CN103148661A - Refrigerator door opening device and refrigerator comprising same - Google Patents
Refrigerator door opening device and refrigerator comprising same Download PDFInfo
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- CN103148661A CN103148661A CN2013100683121A CN201310068312A CN103148661A CN 103148661 A CN103148661 A CN 103148661A CN 2013100683121 A CN2013100683121 A CN 2013100683121A CN 201310068312 A CN201310068312 A CN 201310068312A CN 103148661 A CN103148661 A CN 103148661A
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
The invention discloses a refrigerator door opening device and a refrigerator comprising the same. The refrigerator door opening device comprises a handle body, and a base fixedly arranged on the opening/closing side of a refrigerator door body as well as two sets of power assisting mechanisms, wherein the two sets of power assisting mechanisms are respectively mounted at the upper end part and the lower end part of the handle body, and include rotating cams and pushing components; the handle body is fixedly connected with one ends of the rotating cams, and hinged with the base through rotating shafts arranged at the other ends of the rotating cams in a penetrating way; the pushing components are buckled on the base, and can slide along a sliding slot formed in the base; each pushing component comprises a pushing part, and one end of the pushing part is mounted with a pushing head and the other end of the pushing part is fitted with one rotating cam; the pushing heads are propped against the side wall of a refrigerator body; and the refrigerator comprises the refrigerator body, the door body and the door opening device. According to the invention, the structure is simple, the cost is lower and the installation and the maintenance are convenient.
Description
Technical Field
The invention relates to a refrigerator, in particular to a refrigerator door opening device and a refrigerator with the same.
Background
With the development of science and technology, the progress of society and the continuous improvement of the living standard of people, the application of the refrigerator is spread in all aspects of production and life. Particularly, in recent years, the development of the refrigerator is more rapid, and the refrigerator develops various functions from refrigeration and freezing to the present and can meet various working and living requirements of people. The popularization and application of the refrigerator greatly improve the life quality of people.
With the further improvement of the living standard of people, the demand of consumers on the refrigerator gradually develops from the importance of the refrigerator on whether the shelf life of food can be prolonged or not to the importance of a plurality of aspects such as large capacity, fresh keeping, nutrition, health, environmental protection and the like. The large-capacity refrigerator is a large trend of future development, and the large-capacity refrigerator is large in capacity and multiple in partitions and better accords with living habits of consumers. However, the increase of the volume of the refrigerator inevitably brings the increase of the volume of the refrigerator, the area of the door body of the refrigerator is correspondingly increased, the weight of the door body is also increased, therefore, in order to ensure the heat preservation performance of the refrigerator, the magnetic force of the refrigerator door is continuously enhanced, and finally, the user is made more effort when opening the refrigerator door.
The existing refrigerator mostly adopts a lever principle to reduce the door opening force for solving the problem of overlarge door opening force, and has the defects of complex structure, more occupied space and inconvenient installation and maintenance. It will thus be seen that the prior art is susceptible to further improvements and enhancements.
Disclosure of Invention
The invention provides the door opening device capable of greatly reducing the door opening force of the refrigerator and the refrigerator with the door opening device, aiming at avoiding the defects in the prior art.
The technical scheme adopted by the invention is as follows:
a refrigerator door opener comprises a handle body and a base fixedly arranged on the opening and closing side of a refrigerator door body; the refrigerator door opening device also comprises two sets of power-assisted mechanisms, wherein the two sets of power-assisted mechanisms are respectively arranged at the upper end part and the lower end part of the handle body and respectively comprise a rotating cam and a pushing assembly; the handle body is fixedly connected with one end of the rotating cam and is hinged with the base through a rotating shaft arranged at the other end of the rotating cam in a penetrating way; the pushing assembly is buckled on the base and can slide along a sliding groove formed in the base; the pushing assembly comprises a pushing part, one end of the pushing part is provided with a pushing head, and the other end of the pushing part is attached to the rotating cam; the pushing head is abutted against the side wall of the refrigerator body.
The rotating cam comprises a first positioning plate and a bottom plate fixedly connected with the first positioning plate, wherein first side plates are fixedly arranged on two sides of the bottom plate and fixedly connected with the first positioning plate; a pushing angle is arranged at the front end of the first side plate; the opposite positions of the two pushing angles are both provided with first through holes; the rotating cam is fixedly connected with the handle body through the first positioning plate.
