Patent Description:
In related arts, a shelf in a refrigerator is fixed. When putting food with a large volume on the shelf, it is needed to manually adjust a position of the shelf, which is inconvenient to operate and seriously affects user experience. Although some refrigerators have been provided with electric lifting shelves, these electric lifting shelves are not compact enough and occupy a larger space inside the refrigerator, which results in reducing utilization of space inside the refrigerator. In addition, a transmission member of the electric lifting shelf is mostly matched by a rotary table and a wire rope, but a connection between the wire rope and the rotary table often causes the wire rope to break due to wear. <CIT> relates generally to a refrigerator with a refrigerating chamber partition that can be lifted and lowered according to the preamble of claim <NUM>. <CIT> relates generally to a refrigerator with a lifting shelf, including a storage compartment.

The invention is defined by the scope of claim <NUM>. Additional embodiments are defined by the dependent claims. An objective of the present application is to solve at least one of the problems existing in the related art. The present application provides a shelf, which can make a convolute flexible cable have a smooth transition, improve a load capacity of the convolute flexible cable at the transition section, and prolong a service life of the convolute flexible cable at the transition section, thereby prolonging a service life of a transmission assembly.

The present application further provides a storage cabinet.

According to the shelf provided by the embodiments of the present application, the driving member drives the transmission shaft to swivel and then to lead the lifting storage-board assembly to be lifted and lowered along the set direction through the transmission assembly, so that the shelf can be automatically lifted and lowered without human operation, which improves the user experience. By staggering the two adjacent transmission shafts, the adjacent flexible cables are spaced at a certain distance to avoid friction between the flexible cables, which prolongs the service life of the flexible cable and reduces the cost of use.

According to an embodiment of the present application, lengths of the two adjacent transmission shafts are different, and the driving member is arranged between the two adjacent transmission shafts.

According to an embodiment of the present application, the two adjacent transmission shafts are parallel, and a rotating shaft of the driving member is parallel or perpendicular to the transmission shaft.

According to an embodiment of the present application, the plate body includes an accommodation cavity and an arc groove, where a first end-opening of the arc groove is communicated with the accommodation cavity, and a second end-opening of the arc groove is communicated with an outside of the plate body; and the first end of the flexible cable passes through the arc groove to be fixed in the accommodation cavity, and the second end of the flexible cable is configured to wrap around the mounting portion of the plate body and then connect to the corresponding lifting storage-board assembly.

According to an embodiment of the present application, the plate body is provided with a first through hole in a thickness direction of the plate body, where the first through hole is communicated with the accommodation cavity, and the transmission shaft is inserted into a corresponding first through hole.

According to an embodiment of the present application, the transmission shaft is provided with a limiting member and a locking member, where the limiting member abuts against a first side of a corresponding plate body, and the locking member abuts against a second side of the corresponding plate body.

According to an embodiment of the present application, an end of the transmission shaft is provided with a second through hole, where the locking member is inserted in the second through hole, and the limiting member includes a limiting step arranged provided on the transmission shaft.

According to an embodiment of the present application, an end of the transmission shaft is provided with a clamping groove extending along an axial direction, the accommodation cavity is provided with a clamping member, where the first end of the flexible cable is connected to a corresponding clamping member.

According to an embodiment of the present application, the plate body includes a first plate body and a second plate body which are detachably connected to each other, where the second plate body is arranged at a first side of the first plate body, and the accommodation cavity and the arc groove are arranged at a side of the second plate body facing the first plate body; and
the mounting portion includes a groove arranged at a position where an outer surface of the first plate body is connected to an outer surface of the second plate body, or arranged at the outer surface of the second plate body.

According to an embodiment of the present application, the lifting storage-board assembly includes a shelf body and a guiding member, where the guiding member includes a linear guiding rail and a slider, the slider is slidingly matched with a corresponding linear guiding rail and is connected to a second end of a corresponding flexible cable, and the shelf body is connected to the slider.

According to an embodiment of the present application, the guiding member further includes a connecting piece, where the slider is respectively connected to the shelf body and the second end of the corresponding flexible cable through the connecting piece.

According to an embodiment of the present application, the connecting piece is detachably connected to the second end of the corresponding flexible cable.

According to an embodiment of the present application, the connecting piece is provided with a hanging hook, and the hanging hook is hung on the second end of the corresponding flexible cable.

According to an embodiment of the present application, a number of the driving assemblies are at least two, two adjacent transmission shafts are parallel and arranged at intervals, and a rotating shaft is parallel or perpendicular to the transmission shaft.

A storage cabinet provided by an embodiment of the present application includes a cabinet body, and further includes any one of the shelves mentioned above, where the shelf is arranged in the cabinet body.

According to an embodiment of the present application, the cabinet body is provided with a wind channel outer-housing, where a mounting position is arranged between the wind channel outer-housing and an inner side wall of the cabinet body, and the transmission assembly is arranged at the mounting position and connected to the lifting storage-board assembly and the driving assembly.

According to an embodiment of the present application, the storage cabinet is a refrigerator, a wine cabinet or a retail cabinet.

One or more of the above solutions in the embodiments of the present application have at least one of the following effects.

According to the storage cabinet provided by the embodiments of the present application, the shelf can be automatically lifted and lowered, which improves the user experience and enhances a competitiveness of a product by using the shelf mentioned above.

Additional aspects and advantages of the present application are set forth, in part, from the following description, and the part will become clear from the following description, or is learned by practice of the present application.

