CN106839616B - Buffering automatic door closer, refrigeration equipment and door opening and closing control method - Google Patents
Buffering automatic door closer, refrigeration equipment and door opening and closing control method Download PDFInfo
- Publication number
- CN106839616B CN106839616B CN201611226875.9A CN201611226875A CN106839616B CN 106839616 B CN106839616 B CN 106839616B CN 201611226875 A CN201611226875 A CN 201611226875A CN 106839616 B CN106839616 B CN 106839616B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- door
- electromagnet
- door body
- guide rail
- 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.)
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 37
- 238000005057 refrigeration Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008092 positive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process 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
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B81/00—Cabinets or racks specially adapted for other particular purposes, e.g. for storing guns or skis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
- E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
-
- 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
-
- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
-
- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
-
- 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
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
- E05F3/224—Additional arrangements for closers, e.g. for holding the wing in opened or other position for assisting in opening the wing
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a buffering automatic door closer, refrigeration equipment and a door body switch control method, wherein the buffering automatic door closer comprises a guide rail, a sliding block, a crank, a hydraulic buffer, a first connecting rod and a second connecting rod, wherein the sliding block is arranged on the guide rail in a sliding mode, one end portion of the first connecting rod is hinged to the guide rail, the crank is hinged between the sliding block and the first connecting rod, the second connecting rod is hinged to the first connecting rod, the hydraulic buffer is arranged on the guide rail and connected with the sliding block, an electromagnet is arranged on the first connecting rod, and an iron block matched with the electromagnet is arranged on the second connecting rod.
Description
Technical Field
The invention relates to buffering door closing equipment, in particular to a buffering automatic door closer, refrigeration equipment and a door body switch control method.
Background
At present, the buffering automatic door closer is widely applied to daily life of people, the buffering automatic door closer is generally used for a door body in a building, along with the continuous development of related technologies of household appliances, part of high-end household appliances are also provided with the buffering automatic door closer, taking refrigeration equipment (a refrigerator, a freezer or a wine cabinet) as an example, the door body is arranged on the cabinet body through a hinge, the buffering automatic door closer is arranged between the cabinet body and the door body, a reset spring is arranged on the hinge and used for realizing the function of automatically closing the door, the buffering automatic door closer is generally provided with a damper to realize the buffering function, and the used damper generally adopts a friction or spring mode, so that the following problems exist in the actual use process: when the door closing force of a user is insufficient, the return spring cannot completely overcome the resistance of the damper, and the situation that the door body cannot be completely closed easily occurs; when the door closing force of a user is too large, the movement speed of the door body is too large, the buffering effect of the damper is weakened, and the cabinet body is subjected to larger impact under the action of the return spring. How to design a buffer automatic door closer with better use reliability and user experience is the technical problem to be solved by the invention.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the buffer automatic door closer, the refrigeration equipment and the door body switch control method are provided, and the use reliability and the user experience of the buffer automatic door closer are improved.
The technical scheme includes that the buffer automatic door closer comprises a guide rail, a sliding block, a crank, a hydraulic buffer, a first connecting rod and a second connecting rod, wherein the sliding block is arranged on the guide rail in a sliding mode, one end portion of the first connecting rod is hinged to the guide rail, the crank is hinged between the sliding block and the first connecting rod, the second connecting rod is hinged to the first connecting rod, the hydraulic buffer is arranged on the guide rail and connected with the sliding block, an electromagnet is arranged on the first connecting rod, and an iron block matched with the electromagnet is arranged on the second connecting rod.
Further, the door opening device also comprises a detection device for detecting the door opening angle.
Further, the detecting device is an angle sensor for detecting the rotation angle of the first connecting rod.
Further, the detecting device is a position sensor for detecting the position of the first connecting rod or the second connecting rod.
Further, the guide rail is provided with mounting grooves, the hydraulic buffer is located in the mounting grooves, and the sliding blocks are slidably arranged in the two mounting grooves.
Further, guide strips protruding outwards are arranged on two side walls of the sliding block, sliding grooves are respectively formed in opposite side walls of the mounting groove in a clamping mode, and the guide strips are arranged in the corresponding sliding grooves in a sliding mode.
The invention also provides refrigeration equipment, which comprises a cabinet body, a door body and a controller, wherein the door body is hinged on the cabinet body, the refrigeration equipment further comprises the buffering automatic door closer, a guide rail of the buffering automatic door closer is fixed on the door body, a second connecting rod of the buffering automatic door closer is hinged with the cabinet body, and an electromagnet of the buffering automatic door closer is connected with the controller.