The base comprises a second positioning plate and a bent third positioning plate, and the second positioning plate and the third positioning plate are fixedly connected integrally; two sides of the free end of the third positioning plate are respectively and fixedly provided with an ear plate, and the opposite positions of the two ear plates are respectively provided with a second through hole; the rotating shaft penetrates through the first through hole and the second through hole; the handle body is hinged with the base through the rotating shaft.
The two sides of the second positioning plate are respectively and fixedly provided with a baffle plate, and the sliding groove is formed between the two baffle plates and the second positioning plate; and the lower end surface of the baffle and the side surface of the second positioning plate form a first clamping groove.
The pushing part comprises a sliding plate and a bent pushing plate; the front end of the sliding plate is provided with a pushing head connector clip, and the tail end of the sliding plate is fixedly connected with the front end of the pushing plate; the length of the sliding plate is greater than that of the second positioning plate, and the width of the sliding plate is less than that of the pushing plate; the rear end of the top pushing plate is provided with a notch, and the width of the notch is slightly larger than that of the third positioning plate; one end of the pushing head is closed, and the other end of the pushing head is provided with a groove matched with the pushing head plug connector.
A first through groove is formed in the middle of the second positioning plate, and a first thrust block is fixedly arranged at the front end of the first through groove; a second through groove is formed in the position, opposite to the first through groove, of the sliding plate, and a second thrust block is fixedly arranged at the tail end of the second through groove; an elastic reset piece is arranged between the first thrust block and the second thrust block.
The elastic reset piece is a reset spring.
The rotating cam is provided with a cam cover; the cam cover comprises an upper top plate and second side plates which are fixedly arranged on two sides of the upper top plate and matched with the first side plates, second clamping grooves are formed in the inner sides of the second side plates, clamping hooks are arranged on the outer sides of the first side plates, and the cam cover is buckled on the rotating cam through the clamping hooks.
A top cover is arranged above the base and comprises a cover plate matched with the pushing part, third side plates are fixedly arranged on two sides of the cover plate respectively, and clamping plates matched with the first clamping grooves are fixedly arranged at the bottom ends of the third side plates; and the lower end surface of the cover plate is provided with a guide groove for moving the second thrust block.
A refrigerator comprises a refrigerator body, a door body for opening and closing a front opening of the refrigerator body, a door seal arranged on the door body and a door opening device arranged on the opening and closing side of the door body; the door opener is used for assisting in opening the door body, and the door opener is the door opener.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention utilizes the principle of a cam mechanism, rotates the handle body to enable the pushing head to be pushed against the side wall of the refrigerator body, and the reverse thrust of the refrigerator body to the pushing head becomes the assistance for opening the door body, thereby reducing the difficulty of opening the refrigerator door.
2. The invention has simple structure, lower cost and convenient installation and maintenance.
Drawings
Fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic view illustrating a state of the present invention when the refrigerator door is closed.
Fig. 4 is a schematic view of the refrigerator door according to the present invention in an opened state.
Fig. 5 is a schematic structural view of a rotary cam according to the present invention.
Fig. 6 is a schematic structural view of the base of the present invention.
FIG. 7 is a schematic structural view of the pushing portion of the present invention.
FIG. 8 is a sectional view taken along line A-A of the present invention.
Fig. 9 is a schematic structural view of the ejector head of the present invention.
Fig. 10 is a schematic view of the structure of the cam cap of the present invention.
Fig. 11 is a schematic structural view of the top cover of the present invention.
Wherein,
1. the door body 2, the box body 3, the door seal 4, the handle body 5, the base 6, the rotary cam 7, the rotary shaft 8, the sliding chute 9, the pushing head 10, the first positioning plate 11, the bottom plate 12, the first side plate 13, the pushing angle 14, the first through hole 15, the second positioning plate 16, the third positioning plate 17, the ear plate 18, the second through hole 19, the third positioning hole 20, the baffle plate 21, the first clamping groove 22, the sliding plate 23, the pushing plate 24, the pushing head connector 25, the notch 26, the groove 27, the first through groove 28, the first thrust block 29, the second through groove 30, the second thrust block 31, the return spring 32, the upper top plate 33, the second side plate 34, the hook 35, the cam cover 36, the top cover 37, the cover plate 38, the third side plate 39, the clamping plate 40, the guide groove 41, the first positioning hole 42, Second positioning hole
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
As shown in fig. 2, 3, 4 and 6, the refrigerator door opening device comprises a handle body 4 and a base 5 fixedly arranged on the opening and closing side of a refrigerator door body 1, wherein the handle body 4 is a cylindrical rod-type handle; the refrigerator door opening device also comprises two sets of power-assisted mechanisms which are respectively arranged at the upper end part and the lower end part of the handle body 4, and the two sets of power-assisted mechanisms respectively comprise a rotating cam 6 and a pushing assembly; the handle body 4 is fixedly connected with one end of a rotating cam 6 and is hinged with the base 5 through a rotating shaft 7 arranged at the other end of the rotating cam 6 in a penetrating way; the pushing component is buckled on the base 5 and can slide along a sliding groove 8 arranged on the base 5; the pushing assembly comprises a pushing part, one end of the pushing part is provided with a pushing head 9, and the other end of the pushing part is attached to the rotating cam 6; the pushing head 9 is abutted against the side wall of the refrigerator body 2.
