CN115900210A - Shelf and locker - Google Patents

Abstract

The invention relates to the field of storage equipment, and provides a shelf and a storage cabinet, wherein the shelf comprises a lifting storage plate assembly, a driving assembly and a transmission assembly, the transmission assembly comprises a tray body and a flexible cable, the tray body is connected with a transmission shaft, a containing cavity and an arc-shaped groove are formed inside the tray body, a first port of the arc-shaped groove is communicated with the containing cavity, and a second port of the arc-shaped groove is communicated with the outside of the tray body; the first end of the flexible cable penetrates through the arc-shaped groove to be fixed in the accommodating cavity, and the second end of the flexible cable is suitable for being wound on the mounting part of the tray body and then is connected with the corresponding lifting storage board assembly. The shelf can realize automatic lifting of the shelf, manual operation is not needed, and the user experience is improved; the arc-shaped groove is formed in the disc body, so that the flexible cable can rotate smoothly, the phenomenon that the flexible cable is broken due to stress concentration in the process of winding along the disc body is avoided, the winding rotation load capacity of the flexible cable is improved, the winding rotation service life of the flexible cable is prolonged, and the service life of the transmission assembly is prolonged.

Description

Shelf and locker

Technical Field

The invention relates to the field of storage equipment, in particular to a storage rack and a storage cabinet.

Background

The partition plates of the refrigerator in the related art are fixed, and when large food is placed into the refrigerator, the positions of the partition plates need to be changed manually, so that the refrigerator is inconvenient to operate, and the user experience is seriously influenced.

Although some refrigerators with electric lifting shelves appear in the market at present, the transmission assemblies of the electric lifting shelves mostly drive the shelves to lift through the matching of the rotary table and the steel wire ropes, but the joints of the steel wire ropes and the rotary table often lead to the breakage of the steel wire ropes due to abrasion, the winding rotary load capacity of the steel wire ropes is lower, the winding rotary service life of the steel wire ropes is shorter, and the service life of the transmission assemblies is further shortened.

Disclosure of Invention

The present invention has been made to solve at least one of the problems occurring in the related art. Therefore, the invention provides the shelf, which can enable the winding rotation of the flexible cable to be smoothly transited, improves the winding rotation load capacity of the flexible cable, prolongs the winding rotation service life of the flexible cable, and prolongs the service life of a transmission assembly.

The invention also provides a storage cabinet.

A shelf according to an embodiment of the first aspect of the invention comprises:

lifting the storage plate assembly;

the driving assembly comprises a driving piece and a transmission shaft, and the driving piece is in transmission connection with the transmission shaft;

the transmission assembly comprises a disc body and a flexible cable, the disc body is connected with the transmission shaft, a containing cavity and an arc-shaped groove are formed inside the disc body, a first port of the arc-shaped groove is communicated with the containing cavity, and a second port of the arc-shaped groove is communicated with the outside of the disc body; the first end of the flexible cable penetrates through the arc-shaped groove and is fixed in the accommodating cavity, and the second end of the flexible cable is suitable for being wound on the installation part of the tray body and then is connected with the corresponding lifting storage board assembly.

According to the shelf provided by the embodiment of the invention, the driving shaft is driven to rotate by the driving part, and the rotating driving shaft drives the lifting storage plate assembly to lift along the set direction through the driving assembly, so that the shelf can be lifted automatically without manual operation, and the user experience is improved; the arc-shaped groove is formed in the disc body, so that the flexible cable can smoothly rotate in a winding mode, the phenomenon that the flexible cable is abraded and broken due to stress concentration in the process of winding along the disc body is avoided, the winding rotation load capacity of the flexible cable is improved, the winding rotation service life of the flexible cable is prolonged, and the service life of the transmission assembly is prolonged.

According to one embodiment of the present invention, the tray body is provided with first through holes in a thickness direction, the first through holes communicate with the accommodating cavities, and the transmission shafts are inserted into the corresponding first through holes.

According to one embodiment of the invention, the transmission shaft is provided with a limiting member and a locking member, the limiting member abuts against the first side of the corresponding disc body, and the locking member abuts against the second side of the corresponding disc body.

According to one embodiment of the invention, the end of the transmission shaft is provided with a second through hole, the locking piece is inserted into the corresponding second through hole, and the limiting piece comprises a limiting step arranged on the transmission shaft.

According to one embodiment of the invention, the end of the transmission shaft is provided with a clamping groove extending along the axial direction, a clamping part is arranged in the accommodating cavity, and the first end of the flexible cable is connected with the corresponding clamping part.

According to one embodiment of the invention, the tray body comprises a first tray body and a second tray body which are detachably connected, the second tray body is arranged on the first side of the first tray body, and the accommodating cavity and the arc-shaped groove are formed on one side, facing the first tray body, of the second tray body; the mounting portion comprises a groove, the groove is formed at the joint of the outer peripheral face of the first tray body and the outer peripheral face of the second tray body, or the groove is formed in the outer peripheral face of the second tray body.

