CN111561801A - Automatic refrigerator opens door - Google Patents
Automatic refrigerator opens door Download PDFInfo
- Publication number
- CN111561801A CN111561801A CN201910112997.2A CN201910112997A CN111561801A CN 111561801 A CN111561801 A CN 111561801A CN 201910112997 A CN201910112997 A CN 201910112997A CN 111561801 A CN111561801 A CN 111561801A
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- door
- sliding groove
- closing
- opening
- locking
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims description 43
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- 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 provides an automatic door-opening refrigerator, which comprises a refrigerator body and door bodies, wherein the door bodies are hinged with the refrigerator body through door hinges, the door hinges are assembled on the refrigerator body or the door bodies, 2 door hinges are arranged, a door-opening structure capable of enabling the door bodies to be automatically opened is arranged between one door hinge and the door body or the refrigerator body, locking mechanisms matched with each other are further arranged on the door bodies and the refrigerator body, the locking mechanisms lock the door bodies in a door-closing state, and the locking of the door bodies can be released after door physical force is received in the door-opening process. The refrigerator can be opened automatically by releasing the door locking mechanism to lock the door body through acting force to the door body of the refrigerator when the door is opened, and then the door body is opened automatically through the door opening structure, so that the automatic opening of the door is realized.
Description
Technical Field
The invention relates to a refrigerator capable of automatically opening a door.
Background
Along with the increasing demand of people for the inner space of a kitchen, when a user chooses to purchase, the embedded refrigerator is more and more popular with people, and the door opening mode of the refrigerator is not effectively solved all the time because the refrigerator is embedded in a cabinet. The existing refrigerator door opening mode is mainly realized by two structures, namely a hidden power-assisted handle and an external power-assisted handle, but the gap between a refrigerator door body and a cabinet is very small because the embedded refrigerator is embedded in the cabinet, and if the hidden power-assisted handle is used, the hidden power-assisted handle cannot be operated by stretching hands to hide the power-assisted handle in a door closing state; another kind of external helping hand handle need assemble outside the refrigerator, can occupy most exterior space, has increased the whole size of refrigerator.
Disclosure of Invention
The invention provides an automatic door-opening refrigerator, which solves the problem of inconvenient door-opening operation of an embedded refrigerator in the prior art.
In order to solve the technical problems, the invention provides a refrigerator with an automatic door, which is realized by adopting the following technical scheme: the utility model provides an automatic refrigerator that opens door, is including the box and the door body, and the door body passes through the hinge and articulates with the box, and the hinge assembly is on the box or the door body, and the hinge is provided with 2, is provided with the structure of opening the door that can make the door body open automatically between one of them hinge and the door body or the box, still is provided with the locking mechanical system who mutually supports on the door body and the box, locking mechanical system locks the door body when the state of closing the door, can relieve the door body locking after receiving door physical power when opening the door.
The invention also comprises the following additional technical features:
furthermore, a damping structure is arranged between the other door hinge and the door body or the box body, the damping structure comprises a damping wheel and a damping rotating shaft, the damping wheel is rotatably arranged on the damping rotating shaft, damping liquid is arranged between the damping rotating shaft and the damping wheel, the damping shaft is arranged on the door hinge, and the damping wheel is fixed on the door body or the box body.
Furthermore, the door opening structure comprises an elastic button rotating piece, one end of the elastic button rotating piece is fixed with the door body or the box body, and the other end of the elastic button rotating piece is fixed with the door hinge.
Further, locking mechanical system is including locking piece, retaining member and locking lever, the retaining member sets up on the locking piece, be formed with on locking piece and the retaining member and can make the spout of locking lever slip operation and can make the locking lever slip when closing the door and target in place the back to its spacing limit structure, the spout is including the spout of closing the door and the spout of opening the door.
Furthermore, limit structure is including setting up depressed part and the shaping on the retaining member are at the spacing step of the spout slip-out end of closing the door, the depressed part with spacing step sets up relatively, the locking lever slides in from the spout slip-out end of closing the door between depressed part and the spacing step is locked fixedly.
Further, the door-closing sliding groove comprises a door-closing guide sliding groove and a first door-closing sliding groove communicated with the door-closing guide sliding groove, the first door-closing sliding groove is formed by sinking the inside of the locking block, the bottom surface of the door-closing guide sliding groove is higher than the bottom surface of the first door-closing sliding groove, a first door-closing step is formed at the joint of the door-closing guide sliding groove and the first door-closing sliding groove, and the top surface of the first door-closing step is higher than the top surface of the limit step.