In order to more clearly illustrate the solutions according to the present application or the related art, the accompanying drawings used in the description of the embodiments of the present application or the related art will be briefly introduced below. It should be noted that the drawings in the following description are only part embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Reference numerals, <NUM>: driving assembly; <NUM>: plate body; <NUM>: groove; <NUM>: accommodation cavity; <NUM>: arc groove; <NUM>: first through hole; <NUM>: first plate body; <NUM>: second plate body; <NUM>: first collet; <NUM>: transmission shaft; <NUM>: clamping pin; <NUM>: limiting step; <NUM>: clamping groove; <NUM>: mounting opening; <NUM>: flexible cable; <NUM>: second collet; <NUM>: driving member; <NUM>: housing; <NUM>: driving gear; <NUM>: driven gear; <NUM>: shelf body; <NUM>: linear guiding rail; <NUM>: slider; <NUM>: connecting piece; <NUM>: hanging hook; <NUM>: wind channel outer-housing; <NUM>: refrigerator box body; <NUM>: transmission assembly; <NUM>: first end-opening; <NUM>: second end-opening; <NUM>: mounting portion; <NUM>: limiting member; <NUM>: locking member; <NUM>: second through hole; <NUM>: clamping member; <NUM>: transmission member; <NUM>: guiding member; <NUM>: inner side wall; <NUM>: mounting position; <NUM>: rotating shaft; <NUM>: lifting storage-board assembly.

The implementation of the present application is further described in detail below in combination with the accompanying drawings and embodiments. The following embodiments are used to describe the present application, but cannot be used to limit the scope of the present application.

In the description of the present application, it is to be noted that, the orientation or positional relations specified by terms such as "central", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like, are based on the orientation or positional relations shown in the drawings, which is merely for convenience of description of the present application and to simplify description, but does not indicate or imply that the stated devices or members must have the particular orientation and be constructed and operated in a particular orientation, and thus it is not to be construed as limiting the present application. Furthermore, the terms "first", "second", "third" and the like are only used for descriptive purposes and should not be construed as indicating or implying a relative importance.

In the description of the present application, it is to be noted that unless explicitly specified and defined otherwise, the terms "connected to" and "connected" shall be understood broadly, for example, it may be either fixedly connected or detachably connected, or can be integrated; it may be either mechanically connected, or electrically connected; it may be either directly connected, or indirectly connected through an intermediate medium. The specific meanings of the terms above in the present application can be understood by a person skilled in the art in accordance with specific conditions.

In the embodiments of the present application, unless otherwise expressly specified and defined, a first feature is "on" or "under" a second feature can refer to that the first feature is directly contacted with the second feature, or the first feature is indirectly contacted with the second feature through an intermediate medium. And further, the first feature is "on", "above" and "over" the second feature can refer to that the first feature is directly above or obliquely above the second feature, or simply refer to that the level height of the first feature is higher than that of the second feature. The first feature is "under", "below" and "beneath" the second feature can refer to that the first feature is directly below or obliquely below the second feature, or simply refer to that the level height of the first feature is lower than the level height of the second feature.

In the description of this specification, description with reference to the terms "one embodiment", "some embodiments", "an example", "specific example", "some examples" and the like, refers to that specific features, structures, materials or characteristics described in combination with an embodiment or an example are included in at least one embodiment or example according to the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to a same embodiment or example.

<FIG> is a schematic structural diagram of a shelf and a wind channel outer-housing <NUM> provided by an embodiment of the present application. <FIG> is a schematic structural diagram of a shelf without a lifting storage-board assembly provided by an embodiment of the present application. As shown in <FIG>, <FIG>, <FIG> and <FIG>, the shelf includes a lifting storage-board assembly <NUM>, at least two driving assemblies <NUM> and at least two transmission assemblies <NUM>. The lifting storage-board assembly <NUM> can be lifted and lowered along a set direction. The driving assembly <NUM> includes a driving member <NUM> and a transmission shaft <NUM>. The transmission shafts <NUM> of two adjacent driving assemblies <NUM> are arranged at intervals along a set direction. The driving member <NUM> is arranged between the two adjacent transmission shafts <NUM> and is connected to a corresponding transmission shaft <NUM>. The transmission assembly <NUM> is connected between the transmission shaft <NUM> and a corresponding lifting storage-board assembly <NUM>. The driving member <NUM> is configured to drive the lifting storage-board assembly <NUM> to be lifted and lowered along the set direction through the transmission shaft <NUM> and the transmission assembly <NUM>.

According to the shelf provided by the embodiments of the present application, the transmission shaft <NUM> is driven by the driving member <NUM> to swivel and then to lead the lifting storage-board assembly <NUM> to be lifted and lowered along the set direction through the transmission assembly <NUM>, so that the shelf can be automatically lifted and lowered without human operation, which improves user experience. By arranging the driving member <NUM> between the two adjacent transmission shafts <NUM>, the space between the two adjacent transmission shafts <NUM> is effectively utilized to make the shelf more compact, reduce the occupied space of the shelf, and improve the utilization rate of the space inside the refrigerator.

