CN111473597A - Automatic lifting shelf device of refrigerator - Google Patents
Automatic lifting shelf device of refrigerator Download PDFInfo
- Publication number
- CN111473597A CN111473597A CN202010327691.1A CN202010327691A CN111473597A CN 111473597 A CN111473597 A CN 111473597A CN 202010327691 A CN202010327691 A CN 202010327691A CN 111473597 A CN111473597 A CN 111473597A
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- China
- Prior art keywords
- shelf
- connecting rod
- refrigerator
- horizontal
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
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- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/028—Cooled supporting means
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- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
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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 discloses an automatic lifting shelf device of a refrigerator, and relates to the technical field of refrigerators. The refrigerator comprises a refrigerator body, a shelf, an air duct and a shelf lifting device; an air duct is arranged on the back of the inner side of the refrigerator body; a shelf lifting device is arranged on the back of the inner side of the refrigerator body; two vertical rectangular sliding holes which are parallel to each other are formed in the side face of the air duct; the shelf lifting device comprises a fixed seat with a rectangular plate-shaped structure, a U-shaped lifting frame, a first connecting rod, a second connecting rod and a driving device. When the driving device drives the first connecting rod to rotate clockwise through the worm and the worm wheel, the sliding shaft on the side surface of the first connecting rod and the sliding shaft on the side surface of the second connecting rod both slide to the rightmost end; the U-shaped lifting frame is lowered to drive the height of the shelf to be lowered; conversely, the U-shaped lifting frame is lifted, and the height of the shelf is improved; the shelf is lifted through a single driving device, the problem that the shelves are not synchronous in operation due to the fact that a plurality of driving devices are arranged is avoided, the structure is simple, and cost is low.
Description
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to an automatic lifting shelf device of a refrigerator.
Background
In the prior art, most of refrigerator shelves are placed on ribs on the left side and the right side of an inner container, the ribs are provided with a plurality of different heights, and the positions of the shelves are adjusted according to requirements. However, the height adjustment requires taking out all the articles on the shelf, placing the shelf at a proper position, and then placing the articles on the shelf. The adjustment is often difficult and troublesome, and only a few fixed heights can be adjusted, so that the effect of stepless adjustment of the shelf cannot be effectively realized. Meanwhile, the operation time is long, the amount of cold air is increased, the energy consumption loss is large, and the like.
The patent name is a lifting synchronous system of refrigerator rack and its control method (publication number: CN106595211A), when the assembly of the rack body and the lifting mechanism is completed, the connecting piece is slidingly sleeved on the guide rod, the sliding nut is sleeved on the transmission screw rod, the motor drives the transmission screw rod to rotate and drive the lifting of the sliding nut so as to drive the rack body to move along the guide rod; the controller is configured to control the rotation speed and the number of steps of each motor to gradually approach synchronization according to the rotation speed and the number of steps of the corresponding motor fed back by each sensor. The running state of the motors is constantly detected by the sensor and fed back to the controller for logic analysis, the driving compensation is constantly adjusted, and then the running signals of the driving motors are adjusted, so that the aim of always keeping the two motors synchronously running is fulfilled.
The patent name is east shelf structure for refrigerator (publication number: CN206222818U), comprising at least one slide block component, a driving part; the driving part is connected with at least one slider component so that the driving part drives the at least one slider component to move linearly; and the object placing plate is arranged on the sliding block part and moves linearly along with the sliding block part when the sliding block part is driven to act.
The lifting synchronization of the left side and the right side is realized in an electric control mode, and once electronic components are in problems, the lifting synchronization of the lifting structures of the left side and the right side can be caused, so that the phenomena of shelf inclination or motor burnout can be caused; in addition, the left lifting mechanism and the right lifting mechanism are adopted to realize the lifting of the shelf, and the left lifting mechanism and the right lifting mechanism are difficult to realize the synchronization problem.
The invention provides an automatic lifting shelf device of a refrigerator, which realizes shelf lifting through a single driving device, avoids the problem of unsynchronized shelf operation caused by a plurality of driving devices, and has simple structure and low cost.
