rod is formed in the middle of the sliding block, a groove body is formed in the corner of one side of the threaded hole, and a cylinder which is matched with the through hole II formed in the connecting rod is arranged in the groove body.
Furthermore, the number of the door bodies arranged on the box body is the same as that of the transmission mechanisms.
Further, the transmission mechanism is mounted on the upper side or the lower side of the door body.
Compared with the prior art, the invention provides an automatic door opening and closing device and a refrigerator using the same, and the automatic door opening and closing device has the following beneficial effects:
1. the invention completes the opening and closing of the refrigerator door body through the transmission mechanism arranged on the refrigerator, and reduces the problem that articles stored in the refrigerator deteriorate because the refrigerator door is forgotten to be closed or is not tightly closed.
2. The transmission mechanism is simple in structure and convenient to install, and meanwhile, the screw rod drives the sliding block to move, so that the opening angle of the refrigerator door body is convenient to control.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall closing configuration of the double door of the present invention;
FIG. 2 is a schematic view of the overall opening structure of the double door of the present invention;
FIG. 3 is a schematic view of the door body structure of the present invention;
FIG. 4 is a schematic view of the motor structure of the present invention;
FIG. 5 is a schematic view of a slider structure according to the present invention;
FIG. 6 is a schematic view of a connecting rod structure according to the present invention;
FIG. 7 is a schematic view of the overall closing structure of the single-door of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-box body, 2-door body, 201-rotating shaft hole, 202-fixing, 3-motor, 301-output shaft, 4-screw rod, 5-bearing seat, 6-clutch, 7-slide block, 701-screw hole, 702-groove body, 703-cylinder, 8-connecting rod, 801-through hole I and 802-through hole II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-6, the invention is an automatic door opening and closing device and a refrigerator using the same, comprising a box body 1, wherein two door bodies 2 are hinged at an opening of a cavity of the box body 1; the two installed door bodies 2 are opened oppositely; the number of the door bodies 2 arranged on the box body 1 is the same as that of the transmission mechanisms; the transmission mechanism is arranged on the upper side or the lower side of the door body 2;
two groups of transmission mechanisms are arranged on one side of the door body 2, each transmission component comprises a motor 3, a screw rod 4, a bearing block 5, a clutch 6 and a sliding block 7, two ends of each screw rod 4 are respectively fixed on the bearing block 5 and the clutch 6, the sliding blocks 7 are arranged on the screw rods 4 in a matched mode, and an output shaft 301 of the motor 3 is in transmission connection with an input end of the clutch 6; the motor 3 is a double-shaft motor, the motor 3 drives the low rods 4 arranged on two sides to rotate through the clutches 6 arranged on two sides, the sliding block 7 is driven, and the two screw rods 4 arranged at the same time are arranged in opposite directions;
the slide block 7 is movably connected with one end of a connecting rod 8, and the other end of the connecting rod 8 is movably connected with the door body 2.
Referring to fig. 6, the connecting rod 8 is a curved rod, a first through hole 801 is formed at one end of the connecting rod 8, and a second through hole 802 is formed at the other end of the connecting rod 8.
Referring to fig. 3, the ends of two opposite side surfaces of the door 2 are provided with rotating shaft holes 201, and the rotating shaft holes 201 are installed in cooperation with the rotating shaft of the hinge seat installed on the case 1; one side of the rotating shaft hole 201 is provided with a fixing column 202, and the fixing column 202 is installed in a matching manner with a first through hole 801 formed in the connecting rod 8.
Referring to fig. 5, a threaded hole 701 is formed in the middle of the slider 7 to be engaged with the lead screw 4, a groove 702 is formed at a corner of one side of the threaded hole 701, and a cylinder 703 is disposed in the groove 702 to be engaged with a through hole two 802 formed in the connecting rod 8.
When the motor 3 rotates towards the other direction, the screw rod 4 is divided into a left screw rod and a right screw rod which can be driven to rotate simultaneously, so that the two sliding blocks 7 are pushed to move towards the middle, the connecting rod 8 is divided into a left connecting rod and a right connecting rod which are respectively driven to push the door bodies on the two sides to rotate, and the door bodies are closed.