As shown in fig. 2 and 5, the rotating cam 6 includes a first positioning plate 10 and a bottom plate 11 fixedly connected to the first positioning plate 10, wherein first side plates 12 are fixedly arranged on two sides of the bottom plate 11, and the first side plates 12 are fixedly connected to the first positioning plate 10; the front end of the first side plate 12 is provided with a pushing angle 13; the relative positions of the two pushing angles are both provided with a first through hole 14; the first positioning plate is provided with two first positioning holes 41, and the rotating cam 6 is in threaded connection with the handle body 4 through screws penetrating through the first positioning holes 41.
As shown in fig. 2, 6 and 8, the base 5 includes a second positioning plate 15 and a third positioning plate 16 in a bent shape, and the second positioning plate 15 and the third positioning plate 16 are fixedly connected together; a second positioning hole 42 is formed in the second positioning plate 15, a third positioning hole 19 is formed in the third positioning plate 16, and the base 5 is in threaded connection with the door body 1 through screws penetrating through the second positioning hole 42 and the third positioning hole 19; two sides of the free end of the third positioning plate 16 are respectively and fixedly provided with an ear plate 17, and the opposite positions of the two ear plates are respectively provided with a second through hole 18; the rotating shaft 7 penetrates through the first through hole 14 and the second through hole 18; the handle body 4 is hinged with the base 5 through the rotating shaft 7; the two sides of the second positioning plate 15 are respectively and fixedly provided with a baffle plate 20, and the sliding groove 8 is formed between the two baffle plates and the second positioning plate 15; the lower end surface of the baffle plate 20 and the side surface of the second positioning plate 15 form a first clamping groove 21.
As shown in fig. 7, the pushing part includes a sliding plate 22 and a bending pushing plate 23; the front end of the sliding plate 22 is provided with a pushing head connector 24, and the tail end of the sliding plate 22 is fixedly connected with the front end of the pushing plate 23; the length of the sliding plate 22 is greater than that of the second positioning plate 15, and the width of the sliding plate 22 is less than that of the ejector plate 23; the rear end of the top pushing plate 23 is provided with a notch 25, and the width of the notch 25 is slightly larger than that of the third positioning plate 16; one end of the pushing head 9 is closed, and the other end is provided with a groove 26 matched with the pushing head plug connector 24.
As shown in fig. 6 and 7, a first through groove 27 is formed in the middle of the second positioning plate 15, and a first thrust block 28 is fixedly arranged at the front end of the first through groove 27; a second through groove 29 is formed in the sliding plate 22 at a position opposite to the first through groove 27, and a second thrust block 30 is fixedly arranged at the tail end of the second through groove 29; an elastic reset piece is arranged between the first thrust block 28 and the second thrust block 30; the elastic restoring member is a restoring spring 31.
As shown in fig. 1 and 10, a cam cap 35 is attached to the rotary cam 6; the cam cap 35 includes an upper plate 32 and second side plates 33 fixedly installed at both sides of the upper plate 32 and adapted to the first side plate 12, a second engaging groove (not shown) is formed at an inner side of the second side plates 33, a hook 34 is formed at an outer side of the first side plate 12, and the cam cap 35 is engaged with the rotating cam 6 through the hook 34.
As shown in fig. 1, 8 and 11, a top cover 36 is installed above the base 5, the top cover 36 includes a cover plate 37 adapted to the pushing part, third side plates 38 are respectively fixed to two sides of the cover plate 37, and a clamping plate 39 adapted to the first clamping groove 21 is fixed to a bottom end of the third side plate 38; the lower end surface of the cover plate 37 is provided with a guide groove 40 for moving the second thrust block 30.
A refrigerator comprises a refrigerator body 2, a door body 1 for opening and closing a front opening of the refrigerator body, a door seal 3 arranged on the door body 1 and a door opening device arranged on the opening and closing side of the door body 1; the door opener is used for assisting in opening the door body 1, and the door opener is the door opener.