Disclosure of Invention
The invention aims to provide an automatic lifting shelf device of a refrigerator, when a driving device drives a first connecting rod to rotate clockwise through a worm and a worm wheel, a sliding shaft on the side surface of the first connecting rod and a sliding shaft on the side surface of a second connecting rod both slide to the rightmost end; the U-shaped lifting frame is lowered to drive the height of the shelf to be lowered; through single drive arrangement, realize the shelf and go up and down, avoid the problem that the shelf operation that a plurality of drive arrangement caused is asynchronous.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an automatic lifting shelf device of a refrigerator, comprising: the refrigerator comprises a refrigerator body, a shelf, an air duct and a shelf lifting device; an air duct is arranged on the back of the inner side of the refrigerator body; a shelf lifting device is arranged on the back of the inner side of the refrigerator body; the shelf lifting device is positioned inside the air duct; two vertical rectangular sliding holes which are parallel to each other are formed in the side face of the air duct;
the shelf lifting device comprises a fixed seat with a rectangular plate-shaped structure, a U-shaped lifting frame, a first connecting rod, a second connecting rod and a driving device; the fixed seat is horizontally arranged on the back of the inner side of the refrigerator body; the U-shaped lifting frame comprises a horizontal bottom plate and two horizontal side rods; the horizontal side rods are matched in the vertical rectangular sliding holes in a sliding mode; a first horizontal sliding hole is formed in the side face of the fixed seat; a second horizontal sliding hole corresponding to the first horizontal sliding hole is formed in the side face of the horizontal bottom plate;
the driving device is arranged on the back of the inner side of the refrigerator body; the output end of the driving device is connected with the worm; the worm is meshed and connected with the worm wheel; a rotating shaft of the turbine penetrates through the side face of the fixed seat and is fixedly connected with one end of the first connecting rod, and a sliding shaft on the side face of the other end of the first connecting rod is matched in the second horizontal smooth hole in a sliding mode; the middle part of the first connecting rod is hinged with the middle part of the second connecting rod; a sliding shaft on the side surface of one end of the second connecting rod is matched in the first horizontal smooth hole in a sliding mode, and the other end of the second connecting rod is hinged to the side surface of one end of the horizontal bottom plate; the shelf is horizontally arranged on two horizontal side rods of the U-shaped lifting frame.
Preferably, the U-shaped lifting frame is parallel to the fixed seat; the first horizontal sliding hole and the turbine are respectively arranged at two ends of the fixed seat.
Preferably, the second horizontal sliding hole corresponds to the first horizontal sliding hole in position and is the same in size.
One aspect of the present invention has the following advantageous effects:
when the driving device drives the first connecting rod to rotate clockwise through the worm and the worm wheel, the sliding shaft on the side surface of the first connecting rod and the sliding shaft on the side surface of the second connecting rod both slide to the rightmost end; the U-shaped lifting frame is lowered to drive the height of the shelf to be lowered; on the contrary, the sliding shaft on the side surface of the first connecting rod and the sliding shaft on the side surface of the second connecting rod both slide to the leftmost end, so that the U-shaped lifting frame is lifted, and the height of the shelf is driven to be increased; through single drive arrangement, realize the shelf and go up and down, avoid the problem that the shelf operation that a plurality of drive arrangement caused is asynchronous, simple structure, it is with low costs.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic lifting shelf device of a refrigerator according to the present invention installed in a refrigerator body;
FIG. 2 is a schematic structural view of the partition plate at the lowest position when the air duct is not installed in the refrigerator body according to the automatic lifting shelf device of the refrigerator of the present invention;
FIG. 3 is a schematic structural view of the partition plate at the highest position when the air duct is not installed in the refrigerator body according to the automatic lifting shelf device for a refrigerator of the present invention;
FIG. 4 is a schematic structural view of a shelf lifting device in an automatic lifting shelf device for a refrigerator according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-refrigerator body, 2-shelf, 3-air duct, 31-vertical rectangular sliding hole, 4-shelf lifting device, 41-fixed seat, 411-first horizontal, 42-U-shaped lifting frame, 421-horizontal bottom plate, 422-horizontal side rod, 423-second horizontal sliding hole, 43-first connecting rod, 44-second connecting rod, 45-driving device, 451-worm and 452-turbine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open," "upper," "middle," "length," "inner," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 to 4, the present invention is an automatic lifting shelf device for a refrigerator, comprising: the refrigerator comprises a refrigerator body 1, a shelf 2, an air duct 3 and a shelf lifting device 4; an air duct 3 is arranged on the back of the inner side of the refrigerator body 1; a shelf lifting device 4 is arranged on the back of the inner side of the refrigerator body 1; the shelf lifting device 4 is positioned inside the air duct 3; two vertical rectangular sliding holes 31 which are parallel to each other are formed in the side surface of the air duct 3;