Further, a door opening and closing force application part is arranged on the door body, a first pressure sensor for detecting pulling force applied by a user and a second pressure sensor for detecting pushing force applied by the user are arranged on the door body, and the first pressure sensor and the second pressure sensor are connected with the controller.
The invention also provides a door body control method of the refrigeration equipment, which adopts the refrigeration equipment, and the door body control method specifically comprises the following steps:
door open mode: in the door opening process, the electromagnet is in a power-off state;
door closing mode: during the closing process, the electromagnet is electrified, and a magnetic force which attracts each other is generated between the electromagnet and the iron block.
The invention also provides a rotating speed sensor arranged on the door body, and the rotating speed sensor is connected with the controller;
the door opening mode further includes: when the detecting device detects that the opening angle of the door body is larger than the set opening angle value, if the door body rotating speed detected by the rotating speed sensor is larger than the set speed value, the electromagnet is electrified, and a magnetic force which attracts each other is generated between the electromagnet and the iron block.
Compared with the prior art, the invention has the advantages and positive effects that: according to the buffering automatic door closer, the refrigeration equipment and the door body switch control method, the sliding blocks are arranged on the guide rails, so that door opening and closing movement of the door body is converted into linear movement of the sliding blocks, the hydraulic buffer connected with the sliding blocks has a buffering function on the sliding blocks, and the hydraulic buffer automatically adjusts buffering force according to different moving speeds of the sliding blocks, so that good buffering capacity can be still provided when the door is closed under a large force. In addition, through set up the electromagnet on two connecting rods corresponds, provide the function that the helping hand was opened the door when opening the door, and provide the suction when closing the door, realize that the door body is closed completely, realize improving the reliability in use and the user experience nature of buffering automatic door closer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a refrigeration apparatus according to the present invention;
fig. 2 is a schematic structural view of a buffering automatic door closer in the refrigeration equipment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, the refrigeration device of the present embodiment includes a cabinet 100, a door 200, and a controller (not shown), the door 200 is hinged on the cabinet 100, and further includes a buffering automatic door closer, the buffering automatic door closer includes a guide rail 1, a slide block 2, a crank 3, a hydraulic buffer 4, a first connecting rod 5, and a second connecting rod 6, the slide block 2 is slidably disposed on the guide rail 1, one end of the first connecting rod 5 is hinged on the guide rail 1, the crank 3 is hinged between the slide block 2 and the first connecting rod 5, the second connecting rod 6 is hinged on the first connecting rod 5, the hydraulic buffer 4 is mounted on the guide rail 1 and connected with the slide block 2, an electromagnet 71 is disposed on the first connecting rod 5, an iron block 72 cooperating with the electromagnet 71 is disposed on the second connecting rod 6, the guide rail 1 is fixed on the door 200, the second connecting rod 6 is hinged with the door 100, and the electromagnet 71 is connected with the controller.
Specifically, the refrigeration device of the embodiment sets up the automatic door closer of buffering between the cabinet body 100 and the door body 200, the automatic door closer of buffering adopts hydraulic buffer 4 as buffer component, in the in-service use, the automatic door closer of buffering is installed between the cabinet body 100 and the door body 200, and in the switch door process, hydraulic buffer 4 cooperates slider 2 and crank 3 for the rotation motion of the door body 200 converts into the rectilinear movement of slider 2, slider 2 will drive the pull rod reciprocating motion of hydraulic buffer 4, and hydraulic buffer 4 can provide the buffer force of corresponding size according to the travel speed of slider 2, thereby when the door body 200 is opened and closed by the user by force, also can not take place that door body 200 produces the impact to cabinet body 100, provide user's usability. In the door closing process, when the controller knows that the door body 200 is in the door closing operation, the electromagnet 71 is controlled to be electrified, the distance between the electromagnet 71 and the iron block 72 is gradually reduced, and when the door body 200 is closed to a specific angle position, the magnetic force generated by the electromagnet 71 and the iron block 72 can automatically close the door body 200. And the controller starts the electromagnet 71 to be energized by detecting the door opening angle of the door body 200 by a detecting means, for example: the detection device is an angle sensor for detecting the rotation angle of the first connecting rod 5, or the detection device is a position sensor for detecting the position of the first connecting rod 5 or the second connecting rod 6.