According to one embodiment of the invention, the drive assembly further comprises a housing and a transmission member, one end of the transmission shaft is rotatably fitted with the housing, and the other end of the transmission shaft is rotatably fitted with the housing of the adjacent drive assembly; the transmission part is arranged in the shell and comprises a driving gear and a driven gear, the driving gear is connected with a rotating shaft of the driving piece, the driven gear is connected with one end of the transmission shaft, and the driving gear is meshed with the driven gear.

According to one embodiment of the invention, the number of the driving assemblies is at least two, two adjacent transmission shafts are parallel, and the rotating shaft of the driving part is parallel or vertical to the transmission shafts.

According to one embodiment of the invention, the lifting storage plate assembly comprises a shelf body and a guide part, the guide part comprises linear guide rails and sliding blocks, the sliding blocks are matched with the corresponding linear guide rails in a sliding mode and connected with the second ends of the corresponding flexible cables, and the shelf body is connected with the sliding blocks.

According to an embodiment of the invention, the guide part further comprises a connecting piece, and the sliding blocks are respectively connected with the shelf body and the second end of the corresponding flexible cable through the connecting piece.

According to one embodiment of the invention, the connecting piece is detachably connected to the second end of the corresponding flexible cable.

According to one embodiment of the invention, the connecting piece is provided with a hook, and the hook is hooked with the second end of the corresponding flexible cable.

The storage cabinet comprises a cabinet body and a shelf, wherein the shelf is arranged in the cabinet body.

One or more technical solutions in the embodiments of the present invention at least have one of the following technical effects:

according to the shelf provided by the embodiment of the invention, the driving shaft is driven to rotate by the driving part, and the rotating driving shaft drives the lifting storage plate assembly to lift along the set direction through the driving assembly, so that the shelf can be lifted automatically without manual operation, and the user experience is improved; the arc-shaped groove is formed in the disc body, so that the flexible cable can smoothly rotate in a winding mode, the phenomenon that the flexible cable is broken due to stress concentration in the process of winding along the disc body is avoided, the winding rotation load capacity of the flexible cable is improved, the winding rotation service life of the flexible cable is prolonged, and the service life of the transmission assembly is prolonged.

Furthermore, according to the storage cabinet provided by the embodiment of the invention, the shelf can be automatically lifted, so that the user experience is improved, and the product competitiveness is enhanced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related arts, the drawings used in the description of the embodiments or the related arts will be briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a shelf and a duct provided by an embodiment of the invention;

FIG. 2 is a schematic view of the shelf of the present invention with the shelf removed;

FIG. 3 is a schematic structural diagram of a transmission assembly provided by an embodiment of the present invention;

FIG. 4 is an exploded view of the transmission assembly provided by the present invention;

FIG. 5 is a schematic structural diagram of the first tray and the second tray according to the embodiment of the present invention;

FIG. 6 is a schematic top view of a driving assembly according to an embodiment of the present invention;

FIG. 7 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a schematic diagram of the connection between the drive assembly and the transmission assembly provided by the embodiment of the present invention;

fig. 9 is a schematic structural view of a shelf applied to a refrigerator according to an embodiment of the present invention.

Reference numerals are as follows:

100. a drive assembly; 102. a tray body; 104. a groove; 106. an accommodating chamber; 108. an arc-shaped slot; 110. a first through hole; 111. a first tray body; 112. a second tray body; 114. a first chuck; 116. a drive shaft; 118. a bayonet lock; 120. a limiting step; 122. a card slot; 124. an installation port; 126. a flexible cable; 128. a second chuck; 130. a drive member; 132. a housing; 134. a driving gear; 136. a driven gear; 138. a shelf body; 140. a linear guide rail; 142. a slider; 144. connecting sheets; 146. hooking; 148. an air duct; 150. a refrigerator body; 200. the lifting storage plate component.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Fig. 1 illustrates a structural schematic view of a shelf and an air duct provided by an embodiment of the present invention, fig. 2 illustrates a structural schematic view of the shelf provided by the embodiment of the present invention after a storage plate is removed, fig. 3 illustrates a structural schematic view of a transmission assembly provided by the embodiment of the present invention, and fig. 5 illustrates structural schematic views of a first tray and a second tray provided by the embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3, and fig. 5, the shelf includes a lifting storage plate assembly 200, a driving assembly 100, and a transmission assembly, and the lifting storage plate assembly 200 is lifted along a set direction.