the shelf lifting device 4 comprises a fixed seat 41 with a rectangular plate-shaped structure, a U-shaped lifting frame 42, a first connecting rod 43, a second connecting rod 44 and a driving device 45; the fixed seat 41 is horizontally arranged on the back of the inner side of the refrigerator body 1; the U-shaped lifting frame 42 comprises a horizontal bottom plate 421 and two horizontal side rods 422; the horizontal side rod 422 is matched in the vertical rectangular sliding hole 31 in a sliding way; a first horizontal sliding hole 411 is formed in the side surface of the fixed seat 41; a second horizontal sliding hole 423 corresponding to the first horizontal sliding hole 411 is formed in the side surface of the horizontal bottom plate 421, specifically, the U-shaped lifting frame 42 is parallel to the fixed base 41, the first horizontal sliding hole 411 and the turbine 452 are respectively arranged at two ends of the fixed base 41, and the second horizontal sliding hole 423 corresponds to the first horizontal sliding hole 411 in position and has the same size;
the driving device 45 is arranged at the back of the inner side of the refrigerator body 1, and specifically, the driving device is a stepping motor; the output end of the driving device 45 is connected with the worm 451; the worm 451 is meshed with the worm wheel 452; the rotating shaft of the turbine 452 passes through the side surface of the fixed seat 41 and is fixedly connected with one end of the first connecting rod 43, and the sliding shaft on the side surface of the other end of the first connecting rod 43 is matched in the second horizontal sliding hole 423 in a sliding manner; the middle part of the first connecting rod 43 is hinged with the middle part of the second connecting rod 44; a sliding shaft at one end side of the second connecting rod 44 is matched in the first horizontal sliding hole 411 in a sliding manner, and the other end of the second connecting rod 44 is hinged at one end side of the horizontal bottom plate 421; the shelf 2 is horizontally arranged on two horizontal side rods 422 of the U-shaped lifting frame 42.
Referring to fig. 2-3, when the driving device 45 drives the first link 43 to rotate clockwise via the worm 451 and the worm wheel 452, the sliding shaft on the side of the first link 43 and the sliding shaft on the side of the second link 44 both slide to the rightmost end; the U-shaped lifting frame 42 is lowered to drive the height of the shelf 2 to be lowered; when the driving device 45 drives the first connecting rod to rotate anticlockwise through the worm 451 and the worm wheel 452, the sliding shaft on the side surface of the first connecting rod 43 and the sliding shaft on the side surface of the second connecting rod 44 both slide to the leftmost end, so that the U-shaped lifting frame 42 is lifted, and the height of the shelf 2 is increased; through single drive arrangement 45, realize that shelf 2 goes up and down, avoid the problem of the shelf operation asynchronization that a plurality of drive arrangement caused, simple structure, it is with low costs.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. An automatic lifting shelf device of a refrigerator is characterized by comprising: the refrigerator comprises a refrigerator body (1), a shelf (2), an air duct (3) and a shelf lifting device (4); an air duct (3) is arranged on the back of the inner side of the refrigerator body (1); a shelf lifting device (4) is arranged on the back of the inner side of the refrigerator body (1); the shelf lifting device (4) is positioned inside the air duct (3); two vertical rectangular sliding holes (31) which are parallel to each other are formed in the side face of the air duct (3);
the shelf lifting device (4) comprises a fixed seat (41) with a rectangular plate-shaped structure, a U-shaped lifting frame (42), a first connecting rod (43), a second connecting rod (44) and a driving device (45); the fixed seat (41) is horizontally arranged on the back of the inner side of the refrigerator body (1); the U-shaped lifting frame (42) comprises a horizontal bottom plate (421) and two horizontal side rods (422); the horizontal side rod (422) is matched in a sliding way in the vertical rectangular sliding hole (31); a first horizontal sliding hole (411) is formed in the side surface of the fixed seat (41); a second horizontal sliding hole (423) corresponding to the first horizontal sliding hole (411) is formed in the side surface of the horizontal bottom plate (421);
the driving device (45) is arranged on the back of the inner side of the refrigerator body (1); the output end of the driving device (45) is connected with a worm (451); the worm (451) is meshed with a worm wheel (452); a rotating shaft of the turbine (452) penetrates through the side face of the fixed seat (41) and is fixedly connected with one end of a first connecting rod (43), and a sliding shaft on the side face of the other end of the first connecting rod (43) is matched in a second horizontal sliding hole (423) in a sliding mode; the middle part of the first connecting rod (43) is hinged with the middle part of the second connecting rod (44); a sliding shaft on one end side of the second connecting rod (44) is matched in the first horizontal sliding hole (411) in a sliding mode, and the other end of the second connecting rod (44) is hinged to one end side of the horizontal bottom plate (421); the shelf (2) is horizontally arranged on two horizontal side rods (422) of the U-shaped lifting frame (42).