Further, the door body 200 is provided with a door opening/closing force application portion (not shown) provided with a first pressure sensor (not shown) for detecting a pulling force applied by a user and a second pressure sensor (not shown) for detecting a pushing force applied by the user, and the first pressure sensor and the second pressure sensor are connected to the controller. Specifically, the controller judges door opening and closing operation according to comparison of pressure values of the first pressure sensor and the second pressure sensor, wherein the specific control method of the controller is as follows: door open mode: in the door opening process, the electromagnet is in a power-off state; door closing mode: during the closing of the door, the electromagnet 71 is energized, and a magnetic force is generated between the electromagnet 71 and the iron piece 72, which attracts each other. In actual use, when the door body 200 is opened at an early stage and is relatively close to the cabinet body 100, if a user applies a relatively large force to make the rotation speed of the door body 200 too high, and when the buffering capacity of the single hydraulic buffer 4 cannot meet the requirement, the door body 200 can be protected by the magnetic force generated by the electromagnet 71 and the iron block 72, specifically, a rotation speed sensor (not shown) is arranged on the door body 200, and the rotation speed sensor can be arranged on the rotation shaft of the door body 200 and connected with the controller; the door opening mode further includes: when the detecting device detects that the opening angle of the door body is larger than the set opening angle value, if the door body rotation speed detected by the rotation speed sensor is larger than the set speed value, the electromagnet 71 is electrified, and a magnetic force which attracts each other is generated between the electromagnet 71 and the iron block 72.
In order to reduce the overall size of the buffering automatic door closer in this embodiment, the buffering automatic door closer is convenient to install on the door body 200, an installation groove (not marked) is formed in the guide rail 1, the hydraulic buffer 4 is located in the installation groove, the sliding block 2 is slidably arranged in the installation groove, and the hydraulic buffer 4 and the sliding block 2 are located in the installation groove and are not exposed, so that the overall size can be effectively reduced. Preferably, guide strips (not marked) protruding outwards are arranged on two side walls of the sliding block 2, sliding grooves 11 are respectively arranged on opposite side walls of the mounting groove in a clamping mode, and the guide strips are arranged in the corresponding sliding grooves 11 in a sliding mode. Specifically, the guide bar is matched with the chute 11, so that the sliding block 2 can be guided, and the sliding block 2 can smoothly reciprocate.
Compared with the prior art, the invention has the advantages and positive effects that: according to the buffering automatic door closer and the refrigeration equipment, the sliding blocks are arranged on the guide rails, so that door opening and closing movement of the door body is converted into linear movement of the sliding blocks, the hydraulic buffer connected with the sliding blocks has a buffering function on the sliding blocks, and the hydraulic buffer automatically adjusts buffering force according to different moving speeds of the sliding blocks, so that good buffering capacity can be still provided when the door is closed under great force. In addition, through set up the electromagnet on two connecting rods corresponds, provide the function that the helping hand was opened the door when opening the door, and provide the suction when closing the door, realize that the door body is closed completely, realize improving the reliability in use and the user experience nature of buffering automatic door closer.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The refrigeration equipment comprises a cabinet body, a door body and a controller, wherein the door body is hinged on the cabinet body;
the buffering automatic door closer comprises a guide rail, a sliding block, a crank, a hydraulic buffer, a first connecting rod and a second connecting rod, wherein the sliding block is arranged on the guide rail in a sliding mode, one end portion of the first connecting rod is hinged to the guide rail, the crank is hinged between the sliding block and the first connecting rod, the second connecting rod is hinged to the first connecting rod, the hydraulic buffer is arranged on the guide rail and connected with the sliding block, an electromagnet is arranged on the first connecting rod, and an iron block matched with the electromagnet is arranged on the second connecting rod;
the guide rail is fixed on the door body, the second connecting rod is hinged with the cabinet body, and the electromagnet is connected with the controller;
the door body is provided with a door opening and closing force application part, the door opening and closing force application part is provided with a first pressure sensor for detecting pulling force applied by a user and a second pressure sensor for detecting pushing force applied by the user, and the first pressure sensor and the second pressure sensor are connected with the controller.
2. The refrigeration appliance of claim 1 further comprising a detection device for detecting the door opening angle.
3. The refrigeration apparatus according to claim 2, wherein the detecting means is an angle sensor for detecting a rotation angle of the first connecting rod.
4. The refrigeration appliance of claim 2 wherein said detection means is a position sensor for detecting the position of said first or second connecting rod.