In an embodiment of the present application, <FIG> is a schematic structural diagram of a transmission assembly <NUM> provided by an embodiment of the present application, and <FIG> is a schematic structural diagram of a first plate body <NUM> and a second plate body <NUM> provided by an embodiment of the present application. As shown in <FIG>, the transmission assembly <NUM> includes a plate body <NUM> and a flexible cable <NUM>, where the plate body <NUM> includes an accommodation cavity <NUM> and an arc groove <NUM>, a first end-opening <NUM> of the arc groove <NUM> is communicated with the accommodation cavity <NUM>, and a second end-opening <NUM> of the arc groove <NUM> is communicated with an outside of the plate body <NUM>. A first end of the flexible cable <NUM> passes through the arc groove <NUM> to be fixed in the accommodation cavity <NUM>, and a second end of the flexible cable <NUM> is configured to wrap around a mounting portion <NUM> of the plate body <NUM> and then be connected to the lifting storage-board assembly <NUM>.

The driving assembly <NUM> drives the plate body <NUM> to swivel, and then leads the lifting storage-board assembly <NUM> to be lifted and lowered, thereby the shelf can be automatically lifted and lowered without human operation, which improves the user experience. By providing the arc groove <NUM> in the plate body <NUM>, the convolute flexible cable <NUM> can have a smooth transition to avoid the wear and fracture of the flexible cable <NUM> caused by stress concentration during the flexible cable <NUM> wraps along the plate body <NUM>, a load capacity of the convolute flexible cable <NUM> at the transition section is improved, and a service life of the convolute flexible cable <NUM> at the transition section is prolonged, thereby prolonging a service life of the shelf and improving a reliability of a connection between the flexible cable <NUM> and the plate body <NUM>.

In an embodiment of the present application, the shelf includes two lifting storage-board assemblies <NUM>, two driving assemblies <NUM> and four transmission assemblies <NUM>, where the drive assemblies <NUM> are corresponded one-to-one to the lifting storage-board assemblies <NUM> and one drive assembly <NUM> drives one lifting storage-board assembly <NUM> to be lifted and lowered through two transmission assemblies <NUM>. In a process of controlling two lifting storage-board assemblies <NUM> to be lifted and lowered, only one of the lifting storage-board assemblies <NUM> can be controlled to be lifted and lowered, or two lifting storage-board assemblies <NUM> can be controlled simultaneously to be lifted and lowered.

According to the shelf provided by the embodiments of the present application, the driving member <NUM> drives the transmission shaft <NUM> to swivel and then to lead the lifting storage-board assembly <NUM> to be lifted and lowered along the set direction through the transmission assembly <NUM>, so that the shelf can be automatically lifted and lowered without human operation, which improves the user experience. By staggering the adjacent two transmission shafts <NUM>, the adjacent flexible cables <NUM> are spaced at a certain distance to avoid friction between the flexible cables <NUM>, which prolongs the service life of the flexible cable <NUM> and reduces the cost of use.

It should be noted that numbers of lifting storage-board assemblies <NUM> and driving assemblies <NUM> are not limited to two but can be three or more. The number of transmission assemblies <NUM> is twice the number of driving assemblies <NUM>.

In an embodiment of the present application, the shelf includes two driving assemblies <NUM>, and transmission shafts <NUM> of the two driving assemblies <NUM> are horizontal and arranged at intervals. Two ends of the transmission shaft <NUM> are detachably connected to the corresponding plate body <NUM> respectively. The transmission shaft <NUM> plays a role of connection between the two plate bodies <NUM>. By connecting two plate bodies <NUM> through the transmission shaft <NUM>, only one driving assembly <NUM> is needed to drive the two plate bodies <NUM> to swivel synchronously, which reduces the number of members of the driving assembly <NUM>, simplifies the structure of the driving assembly <NUM>, and reduces the production cost. Detachable connection between the transmission shaft <NUM> and the plate body <NUM> facilitates assembly and disassembly of the driving assembly <NUM> and maintenance of damaged members.

In an embodiment of the present application, the flexible cable <NUM> is a wire rope which has a large load capacity to ensure that the shelf can bear heavier object. The flexible cable <NUM> can also be a rope, a wire or a chain, etc. The mounting portion <NUM> includes a groove <NUM> provided on an outer surface of the plate body <NUM>. A side wall of the groove <NUM> is used to limit the flexible cable <NUM>, ensuring that the flexible cable <NUM> can automatically wind around in the groove <NUM> when the plate body <NUM> swivels in the positive direction.

In an embodiment of the present application, as shown in <FIG>, the plate body <NUM> is provided with a first through hole <NUM> arranged in a thickness direction of the plate body <NUM>, where the first through hole <NUM> is connected to the accommodation cavity <NUM>, and two ends of the transmission shaft <NUM> are inserted into corresponding first through holes <NUM> respectively. The plate body <NUM> is a annular plate body <NUM>, and a center of the first through hole <NUM> coincides with a center of the plate body <NUM>.

In an embodiment of the present application, both ends of the transmission shaft <NUM> are provided with a limiting member <NUM> and a locking member <NUM>, where the limiting member <NUM> abuts against a first side of a corresponding plate body <NUM>, and the locking member <NUM> abuts against the second side of the corresponding plate body <NUM>. Since the plate body <NUM> is arranged between the limiting member <NUM> and the locking member <NUM>, a combination of the limiting member <NUM> and the locking member <NUM> can connect the plate body <NUM> to two ends of the transmission shaft <NUM> to prevent the plate body <NUM> from moving along an axial direction of the transmission shaft <NUM>. By limiting the plate body <NUM> using the locking member <NUM>, the assembly and disassembly steps of the plate body <NUM> can be simplified.

