CN113565391A - Drag chain type power transmission sliding door - Google Patents
Drag chain type power transmission sliding door Download PDFInfo
- Publication number
- CN113565391A CN113565391A CN202011641588.0A CN202011641588A CN113565391A CN 113565391 A CN113565391 A CN 113565391A CN 202011641588 A CN202011641588 A CN 202011641588A CN 113565391 A CN113565391 A CN 113565391A
- Authority
- CN
- China
- Prior art keywords
- sliding
- door
- sliding door
- frame
- drag chain
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 239000011521 glass Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 6
- 210000003437 trachea Anatomy 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000010438 heat treatment Methods 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
- 238000006467 substitution reaction Methods 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
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable
-
- 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
- F25D23/021—Sliding doors
-
- 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
- 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
- E05Y2900/306—Application of doors, windows, wings or fittings thereof for domestic appliances for freezers
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)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention provides a drag chain type power transmission sliding door which comprises a frame, a sliding door and a drag chain, wherein the frame is fixedly connected with a refrigerated cabinet, the sliding door is arranged in the frame, the sliding door is slidably connected with the frame, the sliding door comprises a first sliding door and a second sliding door, a first electric wire is arranged in the first sliding door, a second electric wire is arranged in the second sliding door, one end of the drag chain is fixedly connected with the first sliding door, and the other end of the drag chain is fixedly connected with the second sliding door.
Description
Technical Field
The invention belongs to the technical field of sliding doors, and particularly relates to a drag chain type power transmission sliding door.
Background
At present, often be used for the opening part of freezer with the push-and-pull door, when closing the push-and-pull door, see through the product that the push-and-pull door can observe in the freezer, when opening the push-and-pull door, can take out the food of placing in the freezer by oneself, convenience very. However, temperature difference is easily generated inside and outside the refrigerator, so white fog is easily formed on the sliding door, and the use is affected.
Disclosure of Invention
The invention provides a drag chain type power transmission sliding door which can reduce the possibility of forming white fog on the sliding door.
The technical scheme of the invention is realized as follows: a drag chain type power transmission sliding door comprises a frame, a sliding door and a drag chain;
the frame is fixedly connected with the refrigerated cabinet;
the sliding door is arranged in the frame, the sliding door and the frame are connected in a sliding mode, the sliding door comprises a first sliding door and a second sliding door, a first electric wire is arranged in the first sliding door, and a second electric wire is arranged in the second sliding door;
one end of the drag chain is fixedly connected with the first sliding door, and the other end of the drag chain is fixedly connected with the second sliding door.
As a preferred implementation manner, a first slide way and a second slide way are arranged on the inner surface of the frame, the first slide way is arranged above the second slide way, the first sliding door is arranged in the first slide way and is in sliding connection with the first slide way, and the second sliding door is arranged in the second slide way and is in sliding connection with the second slide way.
As a preferred embodiment, two identical sliding connectors are connected between the frame and the sliding door, wherein one sliding connector is connected with the first sliding door and the frame, and the other sliding connector is connected with the second sliding door and the frame.
As a preferred embodiment, first push-and-pull door includes first door frame and first glass, and first door frame is the rectangle setting, and first glass is fixed to be set up in the inboard of first door frame, and first door frame cavity sets up, first electric wire sets up in first door frame, and the electricity is connected between the electrical power unit in first electric wire and the outside, second push-and-pull door includes second door frame and second glass, and the second door frame is the rectangle setting, and second glass is fixed to be set up in the inboard of second door frame, and second door frame cavity sets up, the second electric wire sets up in the second door frame, and the electricity is connected between the electrical power unit in second electric wire and the outside.
As a preferred embodiment, a first sliding groove is fixedly arranged on one side of the first door frame, one end of one sliding connecting piece is inserted into the first sliding groove, the other end of the sliding connecting piece is inserted into the first sliding way, a second sliding groove is fixedly arranged on one side of the second door frame, one end of the other sliding connecting piece is inserted into the second sliding groove, and the other end of the sliding connecting piece is inserted into the second sliding way.
As a preferred embodiment, the sliding connection piece includes two fixing plates disposed in an L shape, the fixing plates are disposed in opposite connection, the fixing plates include a first connecting plate and a second connecting plate integrally connected to each other, the first connecting plate of one sliding connection piece is inserted into the first slideway, the second connecting plate of the sliding connection piece is inserted into the first chute, the first connecting plate of the other sliding connection piece is inserted into the second slideway, and the second connecting plate of the sliding connection piece is inserted into the second slideway.