5. The refrigeration unit as recited in claim 1 wherein said guide rail is provided with mounting slots, said hydraulic damper being located in said mounting slots, said slider being slidably disposed in both of said mounting slots.
6. The refrigeration unit as recited in claim 5 wherein said slider is provided with outwardly projecting guide bars on both side walls thereof, said mounting slots being provided with respective slide grooves on opposite side walls thereof, said guide bars being slidably disposed in respective ones of said slide grooves.
7. A door control method of a refrigeration device, wherein the refrigeration device according to claim 1 is adopted, and the door control method specifically comprises:
door open mode: in the door opening process, the electromagnet is in a power-off state;
door closing mode: during the closing process, the electromagnet is electrified, and a magnetic force which attracts each other is generated between the electromagnet and the iron block.
8. The door body control method of a refrigeration apparatus according to claim 7, wherein a rotation speed sensor is provided on the door body, the rotation speed sensor being connected with a controller;
the door opening mode further includes: when the detecting device detects that the opening angle of the door body is larger than the set opening angle value, if the door body rotating speed detected by the rotating speed sensor is larger than the set speed value, the electromagnet is electrified, and a magnetic force which attracts each other is generated between the electromagnet and the iron block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226875.9A CN106839616B (en) | 2016-12-27 | 2016-12-27 | Buffering automatic door closer, refrigeration equipment and door opening and closing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226875.9A CN106839616B (en) | 2016-12-27 | 2016-12-27 | Buffering automatic door closer, refrigeration equipment and door opening and closing control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839616A CN106839616A (en) | 2017-06-13 |
| CN106839616B true CN106839616B (en) | 2023-08-01 |
Family
ID=59136676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226875.9A Active CN106839616B (en) | 2016-12-27 | 2016-12-27 | Buffering automatic door closer, refrigeration equipment and door opening and closing control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839616B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896939A (en) * | 2018-09-27 | 2018-11-27 | 东莞理工学院 | A kind of nuclear magnetic resonance spectrometer detection isolating door |
| CN110424851B (en) * | 2019-07-22 | 2024-03-12 | 张恩雨 | Angle damper |
| CN115479439B (en) * | 2021-06-16 | 2023-08-22 | 青岛海尔电冰箱有限公司 | Refrigerator with a refrigerator body |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112128A (en) * | 1991-10-22 | 1993-05-07 | Nissan Motor Co Ltd | Opening and closing control device of door for vehicle |
| JPH0723911U (en) * | 1993-10-08 | 1995-05-02 | 株式会社明電舎 | Door |
| CN101636548A (en) * | 2007-02-19 | 2010-01-27 | 利勃海尔-家用电器奥克森豪森有限责任公司 | Refrigerator and/or freezer |
| CN202176182U (en) * | 2011-06-20 | 2012-03-28 | 曾艳 | Buffer device for opening and closing door |
| CN202420096U (en) * | 2011-12-05 | 2012-09-05 | 芦莎莎 | Refrigerator with electromagnetic door |
| CN204283024U (en) * | 2014-12-15 | 2015-04-22 | 李国超 | A kind of shutoff device of folding door of shower room |
| CN105696891A (en) * | 2016-03-31 | 2016-06-22 | 句容市后白镇福临门木门加工厂 | Electromagnetic noise reducing wood door |
-
2016
- 2016-12-27 CN CN201611226875.9A patent/CN106839616B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112128A (en) * | 1991-10-22 | 1993-05-07 | Nissan Motor Co Ltd | Opening and closing control device of door for vehicle |
| JPH0723911U (en) * | 1993-10-08 | 1995-05-02 | 株式会社明電舎 | Door |
| CN101636548A (en) * | 2007-02-19 | 2010-01-27 | 利勃海尔-家用电器奥克森豪森有限责任公司 | Refrigerator and/or freezer |
| CN202176182U (en) * | 2011-06-20 | 2012-03-28 | 曾艳 | Buffer device for opening and closing door |
| CN202420096U (en) * | 2011-12-05 | 2012-09-05 | 芦莎莎 | Refrigerator with electromagnetic door |
| CN204283024U (en) * | 2014-12-15 | 2015-04-22 | 李国超 | A kind of shutoff device of folding door of shower room |
| CN105696891A (en) * | 2016-03-31 | 2016-06-22 | 句容市后白镇福临门木门加工厂 | Electromagnetic noise reducing wood door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106839616A (en) | 2017-06-13 |
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