Further, the first door-closing sliding groove is an oval sliding groove, a rectangular sliding groove or an arc-shaped sliding groove.
Further, the depressed part with form spacing spout between the spacing step, the spout that opens the door includes spacing spout and the first spout that opens the door that communicates with spacing spout and the direction spout that opens the door, first spout that opens the door is for forming to the inside sunken of locking block, and spacing spout bottom surface is higher than the first spout bottom surface that opens the door, is formed with first step of opening the door in spacing spout and the first spout intercommunication department that opens the door, and first spout bottom surface that opens the door is higher than the direction spout bottom surface that opens the door, is formed with the second step of opening the door in the first spout that opens the door and the direction spout junction that opens the door, and first step top surface that opens the door is less than spacing step top surface, be higher than second step top surface that opens the door.
Furthermore, the door opening guide sliding groove is communicated with the door closing guide sliding groove, the bottom surface of the door opening guide sliding groove is higher than the bottom surface of the door closing guide sliding groove, and a guide limiting step is formed at the joint of the door opening guide sliding groove and the door closing guide sliding groove.
Furthermore, the guide limit step is obliquely arranged and extends towards the entrance position of the door closing guide chute.
The invention has the following advantages and positive effects:
the invention provides an automatic door-opening refrigerator, which comprises a refrigerator body and door bodies, wherein the door bodies are hinged with the refrigerator body through door hinges, the door hinges are assembled on the refrigerator body or the door bodies, 2 door hinges are arranged, a door-opening structure capable of enabling the door bodies to be automatically opened is arranged between one door hinge and the door body or the refrigerator body, locking mechanisms which are matched with each other are further arranged on the door bodies and the refrigerator body, the door bodies are locked by the locking mechanisms when the door bodies are closed, and the door bodies can be unlocked after door physical force is received when the door bodies are opened. The refrigerator can be opened automatically by releasing the door locking mechanism to lock the door body through acting force to the door body of the refrigerator when the door is opened, and then the door body is opened automatically through the door opening structure, so that the automatic opening of the door is realized.
Drawings
FIG. 1 is a perspective view of an automatic door-opening refrigerator according to the present invention;
FIG. 2 is a view showing the combination of the door hinge and the damping structure of the automatic door-opening refrigerator according to the present invention;
FIG. 3 is a view showing the door hinge and door opening structure of the automatic door opening refrigerator according to the present invention;
FIG. 4 is a first schematic structural view illustrating a closed state of a locking mechanism of the automatic door opening refrigerator according to the present invention;
FIG. 5 is a structural diagram of a locking mechanism of the automatic door-opening refrigerator according to the present invention in a locking state when the door is closed;
fig. 6 is a schematic structural view showing the door-opened state of the locking mechanism of the automatic door-opening refrigerator according to the present invention.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and the detailed description,
example 1:
the invention provides an embodiment of an automatic door-opening refrigerator, which is shown in fig. 1-6 and comprises a refrigerator body 100 and a door body 200, wherein the door body 200 is hinged with the refrigerator body 100 through a door hinge, the door hinge is assembled on the refrigerator body 100 or the door body 200, namely the door hinge can be assembled on the refrigerator body 100, and also can be assembled on the door body 200, as long as the rotary connection between the door body 200 and the refrigerator body 100 can be realized, preferably, 2 door hinges are provided, namely an upper hinge 310 and a lower hinge 320, a door-opening structure capable of enabling the door body 200 to be automatically opened is arranged between one door hinge and the refrigerator body 200 or the refrigerator body 100, namely, when the door hinge is arranged on the refrigerator body 100, the door-opening structure is connected between the door hinge and the door body 200, when the door hinge is arranged on the door body 200, the door-opening structure is arranged between the door hinge and the refrigerator body 100, in the embodiment, the following, the door opening structure in this embodiment preferably includes an elastic button rotating member 400, a door trim is disposed on the door body 200, a protruding column is disposed on the door trim, a positioning column 321 is disposed on the lower hinge 320, one end of the elastic button rotating member 400 is fixed on the protruding column, and the other end of the elastic button rotating member 400 is fixed on the positioning column 321, preferably, the elastic button rotating member 400 is a torsion spring or a twisted elastic sheet, when the door is closed, the torsion spring is compressed to accumulate energy, and when the door body 200 is unlocked, the door body 200 can be popped out by a twisting acting force of the torsion spring, so that the automatic door opening is realized.