In an embodiment of the present application, two ends of the transmission shaft <NUM> are respectively provided with a second through hole <NUM>, where the locking member <NUM> is inserted into a corresponding second through hole <NUM>, and the limiting member <NUM> includes a limiting step <NUM> provided on the transmission shaft <NUM>. Each of the two ends of the transmission shaft <NUM> is provided with two limiting steps <NUM>, and the two limiting steps <NUM> are symmetrically arranged. By providing the limiting step <NUM>, it is not needed to provide other limiting members <NUM>, which reduces a number of members of the shelf and simplifies the structure of the shelf.

In an embodiment, by milling at least one plane on peripheral surfaces at two ends of the transmission shaft <NUM>, limiting steps <NUM> are formed on the peripheral surfaces at two ends of the transmission shaft <NUM>.

In an embodiment of the present application, as shown in <FIG>, the locking part <NUM> includes a clamping pin <NUM>. After the clamping pin <NUM> is inserted into the second through hole <NUM>, a clamping portion of the clamping pin <NUM> clamps an end of the corresponding transmission shaft <NUM>, which not only locks the plate body <NUM>, but also locks the clamping pin <NUM>, thereby preventing the clamping pin <NUM> from falling off during a swivel of the plate body <NUM>. In addition, the clamping pin <NUM> can facilitate the assembly and disassembly of the plate body <NUM>.

In an embodiment of the present application, the locking member <NUM> includes a pin nail. After the pin nail is inserted into the second through hole <NUM>, an opening end of the pin nail needs to be bent to prevent the pin nail from falling off during the swivel of the plate body <NUM>.

In an embodiment of the present application, an edge of the first through hole <NUM> is provided with a key groove, and the locking member <NUM> includes a key pin. By inserting the key pin in the key groove, the plate body <NUM> can be connected to the transmission shaft <NUM>.

In an embodiment the present application, the two ends of the transmission shaft <NUM> are provided with threads, and the locking part <NUM> includes a nut. Two nuts are connected to the two ends of the transmission shaft <NUM> respectively. It should be noted that the specific type of locking member <NUM> can be other form and is not limited to clamping pin <NUM>, pin nail or nut.

In an embodiment of the present application, the limiting member <NUM> includes a clamping spring. The two ends of the transmission shaft <NUM> are provided with an annular groove respectively. The annular groove is arranged at a first side of the plate body <NUM>, and the clamping spring is stuck in the annular groove, thereby limiting the plate body <NUM>.

In an embodiment of the present application, the limiting member <NUM> includes a limiting ring. The two ends of the transmission shaft <NUM> are respectively provided with a limiting ring. The limiting ring is integrated with the transmission shaft <NUM>. The limiting ring is arranged at a first side of the plate body <NUM> and plays a limiting role for the plate body <NUM>.

It should be noted that the specific type of limiting member <NUM> is not limited to the clamping spring, limiting ring and limiting step <NUM>, but can also be other types.

In an embodiment of the present application, the first through hole <NUM> is a swivel-stopping hole, and a cross-sectional shape of each of the two ends of the transmission shaft <NUM> is matched with the shape of the first through hole <NUM>. The first through hole <NUM> is set as swivel-stopping hole, and the transmission shaft <NUM> is inserted into the first through hole <NUM> to prevent a relative motion of the plate body <NUM> and the transmission shaft <NUM>.

It should be noted that the swivel-stopping hole can be a waist shaped hole, a rectangular hole, a regular polygon hole, a triangular hole or other non-circular holes with other shapes.

In an embodiment of the present application, both ends of the transmission shaft <NUM> are provided with a clamping groove <NUM> extending in an axial direction, the accommodation cavity <NUM> is provided with a clamping member <NUM> therein, and the first end of the flexible cable <NUM> passes through the corresponding clamping groove <NUM> and is connected to a corresponding clamping member <NUM>. The clamping groove <NUM> can not only allow the first end of the flexible cable <NUM> to pass through, but also limit the clamping member <NUM>, so that the first end of the flexible cable <NUM> is connected in the accommodation cavity <NUM>. By limiting the clamping member <NUM> using the clamping groove <NUM>, the clamping member <NUM> can be fixed without providing other members, which reduces a number of members and simplifies the structure of the transmission assembly <NUM>.

In an embodiment of the present application, <FIG> is a schematic exploded structural diagram of a transmission assembly provided by an embodiment of the present application. As shown in <FIG>, the clamping member <NUM> includes a first collet <NUM>, where a width of the first collet <NUM> is greater than a width of the clamping groove <NUM>. Since the width of the first collet <NUM> is greater than a width of an opening of the clamping groove <NUM>, the first collet <NUM> can not pass through the clamping groove <NUM>, thereby can fix the first end of the flexible cable <NUM>. By connecting the plate body <NUM> and the flexible cable <NUM> using the first collet <NUM>, a connection between the plate body <NUM> and the flexible cable <NUM> is safe and reliable.

It should be noted that the method of fixing the first end of the flexible cable <NUM> is not limited to the above. For example, a limiting groove can be provided in the accommodation cavity <NUM>, where a width of the limiting groove is less than the width of the first collet <NUM> and the first end of the flexible cable <NUM> can be clamped into the limiting groove to fix the first end of the flexible cable <NUM>.

