CN1155034A - Device for opening door in two sides - Google Patents
Device for opening door in two sides Download PDFInfo
- Publication number
- CN1155034A CN1155034A CN 96109625 CN96109625A CN1155034A CN 1155034 A CN1155034 A CN 1155034A CN 96109625 CN96109625 CN 96109625 CN 96109625 A CN96109625 A CN 96109625A CN 1155034 A CN1155034 A CN 1155034A
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- China
- Prior art keywords
- joint pin
- door
- fastener
- cotter way
- bolt
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Abstract
A door is mounted on a refrigerator body by a mechanism enabling the door to be opened selectively at either side thereof while the other side forms a hinge. The mechanism includes a pair of hinge pins disposed on opposite sides of either the body or the door, and a pair of pin slots carried by the other of the body and door for receiving respective ones of the hinge pins when the door is closed. Pin grippers are mounted adjacent respective slots, and each pin gripper is movable between a release state permitting a respective pin to enter and leave its respective slot, and a retaining state preventing the respective pin from leaving its respective slot. A latch bar is manually slidable for holding one of the pin grippers in its retaining state while releasing the other pin gripper. And steering handle for operating latch bar.
Description
The present invention relates to device for opening door in two sides and the refrigerator that this device is housed.
Door is the critical piece of house and so on building, furniture or micro-wave oven and refrigerator and so on household electrical appliance.There is a hinge on common door on the left side or the right and at another side the leader is arranged; Thereby generally be designed to and open or to shut on one side of door.Therefore, Yi Bian this door will bring inconvenience right-hander or left-handed person owing to can only open for custom.
And, therefore because the direction of opening of door fixes, there is the riding position of a utensil to be restricted and can't effectively utilizes the space.
In order to eliminate above-mentioned shortcoming, some patents, for example European patent bulletin NO.0501021, United States Patent (USP) NO.3,889,419, United States Patent (USP) NO.4,503,582, United States Patent (USP) NO.4,507,883 and United States Patent (USP) NO.5,064,255 discloses several devices that can open the door from both sides.
Above-mentioned mechanism's more complicated from device for opening door in two sides.In these devices, one side when the pulling the door open of door, the another side of door is as hinge.
Simultaneously, in the household electrical appliance use occasion, look the difference of its main user or its installation position, gate open often can only be from the left side or the right open, therefore, existing door opener is not realized the remarkable function that can open from arbitrary limit that it will be realized fully and still is unnecessary and of great use device not.
In addition, in existing device for opening door in two sides, become the hinge state and unlikely the coming off of door and need to use many precision parts when opening the door in order to ensure arbitrary limit accurate transformation.Therefore, the manufacturing cost of this device is higher, thereby and along with parts because of long-term use to wear and tear lose original precision, this device very likely lost efficacy and the safety that can't guarantee to use.
The present invention will overcome the problems referred to above of the prior art, therefore an object of the present invention is to provide a kind of can select (use a switch) by the user thus and only open the required one side in the both sides of door and make the simply low device for opening door in two sides of cost of manufacture.
Second purpose of the present invention provides the refrigerator that above-mentioned device for opening door in two sides is housed.
Above-mentioned purpose realizes with a door opener that is contained in the door opening place of appliance body, comprising: at least one pair of is positioned at the joint pin of door or this main body opposite end pivot that is used as door relative to each other; One adorns on the door that joint pin is not housed thereon or the housing on this main body, and the cotter way that enters for joint pin is arranged on this housing; The a pair of joint pin tightening device at cotter way place separately that is positioned at, this can move between a buckled position and a dropout position tightening device, this tightening device blocks the dropout outlet of cotter way and joint pin is fastened in cotter way when buckled position, and allows on the dropout position time joint pin to break away from cotter way; One of one two tightening device is fixed on the dropout position and another tightening device is fixed on the bolt work apparatus and the steering handle from this bolt work apparatus of external control of buckled position.
This bolt work apparatus can be rod door bolt part, and it is placed to and can slides between two tightening devices, thereby its two relative tops are selectively against tightening device.This door opener also can comprise the positioner of fixing this door bolt spare.This positioner can comprise that a locator protrusions and of heaving from this door bolt spare is fixed on the keeper on this housing, this keeper elastically deformable, have on it can with the locating slot of this locator protrusions engagement.