As a preferred embodiment, a sealing assembly is arranged between the sliding door and the frame, the sealing assembly comprises an air bag, an air pipe and an air pump, wherein the air bag is fixedly arranged on the inner side of the first sliding groove and the inner side of the second sliding groove, the air bag is provided with an air hole, the air hole is communicated with the air pipe, and the air pipe is communicated with the air pump arranged outside.
After the technical scheme is adopted, the invention has the beneficial effects that:
the invention realizes the opening and closing of the first sliding door and the second sliding door through the drag chain, the operation and control of the drag chain can be automatically controlled through electrically connecting the PLC device, the first sliding door and the first slideway are connected through the sliding connecting piece, the sliding connecting piece is arranged in the first slideway, the sliding door is inserted from one side of the sliding connecting piece, the sliding connecting piece improves the sliding connectivity between the sliding door and the door frame, and simultaneously improves the detachability between the sliding door and the door frame, and simultaneously, the first wire and the second wire can be electrified to electrically heat the first sliding door and the second sliding door or heat electrodes after the sliding door is closed. And, the electricity is connected between seal assembly and the PLC device, and after the push-and-pull door was closed, the steerable air pump of PLC device passed through the trachea with the air and transported to the gasbag, and the gasbag adopts the polytetrafluoroethylene setting, has improved the leakproofness behind the gasbag contact frame, and when the push-and-pull door push-and-pull, the gasbag gassing has improved the push-and-pull nature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the open state of the present invention;
fig. 3 is a schematic view of the structure of the sliding connector.
Wherein, 1-a first sliding door; 2-a second sliding door; 3-a first slideway; 5-a first connection plate body; 6-a second connection plate body; 7-a frame; 8-drag chain.
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.
Referring to fig. 1 and 2, a tow chain 8 type power transmission sliding door includes a frame 77, a sliding door and a tow chain 8;
the frame 77 is fixedly connected with the refrigerated cabinet;
the sliding door is arranged in the frame 77, the sliding door and the frame 77 are connected in a sliding mode, the sliding door comprises a first sliding door 1 and a second sliding door 2, a first electric wire is arranged in the first sliding door 1, and a second electric wire is arranged in the second sliding door 2;
one end of the drag chain 8 is fixedly connected with the first sliding door 1, and the other end of the drag chain is fixedly connected with the second sliding door 2.
Frame 77 internal surface is provided with first slide 3 and second slide, and first slide 3 sets up in the top of second slide, sliding connection in first slide 3 and between the first slide 3 is arranged in to first push-and-pull door 1, sliding connection in the second slide and between the second slide is arranged in to second push-and-pull door 2.
The connection is provided with sliding connection spare between frame 77 and the push-and-pull door, and sliding connection spare includes the same two, and one of them sliding connection spare connects first push-and-pull door 1 and frame 77, and another sliding connection spare connects second push-and-pull door 2 and frame 77.
First push-and-pull door 1 includes first door frame and first glass, and first door frame is the rectangle setting, and first glass is fixed to be set up in the inboard of first door frame, and first door frame cavity sets up, first electric wire sets up in first door frame, and the electricity is connected between the power supply unit in first electric wire and the outside, second push-and-pull door 2 includes second door frame and second glass, and the second door frame is the rectangle setting, and second glass is fixed to be set up in the inboard of second door frame, and second door frame cavity sets up, the second electric wire sets up in the second door frame, and the electricity is connected between the power supply unit in second electric wire and the outside.
One side of the first door frame is fixedly provided with a first sliding groove, one end of one sliding connecting piece is inserted into the first sliding groove, the other end of the sliding connecting piece is inserted into the first sliding way 3, one side of the second door frame is fixedly provided with a second sliding groove, one end of the other sliding connecting piece is inserted into the second sliding groove, and the other end of the sliding connecting piece is inserted into the second sliding way.
The sliding connection piece comprises two fixing plates which are arranged in an L shape, the fixing plates are oppositely connected and arranged, the fixing plates comprise a first connecting plate body 5 and a second connecting plate body 6 which are integrally connected and arranged, the first connecting plate body 5 of one sliding connection piece is inserted into a first slide way 3 and arranged, the second connecting plate body 6 of the sliding connection piece is inserted into a first slide way, the first connecting plate of the other sliding connection piece is inserted into a second slide way and arranged, and the second connecting plate body 6 of the sliding connection piece is inserted into a second slide way.