In an embodiment of the present application, as shown in <FIG>, the plate body <NUM> includes a first plate body <NUM> and a second plate body <NUM>. Both the first plate body <NUM> and the second plate body <NUM> are annular plate body <NUM>, and a diameter of the first plate body <NUM> is equal to a diameter of the second plate body <NUM>. The second plate body <NUM> is arranged at a first side of the first plate body <NUM>, and the accommodation cavity <NUM> and the arc groove <NUM> are arranged at a side of the second plate body <NUM> facing the first plate body <NUM>. The mounting portion <NUM> includes a groove <NUM> which is arranged at a connection position of a peripheral surface of the first plate body <NUM> and a peripheral surface of the second plate body <NUM>. At this time, the peripheral surface of the first plate body <NUM> is a first sloping surface inclined to the second plate body <NUM>, the peripheral surface of the second plate body <NUM> is a second sloping surface inclined to the first plate body <NUM>, and the first sloping surface cooperates with the second sloping surface to form the groove <NUM>. In other embodiments, the groove <NUM> can be arranged only at the peripheral surface of the second plate body <NUM>.

In an embodiment of the present application, the first plate body <NUM> is provided with an mounting opening <NUM>, and the mounting opening <NUM> is connected to the accommodation cavity <NUM>. A size of the mounting opening <NUM> is matched with a size of the first collet <NUM> to ensure that the first collet <NUM> can pass through the mounting opening <NUM> and then can facilitate mounting the transmission assembly <NUM>.

In an embodiment of the present application, the first plate body <NUM> and the second plate body <NUM> are connected by screws to facilitate the assembly and disassembly of the first plate body <NUM> and the second plate body <NUM>. It should be noted that, the connection mode between the first plate body <NUM> and the second plate body <NUM> is not limited to this. For example, one of the first plate body <NUM> and the second plate body <NUM> is provided with a clamping tab and another of the first plate body <NUM> and the second plate body <NUM> is provided with clamping hole, and by inserting the clamping tab in the clamping hole, a detachable connection between the first plate body <NUM> and the second plate body <NUM> is realized.

In the embodiments of the present application, <FIG> is a schematic top view of a driving assembly <NUM> provided by an embodiment of the present application, <FIG> is a schematic sectional diagram of <FIG> in A-A direction, and <FIG> is a schematic connecting relation diagram of a driving assembly <NUM> and a transmission assembly <NUM> provided by an embodiment of the present application. As shown in <FIG>, <FIG> and <FIG>, the shelf includes two driving assemblies <NUM>, namely a first driving assembly <NUM> and a second driving assembly <NUM>. The transmission shaft <NUM> of the first driving assembly <NUM> is denoted as a first transmission shaft <NUM>, and the transmission shaft <NUM> of the second driving assembly <NUM> is denoted as a second transmission shaft <NUM>. The first transmission shaft <NUM> and the second transmission shaft <NUM> are parallel and are arranged at intervals. The first transmission shaft <NUM> is arranged above the second transmission shaft <NUM>, and there is a certain space between the first transmission shaft <NUM> and the second transmission shaft <NUM> to mount the driving member <NUM>. A length of the first transmission shaft <NUM> is less than a length of the second transmission shaft <NUM>, so that the plate bodies <NUM> at two ends of the first transmission shaft <NUM> and the plate bodies <NUM> at two ends of the second transmission shaft <NUM> are staggered to avoid mutual interference between the flexible cable <NUM> of the first driving assembly <NUM> and the flexible cable <NUM> of the second driving assembly <NUM>.

In an embodiment, the driving assembly <NUM> includes a driving member <NUM>, a transmission shaft <NUM>, a housing <NUM> and a transmission member <NUM> in the housing <NUM>. A rotating shaft <NUM> of the driving member <NUM> is connected to an end of a corresponding transmission shaft <NUM> through the transmission member <NUM>. One end of the transmission shaft <NUM> matches with the housing <NUM> rotatably, and another end of the transmission shaft <NUM> matches with the housing <NUM> of another driving assembly <NUM>. In order to improve the stability of the transmission shaft <NUM> when the transmission shaft <NUM> is swiveling, the housing <NUM> is provided with a shaft bearing therein, where the shaft bearing is sleeved on an outer surface of the transmission shaft <NUM>, and the transmission shaft <NUM> matches with the housing <NUM> rotatably through the shaft bearing. By connecting the two transmission shafts <NUM> through the housing <NUM>, an integrated design layout of the two driving assemblies <NUM> can be reached, which simplifies a structure of the driving assembly <NUM>, facilitates the assembly and disassembly, improves the compactness of the shelf, reduces the occupied space of the shelf, and can effectively utilize the limited space around the wind channel outer-housing <NUM> in the refrigerator. The transmission member <NUM> is configured to reduce a swivel speed of the transmission shaft <NUM>, increase a torque of the transmission shaft <NUM>, thereby increasing the load capacity of the driving assembly <NUM>.

In an embodiment of the present application, the driving member <NUM> is arranged between the transmission shafts <NUM> of two drive assemblies <NUM> and an axis of the rotating shaft <NUM> of the driving member <NUM> is parallel to axes of the transmission shafts <NUM>. The outside housing of the driving member <NUM> is connected to the housing <NUM>, and the driving member <NUM> is fixed between the transmission shafts <NUM> of the two driving assemblies <NUM>, which can further improve the compactness of the shelf, reduce the occupied space of the shelf, and effectively utilize the limited space around the wind channel outer-housing <NUM> in the refrigerator.

In an embodiment, the driving member <NUM> can be a motor or a motor with a reducer. The axis of the rotating shaft <NUM> of the driving member <NUM> can be perpendicular to the axes of the transmission shafts <NUM>. The driving member <NUM> and the transmission shaft <NUM> can be connected by a pair of bevel gears.