According to a preferred embodiment, this joint pin tightening device comprises: having on it one can the local joint pin fastener of admitting the pin receiving channel of joint pin, and it can rotate between buckled position and dropout position around a pivot; And one this fastener push to thread off spring of position, this bolt work apparatus optionally prevent one of fastener from buckled position to taking off and rotated position.In this example, this bolt work apparatus can be that a rod that is designed to slide between two fasteners is fastened part with a bolt or latch, thereby and two fasteners all have one can fasten the part respective end with a bolt or latch against the abutment face that can't rotate with this.
According to another preferred embodiment, this joint pin tightening device comprises a pair of spring that is arranged in the joint pin fastener at two cotter way places and fastener is pushed to buckled position, all there is the inclined-plane on the both sides of this contacting piece, thereby can push cotter way or therefrom pull out and between buckled position and dropout position, slide along with joint pin, and bolt work apparatus withstands one of two fasteners on this buckled position.In this embodiment, this bolt work apparatus can be the rod that is designed to slide and fastens part with a bolt or latch between this two fastener, and withstand fastener on buckled position on two tops of this door bolt spare.
Simultaneously, in yet another aspect, the present invention also provides the refrigerator that above-mentioned door opener is housed.
Can understand the present invention and purpose and advantage better by following description taken in conjunction with the accompanying drawings.In the accompanying drawing:
Fig. 1 is the stereogram that the refrigerator of door opener of the present invention is housed;
Fig. 2 is the exploded stereogram of the door opener of first embodiment of the invention;
Fig. 3 is the plan view of door opener shown in Figure 2 when door is shut, and wherein, the right of door latches;
The plan view of this door opener when Fig. 4 opens for door among Fig. 3;
Fig. 5 is the plan view of door opener shown in Figure 2 when door is shut, and wherein, the left side of door latches;
The plan view of this door opener when Fig. 6 opens for door among Fig. 5;
Fig. 7 is the exploded stereogram of the door opener of second embodiment of the invention;
Fig. 8 is the plan view of Fig. 7 switching device when door is shut, and wherein, the right of door latches;
The plan view of this door opener when Fig. 9 opens for door among Fig. 8;
Figure 10 is the plan view of Fig. 7 door opener when door is shut, and wherein, the left side of door latches;
The plan view of this door opener when Figure 11 opens for door among Figure 10.
Below in conjunction with accompanying drawing in detail the present invention is described in detail.
Fig. 1 is the stereogram that the refrigerator of door opener of the present invention is housed.This refrigerator comprises that one has the main body 1 of refrigerating chamber and this main body 1 front and is used for 2 of opening/closing door opening.Another of top 3 is used for the refrigerating chamber of refrigerating chamber top.Door 2 is opened in Fig. 1 slightly, and the left side of door 2 and the right respectively have leader 5a and 5b to be used for opening from arbitrary limit door 2.
The Si Jiaochu of refrigerating chamber has the joint pin of a vertical stretching.Fig. 1 illustrates upper left and bottom right joint pin 7b wherein.Joint pin 7b is fixed on support 8b and upward and from main body 1 stretches out.There is a steering handle of opening direction 9 that is used for selecting door 2 door 2 top.Steering handle 9 exposes above door 2.
Fig. 2 is the exploded stereogram of door opener that is contained in the first embodiment of the invention of door 2 top and bottom; Fig. 3 is the plan view of this door opener, and wherein, door is shut and the right of door latches; The plan view of this door opener when Fig. 4 opens for the left side of door.
As shown in these figures, this device for opening door in two sides comprises that one is fixed on door 2 top or following and by a lid 11 housings that cover 10.The opposite two ends of this housing 10 has cotter way 13a and 13b, thereby the respective hinge pin 7a of main body 1 and 7b can push cotter way 13a and 13b or therefrom pull out.There is an elongate handle groove 15 that longitudinally stretches at the middle part of lid 11.This steering handle 9 can move in this handle slot 15.
At each cotter way 13a and 13b position one joint pin fastener 20a and 20b arranged all.Have on fastener 20a and the 20b and be used for admitting joint pin 7a and 7b and the pin receiving channel 23a and the 23b of their fastenings in cotter way 13a and 13b.Fastener 20a and 20b can rotate around trunnion 21a and 21b.
Therefore, along with the rotation of fastener 20a and 20b, can fasten from joint pin 7a shown in Figure 3 and 7b and among cotter way 13a and 13b, fasten that state-transition becomes joint pin 7a shown in Fig. 4 left side and 7b and cotter way 13a and 13b to divide to open and taking off and state of threading off.As shown in Figure 3, when entering among cotter way 13a and the 13b again, joint pin 7a and 7b just keep fastening state.