The driving assembly 100 includes a driving member 130 and a transmission shaft 116, and the driving member 130 is in transmission connection with the transmission shaft 116. The transmission assembly comprises a disc body 102 and a flexible cable 126, the disc body 102 is connected with the transmission shaft 116, a containing cavity 106 and an arc-shaped groove 108 are formed inside the disc body 102, a first port of the arc-shaped groove 108 is communicated with the containing cavity 106, and a second port of the arc-shaped groove 108 is communicated with the outside of the disc body 102; a first end of the wire 126 is secured within the receiving cavity 106 through the arcuate slot 108 and a second end of the wire 126 is adapted to be wound around the mounting portion of the tray 102 and then coupled to a corresponding lift shelf assembly 200.

According to the shelf provided by the embodiment of the invention, the driving shaft 116 is driven to rotate by the driving part 130, and the rotating driving shaft 116 drives the lifting storage plate assembly 200 to lift along a set direction through the driving assembly, so that the shelf can be automatically lifted without manual operation, and the user experience is improved; the arc-shaped groove 108 is formed in the disc body, so that the winding rotation of the flexible cable 126 can be smoothly transited, the phenomenon that the flexible cable 126 is abraded and broken due to stress concentration in the winding process of the disc body is avoided, the winding rotation load capacity of the flexible cable 126 is improved, the winding rotation service life of the flexible cable 126 is prolonged, and the service life of a transmission assembly is prolonged.

In the embodiment of the invention, the driving part 130 is arranged between two adjacent transmission shafts 116, so that the space between two adjacent transmission shafts 116 is effectively utilized, the shelf is more compact, the space occupied by the shelf is reduced, and the utilization rate of the internal space of the refrigerator is improved.

In the embodiment of the present invention, the shelf includes two lifting shelf board assemblies 200, two driving assemblies 100 and four transmission assemblies, the driving assemblies 100 correspond to the lifting shelf board assemblies 200 one by one, and one driving assembly 100 drives one lifting shelf board assembly 200 to lift through the two transmission assemblies. In the process of controlling the two lifting storage board assemblies 200 to lift, one of the lifting storage board assemblies 200 can be controlled independently to lift, and the two lifting storage board assemblies 200 can also be controlled simultaneously to lift.

It should be noted that the number of the lifting shelf board assemblies 200 and the driving assemblies 100 is not limited to two, and three or more driving assemblies may be provided, and the number of the driving assemblies is twice as many as the number of the driving assemblies 100.

In the embodiment of the present invention, the shelf includes two driving assemblies 100, the transmission shafts 116 of the two driving assemblies 100 are horizontally arranged at intervals, and two ends of the transmission shafts 116 are detachably connected to the corresponding tray 102 respectively. The transmission shaft 116 has a connection effect on the two disc bodies 102, the two disc bodies 102 are connected through the transmission shaft 116, and only one driving assembly 100 is needed to simultaneously drive the two disc bodies 102 to synchronously rotate, so that the number of parts of the driving assembly 100 is reduced, the structure of the driving assembly 100 is simplified, and the production cost is reduced. Removably coupling drive shaft 116 to tray 102 facilitates installation and removal of drive assembly 100 and facilitates maintenance of damaged components.

In the embodiment of the present invention, the flexible cable 126 is a steel cable with a large load, which ensures that the shelf can carry heavier objects. Of course, the flexible cable 126 may also be a rope, a wire, or a chain. The mounting portion comprises a groove 104 arranged on the outer peripheral surface of the disc body 102, and the side wall of the groove 104 is used for limiting the flexible cable 126, so that when the disc body 102 rotates in the positive direction, the flexible cable 126 can be automatically wound in the groove 104.

In the embodiment of the present invention, as shown in fig. 5, the tray body 102 is provided with first through holes 110 in the thickness direction, the first through holes 110 are connected with the accommodating cavities 106, and the transmission shafts 116 are inserted into the corresponding first through holes 110. The disc 102 is a circular disc 102, and the center of the first through hole 110 coincides with the center of the disc 102.

In the embodiment of the present invention, the transmission shaft 116 is provided with a limiting member and a locking member, the limiting member abuts against a first side of the corresponding tray 102, and the locking member abuts against a second side of the corresponding tray 102. Because the tray 102 is located between the retaining member and the locking member, the retaining member and the locking member cooperate to connect the tray 102 to two ends of the transmission shaft 116, so as to prevent the tray 102 from moving axially along the transmission shaft 116. Locking the tray 102 with a retaining member may simplify the steps of mounting and dismounting the tray 102.

In the embodiment of the present invention, the end of the transmission shaft 116 is provided with a second through hole, the locking member is inserted into the corresponding second through hole, and the limiting member includes a limiting step 120 disposed on the transmission shaft 116. Two ends of the transmission shaft 116 are provided with two limiting steps 120, the two limiting steps 120 are symmetrically arranged, and other limiting parts do not need to be arranged after the limiting steps 120 are arranged, so that the number of parts of the shelf is reduced, and the structure of the shelf is simplified.