In an embodiment of the present application, the transmission member <NUM> includes a driving gear <NUM> and a driven gear <NUM>, where the driving gear <NUM> is connected to the rotating shaft <NUM> of the driving member <NUM>, the driven gear <NUM> is connected to one end of the transmission shaft <NUM>, and the driving gear <NUM> is engaged with the driven gear <NUM>. By using gear assembly for transmission, the stability and reliability of transmission between the driving member <NUM> and the transmission shaft <NUM> are improved, and the transmission efficiency and the bearing capacity of the transmission member <NUM> are also improved.

It should be noted that the number of gears of the transmission member <NUM> is not limited to two, but a plurality of gears can be arranged between the driving gear <NUM> and the driven gear <NUM> for transmission. The number of gears is determined based on the speed difference between the driving member130 and transmission shaft <NUM>.

In an embodiment of the present application, the transmission member <NUM> includes a driving belt wheel, a driven belt wheel and a belt. The driving belt wheel is connected to the rotation shaft <NUM> of the driving member <NUM>, and the driven belt wheel is connected to one end of the transmission shaft <NUM>. The driving belt wheel is connected to the driven belt wheel through the belt. An outer diameter of the driving belt wheel is smaller than an outer diameter of the driven belt wheel.

In an embodiment of the present application, the lifting storage-board assembly <NUM> includes a shelf body <NUM> and a guiding member <NUM>. The guiding member <NUM> includes two linear guiding rails <NUM> and two sliders <NUM>. The two linear guiding rails <NUM> are arranged in parallel and at intervals. When the shelf is used in a refrigerator, the two linear guiding rails <NUM> are arranged at both sides of the wind channel outer-housing <NUM>, and the two linear guiding rails <NUM> are symmetrical in the left and right direction. The two sliders <NUM> slidingly match with corresponding linear guiding rails <NUM> respectively, the slider <NUM> is connected to a second end of a corresponding flexible cable <NUM>, and two ends of the shelf body <NUM> are connected to the two sliders <NUM> one-to-one by bolts. The shelf body <NUM> is guided by the two linear guiding rails <NUM> and two sliders <NUM>, so that the shelf body <NUM> can only move in a preset direction. Two sliders <NUM> are driven by flexible cables <NUM> to move together to ensure that the shelf can be lifted and lowered smoothly and reliably under deviated load, the anti-deviation ability of the shelf body <NUM> can be effectively improved and the stability of the shelf body <NUM> during movement can be effectively improved.

It should be noted that only one shelf body <NUM> is arranged between the two sliders <NUM> in this embodiment, that is, a lifting storage-board assembly <NUM> includes one shelf body <NUM>. A lifting storage-board assemblies <NUM> can also include two or more shelf bodies <NUM>, where a distance between the shelf bodies <NUM> of the same lifting storage-board assemblies <NUM> is fixed, and when one of the shelf bodies <NUM> moves, the other shelf bodies <NUM> of the same lifting storage-board assemblies <NUM> also moves. The number of linear guiding rail <NUM> is not limited to two, but can only be one.

In an embodiment of the present application, the guiding member <NUM> further includes a connecting piece <NUM>. The connecting piece <NUM> is connected to the slider <NUM> by bolts, two ends of the shelf body <NUM> are connected to corresponding connecting piece <NUM> by bolts, and the connecting piece <NUM> is connected to a second end of a corresponding flexible cable <NUM>. By connecting the shelf body <NUM> and the slider <NUM> using the flexible cable <NUM>, the assembly and disassembly of the shelf body <NUM> are convenient.

In an embodiment of the present application, the connecting piece <NUM> is detachably connected to the second end of the corresponding flexible cable <NUM>, which can facilitate the assembly and disassembly of the shelf and facilitate the replacement of damaged flexible cable <NUM>.

In an embodiment of the present application, the connecting piece <NUM> is provided with a hanging hook <NUM>, and the second end of the flexible cable <NUM> is provided with a hanging ring which is fixed by a second collet <NUM>, where the hanging hook <NUM> is hung on the hanging ring, so that the hanging hook <NUM> is hung on the second end of the corresponding flexible cable <NUM>. Compared to other connection modes, by hanging the hanging hook <NUM> on the hanging ring, the assembly and disassembly of the shelf is easier and the user experience is enhanced.

In an embodiment of the present application, as shown in <FIG> and <FIG>, the shelf includes two lifting storage-board assemblies <NUM>, two driving assemblies <NUM> and four transmission assemblies <NUM>. The driving assembly <NUM> includes a driving member <NUM>, a transmission shaft <NUM>, a housing <NUM> and a transmission member <NUM> provided in the housing <NUM>. A rotating shaft <NUM> of the driving member <NUM> is connected to one end of a corresponding transmission shaft <NUM> through the transmission member <NUM>. One end of the transmission shaft <NUM> rotatably matches with the housing <NUM> through shaft bearing, and another end of the transmission shaft <NUM> rotatably matches with the housing <NUM> of another driving assembly <NUM> through shaft bearing.

The two driving assemblies <NUM> include a first driving assembly <NUM> and a second driving assembly <NUM>. The first transmission shaft <NUM> of the first driving assembly <NUM> and the second transmission shaft <NUM> of the second driving assembly <NUM> are parallel and are arranged at intervals. The first transmission shaft <NUM> is arranged above the second transmission shaft <NUM>, and a mounting space is arranged between the first transmission shaft <NUM> and the second transmission shaft <NUM>. The length of the first transmission shaft <NUM> is less than the length of the second transmission shaft <NUM>, so that the plate bodies <NUM> at both ends of the first transmission shaft <NUM> and the plate bodies <NUM> at both ends of the second transmission shaft <NUM> are staggered to avoid the mutual interference between the flexible cable <NUM> corresponding to the first driving assembly <NUM> and the flexible cable <NUM> corresponding to the second driving assembly <NUM>.