As shown in fig. 2, when the door 1 of the refrigerator is in a closed state, the return spring 31 is in the longest state, and at this time, the rotary cam 6 has a larger contact area with the ejector plate 23. As shown in fig. 3, when the door 1 of the refrigerator needs to be opened, the handle body 4 is pulled to rotate along the direction C around the rotating shaft 7, at this time, the rotating cam 6 generates a pushing force on the pushing plate 23, so that the pushing plate 23 moves towards the direction of the refrigerator body 2 under the action of the pushing force, and the sliding plate 22 is driven to move towards the direction of the refrigerator body 2 along the sliding chute 8, meanwhile, because the first thrust block 28 is fixed on the base 5 (the base 5 is installed on the door 1, and the base 5 is stationary), and the second thrust block 30 is fixed on the sliding plate 22, the return spring 31 will be compressed and shortened under the pushing force of the second thrust block 30 and the resistance of the first thrust block, when the pushing part moves to contact the front end of the pushing plate 23 with the end face of the first slot 21, the handle body 4 rotates to the limit position of the direction C, at this time, the pushing head 9 also abuts against the refrigerator body 2, under the reaction force of the refrigerator body 2 and the pulling force of the handle body 4, one section small gap can appear between the lateral wall of door strip of paper used for sealing 3 and box 2 to reduce the inside and outside pressure differential of box 2, made the magnetic force between door strip of paper used for sealing 3 and the box 2 simultaneously reduce, reduced the degree of difficulty of opening of refrigerator door.
As shown in fig. 4, after the door body 1 is opened, the return spring 31 is in the shortest state and stores deformation energy, and at this time, the handle body 4 is released, the return spring 31 releases energy to push the pushing assembly to move in a direction away from the side wall of the box body 2, so as to push the rotating cam 6 to rotate, and then the handle body 4 is driven to return to the original position along the direction D.
In the description of the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It is further understood that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a refrigerator door opener, includes the handle body and sets firmly the base on the side that opens and shuts of the refrigerator door body, its characterized in that: the refrigerator door opening device also comprises two sets of power-assisted mechanisms, wherein the two sets of power-assisted mechanisms are respectively arranged at the upper end part and the lower end part of the handle body and respectively comprise a rotating cam and a pushing assembly; the handle body is fixedly connected with one end of the rotating cam and is hinged with the base through a rotating shaft arranged at the other end of the rotating cam in a penetrating way; the pushing assembly is buckled on the base and can slide along a sliding groove formed in the base; the pushing assembly comprises a pushing part, one end of the pushing part is provided with a pushing head, and the other end of the pushing part is attached to the rotating cam; the pushing head is abutted against the side wall of the refrigerator body.
2. The door opening device for a refrigerator as claimed in claim 1, wherein: the rotating cam comprises a first positioning plate and a bottom plate fixedly connected with the first positioning plate, wherein first side plates are fixedly arranged on two sides of the bottom plate and fixedly connected with the first positioning plate; a pushing angle is arranged at the front end of the first side plate; the opposite positions of the two pushing angles are both provided with first through holes; the rotating cam is fixedly connected with the handle body through the first positioning plate.
3. The door opening device for a refrigerator as claimed in claim 2, wherein: the base comprises a second positioning plate and a bent third positioning plate, and the second positioning plate and the third positioning plate are fixedly connected integrally; two sides of the free end of the third positioning plate are respectively and fixedly provided with an ear plate, and the opposite positions of the two ear plates are respectively provided with a second through hole; the rotating shaft penetrates through the first through hole and the second through hole; the handle body is hinged with the base through the rotating shaft.
4. The door opening device for a refrigerator as claimed in claim 3, wherein: the two sides of the second positioning plate are respectively and fixedly provided with a baffle plate, and the sliding groove is formed between the two baffle plates and the second positioning plate; and the lower end surface of the baffle and the side surface of the second positioning plate form a first clamping groove.
5. The door opening device for a refrigerator as claimed in claim 4, wherein: the pushing part comprises a sliding plate and a bent pushing plate; the front end of the sliding plate is provided with a pushing head connector clip, and the tail end of the sliding plate is fixedly connected with the front end of the pushing plate; the length of the sliding plate is greater than that of the second positioning plate, and the width of the sliding plate is less than that of the pushing plate; the rear end of the top pushing plate is provided with a notch, and the width of the notch is slightly larger than that of the third positioning plate; one end of the pushing head is closed, and the other end of the pushing head is provided with a groove matched with the pushing head plug connector.