Be provided with seal assembly between push-and-pull door and frame 77, seal assembly includes gasbag, trachea and air pump, and wherein the gasbag is fixed to be set up in the inboard of first spout and the inboard of second spout, is provided with the gas pocket on the gasbag, and gas pocket and trachea are linked together, and the trachea is linked together with the air pump of arranging in the external world.
According to the invention, the opening and closing of the first sliding door 1 and the second sliding door 2 are realized through the drag chain 8, the drag chain 8 can be controlled automatically through being electrically connected with the PLC device, the first sliding door 1 and the first sliding way 3 are connected through the sliding connecting piece, the sliding connecting piece is arranged in the first sliding way 3, the sliding door is inserted from one side of the sliding connecting piece, the sliding connecting piece improves the sliding connectivity between the sliding door and the door frame, and the detachability between the sliding door and the door frame is improved, meanwhile, the first wire and the second wire can be electrified to carry out electric heating or electrode heating on the first sliding door 1 and the second sliding door 2 after the sliding door is closed, and the method belongs to the technical means in the technical field, so that redundant description is not needed here, and the possibility of generating fog on the surface of the sliding door of the refrigerating cabinet is reduced. And, the electricity is connected between seal assembly and the PLC device, and after the push-and-pull door was closed, the steerable air pump of PLC device passed through the trachea with the air and transported to the gasbag, and the gasbag adopts the polytetrafluoroethylene setting, has improved the leakproofness behind the gasbag contact frame 77, and when the push-and-pull door was pushed and pulled, the gasbag gassing has improved the push-and-pull nature.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A drag chain type power transmission sliding door is characterized by comprising a frame, a sliding door and a drag chain;
the frame is fixedly connected with the refrigerated cabinet;
the sliding door is arranged in the frame, the sliding door and the frame are arranged in a sliding connection mode, the sliding door comprises a first sliding door and a second sliding door, a first electric wire is arranged in the first sliding door, and a second electric wire is arranged in the second sliding door;
one end of the drag chain is fixedly connected with the first sliding door, and the other end of the drag chain is fixedly connected with the second sliding door.
2. The drag chain type power transmission sliding door according to claim 1, wherein a first slide way and a second slide way are arranged on the inner surface of the frame, the first slide way is arranged above the second slide way, the first sliding door is arranged in the first slide way and is in sliding connection with the first slide way, and the second sliding door is arranged in the second slide way and is in sliding connection with the second slide way.
3. The drag chain type power transmission sliding door according to claim 2, wherein two sliding connectors are provided between the frame and the sliding door, one of the two sliding connectors is connected with the first sliding door and the frame, and the other sliding connector is connected with the second sliding door and the frame.
4. The drag chain type power transmission sliding door according to claim 3, wherein the first sliding door comprises a first door frame and a first glass, the first door frame is arranged in a rectangular shape, the first glass is fixedly arranged on the inner side of the first door frame, the first door frame is arranged in a hollow mode, the first electric wire is arranged in the first door frame, the first electric wire is electrically connected with power equipment on the outer side, the second sliding door comprises a second door frame and a second glass, the second door frame is arranged in a rectangular shape, the second glass is fixedly arranged on the inner side of the second door frame, the second door frame is arranged in a hollow mode, the second electric wire is arranged in the second door frame, and the second electric wire is electrically connected with power equipment on the outer side.
5. The drag chain type power transmission sliding door according to claim 4, wherein a first sliding groove is fixedly arranged on one side of the first door frame, one end of one sliding connecting piece is inserted into the first sliding groove, the other end of the sliding connecting piece is inserted into the first sliding rail, a second sliding groove is fixedly arranged on one side of the second door frame, one end of the other sliding connecting piece is inserted into the second sliding groove, and the other end of the sliding connecting piece is inserted into the second sliding rail.
6. The tow chain type power transmission sliding door according to claim 5, wherein the sliding connecting pieces comprise two fixing plates arranged in an L shape, the fixing plates are oppositely connected, the fixing plates comprise a first connecting plate body and a second connecting plate body which are integrally connected, the first connecting plate body of one sliding connecting piece is inserted into the first slideway, the second connecting plate body of the sliding connecting piece is inserted into the first chute, the first connecting plate body of the other sliding connecting piece is inserted into the second slideway, and the second connecting plate body of the sliding connecting piece is inserted into the second slideway.