2. An automatic lifting shelf device of refrigerator as claimed in claim 1, characterized in that said U-shaped lifting frame (42) is parallel to the fixed base (41); the first horizontal sliding hole (411) and the turbine (452) are respectively arranged at two ends of the fixed seat (41).
3. An automatic lifting shelf device for refrigerator according to claim 1 or 2, characterized in that said second horizontal sliding hole (423) corresponds to the first horizontal sliding hole (411) in position and has the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327691.1A CN111473597A (en) | 2020-04-23 | 2020-04-23 | Automatic lifting shelf device of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010327691.1A CN111473597A (en) | 2020-04-23 | 2020-04-23 | Automatic lifting shelf device of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111473597A true CN111473597A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010327691.1A Pending CN111473597A (en) | 2020-04-23 | 2020-04-23 | Automatic lifting shelf device of refrigerator |
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| CN (1) | CN111473597A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03225188A (en) * | 1990-01-30 | 1991-10-04 | Matsushita Refrig Co Ltd | Rack device for refrigerator |
| JPH07327754A (en) * | 1994-06-03 | 1995-12-19 | Noda Corp | Storing body |
| JP2003176977A (en) * | 2001-12-11 | 2003-06-27 | Mitsubishi Electric Corp | Refrigerator |
| KR100845150B1 (en) * | 2006-08-31 | 2008-07-09 | 주식회사 대창 | Shelf height adjuster for refrigerator |
| KR20100065501A (en) * | 2008-12-08 | 2010-06-17 | 엘지전자 주식회사 | A refrigerator and shelf height adjustment apparatus for refrigerator |
| KR20140059020A (en) * | 2012-11-07 | 2014-05-15 | 위니아만도 주식회사 | Shelf moving device |
| CN104596190A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Shelf and refrigerator having shelf |
| WO2015165494A1 (en) * | 2014-04-29 | 2015-11-05 | Arcelik Anonim Sirketi | Refrigeration appliance food carrier and a drive device for instantly adjusting height of such a food carrier |
| CN106032958A (en) * | 2015-01-07 | 2016-10-19 | 海信容声(广东)冰箱有限公司 | A refrigerator |
| CN109405394A (en) * | 2018-11-30 | 2019-03-01 | 裕克施乐塑料制品（太仓）有限公司 | A kind of refrigerator cold-storage interval regulating device and its working method |
| CN109631462A (en) * | 2018-12-18 | 2019-04-16 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN109855379A (en) * | 2019-03-22 | 2019-06-07 | 合肥华凌股份有限公司 | Elevating storage frame and refrigeration equipment |
-
2020
- 2020-04-23 CN CN202010327691.1A patent/CN111473597A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03225188A (en) * | 1990-01-30 | 1991-10-04 | Matsushita Refrig Co Ltd | Rack device for refrigerator |
| JPH07327754A (en) * | 1994-06-03 | 1995-12-19 | Noda Corp | Storing body |
| JP2003176977A (en) * | 2001-12-11 | 2003-06-27 | Mitsubishi Electric Corp | Refrigerator |
| KR100845150B1 (en) * | 2006-08-31 | 2008-07-09 | 주식회사 대창 | Shelf height adjuster for refrigerator |
| KR20100065501A (en) * | 2008-12-08 | 2010-06-17 | 엘지전자 주식회사 | A refrigerator and shelf height adjustment apparatus for refrigerator |
| KR20140059020A (en) * | 2012-11-07 | 2014-05-15 | 위니아만도 주식회사 | Shelf moving device |
| CN104596190A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Shelf and refrigerator having shelf |
| WO2015165494A1 (en) * | 2014-04-29 | 2015-11-05 | Arcelik Anonim Sirketi | Refrigeration appliance food carrier and a drive device for instantly adjusting height of such a food carrier |
| CN106032958A (en) * | 2015-01-07 | 2016-10-19 | 海信容声(广东)冰箱有限公司 | A refrigerator |
| CN109405394A (en) * | 2018-11-30 | 2019-03-01 | 裕克施乐塑料制品（太仓）有限公司 | A kind of refrigerator cold-storage interval regulating device and its working method |
| CN109631462A (en) * | 2018-12-18 | 2019-04-16 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
| CN109855379A (en) * | 2019-03-22 | 2019-06-07 | 合肥华凌股份有限公司 | Elevating storage frame and refrigeration equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200731 |