Here, it should be noted that the outer circumferential surfaces of the two ends of the transmission shaft 116 are respectively milled with at least one plane, so that the outer circumferential surfaces of the two ends of the transmission shaft 116 are respectively formed with the limit steps 120.

In an embodiment of the present invention, as shown in fig. 3, the locking member includes a detent 118, and after the detent 118 is inserted into the second through hole, a clamping portion of the detent 118 clamps an end of the corresponding transmission shaft 116, so as to achieve both locking of the tray 102 and locking of the detent 118 itself, and prevent the detent 118 from falling off during rotation of the tray 102. Additionally, the use of detents 118 may also facilitate the installation and removal of the tray 102.

In one embodiment of the invention, the locking member includes a pin, and after the pin is inserted into the second through hole, the open end of the pin needs to be bent to prevent the pin from falling off during the rotation of the tray 102.

In one embodiment of the present invention, the edge of the first through-hole 110 is provided with a key groove, and the locker includes a key pin inserted into the key groove, thereby coupling the tray 102 with the driving shaft 116.

In one embodiment of the present invention, both ends of the driving shaft 116 are provided with threads, and the locking member includes nuts, and the two nuts are respectively connected with both ends of the driving shaft 116 in a one-to-one correspondence. Of course, the particular type of retaining member can take many forms and is not limited to only bayonet 118, a pin, or a nut.

In an embodiment of the present invention, the limiting member includes a snap spring, two ends of the transmission shaft 116 are provided with annular grooves, the annular grooves are located on the first side of the tray body 102, and the snap spring is snapped into the annular grooves to limit the tray body 102.

In an embodiment of the present invention, the limiting member includes a limiting ring, two ends of the transmission shaft 116 are respectively provided with a limiting ring, the limiting rings are integrally formed with the transmission shaft 116, the limiting rings are located on the first side of the disc body 102, and the limiting rings can limit the disc body 102.

It should be noted that the specific type of the limiting member is not limited to the snap spring, the limiting ring and the limiting step 120, and may be other types of limiting members.

In the embodiment of the present invention, the first through hole 110 is a rotation hole, and the cross-sectional shapes of both ends of the transmission shaft 116 are matched with the shape of the first through hole 110. The first through hole 110 is a rotation stop hole, and the transmission shaft 116 is inserted into the first through hole 110 to prevent the disc 102 and the transmission shaft 116 from rotating relatively.

It should be noted that the rotation stopping holes may be a kidney-shaped hole, a rectangular hole, a regular polygonal hole, a triangular hole or other types of non-circular holes.

In the embodiment of the present invention, the end of the transmission shaft 116 is provided with a clamping groove 122 extending along the axial direction, the accommodating cavity 106 is provided with a clamping component, and the first end of the flexible cable 126 passes through the corresponding clamping groove 122 and then is connected with the corresponding clamping component. Set up draw-in groove 122 and can allow the first end of flexible cable 126 to pass through, can carry on spacingly to clamping part again to the realization is connected to the first end of flexible cable 126 and is held in chamber 106, utilizes draw-in groove 122 to carry on spacingly to clamping part moreover, need not to set up alone that the part is fixed clamping part, has reduced the quantity of part, has simplified transmission assembly's structure.

In an embodiment of the present invention, fig. 4 illustrates an exploded structure diagram of a transmission assembly provided by an embodiment of the present invention, and as shown in fig. 4, the clamping component includes a first clamping head 114, and a width of the first clamping head 114 is greater than a width of the clamping slot 122. Since the width of the first collet 114 is greater than the width of the slot 122, the first collet 114 cannot pass through the slot 122, thereby securing the first end of the wire 126. The use of the first collet 114 to couple the disc 102 to the cable 126 ensures a secure and reliable coupling between the disc 102 and the cable 126.

Here, the manner of fixing the first end of the flexible cable 126 is not limited to this, and a stopper groove having a width smaller than that of the first collet 114 may be provided in the housing chamber 106. When the cable is installed, the first end of the flexible cable 126 is clamped into the limiting groove to play a role in fixing.

In the embodiment of the present invention, as shown in fig. 4, the tray 102 includes a first tray 111 and a second tray 112, the first tray 111 and the second tray 112 are both circular trays, and the diameter of the first tray 111 is equal to the diameter of the second tray 112. The second tray 112 is disposed on a first side of the first tray 111, and the receiving cavity 106 and the arc-shaped groove 108 are formed on a side of the second tray 112 facing the first tray 111. The mounting portion includes a groove 104, and the groove 104 is formed at a junction of an outer circumferential surface of the first tray body 111 and an outer circumferential surface of the second tray body 112. At this time, the outer circumferential surface of the first tray 111 is a first inclined surface inclined toward the second tray 112, the outer circumferential surface of the second tray 112 is a second inclined surface inclined toward the first tray 111, and the first inclined surface and the second inclined surface cooperate to form the groove 104. Of course, the groove 104 may be formed only on the outer circumferential surface of the second disc 112.