7. The drag chain type power transmission sliding door according to claim 6, wherein a sealing assembly is arranged between the sliding door and the frame, the sealing assembly comprises an air bag, an air pipe and an air pump, the air bag is fixedly arranged on the inner side of the first sliding groove and the inner side of the second sliding groove, an air hole is formed in the air bag, the air hole is communicated with the air pipe, and the air pipe is communicated with the air pump arranged outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641588.0A CN113565391A (en) | 2020-12-31 | 2020-12-31 | Drag chain type power transmission sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641588.0A CN113565391A (en) | 2020-12-31 | 2020-12-31 | Drag chain type power transmission sliding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113565391A true CN113565391A (en) | 2021-10-29 |
Family
ID=78158831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011641588.0A Pending CN113565391A (en) | 2020-12-31 | 2020-12-31 | Drag chain type power transmission sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113565391A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246565A (en) * | 1975-10-09 | 1977-04-13 | Anthony S Mfg Co | U shaped structural element |
| KR20020011582A (en) * | 2000-08-02 | 2002-02-09 | 이성암 | A defroster of a show case for freezing |
| CN101373117A (en) * | 2007-08-21 | 2009-02-25 | 博西华电器（江苏）有限公司 | Door body with glass panel and household electrical appliance using the same |
| CN102877735A (en) * | 2012-10-11 | 2013-01-16 | 青岛同日电机有限公司 | Linear motor drive device of shifting door |
| CN109441317A (en) * | 2018-10-19 | 2019-03-08 | 上海奥为建筑节能科技有限公司 | A kind of automatic gas check for sliding door and window |
| CN209469274U (en) * | 2018-11-24 | 2019-10-08 | 杭州华发实业有限公司 | A kind of POM new material without pulley glass sliding door |
| CN110864490A (en) * | 2019-12-15 | 2020-03-06 | 冰山松洋生物科技(大连)有限公司 | Electric heating power supply structure for sliding door |
| CN210609773U (en) * | 2019-07-17 | 2020-05-22 | 湖州华兹塑料制品有限公司 | Novel show cupboard defogging glass door |
| CN211313874U (en) * | 2019-04-16 | 2020-08-21 | 深圳市道中创新科技有限公司 | Automatic lifting door device and vending machine |
| CN111593988A (en) * | 2020-04-14 | 2020-08-28 | 澳柯玛股份有限公司 | Automatic door opening and closing mechanism and refrigerator applying same |
| CN212205293U (en) * | 2020-03-30 | 2020-12-22 | 上海海立中野冷机有限公司 | Novel sliding door heat preservation structure for half-height food refrigerator |
| CN112880281A (en) * | 2021-01-28 | 2021-06-01 | 名门技术玻璃(青岛)有限公司 | Drag chain type power transmission sliding door |
-
2020
- 2020-12-31 CN CN202011641588.0A patent/CN113565391A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246565A (en) * | 1975-10-09 | 1977-04-13 | Anthony S Mfg Co | U shaped structural element |
| KR20020011582A (en) * | 2000-08-02 | 2002-02-09 | 이성암 | A defroster of a show case for freezing |
| CN101373117A (en) * | 2007-08-21 | 2009-02-25 | 博西华电器（江苏）有限公司 | Door body with glass panel and household electrical appliance using the same |
| CN102877735A (en) * | 2012-10-11 | 2013-01-16 | 青岛同日电机有限公司 | Linear motor drive device of shifting door |
| CN109441317A (en) * | 2018-10-19 | 2019-03-08 | 上海奥为建筑节能科技有限公司 | A kind of automatic gas check for sliding door and window |
| CN209469274U (en) * | 2018-11-24 | 2019-10-08 | 杭州华发实业有限公司 | A kind of POM new material without pulley glass sliding door |
| CN211313874U (en) * | 2019-04-16 | 2020-08-21 | 深圳市道中创新科技有限公司 | Automatic lifting door device and vending machine |
| CN210609773U (en) * | 2019-07-17 | 2020-05-22 | 湖州华兹塑料制品有限公司 | Novel show cupboard defogging glass door |
| CN110864490A (en) * | 2019-12-15 | 2020-03-06 | 冰山松洋生物科技(大连)有限公司 | Electric heating power supply structure for sliding door |
| CN212205293U (en) * | 2020-03-30 | 2020-12-22 | 上海海立中野冷机有限公司 | Novel sliding door heat preservation structure for half-height food refrigerator |
| CN111593988A (en) * | 2020-04-14 | 2020-08-28 | 澳柯玛股份有限公司 | Automatic door opening and closing mechanism and refrigerator applying same |
| CN112880281A (en) * | 2021-01-28 | 2021-06-01 | 名门技术玻璃(青岛)有限公司 | Drag chain type power transmission sliding door |
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| Date | Code | Title | Description |
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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: 20211029 |
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| RJ01 | Rejection of invention patent application after publication |