The one stock shape door bolt part 30 that can slide is in the vertical arranged between cotter way 13a and the 13b.Door bolt part 30 passes handle slot 15 and is connected with the steering handle 9 that exposes externally, thereby handles i.e. this door bolt spare slidably of this steering handle 9.
Also has a located lateral projection 31 on the door bolt part 30.Positioning piece 16 is fixed on the housing 10, and two locating slot 17a and 17b for locator protrusions 31 embeddings are arranged on this keeper 16.The plate of this keeper 16 for making by elastomeric material.
When moving door bolt part 30 with steering handle 9, elastic deformation takes place in keeper 16, thereby can embed the locator protrusions 31 of door bolt part 30 among one of two locating slot 17a and 17b.Keeper 16 prevents to fasten with a bolt or latch part 30 and moves towards undesirable direction.
When with steering handle 9 door bolt parts 30 being moved on to the left side or the right when door 2 is shut, locator protrusions 31 just is embedded among one of locating slot 17a and 17b, thereby relative two tops of door bolt part 30 are against the left side or abutment face 24a and the 24b of the right joint pin fastener 20a and 20b.
Fig. 3 illustrate that the door bolt part moves to right and with the admittance on the right have joint pin fastener 20a abutment face 24a against.At this moment, the joint pin fastener 20a on the right can't be around pivot from fastening joint pin 7a rotated position among cotter way 13a to the dropout position.Simultaneously, the joint pin fastener 20b on the left side can freely rotate around pivot, so joint pin 7b can have no to push cotter way with stopping or therefrom pull out.That is to say that the right of door 2 remains at hinged state, and the left side of door 2 can open freely and shut.Therefore, the left side of door 2 can be shut or open as shown in Figure 4 as shown in Figure 3, and the right is only as hinge.
Fig. 5 and Fig. 6 illustrate that door bolt part 30 moves the left side and open mode when fastening left side joint pin fastener 20b and shut state.At this moment, opposite with Fig. 3 and Fig. 4, door the right can freely open or shut, and the left side is as firm hinge.
Can find out from said structure, door bolt part 30 be shifted to the opposite on one side one side of will opening the door and can be opened the door on this limit with steering handle 9.When door was opened, the joint pin fastener was around pivoting to the position of preparing to connect joint pin, thus the door bolt part can't shift to open on one side and can't with this abutment face of selling the chain pin fastener against.Thereby can't thread off as hinge door bolt spare on one side, therefore this hinge will not be threaded off when door is opened.
Fig. 7 is the exploded stereogram of the door opener of another embodiment of the present invention; Fig. 8 is the plan view of this door opener, and wherein, the right of door latches when door is shut; Plan view when Fig. 9 opens on this right for this door opener.
As shown in these figures and with Fig. 2 to embodiment illustrated in fig. 6 the same, the door opener of this embodiment comprises that one is fixed on the top of door 102 or following and covered 111 housings that cover 110 by.The opposite two ends of housing 110 has cotter way 113a and 113b, thereby the joint pin 107a of main body 101 and 107b can push among cotter way 113a and the 113b or therefrom pull out.
At cotter way 113a and position, 113b next door joint pin fastener 120a and 120b are arranged respectively. Joint pin fastener 120a and 120b fasten joint pin 107a and 107b in cotter way 113a and 113b. Joint pin fastener 120a and 120b can housing 110 vertically on slide.By the spring 127a of spring(-supported) mount 119 supports of projection on housing 110 bottom surfaces and the elastic force of 127b joint pin fastener 120a and 120b are pushed to cotter way 113a and 113b.
Inclined- plane 121a and 121b that the direction that has relative joint pin 107a and 107b to enter cotter way 113a and 113b on joint pin fastener 120a and the 120b tilts, thus they overcome the elastic force of spring 127a and 127b and oppositely mobile when joint pin 107a and 107b enter among cotter way 113a and the 113b.Then, entering in the cotter way back joint pin 107a and 107b whole enters the joint pin fastener 120a and the 120b that oppositely move in the cotter way process at joint pin and retracts its initial position because of the elastic force that is subjected to spring 127a and 127b.