In the embodiment of the present invention, the first tray 111 is provided with a mounting port 124, and the mounting port 124 is connected with the accommodating chamber 106. The size of the mounting opening 124 is adapted to the size of the first jaw 114 to ensure that the drive assembly can be conveniently mounted through the mounting opening 124.

In one embodiment of the present invention, the first tray 111 and the second tray 112 are connected by screws to facilitate the mounting and dismounting of the first tray 111 and the second tray 112. Of course, the connection manner between the first tray 111 and the second tray 112 is not limited to this, and a latch may be disposed on one of the first tray 111 and the second tray 112, and a hole may be disposed on the other of the first tray 111 and the second tray 112, so that the latch is latched into the hole, thereby achieving the detachable connection between the first tray 111 and the second tray 112.

In the embodiment of the present invention, fig. 6 isbase:Sub>A schematic top structure diagram ofbase:Sub>A driving assembly provided in the embodiment of the present invention, fig. 7 isbase:Sub>A schematic cross-sectional structure diagram of fig. 6 taken alongbase:Sub>A sectional linebase:Sub>A-base:Sub>A, fig. 8 isbase:Sub>A schematic connection relationship diagram of the driving assembly andbase:Sub>A transmission assembly provided in the embodiment of the present invention, and as shown in fig. 6, fig. 7 and fig. 8,base:Sub>A shelf includes two driving assemblies 100, i.e.,base:Sub>A first driving assembly andbase:Sub>A second driving assembly, wherebase:Sub>A transmission shaft 116 of the first driving assembly is referred to asbase:Sub>A first transmission shaft, andbase:Sub>A transmission shaft 116 of the second driving assembly is referred to asbase:Sub>A second transmission shaft. The first transmission shaft and the second transmission shaft are arranged in parallel at intervals, the first transmission shaft is positioned above the second transmission shaft, and a certain space is formed between the first transmission shaft and the second transmission shaft for installing the driving part 130. The length of the first transmission shaft is smaller than that of the second transmission shaft, so that the discs 102 at the two ends of the first transmission shaft and the discs 102 at the two ends of the second transmission shaft are staggered, and the flexible cables 126 of the first driving assembly and the flexible cables 126 of the second driving assembly are prevented from interfering with each other in the movement process.

The driving assembly 100 includes a driving member 130, a transmission shaft 116, a housing 132 and a transmission part disposed in the housing 132, wherein a rotation shaft of the driving member 130 is connected to one end of the corresponding transmission shaft 116 through the transmission part, one end of the transmission shaft 116 is rotatably engaged with the housing 132, and the other end of the transmission shaft 116 is rotatably engaged with the housing 132 of another driving assembly 100. In order to improve the stability of the transmission shaft 116 during rotation, a bearing is disposed inside the housing 132, the bearing is sleeved on the outer circumferential surface of the transmission shaft 116, and the transmission shaft 116 is rotatably engaged with the housing 132 through the bearing. The two transmission shafts 116 are connected through the shell 132, so that the two driving assemblies 100 are integrally designed and arranged, the structure of the driving assemblies 100 is simplified, the mounting and the dismounting are convenient, the compactness of the rack is improved, the space occupied by the rack is reduced, and the limited space around the air duct 148 in the refrigerator can be effectively utilized. The transmission member is used to reduce the rotational speed of the drive shaft 116 and increase the torque of the drive shaft 116, thereby increasing the load on the drive assembly 100.

In the embodiment of the present invention, the driving element 130 is disposed between the transmission shafts 116 of the two driving assemblies 100, and an axis of a rotation shaft of the driving element 130 is parallel to an axis of the transmission shaft 116. The shell of the driving member 130 is connected with the shell 132, and the driving member 130 is fixed between the transmission shafts 116 of the two driving assemblies 100, so that the compactness of the shelf can be further improved, the space occupied by the shelf is reduced, and the limited space around the air duct 148 in the refrigerator can be effectively utilized.

Here, the driving member 130 may be a motor, and may also be a motor with a speed reducer. The axis of the rotating shaft of the driving member 130 may be perpendicular to the axis of the transmission shaft 116, and the driving member 130 is connected to the transmission shaft 116 through a pair of bevel teeth.

In the embodiment of the present invention, the transmission part includes a driving gear 134 and a driven gear 136, the driving gear 134 is connected to a rotation shaft of the driving member 130, the driven gear 136 is connected to one end of the transmission shaft 116, and the driving gear 134 is engaged with the driven gear 136. By using the gear assembly for transmission, the stability and reliability of the transmission between the driving member 130 and the transmission shaft 116 are improved, and the transmission efficiency and the bearing capacity of the transmission part are also improved.

Here, the number of gears of the transmission member is not limited to two, and a plurality of gears may be provided between the driving gear 134 and the driven gear 136 to perform transmission, specifically, determined by the difference in the rotational speed between the driving member 130 and the transmission shaft 116.

In one embodiment of the present invention, the driving part includes a driving pulley connected to the rotation shaft of the driving member 130, a driven pulley connected to one end of the transmission shaft 116, and a belt, the driving pulley is connected to the driven pulley through the belt, and an outer diameter of the driving pulley is smaller than that of the driven pulley.

In one embodiment of the present invention, the lifting shelf board assembly 200 includes a shelf body 138 and a guide component, the guide component includes two linear guide rails 140 and two sliders 142, the two linear guide rails 140 are arranged in parallel and at intervals, when the shelf is used in the refrigerator, the two linear guide rails 140 are respectively arranged at two sides of the air duct 148, and the two linear guide rails 140 are bilaterally symmetrical. The two sliding blocks 142 are respectively in sliding fit with the corresponding linear guide rails 140, the sliding blocks 142 are connected with the second ends of the corresponding flexible cables 126, and two ends of the shelf body 138 are connected with the two sliding blocks 142 in a one-to-one correspondence manner through bolts. The shelf body 138 is guided by the matching of the two linear guide rails 140 and the two sliding blocks 142, so that the shelf body 138 can only move along a preset direction; the two sliding blocks are driven by the two flexible cables 126 to move together, so that the shelf can be stably and reliably lifted under the condition of unbalance loading, the anti-bias capacity of the shelf body 138 is effectively improved, and the stability of the shelf body 138 in the moving process is improved.

It should be noted that in the present embodiment, only one shelf body 138 is disposed between the two sliding blocks 142, that is, one lifting shelf board assembly 200 includes one shelf body 138. Of course, a set of the lifting shelf board assemblies 200 may also include two or more shelf bodies 138, and at this time, the distance between the shelf bodies 138 of the same set of the lifting shelf board assemblies 200 is fixed, and when one of the shelf bodies 138 moves, the other shelf bodies 138 of the same set also move together. The number of the linear guides 140 is not limited to two, and only one may be provided.

In the embodiment of the present invention, the guiding component further includes a connecting piece 144, the connecting piece 144 is connected to the sliding block 142 through a bolt, two ends of the shelf body 138 are correspondingly connected to the two connecting pieces 144 through bolts, respectively, and the connecting pieces 144 are connected to the second ends of the corresponding flexible cables 126. The flexible cable 126 is used for connecting the shelf body 138 and the sliding block 142, so that the shelf body 138 can be conveniently mounted and dismounted.

In the embodiment of the present invention, the connecting piece 144 is detachably connected to the second end of the corresponding flexible cable 126, and the connecting piece 144 is detachably connected to the second end of the flexible cable 126, so that the shelf can be conveniently mounted and dismounted, and the damaged flexible cable 126 can be conveniently replaced.

In the embodiment of the present invention, the connecting piece 144 is provided with a hook 146, the second end of the flexible cable 126 is provided with a hanging ring, the hanging ring is fixed by the second chuck 128, and the hook 146 is hooked with the hanging ring, so that the hook 146 is hooked with the second end of the corresponding flexible cable 126. Compared with other connection modes, the hanging connection mode can enable the shelf to be mounted and dismounted more conveniently, and the user experience is enhanced.

In the embodiment of the present invention, as shown in fig. 1 to 8, the shelf includes two lifting storage plate assemblies 200, two driving assemblies 100 and four transmission assemblies, each driving assembly 100 includes a driving member 130, a transmission shaft 116, a housing 132 and a transmission part disposed in the housing 132, a rotation shaft of the driving member 130 is connected to one end of the corresponding transmission shaft 116 through the transmission part, one end of the transmission shaft 116 is rotatably engaged with the housing 132 through a bearing, and the other end of the transmission shaft 116 is rotatably engaged with the housing 132 of another driving assembly 100 through a bearing.

The two driving assemblies 100 are respectively a first driving assembly and a second driving assembly, a first transmission shaft of the first driving assembly is parallel to and spaced from a second transmission shaft of the second driving assembly, the first transmission shaft is located above the second transmission shaft, and an installation space is formed between the first transmission shaft and the second transmission shaft. The length of the first transmission shaft is smaller than that of the second transmission shaft, so that the discs 102 at the two ends of the first transmission shaft and the discs 102 at the two ends of the second transmission shaft are staggered, and the flexible cables 126 corresponding to the first driving assembly and the flexible cables 126 corresponding to the second driving assembly are prevented from interfering with each other.

The driving member 130 is disposed between the first transmission shaft and the second transmission shaft, a housing of the driving member 130 is connected to the casing 132, and an axis of a rotation shaft of the driving member 130 is parallel to an axis of the transmission shaft 116. The transmission part comprises a driving gear 134 and a driven gear 136, the driving gear 134 is connected with the rotating shaft of the driving member 130, the driven gear 136 is connected with one end of the transmission shaft 116, and the driving gear 134 is meshed with the driven gear 136.