In order to realize that the door body 200 can be locked and fixed when the door is closed, the door body 200 and the box body 100 are further provided with a locking mechanism 500 which is matched with each other, the locking mechanism 500 locks the door body 200 when the door is closed, and the locking of the door body 200 can be released after the door body force is received when the door is opened. Further, the locking mechanism 500 includes a locking block 510, a locking member 520 and a locking lever 530, the locking member 520 is disposed on the locking block 510, the locking block 510 is fixed on the box 100, the locking lever 530 is fixed on the door 200, a sliding groove 600 capable of enabling the locking lever 530 to slide and operate and a limiting structure for limiting and fixing the locking lever 530 after the locking lever 530 slides in place when the door is closed are formed on the locking block 510 and the locking member 520, and the sliding groove 600 includes a door closing sliding groove 610 and a door opening sliding groove 620.
Specifically, the limiting structure comprises a recessed portion 710 arranged on the locking member 520 and a limiting step 720 formed at the sliding end of the door-closing sliding groove 610, the recessed portion 710 and the limiting step 720 are arranged oppositely, and the locking member 520 slides into the space between the recessed portion 710 and the limiting step 720 from the sliding end of the door-closing sliding groove 610 and is locked and fixed.
Preferably, the door-closing sliding slot 610 includes a door-closing guide sliding slot 611 and a first door-closing sliding slot 612 communicated with the door-closing guide sliding slot 611, the first door-closing sliding slot 612 is formed by being recessed toward the inside of the locking block 610, a top surface of the door-closing guide sliding slot 611 is higher than a top surface of the first door-closing sliding slot 612, a first door-closing step 613 is formed at a connection position of the door-closing guide sliding slot 611 and the first door-closing sliding slot 612, and the top surface of the first door-closing step 613 is higher than a top surface of the limiting step. When the door is closed, the locking rod 530 enters along the door-closing guide sliding groove 611, preferably, the bottom surface of the door-closing guide sliding groove 611 is an inclined surface, and two side surfaces of the door-closing guide sliding groove 611 are inclined surfaces to play a guiding role, the door-closing guide sliding groove 611 is formed by enclosing the locking block 510 and the locking member 520 together, which is convenient for the locking rod 530 to slide in, the locking rod 530 slides along the door-closing guide sliding groove 611 to reach the first door-closing step 613, and slides down into the first door-closing sliding groove 612 from the first door-closing step 613 to slide along the first door-closing sliding groove 612, due to the limiting function of the first door-closing step 613, the locking rod 530 cannot retreat, and the locking rod 530 is clamped and fixed between the recessed portion 710 and the limiting step 720 through the limiting step 720 after sliding out from the first door-closing sliding groove 612, and due to.
Further, the first door-closing sliding groove 612 is an oval sliding groove, a rectangular sliding groove, or an arc sliding groove, and the first door-opening sliding groove 622 is also a rectangular groove formed by sinking towards the inside of the locking block 510.
Preferably, the door opening guide sliding groove 623 is communicated with the door closing guide sliding groove 611, the bottom surface of the door opening guide sliding groove 623 is higher than the bottom surface of the door closing guide sliding groove 611, and a guide limit step 900 is formed at the joint of the door opening guide sliding groove 623 and the door closing guide sliding groove 611. Thus, the locking rod 530 slides out of the door opening guide sliding groove 623 and then directly enters the entrance position of the door closing guide sliding groove 611, and does not slide reversely due to the guide limiting step 900 after sliding out of the door opening guide sliding groove 623.
Preferably, the guiding limit step 900 is disposed obliquely and extends towards the entrance of the door-closing guiding sliding groove 611, so as to provide a certain guiding function for the locking rod 530, and when a force is applied, the locking rod 530 can slide along the guiding limit step 900 directly to the entrance of the door-closing guiding sliding groove 611.
Further, a damping structure 800 is disposed between another door hinge and the door body 200 or the box body 100, the another door hinge in this embodiment is corresponding to the upper hinge 310, which is also disposed on the box body 100, and the damping structure 800 is disposed between the upper hinge 310 and the door body 200, the damping structure 800 in this embodiment is mainly used for preventing the excessive torsional action force of the elastic torsion piece 400 when the door is opened, which may damage the door body 200, preferably, the damping structure 800 in this embodiment includes a damping wheel 810 and a damping rotating shaft 820, the damping wheel 810 is rotatably disposed on the damping rotating shaft 820, a damping fluid is disposed between the damping rotating shaft 820 and the damping wheel 810, the damping rotating shaft 820 is mounted on the door hinge, and the damping wheel 810 is fixed on the door body 200/the box body 100. The damping wheel 810 balances the excessive torque generated by the elastic torsion member 400, so that the door opening force reaches a proper range, and the door opening process is more stable.