6. The door opening device for a refrigerator as claimed in claim 5, wherein: a first through groove is formed in the middle of the second positioning plate, and a first thrust block is fixedly arranged at the front end of the first through groove; a second through groove is formed in the position, opposite to the first through groove, of the sliding plate, and a second thrust block is fixedly arranged at the tail end of the second through groove; an elastic reset piece is arranged between the first thrust block and the second thrust block.
7. The door opening device for a refrigerator as claimed in claim 6, wherein: the elastic reset piece is a reset spring.
8. The door opening device for a refrigerator as claimed in claim 7, wherein: the rotating cam is provided with a cam cover; the cam cover comprises an upper top plate and second side plates which are fixedly arranged on two sides of the upper top plate and matched with the first side plates, second clamping grooves are formed in the inner sides of the second side plates, clamping hooks are arranged on the outer sides of the first side plates, and the cam cover is buckled on the rotating cam through the clamping hooks.
9. The door opening device for a refrigerator as claimed in claim 8, wherein: a top cover is arranged above the base and comprises a cover plate matched with the pushing part, third side plates are fixedly arranged on two sides of the cover plate respectively, and clamping plates matched with the first clamping grooves are fixedly arranged at the bottom ends of the third side plates; and the lower end surface of the cover plate is provided with a guide groove for moving the second thrust block.
10. The utility model provides a refrigerator, includes the box, is used for opening and closing the door body of box front end open-ended, the door strip of paper used for sealing of setting on the door body and set up the door opener who opens and shuts the side at the door body, its characterized in that: the door opener is used for assisting in opening the door body, and is according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310068312.1A CN103148661B (en) | 2013-03-04 | 2013-03-04 | Refrigerator door opening device and refrigerator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310068312.1A CN103148661B (en) | 2013-03-04 | 2013-03-04 | Refrigerator door opening device and refrigerator comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103148661A true CN103148661A (en) | 2013-06-12 |
| CN103148661B CN103148661B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310068312.1A Active CN103148661B (en) | 2013-03-04 | 2013-03-04 | Refrigerator door opening device and refrigerator comprising same |
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| CN (1) | CN103148661B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006604A (en) * | 2014-05-30 | 2014-08-27 | 合肥美的电冰箱有限公司 | Refrigerator and door opening and closing method thereof |
| WO2015043479A1 (en) * | 2013-09-25 | 2015-04-02 | 海尔集团公司 | Movable assist handle apparatus for door body of refrigerator and door body |
| CN107356102A (en) * | 2016-05-10 | 2017-11-17 | 天津北亚检测技术有限公司 | A kind of high temperature furnace sealing device for improving sealing |
| CN108301684A (en) * | 2018-02-28 | 2018-07-20 | 青岛海尔特种电冰柜有限公司 | Fold handle and refrigeration equipment |
| CN109000415A (en) * | 2018-09-08 | 2018-12-14 | 广东奥马冰箱有限公司 | A kind of boosting handle |
| CN109403717A (en) * | 2018-12-29 | 2019-03-01 | Tcl家用电器（合肥）有限公司 | Handle assembly and refrigerator |
| CN110195958A (en) * | 2019-05-07 | 2019-09-03 | 青岛海尔特种电冰柜有限公司 | Refrigerator |
| CN113758124A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔特种电冰柜有限公司 | Refrigeration equipment door body, installation method of power-assisted handle and refrigeration equipment |
| CN114777398A (en) * | 2022-05-18 | 2022-07-22 | 广州万宝集团冰箱有限公司 | Laborsaving refrigerator door handle assembly fitting and laborsaving refrigerator door handle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109000415A (en) * | 2018-09-08 | 2018-12-14 | 广东奥马冰箱有限公司 | A kind of boosting handle |
| CN109403717A (en) * | 2018-12-29 | 2019-03-01 | Tcl家用电器（合肥）有限公司 | Handle assembly and refrigerator |
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| CN113758124B (en) * | 2020-06-02 | 2023-07-07 | 青岛海尔特种电冰柜有限公司 | Refrigeration equipment door body, installation method of refrigeration equipment door body and refrigeration equipment |
| CN113758124A (en) * | 2020-06-02 | 2021-12-07 | 青岛海尔特种电冰柜有限公司 | Refrigeration equipment door body, installation method of power-assisted handle and refrigeration equipment |
| CN114777398A (en) * | 2022-05-18 | 2022-07-22 | 广州万宝集团冰箱有限公司 | Laborsaving refrigerator door handle assembly fitting and laborsaving refrigerator door handle |
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| CN103148661B (en) | 2015-06-03 |
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