Having a stock shape to fasten part 130 with a bolt or latch between cotter way 113a and the 113b can be along its longitudinal sliding motion.Relative two top ends of this door bolt spare 130 have guide portion 132a and 132b to be used for admitting the slip of joint pin fastener 120a and 120b and induced hinge pin fastener 120a and 120b, and joint pin fastener 120a and 120b can vertically slipping among guide portion 132a and the 132b along housing 10.
The compression spring 135a and the 135b that joint pin fastener 120a and 120b are pushed to cotter way 113a and 113b are inserted between the bottom surface of joint pin fastener 120a and 120b and guide portion 132a and 132b.The elastic force that the elasticity rate spring 127a that compression spring 135a and 135b promote joint pin fastener 120a and 120b and 127b push the relative housing 110 with 120b of joint pin fastener 120a to cotter way 113a and 113b is much smaller.
When being along the longitudinal movement door bolt part 130 with steering handle 109, elastic deformation takes place in keeper 116, thereby can embed the locator protrusions 131 of door bolt part 130 among one of two locating slot 117a and 117b.This keeper 116 prevents to fasten with a bolt or latch part 130 and moves to undesirable direction.
When door 2 is shut, door bolt parts 130 being moved on to the left side or the right with steering handle 109, locator protrusions 131 is embedded among the locating slot 117a and 117b on the right of keeper 116 or the left side, thereby is fixed on alignment pin 133a and 133b on joint pin fastener 120a and the 120b against the location cotter way 134a that is positioned at door bolt part 130 relative two top ends and the inner of 134b.Therefore, joint pin fastener 120a and 120b can't vertically move inwards along housing 10, thereby are fixed on the position that fastens joint pin 107a and 107b.In this case, compression spring 135a and 135b complementally push pin chain pin fastener 120a and 120b to cotter way 113a and 113b, thereby guarantee between alignment pin 133a and 133b and location cotter way 134a and the 134b against, even connect the position have certain wearing and tearing also can guarantee this against.
Fig. 8 represents to fasten with a bolt or latch part 130 and moves on to the right and fasten the joint pin fastener 120a that fastens joint pin and it can't be moved.At this moment, the joint pin fastener 120a on the right can't move to the position that it can prepare to admit joint pin from the position that joint pin 107a is fastened among cotter way 113a.And at another side, the joint pin fastener 120b on the left side can move freely, thereby corresponding joint pin 107 can freely enter in the cotter way.In other words, the right of door 102 remains the hinge state, and the left side of door 102 can freely open and shut.Therefore, the left side of door 102 can be shut or open as shown in Figure 9 as shown in Figure 8, and the right only can't be opened as hinge.
Figure 10 and 11 expression door bolt parts 130 move on to the left side and when fastening the right joint pin fastener 120b door open and shut state.This moment is opposite with Fig. 8 and Fig. 9, and the right can freely open or shut, and the left side is as hinge.
From the said structure of this embodiment as seen, with steering handle 109 door bolt parts 130 being moved on to the opposite one side on one side of opening the door when door is shut can open the door from this limit.When door was opened, the joint pin fastener was in the position of prepare admitting joint pin, therefore fastened part with a bolt or latch and can't open that end moves and can't be against the abutment face of joint pin fastener to this.Therefore, on one side can't thread off at the door bolt spare of locating as hinge, thus this hinge will not be threaded off when door is opened.
As mentioned above, the invention provides a kind of door opener that can open from arbitrary limit of door, and it is simple in structure, low cost of manufacture, dependable performance.
Claims (9)
1, a kind of door opener that is contained in the door opening place of a main body is characterized in that this device comprises:
At at least one pair of joint pin of door or this main body opposite two ends, these joint pins are as the pivot of door;
The door of joint pin or the housing on this main body of not being equipped with fixed thereon has the cotter way that enters for joint pin on this housing;
The a pair of joint pin tightening device that is arranged on two cotter way positions, this can move between a buckled position and a dropout position the joint pin tightening device, this joint pin fastener blocks the dropout outlet of cotter way and joint pin is snapped onto in the cotter way when this buckled position, and this joint pin fastener allows joint pin to break away from cotter way when the dropout position;
One of these two joint pin fasteners are fixed on the dropout position and another joint pin fastener is fixed on the bolt work apparatus of buckled position; And
One steering handle from this bolt work apparatus of external control.
By the described door opener of claim 1, it is characterized in that 2, this bolt work apparatus is a rod door bolt part that can slide between these two joint pin tightening devices, its relative two tops are selectively against the joint pin tightening device.