When the door body 200 rotates relative to the cabinet 100, the damping wheel 810 can rotate relative to the damping rotating shaft 820, and the damping force between the damping wheel 810 and the damping rotating shaft 820 can generate a reverse acting force on the elastic button force of the door body 200, so that the door body 200 can be opened stably.
In the refrigerator with the automatic door opening function in the embodiment, when the door body 200 is in the closed state, the locking rod 530 is locked between the concave part 710 and the limiting step 720 to lock and fix the door body 200, when the door needs to be opened, the force is applied to the door body 200, the door body 200 is slightly pushed, so that the locking rod 530 is separated from the concave part 720, the locking lever 530 slides out along the limiting sliding groove 621, the first door opening sliding groove 622, and the door opening guide sliding groove 623, and the locking of the door body 200 is released, and at this time, the elastic torsion member 400 releases the torsion acting force to the door body 200, so that the door body 200 is automatically opened, meanwhile, the door body 200 can be opened stably by matching with the damping structure 800, therefore, when the door is opened lightly, the door body 200 can be opened automatically only by pushing the door body 200, the door opening operation is more convenient, and the locking mechanism 600 is arranged inside between the door body 200 and the refrigerator body 100, so that the problem that the whole size of the refrigerator is enlarged due to the occupation of the external space is avoided.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. The utility model provides an automatic refrigerator that opens door, is including the box and the door body, and the door body passes through the hinge and articulates with the box, and the hinge assembly is on the box or the door body, and its characterized in that, the hinge is provided with 2, is provided with the structure of opening the door that can make the door body open automatically between one of them hinge and the door body or the box, still is provided with the locking mechanical system of mutually supporting on the door body and the box, locking mechanical system locks the door body when closing the door state, can relieve the door body locking after receiving door physical power when opening the door.
2. The automatic door-opening refrigerator according to claim 1, wherein a damping structure is arranged between the other door hinge and the door body or the refrigerator body, the damping structure comprises a damping wheel and a damping rotating shaft, the damping wheel is rotatably arranged on the damping rotating shaft, damping liquid is arranged between the damping rotating shaft and the damping wheel, the damping shaft is arranged on the door hinge, and the damping wheel is fixed on the door body/the refrigerator body.
3. The automatic door opening refrigerator according to claim 1, wherein the door opening structure comprises an elastic button rotating member, one end of the elastic button rotating member is fixed with the door body or the refrigerator body, and the other end of the elastic button rotating member is fixed with the door hinge.
4. The automatic door-opening refrigerator according to claim 1, wherein the locking mechanism comprises a locking block, a locking member and a locking rod, the locking member is disposed on the locking block, a sliding groove for the locking rod to slide and a limiting structure for limiting the locking rod after the locking rod slides in place when the door is closed are formed on the locking block and the locking member, and the sliding groove comprises a door-closing sliding groove and a door-opening sliding groove.
5. The automatic door opening refrigerator according to claim 4, wherein the limiting structure comprises a recessed portion formed on the locking member and a limiting step formed at the sliding end of the door closing sliding groove, the recessed portion is disposed opposite to the limiting step, and the locking rod slides into the space between the recessed portion and the limiting step from the sliding end of the door closing sliding groove and is locked.
6. The automatic door opening refrigerator according to claim 4, wherein the door-closing sliding groove includes a door-closing guide sliding groove and a first door-closing sliding groove communicating with the door-closing guide sliding groove, the first door-closing sliding groove is formed to be recessed inward of the locking block, a bottom surface of the door-closing guide sliding groove is higher than a bottom surface of the first door-closing sliding groove, a first door-closing step is formed at a junction of the door-closing guide sliding groove and the first door-closing sliding groove, and a top surface of the first door-closing step is higher than a top surface of the limit step.
7. The automatic door opening refrigerator according to claim 6, wherein the first door closing sliding groove is an oval sliding groove, a rectangular sliding groove or a circular arc sliding groove.
8. The automatic door opening refrigerator according to claim 5, wherein a limit sliding groove is formed between the recessed portion and the limit step, the door opening sliding groove includes the limit sliding groove and a first door opening sliding groove and a door opening guide sliding groove which are communicated with the limit sliding groove, the first door opening sliding groove is formed by being recessed toward the inside of the locking block, the bottom surface of the limit sliding groove is higher than the bottom surface of the first door opening sliding groove, a first door opening step is formed at the communication position of the limit sliding groove and the first door opening sliding groove, the bottom surface of the first door opening sliding groove is higher than the bottom surface of the door opening guide sliding groove, a second door opening step is formed at the connection position of the first door opening sliding groove and the door opening guide sliding groove, and the top surface of the first door opening step is lower than the top surface of the limit step.
