CN109916129B - Automatic expansion device of refrigerator drawer - Google Patents
Automatic expansion device of refrigerator drawer Download PDFInfo
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- CN109916129B CN109916129B CN201910230964.8A CN201910230964A CN109916129B CN 109916129 B CN109916129 B CN 109916129B CN 201910230964 A CN201910230964 A CN 201910230964A CN 109916129 B CN109916129 B CN 109916129B
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Abstract
The invention relates to an automatic telescopic device of a refrigerator drawer, which comprises the refrigerator drawer, a lower layer driving guide part, a middle layer moving part and an upper layer moving part. The lower layer driving guide part is fixedly connected to the bottom of the refrigerator inner container through the bottom plate, the middle layer moving part is arranged on the lower layer driving guide part, the upper layer moving part comprises a supporting plate arranged on the middle layer moving part, and the upper plane of a housing of the supporting plate is connected with the bottom of a refrigerator drawer. According to the relative motion principle, the two mechanisms are adopted to respectively move the drawer of the refrigerator for a distance, and the sum of the two distances meets the requirement of the moving distance of the drawer of the refrigerator. The invention is convenient to use, and the movement of each mechanism is controlled by the motor, thereby realizing the automatic extension function of the drawer of the refrigerator.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an automatic telescopic device for a drawer of a refrigerator.
Background
At present, most of household refrigerators have the drawer stretching realized manually, so that the use is inconvenient, and the manual pulling of the refrigerator drawer is often uneven in stress when pulled, so that the refrigerator drawer is clamped in a refrigerator body and cannot be pulled, especially the drawer of a large-sized refrigerator. If the refrigerator drawer is designed into an automatic telescopic device, no space can be adopted to move the refrigerator drawer out at one time by adopting a certain mechanism due to the limitation of the space of the refrigerator body.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic telescopic device for a refrigerator drawer.
The specific technical solution is as follows:
an automatic telescopic device for a refrigerator drawer comprises a refrigerator drawer 16, a lower layer driving guide part, a middle layer moving part and an upper layer moving part.
The base driving guide part comprises a bottom plate 1, a side support frame 2, a side motor 3, a gear 4, a lower layer track 14 and an adjusting plate support 15.
The bottom plate 1 is a strip-shaped plate. The upper plane of the bottom plate 1 is fixedly connected with an adjusting plate support 15 along the length direction, and the adjusting plate support 15 is a T-shaped long body. The upper plane of the adjusting plate support 15 is fixedly connected with a lower layer track 14, and the lower layer track 14 is a track with an omega-shaped cross section. The side support frame 2 is installed at one side of the rear portion of the adjusting plate support 15. The side support frame 2 is an L-shaped support, the bottom surface of the side support frame 2 is connected to the upper plane of the bottom plate 1, and the right-angle surface of the support frame 2 is connected with the side motor 3. The axis of the main shaft of the side motor 3 is perpendicular to the lower layer track 14, and the main shaft of the side motor 3 is connected with the gear 4 in a key mode.
The middle-layer moving part comprises a rack 5, an upper-layer adjusting plate 6, an upper-layer guide rail 7, a main motor 11, a rolling screw rod, a main support frame 12 and a lower-layer guide rail 13.
The upper adjusting plate 6 is a strip-shaped plate. The lower guide rail 13 is a track with a semi-arc groove-shaped cross section, the lower guide rail 13 is fixedly connected to the symmetrical center line of the lower plane wide edge of the upper adjusting plate 6, and the semi-arc notch of the lower guide rail 13 faces downwards. The rack 5 is arranged on the outer side edge along the length direction of the upper adjusting plate 6 and is fixedly connected with the lower plane of the upper adjusting plate 6. The rack 5 is arranged parallel to the lower guide rail 13.
The upper plane of the upper layer adjusting plate 6 is respectively provided with a main supporting frame 12 and an upper layer guide rail 7. The upper layer guide rail 7 is a convex rail with a cross section and is fixed on the upper plane of the upper layer adjusting plate 6. The main supporting frame 12 is an L-shaped bracket, and the bottom surface of the main supporting frame 12 is fixedly connected with the right front surface of the upper plane of the upper layer adjusting plate 6. The right-angled surface of main support frame 12 is connected with main motor 11. The axis of the main shaft of the main motor 11 is coplanar and parallel to the central line of the track of the upper-layer guide rail 7, and the main shaft of the main motor 11 is connected with a rolling screw rod in a key way.
The upper layer moving part comprises a supporting plate 8, a sliding part 9, a rolling screw rod support 10 and a refrigerator drawer 16.
The supporting plate 8 is a rectangular housing, and the bottom surface of the housing of the supporting plate 8 is connected with the sliding part 9. The sliding part 9 is of a groove shape in cross section, and the groove opening of the sliding part 9 faces downwards. The front end surface of the housing of the supporting plate 8 is connected with a rolling screw support 10. The upper plane of the housing of tray 8 is attached to the bottom of refrigerator drawer 16.
The lower layer driving guide part is fixedly connected to the bottom of the refrigerator inner container 17 through the bottom plate 1, and the side motor 3 of the lower layer driving guide part is arranged at an outer opening of the refrigerator inner container 17.
The middle layer moving part is arranged on the lower layer driving guide part, the semi-arc groove of the lower layer guide rail 13 corresponds to the omega-shaped rail of the lower layer rail 14, and the two are in sliding fit contact. A gear 4 on a main shaft of a motor 3 at the side of the lower layer driving guide part is meshed with a rack 5 of the middle layer moving part, and the rack module of the rack 5 is the same as the gear module of the gear 4.
The upper layer moving part is arranged on the middle layer moving part, and the groove opening of the sliding piece 9 of the upper layer moving part corresponds to the convex track of the upper layer guide rail 7 of the middle layer moving part and is in sliding fit contact with the convex track. The main motor 11 of the middle moving part is connected to the rolling screw support 10 of the upper moving part through a rolling screw rod. The upper surface of the shell of the supporting plate 8 is slightly higher than the upper surface of the L-shaped bracket of the main supporting frame 12.
The maximum travel distance of the refrigerator drawer which automatically stretches and retracts is Y, the maximum travel distance of the middle layer moving part is L1, the maximum travel distance of the upper layer moving part is L2, the condition Y = L1+ L2 is met, and L1> Y/2> L2.
Compared with the prior art, the invention has the advantages that:
1. the invention is convenient to use, and fundamentally solves the problem that the refrigerator drawer is manually stretched in the prior art;
2. according to the relative motion principle, the two mechanisms are adopted to respectively move the drawer of the refrigerator for a distance, and the sum of the two distances meets the requirement of the moving distance of the drawer of the refrigerator. The movement of each mechanism is controlled through the motor, and the automatic telescopic function of the refrigerator drawer is achieved.
Drawings
Fig. 1 is an assembly schematic of the present invention (excluding the refrigerator drawer).
Fig. 2 is a schematic view of the connection of the main motor, the ball screw and the ball screw support.
FIG. 3 is a schematic view of the connection between the middle moving part and the sliding part.
Fig. 4 is a schematic diagram of the maximum stroke distance L1 of the middle layer moving part.
Fig. 5 is a schematic diagram of the maximum stroke distance L2 of the upper layer moving part.
Fig. 6 is a schematic view of the general assembly of the present invention.
Fig. 7 is a schematic diagram of the practical use of the present invention.
Number in the figure: the refrigerator comprises a base plate 1, side supporting frames 2, side motors 3, gears 4, racks 5, an upper adjusting plate 6, an upper rail 7, a supporting plate 8, a sliding piece 9, a rolling screw rod support 10, a main motor 11, a main support frame 12, a lower guide rail 13, a lower rail 14, an adjusting plate support 15, a refrigerator drawer 16 and a refrigerator liner 17.