Each driving assembly 100 corresponds to two driving assemblies, the two driving assemblies are arranged at intervals and are respectively arranged on two sides of the air duct 148, each driving assembly comprises a tray body 102 and a flexible cable 126, the tray body 102 comprises a first tray body 111 and a second tray body 112, the first tray body 111 and the second tray body 112 are both circular tray bodies, the diameter of the first tray body 111 is equal to that of the second tray body 112, the second tray body 112 is arranged on the first side of the first tray body 111, and the first tray body 111 is connected with the second tray body 112 through screws. The mounting portion includes a groove 104, the groove 104 is used for accommodating the flexible cable 126, the groove 104 is formed at a connection portion between the outer peripheral surface of the first tray body 111 and the outer peripheral surface of the second tray body 112, at this time, the outer peripheral surface of the first tray body 111 is a first inclined surface inclined toward one side of the second tray body 112, the outer peripheral surface of the second tray body 112 is a second inclined surface inclined toward one side of the first tray body 111, and the first inclined surface and the second inclined surface cooperate to form the groove 104.

The accommodation chamber 106 and the arc-shaped groove 108 are formed on a side of the second tray 112 facing the first tray 111, a first port of the arc-shaped groove 108 communicates with the accommodation chamber 106, and a second port of the arc-shaped groove 108 communicates with the arc-shaped groove 108. A first end of the wire 126 is coupled to the first jaw 114 within the receiving cavity 106 through the arcuate slot 108 and a second end of the wire 126 is adapted to be coupled to the lifter shelf assembly 200 about a mounting portion of the tray 102. The tray body 102 is provided with first through holes 110 along a thickness direction, the first through holes 110 penetrate through the first tray body 111 and the second tray body 112, the first through holes 110 are communicated with the accommodating cavities 106, and the transmission shafts 116 are inserted into the corresponding first through holes 110. The first through hole 110 is a rotation hole, and the cross-sectional shapes of both ends of the transmission shaft 116 are matched with the shape of the first through hole 110. The first plate 111 is provided with a mounting opening 124, the mounting opening 124 is connected with the receiving cavity 106, and the size of the mounting opening 124 is matched with the size of the first jaw 114 to ensure that the first jaw 114 can pass through the mounting opening 124.

The transmission shaft 116 is provided with a limiting member and a locking member, the limiting member abuts against a first side of the corresponding tray 102, and the locking member abuts against a second side of the corresponding tray 102. The end of the transmission shaft 116 is provided with a second through hole, the locking member includes a latch 118, and after the latch 118 is inserted into the second through hole, a clamping portion of the latch 118 clamps an end of the corresponding transmission shaft 116. The limiting member includes a limiting step 120 disposed on the transmission shaft 116. Any end of the transmission shaft 116 is provided with two limiting steps 120, and the two limiting steps 120 are symmetrically arranged.

The end of the transmission shaft 116 is provided with a clamping groove 122 extending along the axial direction, the accommodating cavity 106 is provided with a first clamping head 114, and a first end of the flexible cable 126 passes through the corresponding clamping groove 122 and then is connected with the corresponding first clamping head 114. The width of the first clamping head 114 is greater than the width of the notch of the clamping groove 122, the clamping groove 122 is arranged to allow the first end of the flexible cable 126 to pass through, and the first clamping head 114 can be limited, so that the first end of the flexible cable 126 is connected into the accommodating cavity 106, the clamping part is limited by the clamping groove 122, the clamping part is not required to be fixed by independently arranging parts, the number of parts is reduced, and the structure of the transmission assembly is simplified.

The lifting storage plate assembly 200 comprises a shelf body 138 and a guide part, wherein the guide part comprises two linear guide rails 140, two sliding blocks 142 and two connecting pieces 144, and the two linear guide rails 140 are arranged in parallel at intervals. When the shelf is used in a refrigerator, two linear guide rails 140 are vertically disposed inside the refrigerator, and the two linear guide rails 140 are respectively disposed at both sides of the air duct 148. The two sliding blocks 142 are respectively in sliding fit with the corresponding linear guide rails 140, the two connecting pieces 144 are connected with the corresponding sliding blocks 142 through bolts, and two ends of the shelf body 138 are respectively in one-to-one corresponding connection with the two connecting pieces 144 through bolts. The connecting piece 144 is provided with a hook 146, the second end of the flexible cable 126 is provided with a hanging ring, the hanging ring is fixed through the second chuck 128, and the hook 146 is hung with the hanging ring, so that the hook 146 is hung with the second end of the corresponding flexible cable 126.

When driving piece 130 drive driving gear 134 rotated, driving gear 134 drove driven gear 136 and rotates, driven gear 136 drove transmission shaft 116 and rotates, transmission shaft 116 drove two disk body 102 synchronous rotations, two pivoted disk bodies 102 drive shelf body 138 through two flexible cables 126 respectively and follow linear guide 140 up-and-down motion, and then change the height of shelf body 138, in order to satisfy the needs of placing not co-altitude food, owing to need not the manual work and mediate, user experience has improved, product competitiveness has been strengthened.

In a second aspect, the embodiment of the invention provides a storage cabinet, which comprises a cabinet body and a shelf according to any one of the above embodiments, wherein the shelf is arranged in the cabinet body.

In the embodiment of the present invention, fig. 9 illustrates a schematic structural view when the shelf provided by the embodiment of the present invention is applied to a refrigerator, as shown in fig. 9, the storage cabinet is a refrigerator, the shelf is disposed on a refrigerator body 150 in the cabinet, and two linear guide rails 140 of the same lifting storage board assembly are respectively disposed at two sides of an air duct 148 to fully utilize a limited space around the air duct 148 in the refrigerator, of course, the specific type of the storage cabinet is not limited thereto, and the storage cabinet may be a freezer or other storage cabinet.

According to the storage cabinet provided by the embodiment of the invention, the storage rack body 138 can be automatically lifted by using the storage rack, so that the user experience is improved, and the product competitiveness is enhanced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims (13)

1. A shelf, comprising:

lifting the storage plate assembly;

the driving assembly comprises a driving piece and a transmission shaft, and the driving piece is in transmission connection with the transmission shaft;

the transmission assembly comprises a disc body and a flexible cable, the disc body is connected with the transmission shaft, an accommodating cavity and an arc-shaped groove are formed in the disc body, a first port of the arc-shaped groove is communicated with the accommodating cavity, and a second port of the arc-shaped groove is communicated with the outside of the disc body; the first end of flexible cable passes the arc wall is fixed in hold the intracavity, the second end of flexible cable is suitable for around locating behind the installation department of disk body with correspond the lift storage plate subassembly is connected.

2. The shelf according to claim 1, wherein the tray body is provided with first through holes in a thickness direction, the first through holes communicate with the receiving cavities, and the transmission shafts are inserted into the corresponding first through holes.

3. The shelf of claim 1, wherein the drive shaft is provided with a retaining member and a locking member, the retaining member abutting against a corresponding first side of the tray body, and the locking member abutting against a corresponding second side of the tray body.

4. The shelf of claim 3, wherein the end of the transmission shaft is provided with a second through hole, the locking member is inserted into the second through hole, and the limiting member comprises a limiting step arranged on the transmission shaft.

5. A shelf according to any of claims 1 to 4, characterised in that the end of the drive shaft is provided with an axially extending catch, and in that the receiving cavity is provided with a clamping member, and in that the first end of the flexible cable is connected to the corresponding clamping member.

6. The shelf according to any of claims 1 to 4, wherein the tray comprises a first tray and a second tray which are detachably connected, the second tray is arranged on a first side of the first tray, and the accommodating cavity and the arc-shaped groove are formed on a side of the second tray facing the first tray;

the mounting portion comprises a groove, the groove is formed at the joint of the outer peripheral face of the first tray body and the outer peripheral face of the second tray body, or the groove is formed in the outer peripheral face of the second tray body.

7. A shelf according to any of claims 1 to 4, wherein the drive assembly further comprises a housing and a drive member, one end of the drive shaft being in rotatable engagement with the housing and the other end of the drive shaft being in rotatable engagement with the housing of an adjacent drive assembly;

the transmission part is arranged in the shell and comprises a driving gear and a driven gear, the driving gear is connected with a rotating shaft of the driving piece, the driven gear is connected with one end of the transmission shaft, and the driving gear is meshed with the driven gear.

8. A shelf according to any of claims 1 to 4, wherein there are at least two drive assemblies, two adjacent drive shafts being parallel, and the axes of rotation of the drive members being parallel or perpendicular to the drive shafts.

9. The shelf according to any of claims 1 to 4, wherein the lifting shelf board assembly comprises a shelf body and a guide member, the guide member comprises a linear guide and a slider, the slider is slidably engaged with the corresponding linear guide and connected with the second end of the corresponding flexible cable, and the shelf body is connected with the slider.

10. The shelf of claim 9, wherein the guide member further comprises a connecting piece by which the slider is connected to the shelf body and the corresponding second end of the flexible cable, respectively.

11. The shelf of claim 10, wherein the connecting tab is removably connected to the second end of the corresponding wire.

12. A shelf according to claim 11, wherein the connecting piece is provided with a hook which hooks with the second end of the respective flexible cable.

13. A storage cabinet comprising a cabinet body and the shelf of any one of claims 1 to 12, wherein the shelf is disposed in the cabinet body.

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