CN107388718B - Drawer assembly and refrigerator - Google Patents
Drawer assembly and refrigerator Download PDFInfo
- Publication number
- CN107388718B CN107388718B CN201710753223.9A CN201710753223A CN107388718B CN 107388718 B CN107388718 B CN 107388718B CN 201710753223 A CN201710753223 A CN 201710753223A CN 107388718 B CN107388718 B CN 107388718B
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- Prior art keywords
- lifting
- drawer
- assembly
- driving
- refrigerator
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000001174 ascending effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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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 a drawer assembly and a refrigerator, wherein the drawer assembly comprises a lifting assembly and a drawer body supported on the lifting assembly; the lifting assembly and the drawer body are accommodated in a box body of the refrigerator together and can be drawn out towards the outside of the box body in a sliding manner; the lifting assembly comprises a supporting mechanism, a lifting mechanism and a driving mechanism, wherein the lifting mechanism and the driving mechanism are respectively arranged on the supporting mechanism, and when the lifting assembly is pulled out of the refrigerator body, the lifting mechanism can lift the drawer body along the height direction of the refrigerator under the driving action of the driving mechanism. The height of the drawer assembly can be changed along with the lifting process, so that the convenience of operation of a user is improved.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a drawer assembly and a refrigerator applying the same.
Background
A refrigerator is a common storage apparatus, and in the refrigerator, a drawer is generally provided to receive articles. In the prior art, the height of a refrigerator drawer is fixed, so that the refrigerator drawer cannot adapt to the operation requirements of users with different heights, and particularly, when the user needs to take articles from the drawer arranged at the bottom of the refrigerator, the user needs to bend down to operate the refrigerator drawer. The technical scheme has the disadvantages that the height of the drawer of the refrigerator cannot be changed, and the operation of a user is inconvenient.
Disclosure of Invention
The invention mainly aims to provide a drawer assembly, aiming at solving the defects that the height of a drawer of a refrigerator cannot be changed and the operation of a user is inconvenient.
In order to achieve the above purpose, the drawer assembly provided by the invention comprises a lifting assembly and a drawer body supported on the lifting assembly; the lifting assembly and the drawer body are accommodated in a box body of the refrigerator together and can be drawn out towards the outside of the box body in a sliding manner; the lifting assembly comprises a supporting mechanism, a lifting mechanism and a driving mechanism, wherein the lifting mechanism and the driving mechanism are respectively arranged on the supporting mechanism, and when the lifting assembly is pulled out of the refrigerator body, the lifting mechanism can lift the drawer body along the height direction of the refrigerator under the driving action of the driving mechanism.
Preferably, the drawer assembly further comprises a switch in signal connection with the driving mechanism, and the switch sends an ascending signal or a descending signal to the driving mechanism according to the withdrawing position of the lifting assembly so as to realize the lifting of the drawer body.
Preferably, the lifting mechanism comprises a screw rod arranged along the height direction of the refrigerator and an internal thread piece in threaded connection with the screw rod; the driving mechanism is used for driving the screw rod to rotate, and the bottom of the drawer body is supported on the internal thread piece.
Preferably, the driving mechanism comprises a driving gear, a transmission gear, a synchronous belt and a driving unit for driving the driving gear to rotate; the driving gear and the transmission gear are arranged at intervals, and the rotating planes of the driving gear and the transmission gear are perpendicular to the extending direction of the screw rod; the synchronous belt is provided with racks respectively meshed with the driving gear and the transmission gear; the transmission gear is used for driving the screw rod to rotate.
Preferably, the transmission gear is provided with a mounting hole perpendicular to a rotation plane of the gear, and the screw rod is mounted in the mounting hole.
Preferably, the number of the transmission gears is four, the synchronous belt is annularly and circularly wound on the four transmission gears to form a rectangle, and the driving gear is arranged between the two transmission gears.