Detailed Description
The invention is further illustrated by the following examples.
The first embodiment is as follows:
see fig. 1, 6. An automatic telescopic device for a refrigerator drawer comprises a refrigerator drawer 16, a lower layer driving guide part, a middle layer moving part and an upper layer moving part.
See fig. 1. The base driving guide part comprises a bottom plate 1, a side support frame 2, a side motor 3, a gear 4, a lower layer track 14 and an adjusting plate support 15.
The bottom plate 1 is a strip-shaped plate. The upper plane of the bottom plate 1 is fixedly connected with an adjusting plate support 15 along the length direction, and the adjusting plate support 15 is a T-shaped long body. The upper plane of the adjusting plate support 15 is fixedly connected with a lower layer track 14, and the lower layer track 14 is a track with an omega-shaped cross section. The side support frame 2 is installed at one side of the rear portion of the adjusting plate support 15. The side support frame 2 is an L-shaped support, the bottom surface of the side support frame 2 is connected to the upper plane of the bottom plate 1, and the right-angle surface of the support frame 2 is connected with the side motor 3. The axis of the main shaft of the side motor 3 is perpendicular to the lower layer track 14, and the main shaft of the side motor 3 is connected with the gear 4 in a key mode.
See fig. 1, 3. The middle-layer moving part comprises a rack 5, an upper-layer adjusting plate 6, an upper-layer guide rail 7, a main motor 11, a rolling screw rod, a main support frame 12 and a lower-layer guide rail 13.
The upper adjusting plate 6 is a strip-shaped plate. The lower guide rail 13 is a track with a semi-arc groove-shaped cross section, the lower guide rail 13 is fixedly connected to the symmetrical center line of the lower plane wide edge of the upper adjusting plate 6, and the semi-arc notch of the lower guide rail 13 faces downwards. The rack 5 is arranged on the outer side edge along the length direction of the upper adjusting plate 6 and is fixedly connected with the lower plane of the upper adjusting plate 6. The rack 5 is arranged parallel to the lower guide rail 13.
See fig. 1, 2. The upper plane of the upper layer adjusting plate 6 is respectively provided with a main supporting frame 12 and an upper layer guide rail 7. The upper layer guide rail 7 is a convex rail with a cross section and is fixed on the upper plane of the upper layer adjusting plate 6. The main supporting frame 12 is an L-shaped bracket, and the bottom surface of the main supporting frame 12 is fixedly connected with the right front surface of the upper plane of the upper layer adjusting plate 6. The right-angled surface of main support frame 12 is connected with main motor 11. The axis of the main shaft of the main motor 11 is coplanar and parallel to the central line of the track of the upper-layer guide rail 7, and the main shaft of the main motor 11 is connected with a rolling screw rod in a key way.
The upper layer moving part comprises a supporting plate 8, a sliding part 9, a rolling screw rod support 10 and a refrigerator drawer 16.
The supporting plate 8 is a rectangular housing, and the bottom surface of the housing of the supporting plate 8 is connected with the sliding part 9. The sliding part 9 is of a groove shape in cross section, and the groove opening of the sliding part 9 faces downwards. The front end surface of the housing of the supporting plate 8 is connected with a rolling screw support 10. The upper plane of the housing of tray 8 is attached to the bottom of refrigerator drawer 16.
See fig. 7. The lower layer driving guide part is fixedly connected to the bottom of the refrigerator inner container 17 through the bottom plate 1, and the side motor 3 of the lower layer driving guide part is arranged at an outer opening of the refrigerator inner container 17.
See fig. 1. The middle layer moving part is arranged on the lower layer driving guide part, the semi-arc groove of the lower layer guide rail 13 corresponds to the omega-shaped rail of the lower layer rail 14, and the two are in sliding fit contact. A gear 4 on a main shaft of a motor 3 at the side of the lower layer driving guide part is meshed with a rack 5 of the middle layer moving part, and the rack module of the rack 5 is the same as the gear module of the gear 4.
The upper layer moving part is arranged on the middle layer moving part, and the groove opening of the sliding piece 9 of the upper layer moving part corresponds to the convex track of the upper layer guide rail 7 of the middle layer moving part and is in sliding fit contact with the convex track. The main motor 11 of the middle moving part is connected to the rolling screw support 10 of the upper moving part through a rolling screw rod. The upper surface of the shell of the supporting plate 8 is slightly higher than the upper surface of the L-shaped bracket of the main supporting frame 12.
The working principle of the invention is as follows:
automatic extension process of refrigerator drawer:
see fig. 4. When the side motor 3 is started, the gear 4 on the main shaft of the side motor 3 is meshed with the rack 5 to drive the middle layer moving part and the upper layer moving part to travel together for the maximum L1 distance. See fig. 5. The main motor 11 is started through the travel switch, and the screw rod of the rolling screw rod rotates to drag the upper moving part to travel for the maximum L2 distance. Referring to fig. 7, the refrigerator drawer is extended from the refrigerator cabinet liner 17;
secondly, the automatic retraction process of the refrigerator drawer:
the main motor 11 is started. The upper layer moving part walks back by the maximum L2 distance. Then the side motor 3 is started through a travel switch to drive the middle layer moving part and the upper layer moving part to jointly return to travel for the maximum L1 distance. The refrigerator drawer retracts into the refrigerator inner container 17;
the maximum travel distance of the automatic extension and retraction of the refrigerator drawer is Y, the condition Y = L1+ L2 is met, and L1> Y/2> L2.
Claims (4)
1. An automatic telescopic device of refrigerator drawer, includes refrigerator drawer (16), its characterized in that: the device also comprises a lower layer driving guide part, a middle layer moving part and an upper layer moving part;
the lower layer driving guide part comprises a bottom plate (1), a side support frame (2), a side motor (3), a gear (4), a lower layer track (14) and an adjusting plate support (15);
the bottom plate (1) is a strip-shaped plate; the upper plane of the bottom plate (1) is fixedly connected with an adjusting plate support (15) along the length direction, and the adjusting plate support (15) is a T-shaped strip body; the upper plane of the adjusting plate support (15) is fixedly connected with a lower layer track (14), and the cross section of the lower layer track (14) is an omega-shaped track; a side supporting frame (2) is arranged on one side of the rear part of the adjusting plate support (15); the side supporting frame (2) is an L-shaped support, the bottom surface of the side supporting frame (2) is connected to the upper plane of the bottom plate (1), and the right-angle surface of the side supporting frame (2) is connected with the side motor (3);
the axis of a main shaft of the side motor (3) is vertical to the lower layer track (14), and the main shaft of the side motor (3) is connected with the gear (4) in a key mode;
the middle-layer moving part comprises a rack (5), an upper-layer adjusting plate (6), an upper-layer guide rail (7), a main motor (11), a rolling screw rod, a main support frame (12) and a lower-layer guide rail (13);
the upper layer adjusting plate (6) is a strip-shaped plate; the lower-layer guide rail (13) is a track with a semi-arc groove-shaped cross section, the lower-layer guide rail (13) is fixedly connected to the symmetrical center line of the lower plane broadside of the upper-layer adjusting plate (6), and the semi-arc notch of the lower-layer guide rail (13) faces downwards; the rack (5) is arranged on the outer side edge along the length direction of the upper layer adjusting plate (6) and is fixedly connected with the lower plane of the upper layer adjusting plate (6); the rack (5) is arranged in parallel to the lower guide rail (13);
the upper plane of the upper layer adjusting plate (6) is respectively provided with a main supporting frame (12) and an upper layer guide rail (7); the upper-layer guide rail (7) is a track with a convex cross section and is fixed on the upper plane of the upper-layer adjusting plate (6); the main supporting frame (12) is an L-shaped support, and the bottom surface of the main supporting frame (12) is fixedly connected with the front surface of the upper plane of the upper layer adjusting plate (6); the right-angle surface of the main support frame (12) is connected with a main motor (11); the axis of a main shaft of the main motor (11) is coplanar and parallel with the central line of the track of the upper-layer guide rail (7), and the main shaft of the main motor (11) is connected with a rolling screw rod in a key way;
the upper layer moving part comprises a supporting plate (8), a sliding part (9) and a rolling screw rod support (10);
the supporting plate (8) is a rectangular housing, and the bottom surface of the housing of the supporting plate (8) is connected with a sliding piece (9); the sliding part (9) is of a groove shape in cross section, and a groove opening of the sliding part (9) faces downwards; the front end surface of the housing of the supporting plate (8) is connected with a rolling screw support (10); the upper plane of the housing of the supporting plate (8) is connected with the bottom of a refrigerator drawer (16);
the lower layer driving guide part is fixedly connected to the bottom of the refrigerator inner container (17) through a bottom plate (1), and a side motor (3) of the lower layer driving guide part is arranged at an outer opening of the refrigerator inner container (17);
the middle-layer moving part is arranged on the lower-layer driving guide part, and the semi-arc groove of the lower-layer guide rail (13) corresponds to the omega-shaped track of the lower-layer track (14) and is in sliding fit contact with the omega-shaped track;
a gear (4) on a main shaft of the motor (3) at the lower layer drive guide part side is meshed with a rack (5) of the middle layer moving part;
the upper layer moving part is arranged on the middle layer moving part, and a groove opening of a sliding piece (9) of the upper layer moving part corresponds to a convex track of an upper layer guide rail (7) of the middle layer moving part and is in sliding fit contact with the convex track; the main motor (11) of the middle moving part is connected to the rolling screw rod support (10) of the upper moving part through a rolling screw rod.
2. The automatic telescopic device for the drawer of the refrigerator as claimed in claim 1, wherein: the rack module of the rack (5) is the same as the gear module of the gear (4).
3. The automatic telescopic device for the drawer of the refrigerator as claimed in claim 1, wherein: the upper surface of the housing of the supporting plate (8) is slightly higher than the upper surface of the L-shaped bracket of the main supporting frame (12).
4. The automatic telescopic device for the drawer of the refrigerator as claimed in claim 1, wherein: the maximum travel distance of the refrigerator drawer which automatically stretches and retracts is Y, the maximum travel distance of the middle layer moving part is L1, the maximum travel distance of the upper layer moving part is L2, the condition Y = L1+ L2 is met, and L1> Y/2> L2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230964.8A CN109916129B (en) | 2019-03-26 | 2019-03-26 | Automatic expansion device of refrigerator drawer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230964.8A CN109916129B (en) | 2019-03-26 | 2019-03-26 | Automatic expansion device of refrigerator drawer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109916129A CN109916129A (en) | 2019-06-21 |
| CN109916129B true CN109916129B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910230964.8A Expired - Fee Related CN109916129B (en) | 2019-03-26 | 2019-03-26 | Automatic expansion device of refrigerator drawer |
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| CN (1) | CN109916129B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127741A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127740A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127745A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127742A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127744A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127732A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127730A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127743A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
| CN112127731A (en) * | 2019-06-24 | 2020-12-25 | 青岛海尔电冰箱有限公司 | Door body driving device and refrigerator |
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| CN109186173A (en) * | 2018-11-23 | 2019-01-11 | 合肥华凌股份有限公司 | Refrigerator drawer component and refrigerator |
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2019
- 2019-03-26 CN CN201910230964.8A patent/CN109916129B/en not_active Expired - Fee Related
Patent Citations (10)
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| JP2005323666A (en) * | 2004-05-12 | 2005-11-24 | Sun Wave Ind Co Ltd | Two-way drawer structure and kitchen table having the same |
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|---|---|
| CN109916129A (en) | 2019-06-21 |
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Granted publication date: 20200929 |