9. The automatic door opening refrigerator according to claim 1, wherein the door opening guide chute is communicated with the door closing guide chute, a bottom surface of the door opening guide chute is higher than a bottom surface of the door closing guide chute, and a guide limit step is formed at a junction of the door opening guide chute and the door closing guide chute.
10. The automatic door opening refrigerator of claim 1 wherein said guide limit step is disposed obliquely and extends toward said door closing guide chute entrance position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910112997.2A CN111561801B (en) | 2019-02-13 | 2019-02-13 | Automatic door-opening refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910112997.2A CN111561801B (en) | 2019-02-13 | 2019-02-13 | Automatic door-opening refrigerator |
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Publication Number | Publication Date |
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CN111561801A true CN111561801A (en) | 2020-08-21 |
CN111561801B CN111561801B (en) | 2023-06-20 |
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Application Number | Title | Priority Date | Filing Date |
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CN201910112997.2A Active CN111561801B (en) | 2019-02-13 | 2019-02-13 | Automatic door-opening refrigerator |
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CN (1) | CN111561801B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113338741A (en) * | 2021-07-08 | 2021-09-03 | 高代国 | Pocket door booster |
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CN1502960A (en) * | 2002-11-27 | 2004-06-09 | ���ǵ�����ʽ���� | Refrigerator |
KR20070020964A (en) * | 2005-08-17 | 2007-02-22 | 엘지전자 주식회사 | Door locking apparatus for wine storage of refrigerator |
US20080278049A1 (en) * | 2005-03-16 | 2008-11-13 | Lg Electronics, Inc. | Damper Embedded in a Home Bar Door of a Refrigerator and Method For Manufacturing Same |
CN101709911A (en) * | 2009-10-24 | 2010-05-19 | 成都峻峰科技开发有限公司 | Automatic isolating door for opening cold storage room |
DE102009026670A1 (en) * | 2009-06-03 | 2010-12-09 | BSH Bosch und Siemens Hausgeräte GmbH | household appliance |
CN103868316A (en) * | 2014-03-14 | 2014-06-18 | 合肥美的电冰箱有限公司 | Bar counter for refrigerator and refrigerator with bar counter |
CN103924854A (en) * | 2014-05-06 | 2014-07-16 | 合肥晶弘电器有限公司 | Door hinge of embedded refrigerator and embedded refrigerator |
CN108894817A (en) * | 2018-08-20 | 2018-11-27 | 攀枝花市九鼎智远知识产权运营有限公司 | A kind of down-hole survival capsule quick operating valve |
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2019
- 2019-02-13 CN CN201910112997.2A patent/CN111561801B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1502960A (en) * | 2002-11-27 | 2004-06-09 | ���ǵ�����ʽ���� | Refrigerator |
US20080278049A1 (en) * | 2005-03-16 | 2008-11-13 | Lg Electronics, Inc. | Damper Embedded in a Home Bar Door of a Refrigerator and Method For Manufacturing Same |
KR20070020964A (en) * | 2005-08-17 | 2007-02-22 | 엘지전자 주식회사 | Door locking apparatus for wine storage of refrigerator |
DE102009026670A1 (en) * | 2009-06-03 | 2010-12-09 | BSH Bosch und Siemens Hausgeräte GmbH | household appliance |
CN101709911A (en) * | 2009-10-24 | 2010-05-19 | 成都峻峰科技开发有限公司 | Automatic isolating door for opening cold storage room |
CN103868316A (en) * | 2014-03-14 | 2014-06-18 | 合肥美的电冰箱有限公司 | Bar counter for refrigerator and refrigerator with bar counter |
CN103924854A (en) * | 2014-05-06 | 2014-07-16 | 合肥晶弘电器有限公司 | Door hinge of embedded refrigerator and embedded refrigerator |
CN108894817A (en) * | 2018-08-20 | 2018-11-27 | 攀枝花市九鼎智远知识产权运营有限公司 | A kind of down-hole survival capsule quick operating valve |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113338741A (en) * | 2021-07-08 | 2021-09-03 | 高代国 | Pocket door booster |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER SPECIAL FREEZER Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER SPECIAL FREEZER Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |