CN202970226U - Automatic door-closing device and refrigerator and freezer comprising same - Google Patents
Automatic door-closing device and refrigerator and freezer comprising same Download PDFInfo
- Publication number
- CN202970226U CN202970226U CN201220460424.2U CN201220460424U CN202970226U CN 202970226 U CN202970226 U CN 202970226U CN 201220460424 U CN201220460424 U CN 201220460424U CN 202970226 U CN202970226 U CN 202970226U
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- Prior art keywords
- door
- shell
- spiral lifting
- fixing plate
- hinge
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- Expired - Lifetime
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Abstract
The utility model discloses an automatic door-closing device, which comprises a hollow shell, a shaft sleeve, a hinge shaft and a spring, wherein the hollow shell is installed at a door body, and the shaft sleeve, the hinge shaft and the spring are installed in a hollow cavity body arranged in the shell; one end of the hinge shaft extends out of the outer part of the shell to be connected with a hinge fixing plate installed on a box body, and one end of the shaft sleeve is mounted at the other end of the hinge shaft in a sleeving way; the other end of the shaft sleeve is contacted with one end of the spring, and the other end of the spring is fixed on the shell; a spiral lifting mechanism is arranged at the connecting end of the shaft sleeve and the hinge shaft, and a door stopper is also arranged in the installation position of the shell corresponding to the hinge fixing plate; a hook arranged at the door stopper can be buckled with a buckle arranged on the hinge fixing plate; and the hook arranged at the door stopper can be elastically deformed. The utility model also discloses a refrigerator and a freezer comprising the automatic door-closing device. The automatic door-closing device can realize automatic door-closing, can avoid vibration of the box body caused by impact force generated during door closing, and avoids the problem that a door seal does not stay closed which is caused by the rebound of the door. The automatic door-closing device can be applied to the door bodies of disinfection cabinets, refrigerated display cases and wine cabinets needing to automatically close the door.
Description
Technical field
The utility model belongs to the automatic door-closing technical field, be specifically related to the door engine of the door bodies such as a kind of refrigerator, refrigerated display case, wine cabinet, the improvement technology that belongs to door engine, the utility model also relate to refrigerator and the refrigerator that uses this door engine.
Background technology
current refrigerator, refrigerated display case, the door body of wine cabinet is generally to use common hinge to fix, for sealing effectiveness or the enhancing convenience of closing the door that strengthens door, some employing suction assisting device structures, this structure needs to close very low-angle at closing time, could auto-closing when being generally less than 5 °, some employing spring structures, there is certain pretightning force of closing the door in this mechanism, can automatic door-closing after opening the door, but do not have spacing, use inconvenient, owing to there being pretightning force, therefore the power of opening the door is larger, can produce larger impulse force again during automatic door-closing, cause the vibrations of casing, especially at the refrigerator of little volume, more obvious in wine cabinet, the vibrations of casing will have a strong impact on the storage effect, particularly affect drinks, the storage effect of the food such as medicine.
Summary of the invention
One of them purpose of the present utility model is to consider the problems referred to above and a kind of minimizing pretightning force of closing the door is provided, and produces when avoiding automatic door-closing and impacts, and causes a body bounce-back to cause the door engine that door seal fits badly.
in order to arrive above-mentioned purpose, the technical solution adopted in the utility model is: a kind of door engine, comprise the hollow shell that is arranged on a body, be arranged on the axle sleeve in the set hollow cavity of shell, hinge axis and spring, wherein hinge axis one end stretches out housing exterior and is connected with the hinge fixing plate that is arranged on casing, one end of axle sleeve is sleeved on the other end of hinge axis, one end in contact of the other end of axle sleeve and spring, the other end of spring is fixed on shell, the link of described axle sleeve and hinge axis is provided with spiral lifting mechanism, described shell also is provided with suction assisting device in the installation site of corresponding hinge fixing plate, suction assisting device is provided with the grab that can produce elastic deformation, the set grab of suction assisting device can be interlockingly connected with the set buckle of hinge fixing plate.
Further, above-mentioned spiral lifting mechanism comprise the sidewall that is located at hinge axis the spiral lifting boss, be arranged on the sidewall of axle sleeve, and the spiral lifting breach corresponding with the position of spiral lifting boss on hinge axis, described spiral lifting boss can match with the spiral lifting breach; Vice versa.
Further, the both sides of above-mentioned spiral lifting boss and spiral lifting breach are helical form.
Further, above-mentioned spiral lifting boss and the spiral lifting breach surface of matching is and seamlessly transits.
Further, the sidewall of above-mentioned axle sleeve also is provided with two spacing breach, and two spacing breach lay respectively at the both sides of spiral lifting breach end.The top of spiral lifting boss is placed in the position of spacing breach on hinge axis, and the door body can autoshutdown, plays position-limiting action.
Further, the inside wall of the hollow cavity that above-mentioned shell is set also offers chute, and the sidewall of axle sleeve offers convex tendon in the position of corresponding chute, and convex tendon matches with chute.
Further, the shape of cross section of the end that above-mentioned hinge axis is connected with hinge fixing plate is polygon, hinge fixing plate offers polygonal hole in the position of corresponding hinge axis, and the set polygonal hole of the end that hinge axis is connected with hinge fixing plate and hinge fixing plate matches.
Further, the end that above-mentioned shell is connected with spring is provided with briquetting, and briquetting is connected with shell by bearing pin, and an end of spring contacts with axle sleeve, and the other end of spring contacts with briquetting.
Further, above-mentioned shell is provided with fixed head in the installation site of corresponding hinge fixing plate, and fixed head is vertical with shell, and suction assisting device is arranged on fixed head.
Further, the tail end of above-mentioned suction assisting device can be interlockingly connected with the set projection of hinge fixing plate.
Another purpose of the present utility model is to provide a kind of minimizing pretightning force of closing the door, and produces when avoiding automatic door-closing and impacts, and causes a body bounce-back to cause refrigerator, the refrigerator that door seal fits badly.In order to arrive above-mentioned purpose, the technical solution adopted in the utility model is: be respectively equipped with above-mentioned door engine between the door body of described refrigerator, refrigerator and casing.
The utility model is by arranging in the enclosure spiral lifting mechanism, when automatic door-closing can be realized during less than certain angle in the door body angle of opening the door, because the both sides of spiral lifting boss and spiral lifting breach are all that spiral coordinates, therefore hinge axis is the axle sleeve bidirectional rotation relatively, be installed on body left side and realize R.H.flapped door, be installed on body right side and realize L.H.flapped door; Shell also is provided with suction assisting device in the installation site of corresponding hinge fixing plate, and the set buckle of the grab that suction assisting device is set and hinge fixing plate interacts and can play the cushioning effect of closing the door, the problem that can also avoid a bounce-back to cause door seal to fit badly.The utility model can be used in needs automatic door-closing and needs spacing places, as first-class in the door body of refrigerator, refrigerated display case, disinfection cabinet and wine cabinet.
Description of drawings
Fig. 1 is the explosive view of door engine of the present utility model;
Fig. 2 is the sectional view that door engine of the present utility model is arranged on a body;
Fig. 3 is that door engine of the present utility model is at the schematic diagram that opens the door and close the door;
Fig. 4 is A section enlarged drawing in Fig. 3;
Fig. 5 is the suction assisting device structure chart of door engine of the present utility model;
Fig. 6 is the structure chart of the axle sleeve of door engine of the present utility model;
Fig. 7 is the front view of the axle sleeve of door engine of the present utility model;
Fig. 8 is the top view of the axle sleeve of door engine of the present utility model;
Fig. 9 is the structure chart of the hinge axis of door engine of the present utility model;
Figure 10 is the front view of the hinge axis of door engine of the present utility model;
Figure 11 is the lateral view of the hinge axis of door engine of the present utility model;
Figure 12 is the sectional view of the shell of door engine of the present utility model;
Figure 13 is the top view of the shell of door engine of the present utility model;
Figure 14 is that the helical curve of spiral lifting mechanism of the present utility model forms schematic diagram;
Figure 15 is the forming principle figure of spiral lifting boss of the present utility model;
Figure 16 is the forming principle figure of spiral lifting breach of the present utility model and spacing breach.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
the structure of door engine of the present utility model is as shown in Fig. 1 to 13 any one, comprise the hollow shell 1 that is arranged on a body 8, be arranged on the hinge fixing plate 2 of casing, axle sleeve 3, hinge axis 4, spring 5, suction assisting device 7, bearing pin 10 and briquetting 9, its bottom bracket axle 3, hinge axis 4, spring 5 is arranged on respectively in the set hollow cavity of shell 1 11, the shape of cross section of the lower end 42 of hinge axis 4 is polygon, it is in mating connection that polygonal hole 24 set on the outside of shell 1 lower end and hinge fixing plate 2 is stretched out in the lower end of hinge axis 4, the lower end of axle sleeve 3 is sleeved on the upper end of hinge axis 4, spring 5 is arranged on axle sleeve 3 upper ends, the lower end in contact of the upper end of axle sleeve 3 and spring 5, described briquetting 9 is arranged on the upper end of the set hollow cavity of shell 1 11, the sidewall of shell 1 offers pin shaft hole 14 in the installation site of corresponding briquetting 9, bearing pin 10 passes pin shaft hole 14 briquetting 9 is fixed in the set hollow cavity of shell 1 11, the upper end of spring 5 contacts with briquetting 9, spring 5 is compressed between axle sleeve 3 and briquetting 9, the lower end of shell 1 is provided with fixed head 13, fixed head 13 is vertical with shell 1, suction assisting device 7 is by screw or be bolted to the soffit of fixed head 12, when the degree of opening the door of door body 8 during less than 5 °, the set buckle 21 of the grab 71 that suction assisting device 7 is set and hinge fixing plate 2 is interlockingly connected, prevent the problem that a bounce-back causes door seal to fit badly, in addition, in the process of door body 8 at automatic door-closing, the set grab of suction assisting device 7 71 can contact with the set buckle 21 of hinge fixing plate 2, and grab 71 produces elastic deformation, cause the speed of a body 8 rotations to diminish, play the cushioning effect of closing the door.
The inside wall of the hollow cavity 11 that above-mentioned shell 1 is set also offers chute 12, the sidewall of axle sleeve 3 offers convex tendon 32 in the position of corresponding chute 12, convex tendon 32 matches with chute 12, convex tendon 32 chute 12 relatively slides up and down, axle sleeve 3 is provided with spiral lifting mechanism with the link of hinge axis 4, open the door or close the door in process, the convex tendon 32 of axle sleeve 3 can slide up and down by relative chute 12.
Above-mentioned spiral lifting mechanism comprise the sidewall that is located at hinge axis 4 spiral lifting boss 41, be arranged on the sidewall of axle sleeve 3, and the spiral lifting breach 31 corresponding with the position of spiral lifting boss 41 on hinge axis 4, described spiral lifting boss 41 can match with spiral lifting breach 31; In order to make the utility model be adapted at the use of L.H.flapped door and R.H.flapped door, the both sides of described spiral lifting boss 41 and spiral lifting breach 31 are helical form, and the surface that spiral lifting boss 41 and spiral lifting breach 31 match is spiral and seamlessly transits.When opening the door, axle sleeve 3 is around hinge axis 4 rotations, and axle sleeve 3 can be away from hinge axis 4 simultaneously, and at closing time, axle sleeve 3 can approach to hinge axis 4.The both sides of above-mentioned spiral lifting breach 31 lower ends are respectively equipped with spacing breach 33, when opening the door, when on hinge axis 4, the top of spiral lifting boss 41 is placed in the position of spacing breach 33, door body 8 can autoshutdown, when firmly promoting door body 8 toward the direction of opening the door again, door body 8 can also continue rotation, and the set projection 23 of the tail end 72 of suction assisting device 7 and hinge fixing plate 2 is interlockingly connected and plays dead spacing effect at this moment.
In the present embodiment, the forming principle of spiral lifting boss 41, spiral lifting breach 31 and spacing breach 33 is as follows:
The external diameter of the spiral lifting boss 41 of hinge axis 4 and the spiral lifting breach 31 of axle sleeve 3 is D, generates tangent straight line L1, L1=take D as circle
L2=L1/2, the helical angle of spiral lifting boss 41 and spiral lifting breach 31 is Ar, wherein helical angle Ar tests definite by the specific requirement of door body structure size and door closing speed, open range size according to door and determine automatic door-closing aperture Ac, the maximum angle As that opens the door, automatic door-closing position L4=L1*Ac/360, spacing position L3=L1*As/360, the dark L5 of spacing breach 33, make plane curve 16 and 17, be the face of cylinder 15 formation helixes 18 of D by plane curve 17 around the external diameter of hinge axis 4, obtain spiral lifting boss 41 after helix 18 processing.Be the face of cylinder 20 formation helixes 19 of D by plane curve 16 around the external diameter of axle sleeve 3, obtain spiral lifting breach 31 and spacing breach 33 after helix 19 processing, as shown in accompanying drawing 14 to 16.
The utility model is arranged on lower end between refrigerator or freezer door body and casing, when opening the door, the user needs manual unlocking door body 8, in the process of opening the door, axle sleeve 3 is around hinge axis 4 rotations, spiral lifting boss 41 on hinge axis 4 is staggered with spiral lifting breach 31 gradually simultaneously, and axle sleeve 3 can be away from hinge axis 4 and Compress Spring 5, when the angle of opening when door body 8 is As, on hinge axis 4, the top of spiral lifting boss 41 is placed on the position of spacing breach 33, user's hand is after opening door body 8 at this moment, and a door body 8 can autoshutdown.at closing time, when as long as the user slightly firmly is the position of Ac toward direction promotion door body 8 to the degree of opening the door of closing the door, on hinge axis 4, the top of spiral lifting boss 41 breaks away from spacing breach 33, door body 8 is because the Action of Gravity Field of self can be from the trend direction rotation of closing the door, when door body 8 rotates when contacting to the set buckle 21 of the set grab 71 of suction assisting device 7 and hinge fixing plate 2, grab 71 can produce elastic deformation, cause the speed of a body 8 rotations to diminish, play the cushioning effect of closing the door, when door body 8 continues to be about the position of 5 ° to direction rotation to the degree of opening the door of closing the door, the set buckle 21 of the grab 71 that suction assisting device 7 is set and hinge fixing plate 2 is interlockingly connected, prevent the problem that a bounce-back causes door seal to fit badly.
Certainly, the use of door engine of the present utility model does not limit the use of on refrigerator and refrigerator, can also be used for the product that wine cabinet, disinfection cabinet etc. need automatic door-closing.
Claims (10)
1. door engine, comprise the hollow shell that is arranged on a body, be arranged on the axle sleeve in the set hollow cavity of shell, hinge axis and spring, wherein hinge axis one end stretches out housing exterior and is connected with the hinge fixing plate that is arranged on casing, one end of axle sleeve is sleeved on the other end of hinge axis, one end in contact of the other end of axle sleeve and spring, the other end of spring is fixed on shell, the link of described axle sleeve and hinge axis is provided with spiral lifting mechanism, it is characterized in that, described shell also is provided with suction assisting device in the installation site of corresponding hinge fixing plate, suction assisting device is provided with the grab that can produce elastic deformation, the set grab of suction assisting device can be interlockingly connected with the set buckle of hinge fixing plate.
2. door engine according to claim 1, it is characterized in that, described spiral lifting mechanism comprises the spiral lifting boss of the sidewall that is located at hinge axis, be arranged on the sidewall of axle sleeve and the spiral lifting breach corresponding with the position of spiral lifting boss on hinge axis, described spiral lifting boss can match with the spiral lifting breach; Vice versa.
3. door engine according to claim 2, is characterized in that, the both sides of described spiral lifting boss and spiral lifting breach are helical form; The surface that described spiral lifting boss and spiral lifting breach match is spiral and seamlessly transits.
4. door engine according to claim 3, is characterized in that, the sidewall of described axle sleeve also is provided with two spacing breach, and two spacing breach lay respectively at the both sides of spiral lifting breach end.
5. door engine according to claim 1, is characterized in that, the inside wall of the hollow cavity that described shell is set also offers chute, and the sidewall of axle sleeve offers convex tendon in the position of corresponding chute, and convex tendon matches with chute.
6. door engine according to claim 1, it is characterized in that, the shape of cross section of the end that described hinge axis is connected with hinge fixing plate is polygon, hinge fixing plate offers polygonal hole in the position of corresponding hinge axis, and the set polygonal hole of the end that hinge axis is connected with hinge fixing plate and hinge fixing plate matches.
7. the described door engine of according to claim 1 to 6 any one, is characterized in that, the end that described shell is connected with spring is provided with briquetting, and briquetting is connected with shell by bearing pin, and an end of spring contacts with axle sleeve, and the other end of spring contacts with briquetting.
8. door engine according to claim 7, is characterized in that, described shell is provided with fixed head in the installation site of corresponding hinge fixing plate, and fixed head is vertical with shell, and suction assisting device is arranged on fixed head.
9. door engine according to claim 8, is characterized in that, the tail end of described suction assisting device can be interlockingly connected with the set projection of hinge fixing plate.
10. a refrigerator, refrigerator, is characterized in that, is respectively equipped with the arbitrary described door engine of claim 1 to 9 between the door body of described refrigerator, refrigerator and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460424.2U CN202970226U (en) | 2012-09-11 | 2012-09-11 | Automatic door-closing device and refrigerator and freezer comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460424.2U CN202970226U (en) | 2012-09-11 | 2012-09-11 | Automatic door-closing device and refrigerator and freezer comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202970226U true CN202970226U (en) | 2013-06-05 |
Family
ID=48511318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220460424.2U Expired - Lifetime CN202970226U (en) | 2012-09-11 | 2012-09-11 | Automatic door-closing device and refrigerator and freezer comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202970226U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236219A (en) * | 2013-06-09 | 2014-12-24 | 博西华家用电器有限公司 | Refrigeration instrument with hinge assembly |
| CN104514453A (en) * | 2013-09-26 | 2015-04-15 | 泰州乐金电子冷机有限公司 | Hinge device for refrigerators |
| CN105275293A (en) * | 2015-11-06 | 2016-01-27 | 合肥华凌股份有限公司 | Automatic restoration hinge and refrigerator |
| CN105890255A (en) * | 2016-04-29 | 2016-08-24 | 合肥华凌股份有限公司 | Refrigerator door and refrigerator |
| CN106761090A (en) * | 2017-01-12 | 2017-05-31 | 温州盟宇五金制品有限公司 | A kind of booster type refrigerator hinge |
| CN107940880A (en) * | 2017-12-12 | 2018-04-20 | 海信容声(广东)冰箱有限公司 | It is a kind of to have the function of to help the refrigerator door articulated structure and refrigerator inhaled |
| CN108120202A (en) * | 2017-12-27 | 2018-06-05 | 莱州澳德仕制冷科技有限公司 | A kind of refrigerator glazed door |
| CN109372367A (en) * | 2018-12-25 | 2019-02-22 | 泰州乐金电子冷机有限公司 | Refrigerator closes door component |
| WO2019047547A1 (en) * | 2017-09-05 | 2019-03-14 | 深圳市金合联供应链技术有限公司 | Small-angle-closing hinge and washing machine intelligent silent hinge mechanism thereof |
| CN110307688A (en) * | 2019-07-30 | 2019-10-08 | 长虹美菱股份有限公司 | A kind of refrigerator hinge assembly and the refrigerator using it |
| CN110748255A (en) * | 2019-10-21 | 2020-02-04 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN112229130A (en) * | 2019-07-15 | 2021-01-15 | Lg电子株式会社 | Refrigerator and control method thereof |
| US11415364B2 (en) | 2019-07-12 | 2022-08-16 | Lg Electronics Inc. | Refrigerator |
| US11466928B2 (en) | 2019-07-12 | 2022-10-11 | Lg Electronics Inc. | Refrigerator |
| US11466929B2 (en) | 2019-07-12 | 2022-10-11 | Lg Electronics Inc. | Refrigerator having drawer |
| CN115247936A (en) * | 2021-04-12 | 2022-10-28 | 海信（山东）冰箱有限公司 | Refrigeration storage device |
| US11543174B2 (en) | 2019-07-12 | 2023-01-03 | Lg Electronics Inc. | Refrigerator |
| US11592233B2 (en) | 2019-07-12 | 2023-02-28 | Lg Electronics Inc. | Refrigerator |
| US11635251B2 (en) | 2019-07-12 | 2023-04-25 | Lg Electronics Inc. | Refrigerator |
| US11668518B2 (en) | 2019-07-15 | 2023-06-06 | Lg Electronics Inc. | Refrigerator drawer and control method therefor |
| US11761702B2 (en) | 2019-07-15 | 2023-09-19 | Lg Electronics Inc. | Refrigerator and control method therefor |
-
2012
- 2012-09-11 CN CN201220460424.2U patent/CN202970226U/en not_active Expired - Lifetime
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236219B (en) * | 2013-06-09 | 2018-07-10 | 博西华家用电器有限公司 | Refrigerating appliance with hinge component |
| CN104236219A (en) * | 2013-06-09 | 2014-12-24 | 博西华家用电器有限公司 | Refrigeration instrument with hinge assembly |
| CN104514453A (en) * | 2013-09-26 | 2015-04-15 | 泰州乐金电子冷机有限公司 | Hinge device for refrigerators |
| CN104514453B (en) * | 2013-09-26 | 2016-08-17 | 泰州乐金电子冷机有限公司 | Hinge means for refrigerator |
| CN105275293A (en) * | 2015-11-06 | 2016-01-27 | 合肥华凌股份有限公司 | Automatic restoration hinge and refrigerator |
| CN105890255A (en) * | 2016-04-29 | 2016-08-24 | 合肥华凌股份有限公司 | Refrigerator door and refrigerator |
| CN105890255B (en) * | 2016-04-29 | 2018-05-11 | 合肥华凌股份有限公司 | A kind of refrigerator doors and refrigerator |
| CN106761090A (en) * | 2017-01-12 | 2017-05-31 | 温州盟宇五金制品有限公司 | A kind of booster type refrigerator hinge |
| WO2019047547A1 (en) * | 2017-09-05 | 2019-03-14 | 深圳市金合联供应链技术有限公司 | Small-angle-closing hinge and washing machine intelligent silent hinge mechanism thereof |
| CN107940880A (en) * | 2017-12-12 | 2018-04-20 | 海信容声(广东)冰箱有限公司 | It is a kind of to have the function of to help the refrigerator door articulated structure and refrigerator inhaled |
| CN108120202A (en) * | 2017-12-27 | 2018-06-05 | 莱州澳德仕制冷科技有限公司 | A kind of refrigerator glazed door |
| CN109372367A (en) * | 2018-12-25 | 2019-02-22 | 泰州乐金电子冷机有限公司 | Refrigerator closes door component |
| US11898792B2 (en) | 2019-07-12 | 2024-02-13 | Lg Electronics Inc. | Refrigerator |
| US11415364B2 (en) | 2019-07-12 | 2022-08-16 | Lg Electronics Inc. | Refrigerator |
| US11466928B2 (en) | 2019-07-12 | 2022-10-11 | Lg Electronics Inc. | Refrigerator |
| US11466929B2 (en) | 2019-07-12 | 2022-10-11 | Lg Electronics Inc. | Refrigerator having drawer |
| US11543174B2 (en) | 2019-07-12 | 2023-01-03 | Lg Electronics Inc. | Refrigerator |
| US11592233B2 (en) | 2019-07-12 | 2023-02-28 | Lg Electronics Inc. | Refrigerator |
| US11635251B2 (en) | 2019-07-12 | 2023-04-25 | Lg Electronics Inc. | Refrigerator |
| US11668518B2 (en) | 2019-07-15 | 2023-06-06 | Lg Electronics Inc. | Refrigerator drawer and control method therefor |
| CN112229130A (en) * | 2019-07-15 | 2021-01-15 | Lg电子株式会社 | Refrigerator and control method thereof |
| US11761702B2 (en) | 2019-07-15 | 2023-09-19 | Lg Electronics Inc. | Refrigerator and control method therefor |
| CN110307688A (en) * | 2019-07-30 | 2019-10-08 | 长虹美菱股份有限公司 | A kind of refrigerator hinge assembly and the refrigerator using it |
| CN110748255A (en) * | 2019-10-21 | 2020-02-04 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator |
| CN115247936A (en) * | 2021-04-12 | 2022-10-28 | 海信（山东）冰箱有限公司 | Refrigeration storage device |
| CN115247936B (en) * | 2021-04-12 | 2024-06-07 | 海信冰箱有限公司 | Refrigerating storage equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |