Ceiling-mounted storage rack

Abstract

The invention discloses a ceiling storage rack, which comprises a first wire group and a second wire group. The first wire group comprises a first winding wire and a second winding wire, and the first winding wire and the second winding wire are connected with a first connecting point and a second connecting point of a first winding part respectively, and the first connecting point and the second connecting point are located at two ends of the first winding part respectively, so as to make the first winding wire and the second winding wire wind to the center of the first winding part simultaneously or release from the center of the first winding part to the two ends. The second wire group comprises a third winding wire and a fourth winding wire, and the third winding wire and the fourth winding wire are connected with a third connecting point and a fourth connecting point of a second winding part respectively, and the third connecting point and the fourth connecting point are located at two ends of the second winding part respectively, so as to make the third winding wire and the fourth winding wire wind to the center of the second winding part simultaneously or release from the center of the second winding part to the two ends. The ceiling storage rack can avoid the falling of the storage platform, has good safety, and can avoid the dislocation winding of the double winding wires.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of storage racks for garages, in particular to a ceiling-mounted storage rack. BACKGROUND

[0002] Storage racks are used to place or store articles and are widely used in ordinary families or office spaces, storage rooms, garages, etc. There are many types of storage racks for garages in the prior art, such as ceiling-mounted storage racks and wall-mounted storage racks. Wall-mounted storage racks are generally installed on walls and generally include a connecting rack connected to the wall and a storage platform fixedly connected to the connecting rack, on which people place articles. The height of the storage platform of the wall-mounted storage rack of this structure cannot be adjusted after installation, which brings many inconveniences to the placement or storage of articles and cannot make rational use of indoor space.

[0003] Currently, there are also some ceiling-mounted garage racks with adjustable height and installed on the ceiling, such as the prior application of the present applicant. The prior application has the authorization publication number CN213154855U and the name of garage ceiling-mounted storage rack. The disclosed structure includes a fixing member connected to the ceiling, a storage platform located below the fixing member, and a rotating shaft rotatably connected to one side of the fixing member, with two winding parts provided on both sides of the rotating shaft. The garage ceiling-mounted storage rack further includes two groups of cables, each group of cables being wound on the two winding parts, and each group of cables having a single cable. The winding part rotates while driving the single cable to wind, and at the same time, a section of the single cable is always pressed against another section of the cable on the winding part in the axial direction of the winding part to wind regularly side by side, thereby causing the storage platform to rise. In order to improve the load capacity of the storage platform, some other ceiling-mounted storage racks of the related technology replace the single cable of each group of cables with double side-by-side cables to increase the load capacity of the storage platform.

[0004] The garage ceiling-mounted storage rack of the related technology has the following disadvantages in actual use: the ceiling-mounted storage rack with a single cable in each group of cables winding has poor safety because if the single cable in each group of cables breaks during overloading winding on the winding part or in the case of long-term use and aging of the cable, the storage platform will fall. The ceiling-mounted storage rack with two double side-by-side cables in each group of cables winding is prone to defects such as knotting and cross-positioning of the double side-by-side cables on the winding part due to uneven stress, installation errors, etc., causing the storage platform to tilt. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the defects of the above related technology and provide a ceiling-mounted storage rack that can avoid the falling of the storage platform, has good safety, and can avoid the mispositioning of double winding.

[0006] The technical solution of the present application is to provide a ceiling storage rack with the following structure

[0007] A rotating shaft rotatably connected to one side of the ceiling fixing assembly and a driving mechanism for driving the rotating shaft to rotate, two sides of the rotating shaft are provided with two winding parts that rotate synchronously with the rotating shaft, i.e., a first winding part and a second winding part;

[0008] Two pulleys, i.e., a first pulley and a second pulley, are connected to the other side of the ceiling fixing assembly and are respectively arranged in correspondence with the two winding parts;

[0009] A storage platform arranged below the ceiling fixing assembly;

[0010] A first wire group including a first wire and a second wire, the first wire is connected to a first connecting point of the first winding part, and a first end of the first wire is connected to the storage platform, and a second end of the first wire is connected to the storage platform after passing through the first pulley; the second wire is connected to a second connecting point of the first winding part, and a first end of the second wire is connected to the storage platform, and a second end of the second wire is connected to the storage platform after passing through the first pulley;

[0011] The first connecting point and the second connecting point are respectively located at two ends of the first winding part, for winding the first wire and the second wire to the center of the first winding part or releasing them from the center of the first winding part to the two ends;

[0012] A second wire group including a third wire and a fourth wire, the third wire is connected to a third connecting point of the second winding part, and a first end of the third wire is connected to the storage platform, and a second end of the third wire is connected to the storage platform after passing through the second pulley; the fourth wire is connected to a fourth connecting point of the second winding part, and a first end of the fourth wire is connected to the storage platform, and a second end of the fourth wire is connected to the storage platform after passing through the second pulley;

[0013] The third connecting point and the fourth connecting point are respectively located at two ends of the second winding part, for winding the third wire and the fourth wire to the center of the second winding part or releasing them from the center of the second winding part to the two ends.

[0014] In some embodiments, the first wire and the second wire of the first wire group and the third wire and the fourth wire of the second wire group all have a length difference, for one wire in each wire group to provide the load bearing of the storage platform.

[0015] In some embodiments, the length difference is set as D, and the value range of D is: 10mm≤D≤30mm.

[0016] In some embodiments, the length difference is 20mm.

[0017] In some embodiments, the two ends of the first winding part are symmetrically connected with a first fixing buckle and a second fixing buckle respectively, the first fixing buckle has a first receiving part, the first winding wire is pre-wound with at least one turn of a first winding segment on the first winding part in the winding direction, the first winding segment is received in the first receiving part, and the first receiving part forms the first connection point; the second fixing buckle has a second receiving part, the second winding wire is pre-wound with at least one turn of a second winding segment on the first winding part in the winding direction, the second winding segment is received in the second receiving part, and the second receiving part forms the second connection point; and,

[0018] the two ends of the second winding part are symmetrically connected with a third fixing buckle and a fourth fixing buckle respectively, the third fixing buckle has a third receiving part, the third winding wire is pre-wound with at least one turn of a third winding segment on the second winding part in the winding direction, the third winding segment is received in the third receiving part, and the third receiving part forms the third connection point; the fourth fixing buckle has a fourth receiving part, the fourth winding wire is pre-wound with at least one turn of a fourth winding segment on the second winding part in the winding direction, the fourth winding segment is received in the fourth receiving part, and the fourth receiving part forms the fourth connection point.

[0019] In some embodiments, the two ends of the first winding part are respectively provided with first positioning structures, and the inner walls of the first fixing buckle and the second fixing buckle are respectively provided with second positioning structures matched with the first positioning structures of the two ends of the first winding part, the matching of the first positioning structures and the second positioning structures is used to limit the circumferential rotation of the first fixing buckle and the second fixing buckle relative to the first winding part; the two ends of the second winding part are respectively provided with third positioning structures, and the inner walls of the third fixing buckle and the fourth fixing buckle are respectively provided with fourth positioning structures matched with the third positioning structures of the two ends of the second winding part, the matching of the third positioning structures and the fourth positioning structures is used to limit the circumferential rotation of the third fixing buckle and the fourth fixing buckle relative to the second winding part.

[0020] In some embodiments, the connection points of the first winding wire and the second winding wire with the side of the placement platform close to the rotating shaft are located at the middle positions of the first winding part; and the connection points of the third winding wire and the fourth winding wire with the side of the placement platform close to the rotating shaft are located at the middle positions of the second winding part.

[0021] In some embodiments, the first pulley is located on the vertical plane of the center of the connecting line of the first connection point and the second connection point of the first winding part, and the second pulley is located on the vertical plane of the center of the connecting line of the third connection point and the fourth connection point of the second winding part.

[0022] In some embodiments, the ceiling fixing assembly comprises two mounting racks connected with the ceiling respectively, and the two mounting racks are located on the side close to the rotating shaft respectively; each of the two mounting racks is provided with a slot, and the rotating shaft is connected with two insertion blocks at two ends, and the two insertion blocks are inserted into the slots of the two mounting racks respectively.

[0023] In some embodiments, the driving mechanism is a driving gear box connected with one end of the rotating shaft, the power output end of the driving gear box is in transmission connection with the rotating shaft, and the input end of the driving gear box is connected with a downwardly extending driving handle.