The driving member <NUM> is arranged between the first transmission shaft <NUM> and the second transmission shaft <NUM>, the outer housing of the driving member <NUM> is connected to the housing <NUM>, and the axis of the rotation shaft <NUM> of the driving member <NUM> is parallel to the axes of the transmission shafts <NUM>. Transmission member <NUM> includes driving gear <NUM> and driven gear <NUM>, where the driving gear <NUM> is connected to the rotating shaft <NUM> of the driving member <NUM>, the driven gear <NUM> is connected to one end of transmission shaft <NUM>, and the driving gear <NUM> is engaged with the driven gear <NUM>.

Each driving assembly <NUM> corresponds to two driving assemblies <NUM> which are arranged at intervals and arranged at both sides of the wind channel outer-housing <NUM>. The transmission assembly <NUM> includes the plate body <NUM> and the flexible cable <NUM>. The plate body <NUM> includes the first plate body <NUM> and the second plate body <NUM>. The first plate body <NUM> and the second plate body <NUM> are both annular plate body <NUM>, and the diameter of the first plate body <NUM> is equal to the diameter of the second plate body <NUM>. The second plate body <NUM> is arranged at the first side of the first plate body <NUM>, and the first plate body <NUM> and the second plate body <NUM> are connected by screws. The mounting portion <NUM> includes the groove <NUM> which is used to accommodate the flexible cable <NUM>, where the groove <NUM> is arranged at a position where the outer surface of the first plate body <NUM> is connected to the outer surface of the second plate body <NUM>. At this time, the peripheral surface of the first plate body <NUM> is a first sloping surface inclined to the second plate body <NUM>, and the peripheral surface of the second plate body <NUM> is a second sloping surface inclined to the first plate body <NUM>. The first sloping surface cooperates with the second sloping surface to form the groove <NUM>.

The accommodation cavity <NUM> and the arc groove <NUM> are arranged at the side of the second plate body <NUM> facing the first plate body <NUM>. The first end-opening <NUM> of the arc groove <NUM> is communicated with the accommodation cavity <NUM>, and the second end-opening <NUM> of the arc groove <NUM> is communicated with the arc groove <NUM>. The first end of the flexible cable <NUM> passes through the arc groove <NUM> to be connected to the first collet <NUM> in the accommodation cavity <NUM>, and the second end of the flexible cable <NUM> is configured to connect to the lifting storage-board assembly <NUM> after wrapping around the mounting portion <NUM> of the plate body <NUM>. The plate body <NUM> is provided with the first through hole <NUM> in the thickness direction of the plate body <NUM>, where the first through-hole <NUM> passes through the first plate body <NUM> and the second plate body <NUM> and communicates with the accommodation cavity <NUM>, and the two ends of the transmission shaft <NUM> are inserted into the corresponding first through hole <NUM>. The first through hole <NUM> is swivel-stopping hole, and the cross-sectional shapes of both ends of the transmission shaft <NUM> are matched with the shape of the first through hole <NUM>. The first plate body <NUM> is provided with a mounting opening <NUM> which is connected to the accommodation cavity <NUM>. The size of the mounting opening <NUM> is matched with the size of the first collet <NUM> to ensure that the first collet <NUM> can pass through the mounting opening <NUM>.

Both ends of the transmission shaft <NUM> are provided with a limiting member <NUM> and a locking member <NUM>. The limiting member <NUM> abuts against the first side of the corresponding plate body <NUM>, and the locking member <NUM> abuts against the second side of the corresponding plate body <NUM>. The two ends of the transmission shaft <NUM> are respectively provided with the second through hole <NUM>, and the locking member <NUM> includes the clamping pin <NUM>. After the clamping pin <NUM> is inserted in the second through hole <NUM>, the clamping portion of the clamping pin <NUM> clamps one end of the corresponding transmission shaft <NUM>. The limiting member <NUM> includes a limiting step <NUM> provided on the transmission shaft <NUM>. Any end of the transmission shaft <NUM> is provided with two limiting steps <NUM>, and the two limiting steps <NUM> are symmetrically arranged.

Both ends of the transmission shaft <NUM> are provided with a clamping groove <NUM> extending in the axial direction, the accommodation cavity <NUM> is provided with a first collet <NUM> therein, and the first end of the flexible cable <NUM> passes through the corresponding clamping groove <NUM> and then connects to the corresponding first collet <NUM>. The width of the first collet <NUM> is larger than the width of the clamping groove <NUM>. The clamping groove <NUM> can not only allow the first end of the flexible cable <NUM> to pass through, but also limit the first collet <NUM>, so that the first end of the flexible cable <NUM> is connected in the accommodation cavity <NUM>. And by limiting the clamping member <NUM> using the clamping groove <NUM>, the clamping member <NUM> can be fixed without providing other members, which reduces the number of members and simplifies the structure of the transmission assembly <NUM>.

The lifting storage-board assembly <NUM> includes a shelf body <NUM> and a guiding member <NUM>. The guiding member <NUM> includes two linear guiding rails <NUM>, two sliders <NUM> and two connecting pieces <NUM>. The two linear guiding rails <NUM> are arranged in parallel and at intervals. When the shelf is used in a refrigerator, two linear guiding rails <NUM> are vertically arranged inside the refrigerator, and the two linear guiding rails <NUM> are arranged at both sides of the wind channel outer-housing <NUM>. The two sliders <NUM> slidingly match with corresponding linear guiding rails <NUM> respectively, the two connecting pieces <NUM> are connected to the corresponding slider <NUM> by bolts, and the two ends of the shelf body <NUM> are connected to the two connecting pieces <NUM> one-to-one by bolts. The connecting piece <NUM> is provided with a hanging hook <NUM>, and the second end of the flexible cable <NUM> is provided with a hanging ring. The hanging ring is fixed by the second collet <NUM>, and the hanging hook <NUM> is hung on the hanging ring, so that the hanging hook <NUM> is hung on the second end of the corresponding flexible cable <NUM>.

When the driving member <NUM> drives the driving gear <NUM> to swivel, the driving gear <NUM> leads the driven gear <NUM> to swivel, the driven gear <NUM> leads the transmission shaft <NUM> to swivel, and the transmission shaft <NUM> leads the two plated bodies <NUM> to swivel synchronously, and then the two plated bodies <NUM> lead the shelf body <NUM> to be lifted and lowered along the linear guiding rail <NUM> through two flexible cables <NUM> to change the height of the shelf body <NUM> to meet the needs of placing food at different heights. Since there is no need for human operation, the user experience is improved, and the product competitiveness is enhanced.

An embodiment of the present application provides a storage cabinet, including a cabinet body, and further includes the shelf mentioned in any of the above embodiments, where the self is arranged in the cabinet body.

In an embodiment of the present application, <FIG> is a schematic structural diagram of a shelf applied to a refrigerator provided by an embodiment of the present application. As shown in <FIG>, the storage cabinet is a refrigerator, and the shelf is arranged on a refrigerator box body <NUM> in the cabinet body. The two linear guiding rails <NUM> of the same lifting storage-board assembly <NUM> are arranged at both sides of the wind channel outer-housing <NUM> to effectively utilize the limited space around the wind channel outer-housing <NUM> in the refrigerator. The specific type of the storage cabinet is not limited to this, but the storage cabinet can be a freezer or other storage cabinet.

The storage cabinet according to the embodiments of the present application, by using the above shelf, the shelf body <NUM> can be automatically lifted and lowered to improve the user experience and enhance the competitiveness of the product.

According to an embodiment of the present application, the cabinet body is provided with the wind channel outer-housing <NUM> therein. A mounting position <NUM> is provided between the wind channel outer-housing <NUM> and the inner side wall <NUM> of the cabinet body, and the transmission assembly <NUM> is arranged at the mounting position <NUM> and connected to the lifting storage-board assembly <NUM> and the driving assembly <NUM>.

By arranging the transmission assembly <NUM> in the gap between the wind channel outer-housing <NUM> and the inner side wall <NUM> of the cabinet body, where the gap is the mounting position <NUM> used for accommodating the transmission assembly <NUM>, the transmission assembly <NUM> does not occupy the actual storage space in the cabinet body, and it facilitates maintaining the regularity and integrity of the storage space and improves the convenience of storage.

According to an embodiment of the present application, it further includes a guiding member. The guiding member is arranged at the mounting position <NUM>, the guiding member is slidably provided with a slider <NUM>, and the lifting storage-board assembly <NUM> is connected to the slider <NUM>.

The guiding member can include two linear guiding rail <NUM>, and correspondingly, the number of sliders <NUM> is two. The two linear guiding rails <NUM> are parallel and arranged at intervals. When the shelf is used in the interior of the refrigerator, the two linear guiding rails <NUM> are arranged at both sides of the wind channel outer-housing <NUM> respectively, and the two linear guiding rails <NUM> are symmetrical in the left and right direction. The two sliders <NUM> slidingly match with corresponding linear guiding rails <NUM> respectively. The slider <NUM> can be connected to the second end of the corresponding flexible cable <NUM>. The two ends of the shelf assembly are connected to the two sliders <NUM> one-to-one by bolts. The shelf assembly is guided by two linear guiding rails <NUM> and two sliders <NUM>, so that the shelf assembly can only move in a preset direction. Two sliders <NUM> are driven by flexible cables <NUM> to move together to ensure that the shelf can be lifted and lowered smoothly and reliably under deviated load, the anti-deviation ability of the shelf body <NUM> can be effectively improved and the stability of the shelf body <NUM> during movement can be effectively improved.

It should be noted that the number of linear guiding rails <NUM> is not limited to two, but can be only one.

Claim 1:
A shelf, comprising:
at least two lifting storage-board assemblies (<NUM>);
at least two driving assemblies (<NUM>), wherein each of the driving assemblies (<NUM>) comprises a driving member (<NUM>) and a transmission shaft (<NUM>) connected to the driving member (<NUM>) in a transmission manner, and a housing (<NUM>),
at least four transmission assemblies (<NUM>), wherein each of the transmission assemblies (<NUM>) comprises a plate body (<NUM>) and a flexible cable (<NUM>), the plate body (<NUM>) is connected to a corresponding transmission shaft (<NUM>), a first end of the flexible cable (<NUM>) is connected to the plate body (<NUM>), and a second end of the flexible cable (<NUM>) is configured to wrap around a mounting portion (<NUM>) of the plate body (<NUM>) and then connect to a corresponding lifting storage-board assembly (<NUM>); characterized in that the two transmission shafts (<NUM>) are arranged adjacently at intervals along a set direction and staggered and
wherein the at least two transmission shafts (<NUM>) are connected through the two housings (<NUM>).