Preferably, the supporting mechanism is provided with a supporting plane perpendicular to the lifting direction and a supporting frame parallel to the lifting direction; the lifting mechanism further comprises a polished rod arranged in parallel with the screw rod at intervals, two ends of the polished rod are respectively fixed on the supporting frames, the driving gear, the transmission gear and the driving unit are respectively supported on the supporting plane, and one side of the transmission gear, which deviates from the supporting plane, is provided with the screw rod.
Preferably, the lifting assembly further comprises a lifting platform perpendicular to the length direction of the screw rod, a through hole is formed in the lifting platform along the length direction of the screw rod, the screw rod and the polish rod penetrate through the through hole, and the lifting platform is supported on the internal thread piece.
Preferably, the two sides of the drawer body are provided with abdicating grooves which are abdicating the lifting mechanism.
The invention also provides a refrigerator, which comprises a refrigerator body and the drawer assembly, wherein the drawer assembly is contained in the refrigerator body.
According to the technical scheme, the drawer body of the drawer assembly is supported by the lifting assembly, the lifting assembly and the drawer body are contained in the box body of the refrigerator together, the lifting assembly can be drawn out towards the outside of the box body in a sliding mode, the drawer body can be drawn out to the outside of the box body along with the lifting assembly, the lifting mechanism and the driving mechanism of the lifting assembly are installed on the supporting mechanism respectively, and when the lifting assembly is drawn out of the box body, the lifting mechanism can lift the drawer body in the height direction of the refrigerator under the driving action of the driving mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
FIG. 2 is an exploded view of the refrigerator shown in FIG. 1;
FIG. 3 is a schematic structural view of an embodiment of a lifting assembly of the drawer assembly of the present invention;
FIG. 4 is an exploded view of the lift assembly shown in FIG. 3;
FIG. 5 is a schematic view of the connection of the lead screw and polished rod to other components of the lift assembly shown in FIG. 3;
FIG. 6 is a schematic diagram of the drive mechanism in the lift assembly shown in FIG. 3;
fig. 7 is a schematic view of the connection between the lifting mechanism and the driving mechanism shown in fig. 3.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Drawer component | 110 | Drawer body |
| 111 | Abdicating groove | 130 | Lifting assembly |
| 140 | Supporting mechanism | 141 | Support plane |
| 142 | Supporting frame | 144 | Support frame |
| 145 | Top fixing seat | 146 | Bottom fixing seat |
| 147 | Shaft sleeve | 150 | Lifting mechanism |
| 151 | Screw mandrel | 152 | Internal thread piece |
| 153 | Lifting platform | 154 | First through hole |
| 155 | Containing hole | 156 | Second through hole |
| 157 | Polish rod | 160 | Driving mechanism |
| 161 | Driving gear | 162 | Transmission gear |
| 163 | Synchronous belt | 164 | Drive unit |
| 170 | Sliding rail | 180 | Sliding chute |
| 200 | Box body | 300 | Door body |
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a drawer assembly 100.
Referring to fig. 1 to 7, in an embodiment of the present invention, to achieve the above object, the drawer assembly 100 includes a lifting assembly 130 and a drawer body 110 supported by the lifting assembly 130; the lifting assembly 130 and the drawer body 110 are accommodated in a refrigerator body 200 of the refrigerator together and can be drawn out towards the outside of the refrigerator body 200 in a sliding manner; the lifting assembly 130 includes a supporting mechanism 140, and a lifting mechanism 150 and a driving mechanism 160 respectively mounted on the supporting mechanism 140, and when the lifting assembly 130 is drawn out of the refrigerator body 200, the lifting mechanism 150 can lift the drawer body 110 in the height direction of the refrigerator under the driving action of the driving mechanism 160.
In the technical scheme of the invention, the drawer body 110 of the drawer assembly 100 is supported by the lifting assembly 130, the lifting assembly 130 and the drawer body 110 are accommodated in the refrigerator body 200 of the refrigerator together, the lifting assembly 130 can be drawn out in a sliding manner towards the outside of the refrigerator body 200, and then the drawer body 110 can be drawn out to the outside of the refrigerator body 200 along with the lifting assembly 130, the lifting mechanism 150 and the driving mechanism 160 of the lifting assembly 130 are respectively installed on the supporting mechanism 140, when the lifting assembly 130 is drawn out of the refrigerator body 200, the lifting mechanism 150 can lift the drawer body 110 along the height direction of the refrigerator under the driving action of the driving mechanism 160, therefore, the drawer assembly 100 in the invention can lift along the height direction of the refrigerator, the height of the refrigerator drawer can be changed along with the lifting process, and convenience in operation of a user can.
Specifically, the lifting assembly 130 can be drawn out of the box 200 by providing the sliding rail 170 and the sliding groove 180. For example, a sliding groove 180 is respectively installed at both sides of the inner container of the refrigerator along a predetermined drawer drawing direction, a sliding rail 170 slidably connected to the sliding groove 180 is provided at each sliding groove 180, and the lifting assembly 130 is fixedly connected to the sliding rail 170 to slide out or into the box 200 along with the sliding rail 170. The drawer body 110 is supported by the lifting assembly 130, for example, the drawer body 110 may be directly placed on the supporting mechanism 140 of the lifting assembly 130, the drawer body 110 may be connected to the lifting assembly 130 in a detachable or fixed connection manner, and a limiting structure may be disposed through the supporting mechanism 140 to prevent the drawer assembly 100 from falling down during the lifting process. In this embodiment, two brackets 144 fixedly connected to the sliding rail 170 are respectively disposed on two sides of the supporting mechanism 140, and two sides of the drawer body 110 are limited between the two brackets 144. The side of the lifting assembly 130 facing away from the cabinet 200 is connected to the door 300.
In a preferred embodiment of the present invention, the drawer assembly 100 further includes a switch in signal connection with the driving mechanism 160, and the switch sends an ascending signal or a descending signal to the driving mechanism 160 according to the drawn position of the lifting assembly 130, so as to lift the drawer body 110. This switch can be position-sensing switch, and when drawer body 110 set up in the refrigerator bottom, specific control process can be: when sensing that the lifting assembly 130 is drawn out to the set position, sending a lifting signal to the driving mechanism 160, so that the driving mechanism 160 drives the lifting mechanism 150 to lift the drawer body 110 until the drawer body is lifted to the set height; when the lifting assembly 130 is sensed to be away from the set position (for example, the user pushes the drawer body 110 back to push the lifting assembly 130 back), a descending signal is sent to the driving mechanism 160, so that the driving mechanism 160 drives the lifting mechanism 150 to descend the drawer body 110 until the initial height is reached. The lifting speed can be set as required, and in this embodiment, when the drawer body 110 is returned to the initial height, the drawer body 110 can be closed to the initial position. Of course, if the drawer body 110 is disposed on the top of the refrigerator, when the lifting assembly 130 is pulled out to the set position, a descending signal may be sent to the driving mechanism 160, so that the driving mechanism 160 drives the lifting mechanism 150 to descend the drawer body 110, and when the lifting assembly 130 leaves the set position, an ascending signal may be sent to the driving mechanism 160, so that the driving mechanism 160 drives the lifting mechanism 150 to ascend the drawer body 110 to the initial height.
In this embodiment, the switch is a travel switch that is activated when the drawer is pulled out to a set position (e.g., the outermost end). A travel switch may be mounted on the slide channel 180 that is triggered when the slide 170 is withdrawn to a position where the travel switch is mounted, thereby initiating the lifting process, and returning the drawer assembly 100 to the initial height when the slide 170 is pushed back out of the travel switch.
Referring to fig. 3 to 7 again, preferably, the lifting mechanism 150 includes a screw rod 151 disposed along a height direction of the refrigerator and an internal screw 152 threadedly connected with the screw rod 151; the driving mechanism 160 is used for driving the screw rod 151 to rotate, and the bottom of the drawer body 110 is supported by the internal thread 152. When the screw rod 151 rotates, the internal thread member 152 rises along the height of the screw rod 151, and the drawer body 110 is supported by the internal thread member 152, so that the drawer body 110 rises along with the internal thread member 152, and when the screw rod 151 rotates reversely, the internal thread member 152 falls along the height of the screw rod 151, and the drawer body 110 falls along with the internal thread member 152. To improve the supporting effect, a supporting structure for supporting the drawer body 110 may be provided on an outer sidewall of the internal screw 152. In this embodiment, the internal thread member 152 is a lead screw nut.
More preferably, the driving mechanism 160 includes a driving gear 161, a transmission gear 162, a timing belt 163, and a driving unit 164 for driving the driving gear 161 to rotate; the driving gear 161 and the transmission gear 162 are arranged at intervals, and the rotating planes of the driving gear 161 and the transmission gear 162 are arranged perpendicular to the extending direction of the screw rod 151; the synchronous belt 163 is provided with racks respectively meshed with the driving gear 161 and the transmission gear 162; the transmission gear 162 is used for driving the screw rod 151 to rotate. In this embodiment, the driving unit 164 is a driving motor, the number of the driving gears 161 and the transmission gears 162 is not limited, only one driving gear 161 and at least one transmission gear 162 may be provided, and the timing belt 163 may be annularly wound around each of the driving gear 161 and the transmission gear 162. The output torque of the driving motor is transmitted to the timing belt 163 through the driving gear 161, and the timing belt 163 transmits the driving force to the transmission gear 162 to rotate the screw rod 151.
Further, the transmission gear 162 is provided with a mounting hole perpendicular to the rotation plane of the gear, and the screw rod 151 is mounted in the mounting hole. The driving mechanism 160 may be installed at any position of the top end, the bottom end, or between both ends of the screw 151. In order to reduce the height of the entire lifting mechanism 150, a driving mechanism 160 may be provided at the bottom of the screw rod 151, and the mounting hole may be opened at the top of the transmission gear 162.
Furthermore, the number of the transmission gears 162 is four, the synchronous belt 163 is annularly enclosed around the four transmission gears 162 to form a rectangle, and the driving gear 161 is disposed between the two transmission gears 162. The number of the transmission gears 162 is not limited thereto. In this embodiment, the number of the transmission gears 162 is four, and the synchronous belt 163 is annularly wound around the four transmission gears 162 to form a rectangle, and since each transmission gear 162 can drive one screw rod 151 to rotate and the internal thread member 152 is in threaded connection with the screw rod 151, the four transmission gears 162 can drive the four internal thread members 152 to move up and down, so that the four internal thread members 152 can form four supporting points of the drawer assembly 100, which is beneficial to realizing stable support of the drawer assembly 100 and preventing the drawer assembly 100 from tilting during moving up and down.
Specifically, the supporting mechanism 140 is provided with a supporting plane 141 perpendicular to the lifting direction and a supporting frame 142 parallel to the lifting direction; the lifting mechanism 150 further includes a polish rod 157 parallel to the lead screw 151 and disposed at an interval, two ends of the polish rod 157 are respectively fixed to the support frame 142, the driving gear 161, the transmission gear 162 and the driving unit 164 are respectively supported on the support plane 141, and one side of the transmission gear 162 departing from the support plane 141 is provided with the lead screw 151. In this embodiment, at least one polish rod 157 is disposed in parallel and spaced apart beside each lead screw 151 to improve the supporting strength in the vertical direction. Two ends of the polish rod 157 are respectively fixed to the support frame 142, specifically, a top fixing seat 145 can be arranged above the polish rod 157 and the lead screw 151, a bottom fixing seat 146 is arranged below the polish rod 157 and the lead screw 151, and two ends of the polish rod 157 are respectively fixed to the top fixing seat 145 and the bottom fixing seat 146; the top end of the screw rod 151 is sleeved with the shaft sleeve 147, the shaft sleeve 147 is fixed on the top fixing seat 145 to fix the top end of the screw rod 151, the bottom end of the screw rod 151 is installed together with the transmission gear 162, and the transmission gear 162 is installed on the bottom fixing seat 146 to fix the bottom end of the screw rod 151.
Preferably, the lifting assembly 130 further includes a lifting platform 153 perpendicular to the length direction of the screw rod 151, a through hole is formed in the lifting platform 153 along the length direction of the screw rod 151, the screw rod 151 and the polish rod 157 pass through the through hole, and the lifting platform 153 is supported by the internal thread 152. The lifting platform 153 includes a top surface and a bottom surface which are oppositely arranged, a first through hole 154 may be formed on the bottom surface of the lifting platform 153 for passing through the polish rod 157, and a stepped hole may be formed. In the stepped hole, a hole close to the bottom surface of the lifting platform 153 is an accommodating hole 155, a hole close to the top surface of the lifting platform 153 is a second through hole 156, and the aperture of the accommodating hole 155 is larger than that of the second through hole 156, so that the screw rod 151 can penetrate out of the second through hole 156, the internal thread member 152 can be supported at the bottom of the accommodating hole 155 to support the lifting platform 153 through the internal thread member 152, the lifting platform 153 is driven to lift, and the drawer body 110 is disposed on the top surface of the lifting platform 153. Meanwhile, the sidewall of the hole wall of the accommodating hole 155 can also prevent the lifting platform 153 from shifting from the internal thread 152, which is beneficial to realizing the support in the vertical direction and the limit in the horizontal direction for the lifting platform 153.
More preferably, the drawer body 110 has a pair of recess grooves 111 formed at both sides thereof for receiving the lifting mechanism 150. The receding groove 111 can recede from the elevating mechanism 150, and therefore, the drawer body 110 does not interfere with the rotation of the screw rod 151.
In the process of installing the drawer assembly 100, the bottom fixing seat 146 may be installed at the bottom end of the supporting mechanism 140, then the transmission gear 162, the lead screw 151, the polish rod 157 and the internal screw 152 are installed, the top fixing hole is provided at the upper portion of the supporting mechanism 140, the top fixing seat 145 is installed in the top fixing hole, and then the whole lifting mechanism 150 is fixed on the supporting mechanism 140.
Referring to fig. 1 and 2, the present invention further provides a refrigerator, which includes a box 200 and the drawer assembly 100 as described above, wherein the drawer assembly 100 is accommodated in the box 200. The specific structure of the drawer assembly 100 refers to the above embodiments, and since the refrigerator adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A drawer assembly, wherein the drawer assembly comprises a lifting assembly and a drawer body supported on the lifting assembly; the lifting assembly and the drawer body are accommodated in a box body of the refrigerator together and can be drawn out towards the outside of the box body in a sliding manner; the lifting assembly comprises a supporting mechanism, a lifting mechanism and a driving mechanism, wherein the lifting mechanism and the driving mechanism are respectively arranged on the supporting mechanism, and when the lifting assembly is pulled out of the refrigerator body, the lifting mechanism can lift the drawer body along the height direction of the refrigerator under the driving action of the driving mechanism; the supporting mechanism is provided with a supporting frame parallel to the lifting direction; the lifting mechanism comprises a screw rod arranged along the height direction of the refrigerator, a polished rod arranged parallel to the screw rod at intervals and an internal thread part in threaded connection with the screw rod, and two ends of the polished rod are respectively fixed on the support frame; the driving mechanism is used for driving the screw rod to rotate, and the bottom of the drawer body is supported on the internal thread piece.
2. The drawer assembly of claim 1, further comprising a switch in signal communication with the drive mechanism, the switch configured to send an up signal or a down signal to the drive mechanism to effect the raising and lowering of the drawer body based on the withdrawn position of the lift assembly.