[0024] In summary, compared with the related art, the ceiling storage rack has the following advantages: each winding group of the ceiling storage rack comprises two wires, and when the rotating shaft drives the two winding parts to wind or release, the two wires of each winding group are wound or released on the corresponding winding parts; therefore, even if one wire breaks, the other wire can provide the load bearing of the storage platform, thereby avoiding the falling of the storage platform and improving the safety. In addition, the two wires are connected with two connection points of the winding part respectively, and the two connection points of the winding part are located at two ends of the winding part, that is, the two wires are arranged separately, and the connection positions of the two wires and the winding part have a space for winding the two wires simultaneously; when the rotating shaft drives the winding part to wind, the two wires of each wire group are regularly wound in parallel along the winding part in the axial direction, and the winding of the two wires does not interfere with each other, so that the defect of the double-wire winding of one winding part crossing or mispositioning can be effectively avoided, and the lifting of the storage platform is more stable and always keeps horizontal. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic view of a ceiling storage rack according to some embodiments of the present application.

[0026] Figure 2 is another angle structural schematic view of a ceiling storage rack according to some embodiments of the present application.

[0027] Figure 3 is a side structural schematic view of a ceiling storage rack according to some embodiments of the present application.

[0028] Figure 4 is a partial enlarged structural schematic view in Figure 1 .

[0029] Figure 5 is a structural schematic view of a second fixing buckle of a ceiling storage rack according to some embodiments of the present application.

[0030] BRIEF DESCRIPTION OF DRAWINGS

[0031] 1, rotating shaft, 100, first winding part, 101, second winding part, 102, plug, 2, first pulley, 200, second pulley, 3, storage platform, 4, ceiling fixing assembly, 400, mounting frame, 5, first wire group, 500, first winding wire, 501, second winding wire, 502, first winding section, 503, second winding section, 6, second wire group, 600, third winding wire, 601, fourth winding wire, 602, third winding section, 603, fourth winding section, 7, first fixing buckle, 700, second fixing buckle, 701, third fixing buckle, 702, fourth fixing buckle, 703, extension block, 704, second storage part, 705, second positioning structure, 8, first connecting point, 800, second connecting point, 801, third connecting point, 802, fourth connecting point, 9, driving mechanism, 900, driving handle. DETAILED DESCRIPTION

[0032] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0033] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0034] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0036] Reference Figures 1 to 5 shown;

[0037] The embodiment of the application discloses a ceiling storage rack which is generally installed on the ceiling of a warehouse, garage or storage room and is used for storing and containing articles; the structure of the ceiling storage rack comprises a rotating shaft 1, a driving mechanism 9 for driving the rotating shaft 1 to rotate, two pulleys and a storage platform 3; wherein the rotating shaft 1 is rotatably connected to one side of a ceiling fixing assembly 4, two winding parts, i.e. a first winding part 100 and a second winding part 101, are arranged on the two sides of the rotating shaft 1 and synchronously rotate with the rotating shaft 1; in the embodiment, the rotating shaft 1 comprises a first shaft located in the middle and a second shaft and a third shaft located at the two ends of the first shaft, the first shaft, the second shaft and the third shaft are coaxially arranged, the two ends of the first shaft can be arranged in the center holes of the second shaft and the third shaft and the positions of the two ends of the first shaft can be adjusted, so that the total length of the rotating shaft 1 can be adjusted, the outer surfaces of the second shaft and the third shaft form the first winding part 100 and the second winding part 101; two pulleys, i.e. a first pulley 2 and a second pulley 200, are connected to the other side of the ceiling fixing assembly 4, the two pulleys are arranged on the other side of the ceiling fixing assembly 4 and correspond to the two winding parts respectively; the storage platform 3 is arranged below the ceiling fixing assembly 4 and keeps a horizontal state and is used for placing articles; the storage platform 3 is generally a square net-shaped plate structure for reducing the weight, and four connecting holes for connecting four distributed wire groups are arranged at the four corners of the storage platform 3.

[0038] In the embodiment, in order to facilitate the installation of the ceiling storage rack, the ceiling fixing assembly 4 comprises two mounting racks 400 which are connected to the ceiling respectively and are located on the side close to the rotating shaft 1 respectively; the two mounting racks 400 are both provided with a slot, two plug blocks 102 are connected to the two ends of the rotating shaft 1, the two plug blocks 102 are correspondingly plugged into the slots of the two mounting racks 400 respectively, and the rotating shaft 1 can rotate circumferentially relative to the two plug blocks 102. When installing, the plug blocks 102 on the rotating shaft 1 are only plugged into the slots of the mounting racks 400 and then connected through fasteners, so that the operation is simple and the installation is convenient.