When only the left door body needs to be opened and closed, the left clutch keeps connected, the right clutch is disconnected, and the motor only drives the left screw rod to rotate when rotating.
When only the right door body needs to be opened and closed, the right clutch keeps connected, the left clutch is disconnected, and the motor only drives the right screw rod to rotate when rotating.
The first embodiment is as follows:
referring to fig. 3-7, the present invention is an automatic door opening and closing device and a refrigerator using the same, including a box body 1, wherein a door body 2 is hinged at an opening of a cavity of the box body 1; the number of the door bodies 2 arranged on the box body 1 is the same as that of the transmission mechanisms; the transmission mechanism is arranged on the upper side or the lower side of the door body 2;
one side of the door body 2 is provided with a group of transmission mechanisms, each transmission component comprises a motor 3, a screw rod 4, a bearing block 5, a clutch 6 and a sliding block 7, two ends of the screw rod 4 are respectively fixed on the bearing block 5 and the clutch 6, the sliding block 7 is arranged on the screw rod 4 in a matching mode, and an output shaft 301 of the motor 3 is in transmission connection with an input end of the clutch 6; the motor 3 is a single-shaft motor, and the motor 3 drives the low rod 4 arranged on one side to rotate through the clutch 6 arranged on one side, so that the sliding block 7 is driven;
the slide block 7 is movably connected with one end of a connecting rod 8, and the other end of the connecting rod 8 is movably connected with the door body 2.
Referring to fig. 6, the connecting rod 8 is a curved rod, a first through hole 801 is formed at one end of the connecting rod 8, and a second through hole 802 is formed at the other end of the connecting rod 8.
Referring to fig. 3, the ends of two opposite side surfaces of the door 2 are provided with rotating shaft holes 201, and the rotating shaft holes 201 are installed in cooperation with the rotating shaft of the hinge seat installed on the case 1; one side of the rotating shaft hole 201 is provided with a fixing column 202, and the fixing column 202 is installed in a matching manner with a first through hole 801 formed in the connecting rod 8.
Referring to fig. 5, a threaded hole 701 is formed in the middle of the slider 7 to be engaged with the lead screw 4, a groove 702 is formed at a corner of one side of the threaded hole 701, and a cylinder 703 is disposed in the groove 702 to be engaged with a through hole two 802 formed in the connecting rod 8.
When the motor 3 rotates towards the other direction, the screw rod 4 is driven, so that the two sliding blocks 7 are pushed to move towards one side, the connecting rods 8 are respectively driven to rotate, and the door body is closed or opened.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an automatic switch door gear and use its refrigerator, includes box (1), its characterized in that:
a door body (2) is hinged to an opening of the cavity of the box body (1);
a transmission mechanism is arranged on one side of the door body (2), the transmission part comprises a motor (3), a screw rod (4), a bearing seat (5), a clutch (6) and a sliding block (7), two ends of the screw rod (4) are respectively fixed on the bearing seat (5) and the clutch (6), the sliding block (7) is installed on the screw rod (4) in a matched mode, and an output shaft (301) of the motor (3) is in transmission connection with an input end of the clutch (6);
the sliding block (7) is movably connected with one end of the connecting rod (8), and the other end of the connecting rod (8) is movably connected with the door body (2).
2. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein the connecting rod (8) is a curved rod, one end of the connecting rod (8) is provided with a first through hole (801), and the other end of the connecting rod (8) is provided with a second through hole (802).
3. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein the end portions of two opposite side surfaces of the door body (2) are provided with rotating shaft holes (201) for hinging, one side of each rotating shaft hole (201) is provided with a fixed column (202), and the fixed column (202) is installed in a matching way with a first through hole (801) formed in the connecting rod (8).
4. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein a threaded hole (701) matched with the screw rod (4) is formed in the middle of the sliding block (7), a groove body (702) is formed at a corner at one side of the threaded hole (701), and a cylinder (703) matched with a through hole II (802) formed in the connecting rod (8) and installed is arranged in the groove body (702).
5. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein the number of the door bodies (2) mounted on the refrigerator body (1) is the same as that of the transmission mechanisms.
6. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1 or 5, wherein the transmission mechanism is installed at an upper side or a lower side of the door body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162618.3A CN111335769A (en) | 2020-03-10 | 2020-03-10 | Automatic door opening and closing device and refrigerator applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010162618.3A CN111335769A (en) | 2020-03-10 | 2020-03-10 | Automatic door opening and closing device and refrigerator applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335769A true CN111335769A (en) | 2020-06-26 |
Family
ID=71182280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010162618.3A Pending CN111335769A (en) | 2020-03-10 | 2020-03-10 | Automatic door opening and closing device and refrigerator applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335769A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183988A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Spacing adjusting device, control method and refrigerator |
| CN114646176A (en) * | 2022-03-24 | 2022-06-21 | 创维电器股份有限公司 | Automatic door opening and closing device for refrigerator and working method of automatic door opening and closing device |
| CN115265075A (en) * | 2022-07-19 | 2022-11-01 | 澳柯玛股份有限公司 | Automatic door opening and closing structure of refrigerator door body |
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|---|---|---|---|---|
| EP1609754A2 (en) * | 2004-06-24 | 2005-12-28 | Lifting Italia S.r.l. | An apparatus for actuating wing opening doors for lifts or elevators |
| EP1870552A2 (en) * | 2006-06-21 | 2007-12-26 | GEZE GmbH | Device for regulating the closing sequence for swinging doors with two wings |
| US20090145031A1 (en) * | 2007-12-06 | 2009-06-11 | Collene James J | French door hinge system for oven |
| US20100139169A1 (en) * | 2008-12-04 | 2010-06-10 | Mahendra Madhukar Patil | Door coupling system |
| CN109750926A (en) * | 2019-02-19 | 2019-05-14 | 南京中竞科电子科技有限公司 | A kind of refrigerator and control method of the automatic door operator with clutch |
| CN110273614A (en) * | 2019-05-21 | 2019-09-24 | 佛山市磁家有导科技有限公司 | A kind of safety track magneto with clutch |
| CN209523594U (en) * | 2018-12-28 | 2019-10-22 | 三江学院 | A kind of intelligent window |
| CN111479981A (en) * | 2017-10-17 | 2020-07-31 | 阿博瑞特伯格伦巴赫有限公司 | Assembly of a drive device at a door for an appliance, in particular for a cooling and/or freezing appliance |
-
2020
- 2020-03-10 CN CN202010162618.3A patent/CN111335769A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1609754A2 (en) * | 2004-06-24 | 2005-12-28 | Lifting Italia S.r.l. | An apparatus for actuating wing opening doors for lifts or elevators |
| EP1870552A2 (en) * | 2006-06-21 | 2007-12-26 | GEZE GmbH | Device for regulating the closing sequence for swinging doors with two wings |
| US20090145031A1 (en) * | 2007-12-06 | 2009-06-11 | Collene James J | French door hinge system for oven |
| US20100139169A1 (en) * | 2008-12-04 | 2010-06-10 | Mahendra Madhukar Patil | Door coupling system |
| CN111479981A (en) * | 2017-10-17 | 2020-07-31 | 阿博瑞特伯格伦巴赫有限公司 | Assembly of a drive device at a door for an appliance, in particular for a cooling and/or freezing appliance |
| CN209523594U (en) * | 2018-12-28 | 2019-10-22 | 三江学院 | A kind of intelligent window |
| CN109750926A (en) * | 2019-02-19 | 2019-05-14 | 南京中竞科电子科技有限公司 | A kind of refrigerator and control method of the automatic door operator with clutch |
| CN110273614A (en) * | 2019-05-21 | 2019-09-24 | 佛山市磁家有导科技有限公司 | A kind of safety track magneto with clutch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183988A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Spacing adjusting device, control method and refrigerator |
| CN114646176A (en) * | 2022-03-24 | 2022-06-21 | 创维电器股份有限公司 | Automatic door opening and closing device for refrigerator and working method of automatic door opening and closing device |
| CN115265075A (en) * | 2022-07-19 | 2022-11-01 | 澳柯玛股份有限公司 | Automatic door opening and closing structure of refrigerator door body |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |