CN109764624B - Foldable rack and refrigerator with same - Google Patents
Foldable rack and refrigerator with same Download PDFInfo
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- CN109764624B CN109764624B CN201910007805.1A CN201910007805A CN109764624B CN 109764624 B CN109764624 B CN 109764624B CN 201910007805 A CN201910007805 A CN 201910007805A CN 109764624 B CN109764624 B CN 109764624B
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- damping
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Abstract
The invention provides a foldable rack and a refrigerator with the same, wherein the foldable rack comprises: the device comprises an upper rack and a lower rack positioned on the lower side of the upper rack, wherein racks extending along the left-right direction and at least one damping gear clamped in the racks and capable of sliding left and right along the racks are formed on the front side and the rear side of the upper rack, the damping gear is provided with a permanent magnet, a connecting line between north and south poles of the permanent magnet is parallel to the direction of the racks, an electromagnet is arranged at the end part of the rack, and a magnetic field generated by the electromagnet can control the damping gear to slide left and right along the racks; a pair of supporting rods which are arranged in an X-shaped cross mode are arranged between the front side and the rear side of the upper rack and the lower rack, one upper end of each supporting rod is pivotally connected with a damping gear, and the lower end of each supporting rod is pivotally connected with the lower rack. The foldable rack has the advantages of height adjustment and automatic opening.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a foldable rack and a refrigerator with the same.
Background
A refrigerator is a common household appliance in daily life, and a plurality of racks are generally arranged in a storage compartment of the refrigerator, and it can be understood that the sizes of articles stored in the storage compartment by users are generally different, especially the heights of the articles.
Therefore, how to design a foldable rack with adjustable height becomes a problem to be solved.
Disclosure of Invention
The invention aims to provide a foldable rack and a refrigerator with the same.
In order to achieve one of the above objects, an embodiment of the present invention provides a foldable rack for a refrigerator, including: the damping rack comprises an upper rack and a lower rack positioned on the lower side of the upper rack, wherein racks extending along the left-right direction and at least one damping gear which is clamped in the racks in a matched manner and can slide left and right along the racks are formed on the front side and the rear side of the upper rack, the damping gear is provided with a permanent magnet, a connecting line between north and south poles of the permanent magnet is parallel to the direction of the racks, an electromagnet is arranged at the end part of the racks, and a magnetic field generated by the electromagnet can control the damping gear to slide left and right along the racks;
a pair of supporting rods which are arranged in an X-shaped cross mode are arranged between the front side and the rear side of the upper rack and the lower rack, one upper ends of the supporting rods are pivotally connected with a damping gear, and the lower ends of the supporting rods are respectively pivotally connected with the lower rack.
As a further improvement of an embodiment of the present invention, the number of the damping gears is two, one electromagnet is disposed at each of the left and right end portions of the rack, a magnetic field generated by the electromagnet located on the left side can control the damping gear located on the left side to slide left and right along the rack, a magnetic field generated by the electromagnet located on the right side can control the damping gear located on the right side to slide left and right along the rack, and the other upper ends of the pair of support rods are pivotally connected to the other damping gear.
As a further improvement of an embodiment of the present invention, the rack comprises two rack segments fixedly disposed on the left and right sides of the upper rack, respectively, the left damping gear is clamped on the left rack segment, and the right damping gear is clamped on the right rack segment;
two sides that are close to each other in two rack sections all are provided with the slip backstop that can block the damping gear and pass through.
As a further improvement of an embodiment of the present invention, the number of the damping gears is one, the other upper end of the pair of support rods is pivotally connected to the upper rack, and both upper ends are located at the same side of the upper rack.
As a further improvement of an embodiment of the present invention, sliding grooves extending in the left-right direction are formed in both front and rear sides of the upper rack, and the rack is disposed in the sliding grooves.
As a further improvement of an embodiment of the present invention, a rack is provided on a lower surface of the chute, or racks are provided on both upper and lower inner surfaces.
As a further improvement of an embodiment of the present invention, the damping gear includes an elastic gear which is engaged with the rack and can slide left and right along the rack, and a slider which is engaged with the sliding slot and can slide left and right along the sliding slot.
As a further improvement of an embodiment of the present invention, guide grooves extending in a left-right direction are formed on both front and rear sides of the upper rack, an extending direction of the guide grooves is parallel to an extending direction of the slide grooves and is communicated with the slide grooves, and the damping gear includes a plurality of guide posts which are engaged with each other and are engaged with the guide grooves and can slide left and right along the guide grooves.
As a further improvement of an embodiment of the present invention, the present invention further includes: a switch capable of changing the direction of current in the electromagnet; the edges of the upper rack and the lower rack can be contacted, the edges of the upper rack and the lower rack are provided with magnetic strips, and when the edges of the upper rack and the lower rack are contacted, the magnetic strips in the upper rack and the lower rack attract each other and prevent the lower rack from moving downwards.
The embodiment of the invention also provides a refrigerator, and the foldable rack is arranged in the storage chamber of the refrigerator.
Compared with the prior art, the invention has the technical effects that: an embodiment of the present invention provides a foldable rack and a refrigerator having the same, the foldable rack including: the device comprises an upper rack and a lower rack positioned on the lower side of the upper rack, wherein racks extending along the left-right direction and at least one damping gear clamped in the racks and capable of sliding left and right along the racks are formed on the front side and the rear side of the upper rack, the damping gear is provided with a permanent magnet, a connecting line between north and south poles of the permanent magnet is parallel to the direction of the racks, an electromagnet is arranged at the end part of the rack, and a magnetic field generated by the electromagnet can control the damping gear to slide left and right along the racks; a pair of supporting rods which are arranged in an X-shaped cross mode are arranged between the front side and the rear side of the upper rack and the lower rack, one of the two upper ends of the pair of supporting rods is connected with a damping gear in a pivoting mode, and the lower ends of the pair of supporting rods are connected with the lower rack in a pivoting mode respectively. The foldable rack has the advantages of height adjustment and automatic opening.
Drawings
Fig. 1A is a first perspective view of a foldable rack in an embodiment of the present invention, wherein the foldable rack is in an open state;
fig. 1B is a first perspective view of the foldable rack in an embodiment of the present invention, wherein the foldable rack is in a closed state;
fig. 2A and 2B are perspective views showing a rack section, a damper gear, a support rod, and an electromagnet according to an embodiment of the present invention;
FIG. 2C is an enlarged view of a portion A of FIG. 1A;
FIG. 3 is an exploded view of an embodiment of the present invention including a rack segment, a damper gear, a support rod, and an electromagnet;
fig. 4 is a perspective view of a damper gear in the embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Terms used herein such as "upper," "above," "lower," "below," and the like refer to relative spatial positions in order to describe one element or feature's relationship to another element or feature as illustrated in the figures for ease of description. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
An embodiment of the present invention provides a foldable rack for a refrigerator, as shown in fig. 1A, 1B and 2C, including:
the rack-type refrigerator comprises an upper rack 1 and a lower rack 2 positioned on the lower side of the upper rack 1, wherein racks extending along the left-right direction and at least one damping gear 112 clamped in the racks in a matched manner and capable of sliding left and right along the racks are formed on the front side and the rear side of the upper rack 1, the damping gear 112 is provided with a permanent magnet, a connecting line between north and south poles of the permanent magnet is parallel to the direction of the racks, an electromagnet 113 is arranged at the end part of the racks, and a magnetic field generated by the electromagnet 113 can control the damping gear 112 to slide left and right along the racks;
here, the tooth tips of the damping gear 112 and the tooth tips of the rack are engaged with each other at any time, and it can be understood that the rack can apply a damping force opposite to the sliding direction to the damping gear 112 when the damping gear 112 slides left and right (i.e., the distance between the upper and lower racks can be changed every time the damping gear 112 slides one tooth tip in the left and right directions), and the heights of the left and right sides of the lower rack 2 may be unequal (e.g., in fig. 1A and 1B, the upper end of the two support rods 3 on the left side is at a distance L1 from the left side of the upper rack 1, the upper end on the right side is at a distance L2 from the right side of the upper rack 1, when L1> L2, the left side height of the lower rack 2 is higher than the right side height, when L1= L2, the left side height of the lower rack 2 is equal to the right side height, when L1< L2, the left side height of the lower rack 2 is lower than the right side height), which is very convenient for a user to adjust the height of the storage space.
A pair of support rods 3 arranged in an X-shaped cross manner are arranged between the front sides and the rear sides of the upper and lower racks 2, one upper ends of the pair of support rods 3 are pivotally connected with a damping gear 112, and the lower ends of the pair of support rods 3 are respectively pivotally connected with the lower rack 2. Here, as shown in fig. 1A and 1B, the lower rack 2 can move up and down with respect to the upper rack 1, and when the lower rack 2 moves to the lower side of the upper rack 1, the edges of the upper and lower racks can be contacted, so that a storage space cannot be formed above the lower rack 2, i.e., the foldable rack is in a closed state; on the contrary, when the edges of the upper and lower racks are not in contact, a storage space is formed above the lower rack 2, that is, the foldable rack is in an open state.