3. The drawer assembly of claim 1, wherein the driving mechanism comprises a driving gear, a transmission gear, a timing belt, and a driving unit for driving the driving gear to rotate; the driving gear and the transmission gear are arranged at intervals, and the rotating planes of the driving gear and the transmission gear are perpendicular to the extending direction of the screw rod; the synchronous belt is provided with racks respectively meshed with the driving gear and the transmission gear; the transmission gear is used for driving the screw rod to rotate.
4. The drawer assembly of claim 3, wherein the transmission gear has a mounting hole formed therein perpendicular to a rotation plane of the gear, and the lead screw is mounted to the mounting hole.
5. The drawer assembly of claim 3, wherein the number of the transmission gears is four, the timing belt is annularly wound around the four transmission gears to form a rectangle, and the driving gear is arranged between the two transmission gears.
6. The drawer assembly of any one of claims 3 to 5, wherein the support mechanism is further provided with a support plane perpendicular to the lifting direction; the two ends of the polish rod are respectively fixed on the supporting frames, the driving gear, the transmission gear and the driving unit are respectively supported on the supporting plane, and the lead screw is installed on one side of the transmission gear, which deviates from the supporting plane.
7. The drawer assembly of claim 6, wherein the lifting assembly further comprises a lifting platform disposed perpendicular to the length of the threaded rod, the lifting platform having a through hole formed therein along the length of the threaded rod, the threaded rod and the threaded rod passing through the through hole, the lifting platform being supported by the internal threaded member.
8. The drawer assembly of any one of claims 1 to 5, wherein the drawer body is provided with a recess at both sides for the lifting mechanism.
9. A refrigerator comprising a cabinet and a drawer assembly as claimed in any one of claims 1 to 8, said drawer assembly being received in said cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753223.9A CN107388718B (en) | 2017-08-25 | 2017-08-25 | Drawer assembly and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753223.9A CN107388718B (en) | 2017-08-25 | 2017-08-25 | Drawer assembly and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107388718A CN107388718A (en) | 2017-11-24 |
| CN107388718B true CN107388718B (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753223.9A Expired - Fee Related CN107388718B (en) | 2017-08-25 | 2017-08-25 | Drawer assembly and refrigerator |
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| Country | Link |
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| CN (1) | CN107388718B (en) |
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| KR20210007639A (en) | 2019-07-12 | 2021-01-20 | 엘지전자 주식회사 | Refrigerator |
| KR20210008707A (en) | 2019-07-15 | 2021-01-25 | 엘지전자 주식회사 | Refrigerator and control method thereof |
| KR20210008709A (en) | 2019-07-15 | 2021-01-25 | 엘지전자 주식회사 | Refrigerator and control method thereof |
| CN111577828B (en) * | 2020-04-01 | 2021-11-12 | 合肥华凌股份有限公司 | Connecting assembly, synchronous belt mechanism and household appliance |
| CN112902530B (en) * | 2021-03-12 | 2023-01-31 | 杭州创式云科技有限公司 | Beautiful refrigerator of making up of intelligence |
| CN115868749A (en) * | 2021-09-30 | 2023-03-31 | 合肥美的电冰箱有限公司 | Storing cabinet |
| CN114017972B (en) * | 2021-12-07 | 2023-11-03 | 重庆海尔制冷电器有限公司 | Refrigerator and control method thereof |
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| WO2008130114A1 (en) * | 2007-04-20 | 2008-10-30 | Lg Electronics Inc. | Refrigerator and structure for adjusting height of shelf therefor |
| KR20100085272A (en) * | 2009-01-20 | 2010-07-29 | 주식회사 대우일렉트로닉스 | Device for lifting shelf for a refrigerator |
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| CN202511557U (en) * | 2012-04-24 | 2012-10-31 | 合肥晶弘电器有限公司 | Lift type shelf of refrigerator |
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| CN204743091U (en) * | 2015-07-22 | 2015-11-11 | 刘记 | Desk with board is write to hidden drawing |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107388718A (en) | 2017-11-24 |
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