[0039] In the embodiment, as shown in Figure 1 and Figure 2As shown, the ceiling storage rack further comprises two wire groups: a first wire group 5 and a second wire group 6. The first wire group 5 comprises a first wire 500 and a second wire 501. The first wire 500 is connected with a first connecting point 8 of the first winding part 100, and a first end of the first wire 500 is connected with the storage platform 3 below the rotating shaft 1. A second end of the first wire 500 is connected with the storage platform 3 below the first pulley 2 after winding around the first pulley 2. The second wire 501 is connected with a second connecting point 800 of the first winding part 100, and a first end of the second wire 501 is connected with the storage platform 3 below the rotating shaft 1. A second end of the second wire 501 is connected with the storage platform 3 below the first pulley 2 after winding around the first pulley 2. The first connecting point 8 and the second connecting point 800 of the first winding part 100 are respectively located at two ends of the first winding part 100, so as to simultaneously wind the first wire 500 and the second wire 501 to the center of the first winding part 100 or release them from the center of the first winding part 100 to the two ends. The second wire group 6 comprises a third wire 600 and a fourth wire 601. The third wire 600 is connected with a third connecting point 801 of the second winding part 101, and a first end of the third wire 600 is connected with the storage platform 3 below the rotating shaft 1. A second end of the third wire 600 is connected with the storage platform 3 below the second pulley 200 after winding around the second pulley 200. The fourth wire 601 is connected with a fourth connecting point 802 of the second winding part 101, and a first end of the fourth wire 601 is connected with the storage platform 3 below the rotating shaft 1. A second end of the fourth wire 601 is connected with the storage platform 3 below the second pulley 200 after winding around the second pulley 200. The third connecting point 801 and the fourth connecting point 802 of the second winding part 101 are respectively located at two ends of the second winding part 101, so as to simultaneously wind the third wire 600 and the fourth wire 601 to the center of the second winding part 101 or release them from the center of the second winding part 101 to the two ends.

[0040] In the embodiment, the rotation of the rotating shaft 1 drives the two winding portions, i.e. the first winding portion 100 and the second winding portion 101, to rotate synchronously, the first winding 500 and the second winding 501 of the first wire group 5 are wound on the first winding portion 100 in opposite directions or released in opposite directions, and the third winding 600 and the fourth winding 601 of the second wire group 6 are wound on the second winding portion 101 in opposite directions or released in opposite directions; thus, in any one wire group, even if one winding is broken, the other winding can provide the load bearing of the storage platform 3, thereby avoiding the falling of the storage platform 3 and having good safety. In addition, the two windings are connected with two connection points of the winding portion respectively, and the two connection points of the winding portion are located at two ends of the winding portion respectively, i.e. the two windings are arranged separately, and the two windings have a space which can be wound simultaneously between the connection positions of the two windings and the winding portion; when the winding portion is wound by the rotation of the rotating shaft 1, one winding of each winding group is wound in parallel along the axial direction of the winding portion, and the other winding is also wound in parallel along the axial direction of the winding portion; or when the winding portion is released by the rotation of the rotating shaft 1, one winding of each winding group is released in parallel along the axial direction of the winding portion, and the other winding is also released in parallel along the axial direction of the winding portion, and the winding or releasing process of the two windings of each wire group does not interfere with each other, thus the defect of the crossing or mispositioning of the double windings on one winding portion can be effectively avoided, and the lifting of the storage platform 3 is more stable and always keeps in a horizontal state.

[0041] Referring again to Figure 1 As shown in the drawings, in some embodiments, the first winding 500 and the second winding 501 of the first wire group 5 and the third winding 600 and the fourth winding 601 of the second wire group 6 all have a length difference, and the length difference is arranged to make one winding in each winding group provide the load bearing of the storage platform 3. In this way, in each wire group, one winding provides the load of the storage platform 3, and the other winding is in a standby state; when the winding providing the load is broken, the other standby winding can provide the load of the storage platform 3 in time; thus, even if one winding of the ceiling storage rack is broken, the other winding can provide the load bearing of the storage platform 3, thereby effectively avoiding the falling of the storage platform 3 and having good safety.

[0042] It is understandable that, in the embodiment, in order to make the storage platform 3 in a horizontal state, the length of the first winding 500 of the first wire group 5 is equal to the length of the fourth winding 601 of the second wire group 6, and the length of the second winding 501 of the first wire group 5 is equal to the length of the third winding 600 of the second wire group 6; the first winding 500 and the second winding 501 have a length difference, and the third winding 600 and the fourth winding 601 have a length difference; further, in the embodiment, the length difference between the first winding 500 and the second winding 501 of the first wire group 5 and between the third winding 600 and the fourth winding 601 of the second wire group 6 is set to D, and the value range of D is: 10mm≤D≤30mm; in the embodiment, the optimal value of the length difference D is 20mm.

[0043] Taking the first wire group 5 as an example, the length of the first winding 500 of the first wire group 5 is greater than the length of the second winding 501, that is, the first winding 500 is 20mm longer than the second winding 501; or, the length of the first winding 500 from the first connecting point 8 to the first end of the first winding 500 is set to C1, and the length of the first winding 500 from the first connecting point 8 to the second end of the first winding 500 is set to C2; the length of the second winding 501 from the second connecting point 800 to the first end of the second winding 501 is set to C3, and the length of the second winding 501 from the second connecting point 800 to the second end of the second winding 501 is set to C4, that is, (C1+C2)-(C3+C4)=20mm; in this way, after the first wire group 5 is connected, the first winding 500 as a whole is in a slightly relaxed standby state, especially under the action of the self-weight of the storage platform 3, the first winding 500 will not be dislocated or cross-wound due to slight relaxation when winding or releasing. In addition, when the length difference is set to 10mm, under normal conditions, due to installation errors or winding thickness, etc., the first winding 500 is at a critical point of being stressed and unstressed, if the length difference is set to less than 10mm, then the first winding 500 is in a stressed state when actually winding or releasing; if the length difference is set to more than 30mm, then the first winding 500 is prone to relaxation swing when actually winding or releasing, causing cross-winding and dislocation.

[0044] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, in some embodiments, two ends of the first winding part 100 are symmetrically connected with a first fixing buckle 7 and a second fixing buckle 700 respectively, the first fixing buckle 7 has a first receiving part, the first winding wire 500 is pre-wound with at least one winding section 502 on the first winding part 100 in the winding direction, the winding section 502 is received in the first receiving part, and the first receiving part forms the first connection point 8; the second fixing buckle 700 has a second receiving part 704, the second winding wire 501 is pre-wound with at least one winding section 503 on the first winding part 100 in the winding direction, the winding section 503 is received in the second receiving part 704, and the second receiving part 704 forms the second connection point 800; and two ends of the second winding part 101 are symmetrically connected with a third fixing buckle 701 and a fourth fixing buckle 702 respectively, the third fixing buckle 701 has a third receiving part, the third winding wire 600 is pre-wound with at least one winding section 602 on the second winding part 101 in the winding direction, the winding section 602 is received in the third receiving part, and the third receiving part forms the third connection point 801; the fourth fixing buckle 702 has a fourth receiving part, the fourth winding wire 601 is pre-wound with at least one winding section 603 on the second winding part 101 in the winding direction, the winding section 603 is received in the fourth receiving part, and the fourth receiving part forms the fourth connection point 802. In this embodiment, the first fixing buckle 7 and the second fixing buckle 700 on the first winding part 100 not only connect the first winding wire 500 and the second winding wire 501 on the first winding part 100, but also make the first winding wire 500 and the second winding wire 501 form the pre-wound winding section on the first winding part 100 in the winding direction, and the third winding wire 600 and the fourth winding wire 601 form the pre-wound winding section on the second winding part 101 in the winding direction respectively, so that when the two winding parts are wound or released, each winding wire can be wound or released in the pre-wound direction, avoiding winding disorder and mutual entanglement.

[0045] In this embodiment, the receiving part of the four fixing buckles refers to that one end of the fixing buckle is provided with an extension block 703 extending outward in the circumferential direction, the inner wall of the extension block 703 is arc-shaped and matched with the surface of the winding part, and the extension block 703 and the winding part form a receiving space, when the winding section is received in the space between the extension block 703 and the winding part, the extension block 703 presses the winding section.

[0046] In some embodiments, the first winding part 100 is provided with a first positioning structure at each end, and the inner wall of the first fixing buckle 7 and the second fixing buckle 700 is respectively provided with a second positioning structure 705 matched with the first positioning structure at each end of the first winding part 100, and the matched cooperation of the first positioning structure and the second positioning structure 705 is used to limit the circumferential rotation of the first fixing buckle 7 and the second fixing buckle 700 relative to the first winding part 100; the second winding part 101 is provided with a third positioning structure at each end, and the inner wall of the third fixing buckle 701 and the fourth fixing buckle 702 is respectively provided with a fourth positioning structure matched with the third positioning structure at each end of the second winding part 101, and the matched cooperation of the third positioning structure and the fourth positioning structure is used to limit the circumferential rotation of the third fixing buckle 701 and the fourth fixing buckle 702 relative to the second winding part 101. Specifically, in the present embodiment, as shown in Figure 4 and Figure 5 the first positioning structure is a jack provided at the end of the first winding part 100, and the second positioning structure 705 is a positioning block provided on the inner wall of the first fixing buckle 7 and the second fixing buckle 700 matched with the jack. Similarly, the third positioning structure is a jack provided at the end of the second winding part 101, and the fourth positioning structure is a positioning block provided on the inner wall of the third fixing buckle 701 and the fourth fixing buckle 702 matched with the jack. In the present embodiment, the first fixing buckle 7 and the second fixing buckle 700 and the third fixing buckle 701 and the fourth fixing buckle 702 are fixedly connected with the winding part by screws.

[0047] In some embodiments, as shown in Figure 3 the connection points of the first winding 500 and the second winding 501 on the side of the storage platform 3 close to the rotating shaft 1 are located at the middle position of the first winding part 100; and the connection points of the third winding 600 and the fourth winding 601 on the side of the storage platform 3 close to the rotating shaft 1 are located at the middle position of the second winding part 101. Further, the first pulley 2 is located on the vertical plane of the center of the connecting line of the first connecting point 8 and the second connecting point 800 of the first winding part 100, and the second pulley 200 is located on the vertical plane of the center of the connecting line of the third connecting point 801 and the fourth connecting point 802 of the second winding part 101. In this way, the two winding parts are stable when winding or releasing, and the storage platform 3 does not shake, and the transverse movement of the storage platform 3 is less affected by the stroke of the winding, and the stability is good.

[0048] In some embodiments, as shown in Figure 1As shown, the driving mechanism 9 is a driving gear box connected to one end of the rotating shaft 1, the power output end of the driving gear box is drivingly connected with the rotating shaft 1, and the input end of the driving gear box is connected with a driving handle 900 extending downward. The driving gear box is provided with a gear coaxially connected with the rotating shaft 1, and the driving gear box is rotatably connected with a worm gear drivingly connected with the gear, the lower end of the worm gear is connected with the driving handle 900, and rotating the driving handle 900 can drive the rotating shaft 1 to rotate, so as to realize winding or releasing of the two winding parts.

[0049] In other embodiments, the driving mechanism 9 can also be a driving motor, the driving motor drives the rotating shaft 1 to rotate through the driving gear box, and a hand controller is used to control the driving motor to act, so as to drive the two winding parts of the rotating shaft 1 to wind or release, and realize the height adjustment of the object placing platform 3.

[0050] In the description of the embodiments of the present application, it should be noted that in the description of the present application, the terms indicating the direction or position relationship are based on the direction or position relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0051] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in this embodiment", "specific examples", or "some examples" means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0052] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection of the claims.

Claims

1. A ceiling storage rack characterized by: The utility model relates to a ceiling storage device, which comprises a ceiling fixed component, a rotating shaft rotatably connected to one side of the ceiling fixed component and a driving mechanism for driving the rotating shaft to rotate, two winding parts, i.e., a first winding part and a second winding part, on both sides of the rotating shaft and synchronously rotating with the rotating shaft, two pulleys, i.e., a first pulley and a second pulley, on the other side of the ceiling fixed component and corresponding to the two winding parts, a storage platform below the ceiling fixed component, a first wire group comprising a first winding wire and a second winding wire, the first winding wire being connected to a first connecting point of the first winding part, the first end of the first winding wire being connected to the storage platform, and the second end of the first winding wire being connected to the storage platform after passing through the first pulley, the second winding wire being connected to a second connecting point of the first winding part, the first end of the second winding wire being connected to the storage platform, and the second end of the second winding wire being connected to the storage platform after passing through the first pulley, the first connecting point and the second connecting point being respectively located at the two ends of the first winding part for simultaneously winding the first winding wire and the second winding wire to the center of the first winding part or releasing them from the center of the first winding part to the two ends, a second wire group comprising a third winding wire and a fourth winding wire, the third winding wire being connected to a third connecting point of the second winding part, the first end of the third winding wire being connected to the storage platform, and the second end of the third winding wire being connected to the storage platform after passing through the second pulley, the fourth winding wire being connected to a fourth connecting point of the second winding part, the first end of the fourth winding wire being connected to the storage platform, and the second end of the fourth winding wire being connected to the storage platform after passing through the second pulley, the third connecting point and the fourth connecting point being respectively located at the two ends of the second winding part for simultaneously winding the third winding wire and the fourth winding wire to the center of the second winding part or releasing them from the center of the second winding part to the two ends, the length difference between the first winding wire and the second winding wire of the first wire group and the length difference between the third winding wire and the fourth winding wire of the second wire group for providing one winding wire in each of the two wire groups to support the storage platform, the length difference being set as D, and the value range of D being 10 mm≤D≤30 mm, and the length difference being 20 mm, the two ends of the first winding part being respectively and symmetrically connected to a first fixed buckle and a second fixed buckle, the first fixed buckle having a first receiving part, the first winding wire being pre-wound with at least one turn of a first winding section on the first winding part in the winding direction, the first winding section being received in the first receiving part, and the first receiving part forming the first connecting point, the second fixed buckle having a second receiving part, the second winding wire being pre-wound with at least one turn of a second winding section on the first winding part in the winding direction, the second winding section being received in the second receiving part, and the second receiving part forming the second connecting point, and the first winding section and the second winding section being respectively connected to the first fixed buckle and the second fixed buckle. ​ ​ ​ ​ ​ ​ ​ ​ 2. A ceiling storage rack according to claim 1, wherein: ​ 3. A ceiling storage rack according to claim 2, wherein: ​ 4. A ceiling storage rack according to claim 1, wherein: ​ Two ends of the second winding part are symmetrically connected with a third fixed buckle and a fourth fixed buckle respectively, the third fixed buckle has a third receiving part, the third winding has at least one third winding section pre-wound on the second winding part in the winding direction, the third winding section is received in the third receiving part, and the third receiving part forms the third connection point; the fourth fixed buckle has a fourth receiving part, the fourth winding has at least one fourth winding section pre-wound on the second winding part in the winding direction, the fourth winding section is received in the fourth receiving part, and the fourth receiving part forms the fourth connection point.

5. A ceiling storage rack according to claim 4, wherein: Two ends of the first winding part are respectively provided with first positioning structures, and inner walls of the first fixed buckle and the second fixed buckle are respectively provided with second positioning structures matched with the first positioning structures of the two ends of the first winding part, the matched first positioning structures and second positioning structures are used for limiting the circumferential rotation of the first fixed buckle and the second fixed buckle relative to the first winding part; two ends of the second winding part are respectively provided with third positioning structures, and inner walls of the third fixed buckle and the fourth fixed buckle are respectively provided with fourth positioning structures matched with the third positioning structures of the two ends of the second winding part, the matched third positioning structures and fourth positioning structures are used for limiting the circumferential rotation of the third fixed buckle and the fourth fixed buckle relative to the second winding part.

6. A ceiling storage rack as defined in claim 1, wherein: The connection points of the first winding and the second winding with the placement platform near the shaft side are located at the middle positions of the first winding part, and the connection points of the third winding and the fourth winding with the placement platform near the shaft side are located at the middle positions of the second winding part.

7. A ceiling storage rack according to claim 6, wherein: The first pulley is located on a vertical plane of the center of the connecting line of the first connection point and the second connection point of the first winding part, and the second pulley is located on a vertical plane of the center of the connecting line of the third connection point and the fourth connection point of the second winding part.

8. A ceiling storage rack according to claim 1, wherein: The ceiling fixing assembly comprises two mounting racks connected with the ceiling respectively, and the two mounting racks are located on the side near the shaft respectively; the two mounting racks are respectively provided with a slot, and the two ends of the shaft are connected with two insertion blocks, and the two insertion blocks are respectively inserted into the slots of the two mounting racks.

9. A ceiling storage rack as defined in claim 1, wherein: The driving mechanism is a driving gear box connected to one end of the shaft, the power output end of the driving gear box is in transmission connection with the shaft, and the input end of the driving gear box is connected with a downwardly extending driving handle.

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