Preferably, the number of the damping gears 112 is two, two electromagnets 113 are respectively disposed at the left and right ends of the rack, the damping gear 112 located on the left side can be controlled to slide left and right along the rack by the magnetic field generated by the electromagnet 113 located on the left side, the damping gear 112 located on the right side can be controlled to slide left and right along the rack by the magnetic field generated by the electromagnet 113 located on the right side, and the other upper end of the pair of support rods 3 is pivotally connected with the other two damping gears 112.
Here, when it is necessary to close the storage space, an initial state is as shown in fig. 1A, in which current is supplied to all the electromagnets 113 so that all the electromagnets 113 attract the damper gear 112. Here, at the front side of the upper rack 1, the two damping gears 112 will slide along the rack 1 and will move away from each other, it can be understood that a person skilled in the art can easily imagine that at the rear side of the upper rack 1, so too does the movement of the damping gears 112; then, the edge of the lower rack 2 contacts with the edge of the upper rack 1, and the current of the electromagnet 113 can be continuously kept; it is also possible to stop the current to the electromagnet 113, and it is understood that as long as the rack exerts a sufficient resistance force to the damping gear 112, the lower rack 2 can be stopped from moving downward, resulting in the state shown in fig. 1B.
Here, when it is necessary to open the storage space, an initial state is as shown in fig. 1B, in which current is supplied to all the electromagnets 113 so that all the electromagnets 113 repel the damper gear 112. Here, at the front side of the upper rack 1, the two damping gears 112 will slide along the rack and will approach each other, and it can be understood that one skilled in the art can easily imagine the movement of the damping gears 112 at the rear side of the upper rack 1, and finally form the state shown in fig. 1A. Alternatively, as shown in fig. 2A to 2C, a latch 114 may be disposed on the left and right sides of the sliding slot 11, so that the electromagnet 113 is fixed to the right side of the latch 114 on the left side; on the right side, the electromagnet 113 is fixed to the left side of the latch 114.
Preferably, the rack includes two rack segments 111 fixedly disposed at the left and right sides of the upper rack 1, respectively, the left damping gear 112 is engaged with the left rack segment 111, and the right damping gear 112 is engaged with the right rack segment 111; both sides of the two rack segments 111 close to each other are provided with slide stoppers 1111 capable of blocking the passage of the damping gear 112. Here, it can be understood that, as the left damping gear 112 slides to the right by a greater distance and the right damping gear 112 slides to the left by a greater distance, the greater the distance between the upper and lower racks, the greater the height of the storage space formed on the lower rack 2, and therefore, the sliding distance of the left and right damping gears 112 is defined by the slide stopper 1111, and thus, the two slide stoppers 1111 can control the height of the storage space.
Secondly, it can be understood that when the damping gears 112 at the left and right sides are all abutting against the sliding stopper 1111, when the lower rack 2 places the articles, the sliding stopper 112 can apply force to the damping gears 112 at the left and right sides, thereby ensuring the stability of the lower rack 2 and also enabling the heavier articles to be placed on the lower rack 2.
Preferably, the number of the damping gear 112 is one, the other upper end of the pair of support rods 3 is pivotally connected to the damping gear 112, and both the upper ends are located at the same side of the upper rack 1. Here, it can be understood that once the damping gear 112 slides left and right along the rack, the vertical distance between the lower rack 2 and the upper rack 1 can be changed; in addition, since the other upper end is pivotally connected to the upper rack 1, the upper rack 1 can provide a greater pulling force to the other upper end, i.e., it is possible to prevent the articles of interest on the lower rack 2.
Alternatively, as shown in fig. 1A and 1B, one lower end of the pair of support rods 3 is connected to the left side of the lower rack 2, and the other lower end is connected to the right side of the lower rack 2.
Preferably, as shown in fig. 1A, sliding grooves 11 extending in the left-right direction are formed at both front and rear sides of the upper rack 1, and the rack is disposed in the sliding grooves 11.
Preferably, a rack is provided on the lower surface of the sliding groove 11, or both the upper and lower inner surfaces are provided with racks.
Preferably, as shown in fig. 3 and 4, the damping gear 112 includes an elastic gear 1121 engaged with and engaged with the rack and capable of sliding left and right along the rack, and a slider 1122 engaged with and engaged with the sliding slot 11 and capable of sliding left and right along the sliding slot 11. Here, it can be understood that the slider 1122 is engaged with the slide slot 11, so that the slider 1122 can only slide left and right along the slide slot 11, and therefore, the damping gear 112 can only slide left and right along the rack. In addition, since the sliding blocks 1122 and the sliding grooves 11 are engaged with each other, the sliding grooves 11 can provide an upward force to the sliding blocks 1122, that is, a downward force applied to the supporting rod 3 by the lower rack 2 is borne by the sliding blocks 1122, so that the downward force to the elastic gear 1121 is reduced, and the elastic gear can be better protected. Alternatively, the cross section of the sliding slot 11 is square, and the sliding block 1122 is also square.
Preferably, as shown in fig. 3 and 4, guide grooves 115 extending in the left-right direction are formed at both front and rear sides of the upper rack 1, the extending direction of the guide grooves 115 is parallel to the extending direction of the sliding grooves 11 and is communicated with the sliding grooves 11, and the damping gear 112 includes a plurality of guide posts 1123 engaged with the guide grooves 115 and capable of sliding left and right along the guide grooves 115. Here, as shown in fig. 3, on the front side, the front sides of the upper and lower inner surfaces of the chute 11 may be provided with respective vertical plates 1151, the two vertical plates 1151 are located in the same vertical plane, and the space between the two vertical plates 1151 constitutes the guide groove 115. As shown in fig. 4, two guide posts 1123 and elastic gears 1121 are respectively located on the front and rear sides of the slider 1122; in the left-right direction, the elastic gear 1121 is located at the middle position of the slider 1122, and the two guide posts 1123 are located at both sides of the slider 1122.
Optionally, the method further includes: a switch (not shown) capable of changing the direction of the current in the electromagnet 113. Here, it can be understood that, the electromagnet 113 can attract or repel the damping gear 112 by the different current direction in the electromagnet 113, so that the opening or closing of the foldable rack can be controlled by the switch.
Preferably, the method further comprises the following steps: a switch capable of changing the direction of current in the electromagnet 113;
the edges of the upper rack 1 and the lower rack 2 can be contacted, the edges of the upper rack 2 and the lower rack 2 are provided with magnetic strips, and when the edges of the upper rack 2 and the lower rack 2 are contacted, the magnetic strips in the upper rack 2 and the lower rack 2 attract each other and prevent the lower rack 2 from moving downwards. Here, it can be understood that the electromagnet 113 can attract or repel the damping gear 112 by the current direction in the electromagnet 113 being different, so that the opening or closing of the foldable rack can be controlled by the switch. This can effectively prevent the lower rack 2 from moving downward when the foldable rack is closed, since the edges of the upper and lower racks can attract each other.
The second embodiment of the invention provides a refrigerator, and the foldable rack in the first embodiment is arranged in a storage chamber of the refrigerator.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is merely a detailed description of possible embodiments of the present invention, and it is not intended to limit the scope of the invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A foldable rack for a refrigerator is characterized in that,
the method comprises the following steps:
the rack comprises an upper rack and a lower rack positioned on the lower side of the upper rack, wherein racks extending along the left-right direction and at least one damping gear clamped in the racks and capable of sliding left and right along the racks are formed on the front side and the rear side of the upper rack, the damping gear is provided with a permanent magnet, a connecting line between north and south poles of the permanent magnet is parallel to the direction of the racks, an electromagnet is arranged at the end part of the rack, and a magnetic field generated by the electromagnet can control the damping gear to slide left and right along the racks;
a pair of supporting rods which are arranged in an X-shaped cross mode are arranged between the front side and the rear side of the upper rack and the lower rack, one upper ends of the pair of supporting rods are pivotally connected with a damping gear, and the lower ends of the pair of supporting rods are respectively pivotally connected with the lower rack;
the rack comprises two rack segments which are respectively and fixedly arranged on the left side and the right side of the upper rack;
two side edges, close to each other, of the two rack segments are provided with sliding stopping parts capable of blocking the damping gear from passing through;
sliding grooves extending in the left-right direction are formed in the front side and the rear side of the upper rack, and the racks are arranged in the sliding grooves;
the damping gear comprises an elastic gear and a sliding block, the elastic gear is clamped in the rack and can slide left and right along the rack, and the sliding block is clamped in the sliding groove and can slide left and right along the sliding groove.
2. The foldable rack of claim 1, wherein:
the number of damping gear is two, all is provided with an electro-magnet at two tip about the rack, and is located the produced magnetic field of left electro-magnet and can control and be located left damping gear and do the horizontal slip along the rack, and the produced magnetic field of electro-magnet that is located the right side can control and be located the right side damping gear and do the horizontal slip along the rack, but another upper end and another damping gear pivot ground of a pair of bracing piece link to each other.
3. The foldable rack of claim 2, wherein:
the left damping gear is clamped on the left rack section, and the right damping gear is clamped on the right rack section.
4. The foldable rack of claim 1, wherein:
the number of the damping gears is one, the other upper end of the pair of supporting rods is pivotally connected with the upper rack, and the two upper ends are both positioned at the same side of the upper rack.
5. The foldable rack of claim 1, wherein:
the lower surface in the chute is provided with a rack, or the upper and lower inner surfaces are provided with racks.
6. The foldable rack of claim 1, wherein:
the front side and the rear side of the upper rack are both provided with guide grooves extending along the left-right direction, the extending direction of the guide grooves is parallel to the extending direction of the sliding grooves and communicated with the sliding grooves, and the damping gear comprises a plurality of guide posts which are clamped in the guide grooves in a matched mode and can slide left and right along the guide grooves.
7. The foldable rack of claim 1,
further comprising:
a switch capable of changing the direction of current in the electromagnet;
the edges of the upper rack and the lower rack can be contacted, the edges of the upper rack and the lower rack are provided with magnetic strips, and when the edges of the upper rack and the lower rack are contacted, the magnetic strips in the upper rack and the lower rack attract each other and prevent the lower rack from moving downwards.
8. A refrigerator, characterized in that:
the foldable rack as claimed in any one of claims 1 to 7 is provided in a storage compartment of the refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007805.1A CN109764624B (en) | 2019-01-04 | 2019-01-04 | Foldable rack and refrigerator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007805.1A CN109764624B (en) | 2019-01-04 | 2019-01-04 | Foldable rack and refrigerator with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109764624A CN109764624A (en) | 2019-05-17 |
| CN109764624B true CN109764624B (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007805.1A Active CN109764624B (en) | 2019-01-04 | 2019-01-04 | Foldable rack and refrigerator with same |
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| Country | Link |
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| CN (1) | CN109764624B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234544B (en) * | 2021-12-31 | 2023-05-30 | 龙口科诺尔玻璃科技有限公司 | High-freedom-degree folding refrigerator rack |
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| US20020125728A1 (en) * | 1999-03-04 | 2002-09-12 | Chambers Marshall Robert | Collapsible cargo support system |
| CN202327587U (en) * | 2011-11-29 | 2012-07-11 | 廖远旭 | Hanger with adjustable height |
| CN203036977U (en) * | 2012-08-02 | 2013-07-03 | 海尔集团公司 | Folding shelf and refrigerator capable of using folding shelf |
| CN103292558A (en) * | 2012-02-23 | 2013-09-11 | 珠海格力电器股份有限公司 | Refrigerator shelf and refrigerator comprising same |
| CN203669527U (en) * | 2013-11-25 | 2014-06-25 | 四川省旺苍中学 | Tension sensing unlocking system |
| CN104236240A (en) * | 2014-09-11 | 2014-12-24 | 合肥华凌股份有限公司 | Shelf assembly of refrigerator and refrigerator with shelf assembly |
| US10085550B1 (en) * | 2017-08-07 | 2018-10-02 | Chen-Source Inc. | Single lever-operated height-adjustable table |
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2019
- 2019-01-04 CN CN201910007805.1A patent/CN109764624B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020125728A1 (en) * | 1999-03-04 | 2002-09-12 | Chambers Marshall Robert | Collapsible cargo support system |
| CN202327587U (en) * | 2011-11-29 | 2012-07-11 | 廖远旭 | Hanger with adjustable height |
| CN103292558A (en) * | 2012-02-23 | 2013-09-11 | 珠海格力电器股份有限公司 | Refrigerator shelf and refrigerator comprising same |
| CN203036977U (en) * | 2012-08-02 | 2013-07-03 | 海尔集团公司 | Folding shelf and refrigerator capable of using folding shelf |
| CN203669527U (en) * | 2013-11-25 | 2014-06-25 | 四川省旺苍中学 | Tension sensing unlocking system |
| CN104236240A (en) * | 2014-09-11 | 2014-12-24 | 合肥华凌股份有限公司 | Shelf assembly of refrigerator and refrigerator with shelf assembly |
| US10085550B1 (en) * | 2017-08-07 | 2018-10-02 | Chen-Source Inc. | Single lever-operated height-adjustable table |
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| CN109764624A (en) | 2019-05-17 |
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