3, by the described door opener of claim 2, it is characterized in that, comprise that further one is used for fixing the positioner of this door bolt spare.
4, by the described door opener of claim 3, it is characterized in that, this positioner comprises one from this door bolt spare locator protrusions of heaving and the positioning piece that is fixed on this housing, this keeper elastically deformable and the locating slot that has this locator protrusions of confession to embed on it.
5, by the described door opener of claim 1, it is characterized in that, this joint pin tightening device comprises: having on it one can the local joint pin fastener of admitting the pin receiving channel of this joint pin, and this fastener can rotate between this buckled position and this dropout position around pivot; And one push this joint pin fastener the spring of this dropout position to, and this bolt work apparatus prevents that optionally one of two joint pin fasteners from turning to this dropout position from this buckled position.
6, by the described door opener of claim 5, it is characterized in that, this bolt work apparatus is a rod door bolt part that can slide between these two joint pin fasteners, thus have on each joint pin fastener an abutment face can with this respective top of fastening part with a bolt or latch against this fastener can't be rotated.
7, by the described door opener of claim 1, it is characterized in that, this joint pin tightening device comprises a pair of spring that is arranged on the joint pin fastener at two cotter way positions and the joint pin fastener is pushed to this buckled position, all there is the inclined-plane on these both sides to the joint pin fastener, thereby can push cotter way or therefrom pull out and move between buckled position and dropout position along with joint pin, this bolt work apparatus withstands one of joint pin fastener at buckled position.
By the described door opener of claim 7, it is characterized in that 8, this bolt work apparatus is a rod door bolt part that can slide between two joint pin fasteners, withstand the joint pin fastener at buckled position on the top of this door bolt spare.
9, one has the refrigerator that a main body and a dozen open or close the door of the door opening that closes this main body, it is characterized in that, comprising:
At least one pair of is positioned at this main body opposite two ends joint pin relative to each other, and these joint pins are as the pivot of door;
One is fixed on the housing on the door, and the cotter way that enters for joint pin is arranged on it;
The a pair of joint pin tightening device that is positioned at the cotter way position, this can slide between a buckled position and a dropout position to the joint pin tightening device, this joint pin tightening device blocks the dropout outlet of cotter way and joint pin is fastened in cotter way when buckled position, and allows joint pin to break away from cotter way when the dropout position;
One of one two joint pin tightening device is fixed on the dropout position and another joint pin tightening device is fixed on the bolt work apparatus of buckled position; And
One steering handle from this bolt work apparatus of external control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96109625 CN1155034A (en) | 1995-12-02 | 1996-08-29 | Device for opening door in two sides |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR46193/95 | 1995-12-02 | ||
| KR47351/95 | 1995-12-07 | ||
| CN 96109625 CN1155034A (en) | 1995-12-02 | 1996-08-29 | Device for opening door in two sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1155034A true CN1155034A (en) | 1997-07-23 |
Family
ID=5120485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96109625 Pending CN1155034A (en) | 1995-12-02 | 1996-08-29 | Device for opening door in two sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1155034A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936109A (en) * | 2010-07-23 | 2011-01-05 | 海信容声(广东)冰箱有限公司 | Disassembly-free bidirectionally-opened door mechanism |
| CN101002001B (en) * | 2004-07-30 | 2011-02-09 | 科奈克制造公司 | Storage cabinet with latching mechanism |
| CN102493736A (en) * | 2011-06-08 | 2012-06-13 | 霍保义 | Single door capable of being opened in two directions |
| CN103743190A (en) * | 2013-12-31 | 2014-04-23 | 合肥晶弘电器有限公司 | Refrigerator with door opened and closed leftwards and rightwards |
| CN104328966A (en) * | 2013-11-29 | 2015-02-04 | 海尔集团公司 | Double-way door opener and refrigerator with double-way door opener |
| CN104329879A (en) * | 2013-11-29 | 2015-02-04 | 海尔集团公司 | Two-way door opening/closing device and refrigerator having same |
| CN104344660A (en) * | 2013-11-29 | 2015-02-11 | 海尔集团公司 | Two-way door-opening device and refrigerator with same |
| CN104343305A (en) * | 2013-11-29 | 2015-02-11 | 海尔集团公司 | Bidirectional door opening device and refrigerator with same |
| CN104677021A (en) * | 2013-11-29 | 2015-06-03 | 海尔集团公司 | Double-direction opening device and refrigerator with device |
| CN106288620A (en) * | 2016-08-16 | 2017-01-04 | 青岛海尔股份有限公司 | Cross opening door mechanism and refrigerator |
| CN111386378A (en) * | 2017-12-11 | 2020-07-07 | 爱姆卡工业五金有限公司 | Hinge closing piece |
| CN113914734A (en) * | 2021-09-29 | 2022-01-11 | 重庆海尔制冷电器有限公司 | Bidirectional door opening device and refrigeration equipment with same |
-
1996
- 1996-08-29 CN CN 96109625 patent/CN1155034A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002001B (en) * | 2004-07-30 | 2011-02-09 | 科奈克制造公司 | Storage cabinet with latching mechanism |
| CN101936109A (en) * | 2010-07-23 | 2011-01-05 | 海信容声(广东)冰箱有限公司 | Disassembly-free bidirectionally-opened door mechanism |
| CN101936109B (en) * | 2010-07-23 | 2013-06-26 | 海信容声(广东)冰箱有限公司 | Disassembly-free bidirectionally-opened door mechanism |
| CN102493736A (en) * | 2011-06-08 | 2012-06-13 | 霍保义 | Single door capable of being opened in two directions |
| WO2015078314A1 (en) * | 2013-11-29 | 2015-06-04 | 海尔集团公司 | Gate bidirectional-opening apparatus and refrigerator provided with apparatus |
| WO2015078317A1 (en) * | 2013-11-29 | 2015-06-04 | 海尔集团公司 | Gate bidirectional-opening apparatus and refrigerator provided with apparatus |
| CN104329879A (en) * | 2013-11-29 | 2015-02-04 | 海尔集团公司 | Two-way door opening/closing device and refrigerator having same |
| CN104344660A (en) * | 2013-11-29 | 2015-02-11 | 海尔集团公司 | Two-way door-opening device and refrigerator with same |
| CN104343305A (en) * | 2013-11-29 | 2015-02-11 | 海尔集团公司 | Bidirectional door opening device and refrigerator with same |
| CN104677021A (en) * | 2013-11-29 | 2015-06-03 | 海尔集团公司 | Double-direction opening device and refrigerator with device |
| CN104344660B (en) * | 2013-11-29 | 2017-01-11 | 海尔集团公司 | Two-way door-opening device and refrigerator with same |
| WO2015078316A1 (en) * | 2013-11-29 | 2015-06-04 | 海尔集团公司 | Gate bidirectional-opening apparatus and refrigerator provided with apparatus |
| WO2015078315A1 (en) * | 2013-11-29 | 2015-06-04 | 海尔集团公司 | Gate bidirectional-opening apparatus and refrigerator provided with apparatus |
| CN104328966A (en) * | 2013-11-29 | 2015-02-04 | 海尔集团公司 | Double-way door opener and refrigerator with double-way door opener |
| WO2015078311A1 (en) * | 2013-11-29 | 2015-06-04 | 海尔集团公司 | Bidirectional door opening and closing device and refrigerator having same |
| CN104343305B (en) * | 2013-11-29 | 2016-11-23 | 海尔集团公司 | Bidirectional door opening apparatus and there is the refrigerator of this device |
| CN103743190B (en) * | 2013-12-31 | 2016-06-22 | 合肥晶弘电器有限公司 | One can left and right two-way opened closing refrigerator |
| CN103743190A (en) * | 2013-12-31 | 2014-04-23 | 合肥晶弘电器有限公司 | Refrigerator with door opened and closed leftwards and rightwards |
| CN106288620A (en) * | 2016-08-16 | 2017-01-04 | 青岛海尔股份有限公司 | Cross opening door mechanism and refrigerator |
| US10590686B2 (en) | 2016-08-16 | 2020-03-17 | Qingdao Haier Joint Stock Co., Ltd. | Left-and-right door opening mechanism and refrigerator |
| CN111386378A (en) * | 2017-12-11 | 2020-07-07 | 爱姆卡工业五金有限公司 | Hinge closing piece |
| CN111386378B (en) * | 2017-12-11 | 2022-08-02 | 爱姆卡工业五金有限公司 | Hinge closing piece |
| CN113914734A (en) * | 2021-09-29 | 2022-01-11 | 重庆海尔制冷电器有限公司 | Bidirectional door opening device and refrigeration equipment with same |
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